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Experience Level
Senior
Qualifications
Key Qualifications:Minimum of 5 years of experience in software engineering. A pragmatic approach to problem-solving. Exceptional planning and prioritization abilities. Commitment to continuous improvement, identifying process efficiencies and quality enhancements. Experience mentoring junior team members. Ability to communicate product insights effectively with stakeholders and challenge decisions when necessary. Proven track record of addressing complex technical and architectural challenges with clear, iterative solutions. Experience working in cross-functional teams and contributing to technical discussions. Self-motivated and well-organized, with strong time management skills. Comfortable with both strongly typed and dynamically typed languages; we value your overall programming skills and approach to problem-solving, regardless of your primary language.
About the job
Join Our Team!
At Plum, we are revolutionizing how people save and invest. Our mission is to empower individuals to grow their wealth for life, whether they are saving for their first home or enjoying retirement. Since our inception in 2016, over 2 million users across 10 European countries have saved more than £2 billion with our innovative automation and AI technology. We've been recognized with awards from esteemed organizations like Deloitte and Finder, reflecting our commitment to excellence.
We are a passionate team of over 200 Plumsters working collaboratively across Europe, and we are eager to welcome more talented individuals to help us achieve our vision.
Your Role
As a Senior Backend Engineer at Plum, you will play a crucial role in shaping our technology and product offerings. We seek engineers who are not only technically adept but also understand the importance of delivering outstanding products to our customers.
About Plum
Plum is a pioneering financial technology company dedicated to helping individuals optimize their savings and investments. Our smart app combines automation and artificial intelligence to create a seamless experience for users, enabling them to save effortlessly and plan for their financial future. Join us and be part of a transformative journey in personal finance.
Join Our Team!At Plum, we are revolutionizing how people save and invest. Our mission is to empower individuals to grow their wealth for life, whether they are saving for their first home or enjoying retirement. Since our inception in 2016, over 2 million users across 10 European countries have saved more than £2 billion with our innovative automation and AI…
About RemoteAt Remote, we are revolutionizing how organizations manage global employment with compliance and ease. Our platform empowers businesses of all sizes to recruit, compensate, and oversee international teams seamlessly. Driven by our core values and a forward-thinking work culture, our team collaborates on ambitious challenges asynchronously from across the globe. Our employees, known as Remoters, operate from six continents, with our positions being fully remote.With innovation at the core of our mission, we have integrated automation and AI capabilities into the requirements for every role.We encourage every member of the Remote team to contribute their unique talents, experiences, and cultures to help us build a top-tier HR platform. If you are an energetic, curious, motivated, and ambitious individual, join us and shape the future of work! Apply now!The PositionYou will become a vital part of a team of engineers specializing in Frontend, Backend, SRE, and QA, organized into cross-functional development teams focused on specific verticals.This role is available in multiple teams, and we will determine the exact team you will join during the interview process based on business needs and your preferences.Regardless of the team, your work will involve developing tools, APIs, and integrations for one of our products.Our backend utilizes Elixir and Phoenix, with a PostgreSQL database, while our frontend employs React and Next.js. We use GitLab for version control and CI/CD solutions. Our applications are hosted on AWS, and we leverage continuous integration for deployments, executing multiple deployments daily. For further insight, feel free to explore our Engineering Rulebook.What This Job Offers YouEngaging and meaningful challenges that will empower individuals and organizations to thrive in any country worldwide.The chance to make a substantial impact on our business during this exciting phase of growth, where your contributions will significantly influence our trajectory.A highly collaborative and inclusive work environment that values diverse perspectives and experiences.
Join our dynamic team at Capco as a Senior Backend Engineer specializing in Java. In this role, you will leverage your expertise to design and implement robust backend systems, ensuring high performance and responsiveness to requests from the front end. You will work collaboratively with cross-functional teams to deliver innovative solutions that meet our clients' needs.
At Spotify, we are on a mission to revolutionize the way creators and listeners engage with long-form storytelling through our Audiobooks initiative. Our objective is to create a seamless ecosystem for audiobook content, facilitating smooth transfers from publishers to listeners. This includes building the robust systems necessary for content ingestion, processing, and efficient delivery across our rapidly expanding global catalog. We are seeking a talented Senior Backend Engineer to join a dynamic and impactful team within the Audiobooks Pipeline sector. This team's primary responsibility is to design and scale systems that handle the ingestion, processing, and transformation of audiobook and eBook content, metadata, and royalties, ensuring that listeners receive the right content with utmost efficiency and quality. While this role encompasses full-stack responsibilities, the emphasis will be on backend and data-centric development. We are looking for an individual who thrives in uncertain environments, is passionate about learning, and is excited to tackle complex challenges across the tech stack.
About RemoteAt Remote, we are addressing one of the most significant challenges faced by modern organizations: managing global employment in a compliant and seamless manner. We empower businesses of all sizes to recruit, compensate, and oversee international teams effortlessly. Our commitment to innovation and a forward-thinking work culture drives us to tackle ambitious problems collaboratively from across the globe. With team members working from six continents (Antarctica is the only one left!), all roles are fully remote.Innovation is one of our core values, and as such, we integrate Automation and AI capabilities into every role.We invite each member of the Remote team to contribute their unique talents, experiences, and cultural insights to help us create a premier HR platform. If you are energetic, curious, motivated, and ambitious, join our team and help define the future of work!The PositionYou will be part of a diverse team of engineers specializing in Frontend, Backend, SRE, and QA, organized into cross-functional development teams focused on specific verticals.This role is available across multiple teams, and we will determine the exact team during the interview process based on business needs and your preferences.Regardless of the team, you will be engaged in developing tools, APIs, and integrations for our products.Our backend technology stack includes Elixir and Phoenix, supported by a Postgres database. The frontend utilizes React and Next.js. We leverage GitLab for version control and CI/CD, hosting our applications on AWS. Our deployment process is streamlined, allowing us to deploy multiple times a day. For more information, refer to our Engineering Rulebook.
