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Experience
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Ideal candidates possess in-depth knowledge of Rust or C++, with substantial experience in designing, implementing, and maintaining distributed systems. You should be well-versed in service observability best practices, and have operational experience with databases like PostgreSQL, Clickhouse, and MongoDB. Additional skills in Python, Docker, Kubernetes, TypeScript, and gRPC will set you apart.
About the job
Join xAI as a Backend Engineer, where you will play a vital role in building robust production systems that support grok.com and our API. We are looking for a highly motivated individual with expertise in scalable infrastructure and a passion for problem-solving. Your experience with Rust or C++, along with your ability to design and maintain distributed systems, will be crucial as you contribute directly to our mission of advancing AI technologies. Strong communication skills and a commitment to excellence are essential in our collaborative environment.
About xAI
At xAI, our mission is to develop AI systems that deepen our understanding of the universe and enhance human knowledge. We pride ourselves on our small, agile team that values curiosity and engineering excellence. With a flat organizational structure, we empower our employees to take initiative and make impactful contributions. If you thrive in a challenging environment and possess a strong work ethic, xAI is the perfect place for you.
Backend Platform EngineerWe are looking for a talented Platform Engineer to join our elite team at mlabs, a pioneering software development firm leading the charge in the fintech and digital asset industries. Our organization is a major contributor to one of the world's largest and most dynamic crypto social networks, having generated upwards of $600 million…
Join our dynamic Data Processing Product Area at Spotify, where we create innovative platforms and tools that transform the way we process, manage, and leverage data on a massive scale. Our team empowers various departments within Spotify to tackle intricate data challenges with assurance. We emphasize enhancing efficiency, quality, and innovation, enabling engineers and data professionals to accelerate their work while ensuring reliability and cost-effectiveness.
Role Overview Spotify is looking for a Backend Engineer to join the Data Platform team in London. This position focuses on building and improving the backend systems that power Spotify’s data processing and analytics. The work supports a seamless experience for millions of listeners around the globe. What You Will Do Develop and maintain scalable backend systems for data processing and analytics. Work closely with cross-functional teams to optimize Spotify’s data infrastructure. Help ensure high availability and strong performance across backend services. About the Team The engineering team at Spotify values collaboration and technical excellence. The Data Platform group plays a key role in supporting the company’s ability to deliver music and insights at scale.
About Our TeamJoin our innovative AI Platform team at realtimeboardglobal, where we are at the forefront of Miro’s AI-powered product vision. We are dedicated to developing the internal platform, tools, and APIs that empower Miro’s product teams to integrate and scale AI applications seamlessly. Our mission is to create a robust and adaptable technical foundation for AI innovation, enabling our teams to work efficiently, innovate responsibly, and deliver exceptional AI features to our users.Your RoleAs a Senior Backend Engineer within our AI Platform team, you will play a pivotal role in constructing and enhancing the core infrastructure that powers AI across Miro. You will establish the technical groundwork for how we develop, deploy, and manage AI/ML capabilities, serving tens of millions of users as we transition into an increasingly intelligent product. You will design internal tools that allow teams to experiment with and release AI features swiftly and responsibly, as well as manage data pipelines for AI applications. This is a unique opportunity to influence how AI is developed and embraced company-wide.
Join Contentful as a Senior Backend Engineer specializing in our cutting-edge AI Platform. In this pivotal role, you will architect and develop robust backend systems that support our innovative AI solutions. Collaborate with a dynamic team of engineers and data scientists to design scalable APIs and enhance our platform's capabilities.
Join Wise as a Senior Software Engineer I, where you will play a crucial role in developing and enhancing our Acquiring Platform. As a backend engineer specializing in Java, you will collaborate with cross-functional teams to create reliable, scalable, and innovative software solutions that will help us deliver exceptional payment experiences to our users.
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.
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.
About 9fin9fin is revolutionizing the global debt markets with its cutting-edge AI platform, catering to the world’s largest asset class valued at over $145 trillion.The debt markets are extensive, international, and essential, yet they are often hindered by disjointed data, PDFs, and manual processes. 9fin transforms this outdated framework by providing a unified platform that consolidates proprietary credit data, in-depth analysis, and streamlined workflows across global markets.Currently, 9fin supports over 300 prestigious institutions worldwide, including leading banks, asset managers, private equity firms, law firms, and advisory companies. Our rapid growth is marked by significant expansion in the US and an exceptional retention rate driven by extensive workflow adoption.We are at a pivotal moment in our journey. With a proven product-market fit and substantial global demand, 9fin is on the path to becoming the definitive platform for debt markets globally.What You'll Work OnYou will lead technical projects, defining and designing systems, swiftly creating proof of concepts, and collaborating closely with Product and our clients.Develop code and guide your team in delivering new service functionalities, implementing APIs, managing data routing/processing, and establishing automation mechanisms.Your primary focus will be on backend services and the web applications that support the 9fin platform.Assume a leadership role within project teams, conducting code reviews and mentoring junior developers, while also participating in early research and experimentation with new technologies to inform new features and products.Continuously enhance the 9fin codebase by automating, refactoring, and documenting when possible.Diversity is key: Our web platforms encompass a wide range of areas, including complex financial data modeling, environmental and energy data capture, integration of ML/AI prediction services, and data visualization and automation systems.Collaboration is vital: We form cross-functional teams for every project, incorporating the necessary domain expertise from 9fin in finance, law, and editorial. Your ability to convey complex projects to non-technical audiences will foster productive and efficient team collaboration.Developer Experience: By managing automated processes and enhancing the development environment, you will help improve the overall experience for developers.