Our Mission At Bud, we are dedicated to revolutionizing financial data products that empower millions to take control of their finances. Our innovative solutions are utilized by some of the world's leading institutions.Your Mission Join our dynamic team and play a pivotal role in crafting high-performance, scalable, and reliable applications using Go.A Glimpse into Backend Development at Bud As a Senior Backend Engineer, you will be instrumental in developing and maintaining our robust backend systems that underpin our suite of financial products and services. Collaborate closely with fellow engineers to design, build, and rigorously test our systems.Our Modern Tech Stack Includes:- Go for backend and data engineering projects- Diverse data stores such as MySQL, Cassandra, Redis, and BigQuery- RabbitMQ for queuing- Internal service communication via HTTP and gRPC- A comprehensive observability stack featuring GrafanaLab, Loki, Tempo, Looker, and more- Google Cloud Platform for cloud environments- Familiarity with Docker and/or Kubernetes is an advantage!We foster a collaborative environment that values every team member's contributions and insights.Key ResponsibilitiesDeliver technical solutions both independently and collaborativelyGuide and partake in discussions and initiatives with other backend developers; share knowledge and promote technical best practicesBuild strong relationships within the team and the broader organization, mentoring and providing technical guidanceStay informed about emerging tools and practices, consistently enhancing your technical expertise and domain knowledgeCommunicate effectively in both technical and non-technical contextsMake informed trade-offs in project scoping and delivery with a focus on maintainability, scalability, and timely delivery in collaboration with the team and stakeholdersWork closely with cross-functional teams to align on implementation strategies and solutionsInclusivity at BudWe are committed to creating a diverse team where everyone feels safe to be their authentic selves. We believe that diverse backgrounds, experiences, and perspectives will help us grow as a company and a team. We especially encourage applications from individuals of different races, genders, and identities.
Join Monzo as a Senior Staff Backend Engineer and play a pivotal role in building our innovative banking platform. You will collaborate with cross-functional teams, driving technical excellence and contributing to our mission of making money work for everyone. Utilize your expertise in backend technologies to enhance our systems, implementing scalable solutions that improve our customer experience.
Full-time|£150K/yr - £150K/yr|On-site|London, England, United Kingdom
TL;DRDeducta is a rapidly expanding startup catering to some of the globe's most prestigious enterprises. With strong funding, we are committed to addressing today's most significant business challenges.We are seeking a Senior Backend Engineer who will play a pivotal role in the design, development, and upkeep of our core systems.In this role, your key responsibilities will include:Creating and sustaining high-performance, low-latency APIs for enterprise-level data processing systems.Delivering exceptional code promptly. Location: London, UK. Our office is situated near London Bridge, and we prioritize in-person collaboration. Compensation: The total compensation for this position begins at £150,000. Visa Sponsorship: We are willing to sponsor a visa for the ideal candidate to join our team. What is Deducta?Deducta is a leading data intelligence platform for global corporations. We provide unparalleled clarity into mission-critical data for some of the world's largest and most intricate organizations, starting with spend data.We are at the forefront of significant business transformations. Our partners leverage Deducta to achieve impactful results at remarkable speeds.What is the Role?We process vast datasets containing essential enterprise information from diverse sources and formats, structuring it effectively. Our system utilizes cutting-edge LLMs to tackle this challenge with unmatched precision and at previously unimaginable scales.As a Senior Backend Engineer, you will be responsible for designing, developing, and maintaining the foundational architecture of our platform as it expands.Your contributions will include:Designing, constructing, and maintaining data ingestion and processing engines capable of supporting mission-critical operations for the largest firms globally.Developing and sustaining ultra-fast, high-volume, and well-documented APIs to facilitate these systems.Driving business growth through a blend of creativity and experimentation to enhance our product, alongside proactive problem-solving for our clients.Working closely with both technical and non-technical team members to comprehend our customers' challenges and create solutions that address them.Success in this role means:Leading development initiatives from concept to production.Consistently driving enhancements and new features. Who will be the right fit?We are in search of a technically outstanding engineer who excels in a role that offers autonomy and ownership.You might be a great fit if you possess…Strong experience in object-oriented programming within cloud environments (e.g. AWS, GCP, or Azure), with .NET experience considered a plus.Familiarity with SOLID principles, domain-driven design, and Clean Architecture methodologies.A passion for...
About UsAt Heidi, we are pioneering an AI Care Partner that assists healthcare professionals at every stage, from documentation to patient care delivery. Our mission is to enhance healthcare capacity while maintaining a deeply human touch. In just 18 months, we have reclaimed over 18 million hours for clinicians and facilitated more than 73 million patient visits. Currently, Heidi powers over two million patient interactions weekly across 116 countries in more than 110 languages.Founded by healthcare professionals, Heidi unites clinicians, engineers, designers, scientists, creatives, and mathematicians, all dedicated to enhancing the human connection central to healthcare. With nearly $100 million in funding, we are expanding our reach in the USA, UK, Canada, and Europe, collaborating with major health systems, including the NHS and Beth Israel Lahey Health, among others.We are agile in our approach, focused on what works, and poised to shape the future of healthcare. Are you ready to take on this challenge?Your RoleAs a Senior Backend Engineer, you will be instrumental in executing backend features, leveraging your deep technical understanding to meet user requirements. You will thrive in a hyper-growth startup environment, with substantial experience in building SaaS products.With a solid grasp of the challenges engineers face, you will prioritize key features and capabilities through effective design principles. Your ability to bridge technical specifics with business needs will enable you to transform high-level concepts into practical solutions.Embracing challenging scenarios, you will appreciate the dynamics of a flexible, flat-structured work environment and quickly navigate the complexities of developing AI healthcare products on an international scale. We believe that exceptional talent can emerge from diverse backgrounds; if you have a proven history of delivering technically demanding products and features, we want to hear from you.
Join the Future of Identity with Socure!At Socure, we are revolutionizing the identity verification landscape, establishing a trust infrastructure that safeguards the digital economy. Our mission is to verify 100% of legitimate identities in real-time, proactively preventing fraud before it occurs. Our work addresses complex challenges, impacting businesses, governments, and millions of individuals globally every day.We seek passionate individuals ready to take on significant responsibilities. If you thrive in a fast-paced environment, possess critical thinking skills, and approach challenges with an ownership mindset, you’ll fit right in. If predictability is what you seek, this might not be the role for you. However, if you're eager to help shape the future of identity with a team that holds itself to the highest standards, keep reading.As a Senior Backend Engineer, you will be a critical player in our product-focused teams, designing and building scalable systems that have a meaningful impact. You will engage directly with customers to enhance satisfaction and drive continuous improvements across our product offerings.In this role, you will lead the design and implementation of distributed systems, take ownership of essential non-functional requirements such as scalability, security, and reliability, and mentor fellow engineers while remaining actively involved in development. Your expertise will be vital throughout the entire software development lifecycle, from architecture and implementation to testing, documentation, and production support.This position is ideal for backend engineers who are passionate about building robust systems using Golang, excel in a product-driven environment, and want to influence technology at scale.Key Responsibilities:Design, develop, test, and debug scalable backend services within distributed systems.Deliver on key non-functional requirements, including scalability, availability, performance, and security.Develop and maintain comprehensive tests (unit, integration, functional) to ensure high coverage and reliability.Contribute to and produce technical documentation for knowledge sharing and collaboration.Break down complex projects into actionable tasks and guide teams in their execution.
Join Aircall, a revolutionary unicorn in the AI-powered customer communications sphere, trusted by over 22,000 companies globally to enhance revenue, expedite issue resolution, and empower customer-facing teams. We are transforming the landscape of customer communications by integrating voice, SMS, WhatsApp, and AI into a unified workspace.Our growth is driven by a straightforward principle: to enable teams to work smarter, not harder. Our AI Voice Agent automates routine calls, while AI Assist simplifies post-call tasks, and AI Assist Pro provides real-time insights, allowing individuals to excel in their roles. This synergy results in increased revenue, quicker resolutions, and scalable teams.Headquartered in Paris, with a solid presence in North America anchored in Seattle, Aircall also has teams in vibrant cities such as Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and we are rapidly scaling, supported by top-tier investors and continuous AI advancements across multiple product lines.At Aircall, you'll become part of a dynamic company. We are ambitious, focused on product development, and execution-oriented, with a clear impact, swift decision-making, and genuine growth opportunities.Our Work Culture at Aircall: We prioritize customer satisfaction, leverage data for decision-making, and are dedicated to delivering significant outcomes. We cherish ownership, continuous improvement, and thoughtful agility. If you thrive in a collaborative, fast-paced environment where trust and impact are essential, you will thrive here.Position Overview:As a Senior Backend Software Engineer, you will take charge of designing, developing, deploying, and maintaining essential features that enhance customer value on our voice platform.You will be expected to advocate for best practices, mentor team members, and contribute to the broader Engineering community as part of your daily responsibilities.Quality, excellence, and agility are at the core of our delivery process, and you will play a pivotal role in elevating these standards.Utilizing a diverse array of backend technologies tailored to specific needs, all hosted on AWS, we create resilient services that deliver added value on top of voice while fully integrating with our customers' critical business tools (CRM, Helpdesk, E-Commerce, etc.).
Join Spotify as a Senior Backend Engineer - Subscriptions and play a pivotal role in enhancing our subscription services.In this position, you will collaborate with cross-functional teams to design and implement scalable backend systems, ensuring seamless integration and exceptional user experiences.
About RemoteAt Remote, we are tackling one of the most significant challenges faced by modern organizations: ensuring compliant global employment. Our platform empowers businesses of all sizes to easily hire, pay, and manage international teams. With a culture rooted in our core values and a forward-thinking approach, our diverse team works diligently on innovative solutions asynchronously from around the globe. Remote team members are spread across six continents, and all positions are fully remote.Innovation is at the heart of what we do, and we integrate Automation and AI into every role's requirements.We encourage every member of our team to contribute their unique skills, experiences, and cultural insights to help us create a world-class HR platform. If you are enthusiastic, inquisitive, driven, and ambitious, we invite you to join us in defining the future of work. Apply now!The PositionYou will be a vital part of our engineering team, collaborating with experts from Frontend, Backend, SRE, and QA. Our teams are organized into cross-functional units, focusing on specific verticals.This opportunity spans multiple teams, and the exact team assignment will be determined during the interview process based on your preferences and organizational needs.Regardless of which team you join, you will contribute to developing tools, APIs, and integrations for one of our products.Our backend technology stack includes Elixir and Phoenix, supported by a Postgres database. The frontend utilizes React and Next.js, with GitLab serving as our version control, issue tracking, and CI/CD solution. Our applications are hosted on AWS, and we deploy multiple times a day using CI.What We OfferEngaging and significant challenges — your solutions will enable individuals and businesses to operate globally.The chance to make a substantial impact — as an early-stage company, your contributions will directly influence our growth and trajectory.
Wheely provides premium transportation services in major cities across Europe, the US, and the Middle East. The company supports over 100,000 active riders and 1,200 corporate clients, combining advanced technology with professional chauffeuring. With $43M in funding and annual revenue exceeding $100M, Wheely continues to grow, recently expanding into New York City. Role overview The Senior Backend Engineer, Platform, joins a team responsible for building and maintaining the foundational systems that power Wheely’s engineering organization. This group develops shared tools, manages significant migrations (such as moving away from a Ruby monolith), and works to strengthen the company’s infrastructure. The team emphasizes lightweight frameworks and clean, maintainable code, relying on practices like Test-Driven Development (TDD), Domain-Driven Design (DDD), and continuous integration and delivery. Technology stack Go (Golang) as the primary language Ruby monolith (legacy, currently being migrated away from) PostgreSQL and MongoDB for databases RabbitMQ and Redis for messaging and caching gRPC and Thrift for APIs and protocols AWS, Kubernetes, and Terraform for cloud and infrastructure Interview process Initial recruiter screening Algorithm assessments Live coding exercises Systems design discussions For senior candidates, a structured review of previous experience and achievements Wheely seeks engineers who care about their craft and want to contribute to the platform as the company continues to grow.
Role Overview nuitee is looking for a Senior Backend Engineer with strong Python experience to help build and maintain backend systems. This position focuses on designing, implementing, and improving backend services that support client needs across the EMEA region. What You Will Do Work closely with cross-functional teams to design backend architecture and solutions Write, test, and maintain scalable Python services Contribute to architectural decisions and technical direction Improve system performance, reliability, and security Support the ongoing enhancement of backend applications Who We’re Looking For Extensive experience with Python in a backend engineering role Comfort working with cross-functional teams Strong interest in building reliable, secure, and scalable systems Ability to contribute to architectural discussions and decisions Location This role is open to candidates based in EMEA.