Join Our Team as a Backend Software Engineer!Location: LondonAbout Us:We are a cutting-edge video platform designed for live, social, and mobile streaming. Our cloud-based solution simplifies the complexities of professional video production and distribution. We collaborate with leading broadcasters and rights holders such as Sky Sports, BT Sport, Eurosport, ITV, Turner, The Premier League, LaLiga, The FA, Buzzfeed, AELTC Wimbledon, GOAL.com, and more. Our platform seamlessly integrates with major social media channels including Facebook, Instagram, Periscope, Twitter, and YouTube, and we are proud to be a preferred global partner for Facebook Live.Utilizing Amazon Web Services as our primary hosting provider, we ensure that every product within our platform is architected for scalability and high availability, catering to a global clientele. Our cloud-based infrastructure empowers engineers to remain agile, providing them with the freedom to innovate without sacrificing reliability and development speed.We believe in cultivating talent by hiring bright graduate and junior engineers, integrating them into our dynamic culture, which is vital to our growth. From day one, you will be paired with a mentor who will guide you through daily technical queries and assist in your career progression, helping you to define your focus within our platform (video, data, front-end, architecture, streaming, etc.) through regular performance evaluations.Our commitment to your happiness and engagement is paramount. We encourage pushing our platform and team to leverage the latest technologies, providing you with a diverse set of responsibilities—from design and architecture to production support. This hands-on approach allows you to feel challenged and engaged, making a tangible impact.Our strategy has fostered an ideal environment for talent retention, with several of our senior engineers, including the current Product Owner and Lead Software Architect, having started as graduate engineers and evolved into key leaders within our organization.Being social is a core aspect of our culture. We enjoy bonding as a team and organize various activities to strengthen our camaraderie.If technology excites you, you’ll feel right at home with us!As a Backend Software Engineer, you will work on essential features of our flagship product, Studio. This may include developing automated clip creation services based on data analysis, improving our media transcoding services, or enhancing our live encoding platform.You'll be working with state-of-the-art technologies including Java, JavaScript, NoSQL, Serverless Architecture, Microservices, Auto Scaling/Auto Recovery, Kinesis, and Media Processing.
Join Canva's Flourish Platform as a Staff Backend Engineer where you will play a crucial role in building and enhancing our backend systems using TypeScript and Node.js. Collaborate with a talented team of engineers to design scalable and efficient backend services that power our innovative solutions.
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 RoleAs 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.
Become a Key Player at Pigment: The Revolutionary AI Business Planning PlatformPigment is a pioneering AI-driven platform designed to transform business planning and performance management, tailored for agility and scalability. We unite individuals, data, and workflows in one seamless and feature-rich solution, empowering diverse teams—from Finance to HR—to construct, modify, and synchronize strategic initiatives in real-time.Established in 2019, Pigment stands as one of the fastest-growing SaaS firms globally. Esteemed organizations such as Unilever, Snowflake, Siemens, and DPD leverage Pigment daily to make informed decisions and confidently navigate various scenarios.With over 500 team members across Paris, London, New York, San Francisco, and Toronto, we have secured nearly $400 million from leading investors and have been recognized as a Visionary in the 2024 Gartner® Magic Quadrant™ for Financial Planning Software.At Pigment, we embrace intelligent risks, celebrate innovative ideas, and challenge conventional thinking while collaborating as a unified team. If you are driven by creativity and eager to make a significant impact, we are excited to connect with you.Join Our Engineering TeamOur Engineering team plays a pivotal role in developing our SaaS platform, creating a comprehensive and user-centric product. Pigment engineers engage in the entire application development lifecycle, emphasizing design, coding, and maintaining a robust production platform. While specialization is encouraged, we promote a collaborative environment where backend and frontend roles intermingle.We prioritize user-centricity and practicality—selecting the most effective tools for the challenges we face while understanding the strengths and limitations of each technology.Our engineering culture thrives on curiosity, humility, trust, ownership, and teamwork.Our technology stack includes C# on .NET Core Linux, React, TypeScript, PostgreSQL, Google Cloud Platform, Docker, Kubernetes, Terraform, RabbitMQ, and Circle CI.Explore Our Tech Blog:If you're curious about technology and innovation, visit our blog for insights!