Your Mission As a Senior Backend Engineer within our Commercial Technology team, you will play a pivotal role in shaping On's digital ecosystem. You'll be responsible for designing, developing, and scaling the essential services that drive our global e-commerce platform, B2B partner portals, and retail experiences. Your contributions will significantly influence how we present product information, facilitate the checkout process, and enhance the end-to-end e-commerce user experience for our customers and partners, ensuring a seamless and premium interaction that bolsters our commercial success. Your Responsibilities Design, develop, and maintain robust and scalable backend services utilizing our modern technology stack, focusing primarily on NestJS, TypeScript, and GraphQL. Take ownership of key components within our Commercial Technology team, ensuring performance, reliability, and alignment with the needs of diverse client applications (web, mobile, and third-party integrations). Collaborate closely with frontend engineers, product managers, and other stakeholders to deliver comprehensive features. Write clean, maintainable, and well-tested code, and actively contribute to a culture of high quality and continuous improvement through code reviews and pair programming. Deploy and manage your services in a cloud-native environment on Google Cloud Platform (GCP) using Kubernetes and Docker. Engage with and contribute to our distributed systems landscape, helping to create resilient systems that can scale effectively. Your Qualifications Strong background in backend development with proven experience in building and delivering high-quality software. Proficiency in Node.js and TypeScript, with a deep understanding of modern backend frameworks. Hands-on experience with NestJS will be an advantage. Solid experience in designing, building, and consuming GraphQL APIs. Strong knowledge of relational databases (e.g., PostgreSQL) and data modeling practices. Hands-on experience with cloud platforms (GCP preferred) and container technologies (Docker, Kubernetes). You are a collaborative team player with excellent communication skills, comfortable working in an agile environment. Bonus Points for Experience with: ORM tools like MikroORM
About 9fin9fin is a cutting-edge AI platform revolutionizing the global debt markets, which represent the largest asset class exceeding $145 trillion.The landscape of debt markets is extensive, global, and essential, yet it often relies on disjointed data, PDFs, and manual processes. 9fin transforms this outdated infrastructure by providing a unified platform that consolidates proprietary credit data, in-depth analysis, and efficient workflows across international markets.Currently, 9fin empowers over 300 prestigious institutions worldwide, including leading banks, asset managers, private equity firms, law firms, and consulting advisors. The company is experiencing rapid growth, particularly in the US, with exceptional retention rates driven by robust workflow adoption.We are at a pivotal moment. With a validated product-market fit and strong global demand, 9fin is propelling towards becoming the definitive platform for debt markets globally.What You'll Work OnAs a Senior Backend Engineer on our Structured Credit team, you will contribute to the development of our market-leading CLO product and assist in the launch of a new vertical.Our team is dedicated to making a significant impact, leveraging technology to create value for the business. While we have overarching business goals, we enjoy the autonomy to define our team objectives and determine our success metrics. We uphold accountability and proactive behaviors such as ownership.Lead projects within a cross-functional team by defining and designing systems, building proof of concepts, and delivering new service functionalities—including APIs, data processing, and automation—while collaborating with Product and Clients.Engage in backend development and engineering primarily on the services and web applications hosted on the 9fin platform.Play a crucial role within project teams as a senior individual contributor, conducting code reviews, mentoring fellow developers, and participating in early research and experimentation with new technologies to provide insights for new features and products.Continuously enhance the 9fin codebase by seizing opportunities to automate, refactor, and document processes when it has the most significant impact.Work across diverse web platforms involving complex financial data modeling, intricate access control logic, environmental data capture, integration of ML/AI prediction services, and data visualization.
Full-time|Remote|Remote — London, England, United Kingdom
At Feeld, we are on a mission to foster deeper connections between individuals and enhance their understanding of themselves and their relationships. Our focus is on developing an inclusive, human-centered product, and we are seeking a Senior Backend Engineer specializing in Monetization to join our fully remote team. This role is pivotal in advancing our vision of enhancing the human experience of sexuality and relationships.In this position, you will be tasked with creating, managing, and optimizing scalable and secure backend systems that are crucial for our revenue-generating activities. Your work will ensure that our monetization processes are dependable, compliant, and capable of performing efficiently at scale.Key Responsibilities:Champion results by taking ownership of the monetization funnel's health, ensuring the reliability and performance of the systems that sustain Feeld's operations.Design and uphold scalable backend systems that integrate subscriptions, billing, entitlements, pricing strategies, and promotional mechanisms as our user base expands.Guarantee high reliability and accuracy of monetization processes, minimizing incidents that affect revenue while improving detection and resolution times.Facilitate rapid experimentation by implementing feature flags, testing options, and analytics integration across monetization systems.Collaborate with the Data team to develop and maintain analytics and reporting tools that provide insights into revenue performance, user behavior, and system health.Professional Growth Opportunities:Enhance your expertise in the design and operation of revenue-critical systems at scale.Gain advanced skills in system observability, monitoring, and incident response for high-throughput financial workloads.Broaden your knowledge of analytics infrastructure, experimentation frameworks, and data-driven product development.Refine your collaboration skills with non-technical stakeholders by translating complex technical concepts into actionable business insights.
Join Spotify's dynamic team as a Senior Backend Engineer focused on our innovative Commerce Platform. In this role, you will be instrumental in developing and optimizing backend solutions that drive our core commerce functionalities. Collaborate with cross-functional teams to enhance user experiences, improve system performance, and ensure robust scalability.
Join Us in Revolutionizing the Insurance IndustryCytora, now an Applied Systems company, is at the forefront of transforming the connections, operations, and growth of insurers and brokers. Our innovative AI-driven platform empowers smarter decisions, enhances efficiency, and fosters seamless collaboration across the global insurance landscape. As we drive digital transformation forward, we seek inquisitive and team-oriented individuals eager to help define the future of our industry. If you thrive on innovation and seek to make a significant impact, your journey begins here.Position SummaryAs a Senior Backend Engineer at Cytora, you will be an integral part of a dedicated backend team. Each team consists of a maximum of 4-5 members, allowing for autonomy and focused collaboration.Under the guidance of a technical lead and a product owner, you will prototype, develop, deploy, and maintain features that are set to revolutionize the insurance sector. Our primary mission is to digitize risk assessment, leveraging the power of Generative AI. Our engineering and product teams are distributed across Europe, providing a diverse and dynamic work environment.Required Qualifications:Proficiency with Git (specifically GitHub)Strong experience in Python, including frameworks and libraries like msgspec, httpx, pydantic, fastapi, structlog, sqlalchemy, alembic, jinja2, pytest, ruff, and mypyExtensive use of mypy or other static type checkersExperience designing and utilizing Rest APIs documented with OpenAPI specificationsFamiliarity with relational databases, particularly PostgresProficient with Docker for code packaging and docker-compose for local developmentExperience deploying code as AWS Lambda functionsFamiliarity with AWS services including S3, RDS, API Gateway, SQS, SNS, and SESPreferred Qualifications:Experience with RedisFamiliarity with GCP VertexAI, particularly using Gemini
Join Our Team!At Plum, we are revolutionizing how people save and invest. Our mission is to empower individuals to grow their wealth for life, whether they are saving for their first home or enjoying retirement. Since our inception in 2016, over 2 million users across 10 European countries have saved more than £2 billion with our innovative automation and AI…
About RemoteAt Remote, we are revolutionizing how organizations manage global employment with compliance and ease. Our platform empowers businesses of all sizes to recruit, compensate, and oversee international teams seamlessly. Driven by our core values and a forward-thinking work culture, our team collaborates on ambitious challenges asynchronously from across the globe. Our employees, known as Remoters, operate from six continents, with our positions being fully remote.With innovation at the core of our mission, we have integrated automation and AI capabilities into the requirements for every role.We encourage every member of the Remote team to contribute their unique talents, experiences, and cultures to help us build a top-tier HR platform. If you are an energetic, curious, motivated, and ambitious individual, join us and shape the future of work! Apply now!The PositionYou will become a vital part of a team of engineers specializing in Frontend, Backend, SRE, and QA, organized into cross-functional development teams focused on specific verticals.This role is available in multiple teams, and we will determine the exact team you will join during the interview process based on business needs and your preferences.Regardless of the team, your work will involve developing tools, APIs, and integrations for one of our products.Our backend utilizes Elixir and Phoenix, with a PostgreSQL database, while our frontend employs React and Next.js. We use GitLab for version control and CI/CD solutions. Our applications are hosted on AWS, and we leverage continuous integration for deployments, executing multiple deployments daily. For further insight, feel free to explore our Engineering Rulebook.What This Job Offers YouEngaging and meaningful challenges that will empower individuals and organizations to thrive in any country worldwide.The chance to make a substantial impact on our business during this exciting phase of growth, where your contributions will significantly influence our trajectory.A highly collaborative and inclusive work environment that values diverse perspectives and experiences.
Join our dynamic team at Capco as a Senior Backend Engineer specializing in Java. In this role, you will leverage your expertise to design and implement robust backend systems, ensuring high performance and responsiveness to requests from the front end. You will work collaboratively with cross-functional teams to deliver innovative solutions that meet our clients' needs.
At Spotify, we are on a mission to revolutionize the way creators and listeners engage with long-form storytelling through our Audiobooks initiative. Our objective is to create a seamless ecosystem for audiobook content, facilitating smooth transfers from publishers to listeners. This includes building the robust systems necessary for content ingestion, processing, and efficient delivery across our rapidly expanding global catalog. We are seeking a talented Senior Backend Engineer to join a dynamic and impactful team within the Audiobooks Pipeline sector. This team's primary responsibility is to design and scale systems that handle the ingestion, processing, and transformation of audiobook and eBook content, metadata, and royalties, ensuring that listeners receive the right content with utmost efficiency and quality. While this role encompasses full-stack responsibilities, the emphasis will be on backend and data-centric development. We are looking for an individual who thrives in uncertain environments, is passionate about learning, and is excited to tackle complex challenges across the tech stack.
About RemoteAt Remote, we are addressing one of the most significant challenges faced by modern organizations: managing global employment in a compliant and seamless manner. We empower businesses of all sizes to recruit, compensate, and oversee international teams effortlessly. Our commitment to innovation and a forward-thinking work culture drives us to tackle ambitious problems collaboratively from across the globe. With team members working from six continents (Antarctica is the only one left!), all roles are fully remote.Innovation is one of our core values, and as such, we integrate Automation and AI capabilities into every role.We invite each member of the Remote team to contribute their unique talents, experiences, and cultural insights to help us create a premier HR platform. If you are energetic, curious, motivated, and ambitious, join our team and help define the future of work!The PositionYou will be part of a diverse team of engineers specializing in Frontend, Backend, SRE, and QA, organized into cross-functional development teams focused on specific verticals.This role is available across multiple teams, and we will determine the exact team during the interview process based on business needs and your preferences.Regardless of the team, you will be engaged in developing tools, APIs, and integrations for our products.Our backend technology stack includes Elixir and Phoenix, supported by a Postgres database. The frontend utilizes React and Next.js. We leverage GitLab for version control and CI/CD, hosting our applications on AWS. Our deployment process is streamlined, allowing us to deploy multiple times a day. For more information, refer to our Engineering Rulebook.
Our Mission At Bud, we are dedicated to revolutionizing financial data products that empower millions to take control of their finances. Our innovative solutions are utilized by some of the world's leading institutions.Your Mission Join our dynamic team and play a pivotal role in crafting high-performance, scalable, and reliable applications using Go.A Glimpse into Backend Development at Bud As a Senior Backend Engineer, you will be instrumental in developing and maintaining our robust backend systems that underpin our suite of financial products and services. Collaborate closely with fellow engineers to design, build, and rigorously test our systems.Our Modern Tech Stack Includes:- Go for backend and data engineering projects- Diverse data stores such as MySQL, Cassandra, Redis, and BigQuery- RabbitMQ for queuing- Internal service communication via HTTP and gRPC- A comprehensive observability stack featuring GrafanaLab, Loki, Tempo, Looker, and more- Google Cloud Platform for cloud environments- Familiarity with Docker and/or Kubernetes is an advantage!We foster a collaborative environment that values every team member's contributions and insights.Key ResponsibilitiesDeliver technical solutions both independently and collaborativelyGuide and partake in discussions and initiatives with other backend developers; share knowledge and promote technical best practicesBuild strong relationships within the team and the broader organization, mentoring and providing technical guidanceStay informed about emerging tools and practices, consistently enhancing your technical expertise and domain knowledgeCommunicate effectively in both technical and non-technical contextsMake informed trade-offs in project scoping and delivery with a focus on maintainability, scalability, and timely delivery in collaboration with the team and stakeholdersWork closely with cross-functional teams to align on implementation strategies and solutionsInclusivity at BudWe are committed to creating a diverse team where everyone feels safe to be their authentic selves. We believe that diverse backgrounds, experiences, and perspectives will help us grow as a company and a team. We especially encourage applications from individuals of different races, genders, and identities.