About the Role Saturn is looking for a Platform Engineer in London. This role focuses on building and improving the platforms that power our products. The work centers on designing systems that scale, run efficiently, and support a growing user base. What You Will Do Develop and optimize core platform components Work closely with other engineers to deliver reliable systems Contribute to the design of scalable solutions that handle increasing demand Team and Collaboration Platform Engineers at Saturn collaborate with a skilled engineering team. The group values practical solutions and a shared commitment to quality.
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.
Join the Future of Technology with ZILO™At ZILO™, we are revolutionizing the world of technology. As a UK-based FinTech leader, we specialize in developing innovative global asset and wealth management software. Our proprietary AI technology is designed to scale and transform businesses across various sectors, and our mission is to digitalize the future of the global asset management industry.Our team comprises seasoned experts with decades of experience at top firms worldwide, thriving in fast-paced environments while aiming to shape the future of digital finance. Every team member plays a vital role in driving progress and making a significant impact. We are committed to continuous innovation and improvement.Why Choose ZILO™? At ZILO™, you will be immersed in a dynamic and inclusive environment that fosters creativity. We offer the chance to work on cutting-edge technologies, collaborate with talented colleagues, and contribute to projects that make a real-world difference. We prioritize continuous learning, personal growth, and equipping our team with the tools they need to excel.Are you ready to help shape the future? Let’s connect.We are seeking a Platform Engineer to design, operate, and enhance our GitOps-driven blockchain platform hosted on AWS and Kubernetes. This role bridges infrastructure engineering, platform operations, and delivery enablement, with daily tasks involving Terraform, EKS, Argo CD, Helm-based application deployment, CI/CD, observability, and secure environment promotion across multiple settings.You will work on a platform that supports blockchain workloads and related services including Besu, Hyperledger FireFly, Prometheus/Grafana, along with essential AWS networking and identity components.This position is hybrid, necessitating regular attendance at our London office for 2-3 days per week.Core ResponsibilitiesDevelop and manage AWS infrastructure utilizing Terraform.Enhance and maintain EKS-based Kubernetes platforms across diverse environments.Oversee application delivery via Argo CD and GitOps methodologies.Utilize Helm and Kustomize overlays for deploying and promoting platform services.Operate and refine core platform components, including:Argo CDExternal Secretscert-managerVaultPrometheus/Grafanametrics-serverManage blockchain platform services, particularly:Hyperledger BesuEnsure secure connectivity, IAM roles, ECR-based artifact delivery, ingress, DNS, TLS, and environment-specific configurations.Contribute to CI/CD and automation leveraging GitHub Actions and shell scripting.Diagnose platform issues across cloud infrastructure, Kubernetes workloads, Argo sync state, networking, secrets, and service integrations.
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 xAI as a Backend Engineer, where you will play a vital role in building robust production systems that support grok.com and our API. We are looking for a highly motivated individual with expertise in scalable infrastructure and a passion for problem-solving. Your experience with Rust or C++, along with your ability to design and maintain distributed systems, will be crucial as you contribute directly to our mission of advancing AI technologies. Strong communication skills and a commitment to excellence are essential in our collaborative environment.
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...
Your ImpactAs a Senior Platform Engineer at DISCO, you will lead significant projects and play a pivotal role in the success of our engineering teams. Your expertise will inform long-term strategic planning, mentorship for senior engineers, and steer technical decisions across various teams or departments. Your focus will be on system design, implementation, and the ongoing maintenance and enhancement of DISCO’s distributed data platform.What You'll DoTechnical Leadership and Mentorship: Assume a leadership role in project teams, guiding engineers and influencing technical decisions, while innovating and solving complex organizational challenges.Performance Optimization: Design systems that emphasize high performance, scalability, and reliability.Ownership: Proactively identify and address potential issues within products and systems, creating actionable plans for resolution.Stakeholder Engagement: Collaborate closely with stakeholders including product managers, designers, developers, and executives to ensure architectural designs align with business needs and customer expectations.Software Development: Develop, maintain, and enhance sophisticated, scalable, high-performance data software solutions tailored for our big data platform at a petabyte scale, ensuring architectural excellence.Code Quality and Optimization: Commit to and enhance code quality through thorough review processes, optimization techniques, and adherence to industry best practices.Technical Problem Solving: Tackle intricate technical challenges with innovative problem-solving approaches.Collaboration and Communication: Work effectively within the engineering team and cross-functional teams, fostering collaboration with engineers, product managers, and stakeholders during project planning and execution.Continuous Learning and Adaptation: Stay abreast of the latest technological trends and advancements, continuously improving your skills and knowledge to contribute innovative ideas to the team.Technical Documentation: Generate and maintain comprehensive technical documentation to ensure clarity and accessibility of information.Data Platform Development: Construct and sustain robust and scalable data platforms to facilitate analytics, machine learning, and business intelligence.Data Integration and ETL: Design and optimize ETL (Extract, Transform, Load) processes, ensuring efficient data integration.