Join Monzo as a Senior Staff Backend Engineer and play a pivotal role in building our innovative banking platform. You will collaborate with cross-functional teams, driving technical excellence and contributing to our mission of making money work for everyone. Utilize your expertise in backend technologies to enhance our systems, implementing scalable solutions that improve our customer experience.
Full-time|£150K/yr - £150K/yr|On-site|London, England, United Kingdom
TL;DRDeducta is a rapidly expanding startup catering to some of the globe's most prestigious enterprises. With strong funding, we are committed to addressing today's most significant business challenges.We are seeking a Senior Backend Engineer who will play a pivotal role in the design, development, and upkeep of our core systems.In this role, your key responsibilities will include:Creating and sustaining high-performance, low-latency APIs for enterprise-level data processing systems.Delivering exceptional code promptly. Location: London, UK. Our office is situated near London Bridge, and we prioritize in-person collaboration. Compensation: The total compensation for this position begins at £150,000. Visa Sponsorship: We are willing to sponsor a visa for the ideal candidate to join our team. What is Deducta?Deducta is a leading data intelligence platform for global corporations. We provide unparalleled clarity into mission-critical data for some of the world's largest and most intricate organizations, starting with spend data.We are at the forefront of significant business transformations. Our partners leverage Deducta to achieve impactful results at remarkable speeds.What is the Role?We process vast datasets containing essential enterprise information from diverse sources and formats, structuring it effectively. Our system utilizes cutting-edge LLMs to tackle this challenge with unmatched precision and at previously unimaginable scales.As a Senior Backend Engineer, you will be responsible for designing, developing, and maintaining the foundational architecture of our platform as it expands.Your contributions will include:Designing, constructing, and maintaining data ingestion and processing engines capable of supporting mission-critical operations for the largest firms globally.Developing and sustaining ultra-fast, high-volume, and well-documented APIs to facilitate these systems.Driving business growth through a blend of creativity and experimentation to enhance our product, alongside proactive problem-solving for our clients.Working closely with both technical and non-technical team members to comprehend our customers' challenges and create solutions that address them.Success in this role means:Leading development initiatives from concept to production.Consistently driving enhancements and new features. Who will be the right fit?We are in search of a technically outstanding engineer who excels in a role that offers autonomy and ownership.You might be a great fit if you possess…Strong experience in object-oriented programming within cloud environments (e.g. AWS, GCP, or Azure), with .NET experience considered a plus.Familiarity with SOLID principles, domain-driven design, and Clean Architecture methodologies.A passion for...
About UsAt Heidi, we are pioneering an AI Care Partner that assists healthcare professionals at every stage, from documentation to patient care delivery. Our mission is to enhance healthcare capacity while maintaining a deeply human touch. In just 18 months, we have reclaimed over 18 million hours for clinicians and facilitated more than 73 million patient visits. Currently, Heidi powers over two million patient interactions weekly across 116 countries in more than 110 languages.Founded by healthcare professionals, Heidi unites clinicians, engineers, designers, scientists, creatives, and mathematicians, all dedicated to enhancing the human connection central to healthcare. With nearly $100 million in funding, we are expanding our reach in the USA, UK, Canada, and Europe, collaborating with major health systems, including the NHS and Beth Israel Lahey Health, among others.We are agile in our approach, focused on what works, and poised to shape the future of healthcare. Are you ready to take on this challenge?Your RoleAs a Senior Backend Engineer, you will be instrumental in executing backend features, leveraging your deep technical understanding to meet user requirements. You will thrive in a hyper-growth startup environment, with substantial experience in building SaaS products.With a solid grasp of the challenges engineers face, you will prioritize key features and capabilities through effective design principles. Your ability to bridge technical specifics with business needs will enable you to transform high-level concepts into practical solutions.Embracing challenging scenarios, you will appreciate the dynamics of a flexible, flat-structured work environment and quickly navigate the complexities of developing AI healthcare products on an international scale. We believe that exceptional talent can emerge from diverse backgrounds; if you have a proven history of delivering technically demanding products and features, we want to hear from you.
Join the Future of Identity with Socure!At Socure, we are revolutionizing the identity verification landscape, establishing a trust infrastructure that safeguards the digital economy. Our mission is to verify 100% of legitimate identities in real-time, proactively preventing fraud before it occurs. Our work addresses complex challenges, impacting businesses, governments, and millions of individuals globally every day.We seek passionate individuals ready to take on significant responsibilities. If you thrive in a fast-paced environment, possess critical thinking skills, and approach challenges with an ownership mindset, you’ll fit right in. If predictability is what you seek, this might not be the role for you. However, if you're eager to help shape the future of identity with a team that holds itself to the highest standards, keep reading.As a Senior Backend Engineer, you will be a critical player in our product-focused teams, designing and building scalable systems that have a meaningful impact. You will engage directly with customers to enhance satisfaction and drive continuous improvements across our product offerings.In this role, you will lead the design and implementation of distributed systems, take ownership of essential non-functional requirements such as scalability, security, and reliability, and mentor fellow engineers while remaining actively involved in development. Your expertise will be vital throughout the entire software development lifecycle, from architecture and implementation to testing, documentation, and production support.This position is ideal for backend engineers who are passionate about building robust systems using Golang, excel in a product-driven environment, and want to influence technology at scale.Key Responsibilities:Design, develop, test, and debug scalable backend services within distributed systems.Deliver on key non-functional requirements, including scalability, availability, performance, and security.Develop and maintain comprehensive tests (unit, integration, functional) to ensure high coverage and reliability.Contribute to and produce technical documentation for knowledge sharing and collaboration.Break down complex projects into actionable tasks and guide teams in their execution.
Join Aircall, a revolutionary unicorn in the AI-powered customer communications sphere, trusted by over 22,000 companies globally to enhance revenue, expedite issue resolution, and empower customer-facing teams. We are transforming the landscape of customer communications by integrating voice, SMS, WhatsApp, and AI into a unified workspace.Our growth is driven by a straightforward principle: to enable teams to work smarter, not harder. Our AI Voice Agent automates routine calls, while AI Assist simplifies post-call tasks, and AI Assist Pro provides real-time insights, allowing individuals to excel in their roles. This synergy results in increased revenue, quicker resolutions, and scalable teams.Headquartered in Paris, with a solid presence in North America anchored in Seattle, Aircall also has teams in vibrant cities such as Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and we are rapidly scaling, supported by top-tier investors and continuous AI advancements across multiple product lines.At Aircall, you'll become part of a dynamic company. We are ambitious, focused on product development, and execution-oriented, with a clear impact, swift decision-making, and genuine growth opportunities.Our Work Culture at Aircall: We prioritize customer satisfaction, leverage data for decision-making, and are dedicated to delivering significant outcomes. We cherish ownership, continuous improvement, and thoughtful agility. If you thrive in a collaborative, fast-paced environment where trust and impact are essential, you will thrive here.Position Overview:As a Senior Backend Software Engineer, you will take charge of designing, developing, deploying, and maintaining essential features that enhance customer value on our voice platform.You will be expected to advocate for best practices, mentor team members, and contribute to the broader Engineering community as part of your daily responsibilities.Quality, excellence, and agility are at the core of our delivery process, and you will play a pivotal role in elevating these standards.Utilizing a diverse array of backend technologies tailored to specific needs, all hosted on AWS, we create resilient services that deliver added value on top of voice while fully integrating with our customers' critical business tools (CRM, Helpdesk, E-Commerce, etc.).
Join Spotify as a Senior Backend Engineer - Subscriptions and play a pivotal role in enhancing our subscription services.In this position, you will collaborate with cross-functional teams to design and implement scalable backend systems, ensuring seamless integration and exceptional user experiences.
About RemoteAt Remote, we are tackling one of the most significant challenges faced by modern organizations: ensuring compliant global employment. Our platform empowers businesses of all sizes to easily hire, pay, and manage international teams. With a culture rooted in our core values and a forward-thinking approach, our diverse team works diligently on innovative solutions asynchronously from around the globe. Remote team members are spread across six continents, and all positions are fully remote.Innovation is at the heart of what we do, and we integrate Automation and AI into every role's requirements.We encourage every member of our team to contribute their unique skills, experiences, and cultural insights to help us create a world-class HR platform. If you are enthusiastic, inquisitive, driven, and ambitious, we invite you to join us in defining the future of work. Apply now!The PositionYou will be a vital part of our engineering team, collaborating with experts from Frontend, Backend, SRE, and QA. Our teams are organized into cross-functional units, focusing on specific verticals.This opportunity spans multiple teams, and the exact team assignment will be determined during the interview process based on your preferences and organizational needs.Regardless of which team you join, you will contribute to developing tools, APIs, and integrations for one of our products.Our backend technology stack includes Elixir and Phoenix, supported by a Postgres database. The frontend utilizes React and Next.js, with GitLab serving as our version control, issue tracking, and CI/CD solution. Our applications are hosted on AWS, and we deploy multiple times a day using CI.What We OfferEngaging and significant challenges — your solutions will enable individuals and businesses to operate globally.The chance to make a substantial impact — as an early-stage company, your contributions will directly influence our growth and trajectory.
Wheely provides premium transportation services in major cities across Europe, the US, and the Middle East. The company supports over 100,000 active riders and 1,200 corporate clients, combining advanced technology with professional chauffeuring. With $43M in funding and annual revenue exceeding $100M, Wheely continues to grow, recently expanding into New York City. Role overview The Senior Backend Engineer, Platform, joins a team responsible for building and maintaining the foundational systems that power Wheely’s engineering organization. This group develops shared tools, manages significant migrations (such as moving away from a Ruby monolith), and works to strengthen the company’s infrastructure. The team emphasizes lightweight frameworks and clean, maintainable code, relying on practices like Test-Driven Development (TDD), Domain-Driven Design (DDD), and continuous integration and delivery. Technology stack Go (Golang) as the primary language Ruby monolith (legacy, currently being migrated away from) PostgreSQL and MongoDB for databases RabbitMQ and Redis for messaging and caching gRPC and Thrift for APIs and protocols AWS, Kubernetes, and Terraform for cloud and infrastructure Interview process Initial recruiter screening Algorithm assessments Live coding exercises Systems design discussions For senior candidates, a structured review of previous experience and achievements Wheely seeks engineers who care about their craft and want to contribute to the platform as the company continues to grow.
Role Overview nuitee is looking for a Senior Backend Engineer with strong Python experience to help build and maintain backend systems. This position focuses on designing, implementing, and improving backend services that support client needs across the EMEA region. What You Will Do Work closely with cross-functional teams to design backend architecture and solutions Write, test, and maintain scalable Python services Contribute to architectural decisions and technical direction Improve system performance, reliability, and security Support the ongoing enhancement of backend applications Who We’re Looking For Extensive experience with Python in a backend engineering role Comfort working with cross-functional teams Strong interest in building reliable, secure, and scalable systems Ability to contribute to architectural discussions and decisions Location This role is open to candidates based in EMEA.
Your Mission As a Senior Backend Engineer within our Commercial Technology team, you will play a pivotal role in shaping On's digital ecosystem. You'll be responsible for designing, developing, and scaling the essential services that drive our global e-commerce platform, B2B partner portals, and retail experiences. Your contributions will significantly influence how we present product information, facilitate the checkout process, and enhance the end-to-end e-commerce user experience for our customers and partners, ensuring a seamless and premium interaction that bolsters our commercial success. Your Responsibilities Design, develop, and maintain robust and scalable backend services utilizing our modern technology stack, focusing primarily on NestJS, TypeScript, and GraphQL. Take ownership of key components within our Commercial Technology team, ensuring performance, reliability, and alignment with the needs of diverse client applications (web, mobile, and third-party integrations). Collaborate closely with frontend engineers, product managers, and other stakeholders to deliver comprehensive features. Write clean, maintainable, and well-tested code, and actively contribute to a culture of high quality and continuous improvement through code reviews and pair programming. Deploy and manage your services in a cloud-native environment on Google Cloud Platform (GCP) using Kubernetes and Docker. Engage with and contribute to our distributed systems landscape, helping to create resilient systems that can scale effectively. Your Qualifications Strong background in backend development with proven experience in building and delivering high-quality software. Proficiency in Node.js and TypeScript, with a deep understanding of modern backend frameworks. Hands-on experience with NestJS will be an advantage. Solid experience in designing, building, and consuming GraphQL APIs. Strong knowledge of relational databases (e.g., PostgreSQL) and data modeling practices. Hands-on experience with cloud platforms (GCP preferred) and container technologies (Docker, Kubernetes). You are a collaborative team player with excellent communication skills, comfortable working in an agile environment. Bonus Points for Experience with: ORM tools like MikroORM
About 9fin9fin is a cutting-edge AI platform revolutionizing the global debt markets, which represent the largest asset class exceeding $145 trillion.The landscape of debt markets is extensive, global, and essential, yet it often relies on disjointed data, PDFs, and manual processes. 9fin transforms this outdated infrastructure by providing a unified platform that consolidates proprietary credit data, in-depth analysis, and efficient workflows across international markets.Currently, 9fin empowers over 300 prestigious institutions worldwide, including leading banks, asset managers, private equity firms, law firms, and consulting advisors. The company is experiencing rapid growth, particularly in the US, with exceptional retention rates driven by robust workflow adoption.We are at a pivotal moment. With a validated product-market fit and strong global demand, 9fin is propelling towards becoming the definitive platform for debt markets globally.What You'll Work OnAs a Senior Backend Engineer on our Structured Credit team, you will contribute to the development of our market-leading CLO product and assist in the launch of a new vertical.Our team is dedicated to making a significant impact, leveraging technology to create value for the business. While we have overarching business goals, we enjoy the autonomy to define our team objectives and determine our success metrics. We uphold accountability and proactive behaviors such as ownership.Lead projects within a cross-functional team by defining and designing systems, building proof of concepts, and delivering new service functionalities—including APIs, data processing, and automation—while collaborating with Product and Clients.Engage in backend development and engineering primarily on the services and web applications hosted on the 9fin platform.Play a crucial role within project teams as a senior individual contributor, conducting code reviews, mentoring fellow developers, and participating in early research and experimentation with new technologies to provide insights for new features and products.Continuously enhance the 9fin codebase by seizing opportunities to automate, refactor, and document processes when it has the most significant impact.Work across diverse web platforms involving complex financial data modeling, intricate access control logic, environmental data capture, integration of ML/AI prediction services, and data visualization.
Full-time|Remote|Remote — London, England, United Kingdom
At Feeld, we are on a mission to foster deeper connections between individuals and enhance their understanding of themselves and their relationships. Our focus is on developing an inclusive, human-centered product, and we are seeking a Senior Backend Engineer specializing in Monetization to join our fully remote team. This role is pivotal in advancing our vision of enhancing the human experience of sexuality and relationships.In this position, you will be tasked with creating, managing, and optimizing scalable and secure backend systems that are crucial for our revenue-generating activities. Your work will ensure that our monetization processes are dependable, compliant, and capable of performing efficiently at scale.Key Responsibilities:Champion results by taking ownership of the monetization funnel's health, ensuring the reliability and performance of the systems that sustain Feeld's operations.Design and uphold scalable backend systems that integrate subscriptions, billing, entitlements, pricing strategies, and promotional mechanisms as our user base expands.Guarantee high reliability and accuracy of monetization processes, minimizing incidents that affect revenue while improving detection and resolution times.Facilitate rapid experimentation by implementing feature flags, testing options, and analytics integration across monetization systems.Collaborate with the Data team to develop and maintain analytics and reporting tools that provide insights into revenue performance, user behavior, and system health.Professional Growth Opportunities:Enhance your expertise in the design and operation of revenue-critical systems at scale.Gain advanced skills in system observability, monitoring, and incident response for high-throughput financial workloads.Broaden your knowledge of analytics infrastructure, experimentation frameworks, and data-driven product development.Refine your collaboration skills with non-technical stakeholders by translating complex technical concepts into actionable business insights.
Join Spotify's dynamic team as a Senior Backend Engineer focused on our innovative Commerce Platform. In this role, you will be instrumental in developing and optimizing backend solutions that drive our core commerce functionalities. Collaborate with cross-functional teams to enhance user experiences, improve system performance, and ensure robust scalability.
Join Us in Revolutionizing the Insurance IndustryCytora, now an Applied Systems company, is at the forefront of transforming the connections, operations, and growth of insurers and brokers. Our innovative AI-driven platform empowers smarter decisions, enhances efficiency, and fosters seamless collaboration across the global insurance landscape. As we drive digital transformation forward, we seek inquisitive and team-oriented individuals eager to help define the future of our industry. If you thrive on innovation and seek to make a significant impact, your journey begins here.Position SummaryAs a Senior Backend Engineer at Cytora, you will be an integral part of a dedicated backend team. Each team consists of a maximum of 4-5 members, allowing for autonomy and focused collaboration.Under the guidance of a technical lead and a product owner, you will prototype, develop, deploy, and maintain features that are set to revolutionize the insurance sector. Our primary mission is to digitize risk assessment, leveraging the power of Generative AI. Our engineering and product teams are distributed across Europe, providing a diverse and dynamic work environment.Required Qualifications:Proficiency with Git (specifically GitHub)Strong experience in Python, including frameworks and libraries like msgspec, httpx, pydantic, fastapi, structlog, sqlalchemy, alembic, jinja2, pytest, ruff, and mypyExtensive use of mypy or other static type checkersExperience designing and utilizing Rest APIs documented with OpenAPI specificationsFamiliarity with relational databases, particularly PostgresProficient with Docker for code packaging and docker-compose for local developmentExperience deploying code as AWS Lambda functionsFamiliarity with AWS services including S3, RDS, API Gateway, SQS, SNS, and SESPreferred Qualifications:Experience with RedisFamiliarity with GCP VertexAI, particularly using Gemini
