Software Engineer (Backend)

Join Enode and Transform the Energy LandscapeThe global energy consumption landscape is evolving rapidly, yet the transition to renewable sources is lagging. At Enode, we believe that the key to unlocking this potential lies in smarter, more interconnected solutions.Our platform is at the forefront of the green energy revolution, facilitating the development…

At Speechify, we are on a mission to eliminate barriers to learning through innovative technology. Our platform transforms the way people engage with text, allowing over 50 million users to convert PDFs, books, Google Docs, news articles, and websites into high-quality audio. With our suite of text-to-speech products including iOS and Android apps, Mac application, Chrome extension, and web app, we empower users to read faster, retain more information, and enjoy a seamless reading experience.We are proud to be recognized by Google as the Chrome Extension of the Year and by Apple as the 2025 Design Award winner for Inclusivity. Our diverse team of nearly 200 professionals, hailing from renowned companies such as Amazon, Microsoft, and Google, and prestigious institutions like Stanford, work in a fully remote environment to drive our vision forward.OverviewThe Platform team is responsible for designing, developing, and maintaining our backend services, which encompass payments, analytics, subscriptions, new product features, text-to-speech functionalities, and external APIs. This pivotal role is suited for strategic thinkers who thrive in fast-paced settings, are passionate about shaping product direction, and have a track record of creating engaging user experiences.As a flat organization, we foster leadership through technical excellence and consistent results. We value a strong work ethic, clear communication, and a passion for success.Our interview process is efficient, featuring multiple technical evaluations, typically completed within one week.

Why Clipboard Exists:At Clipboard, our mission is to empower individuals to ascend the socioeconomic ladder by transforming their extra time and ambition into meaningful career growth and financial opportunities. Our innovative app-based marketplace connects professionals with workplaces, enabling on-demand shift bookings that benefit both parties.About Clipboard:Clipboard is a rapidly expanding Series C company recognized as a leader in the Long Term Care sector, with plans to diversify into additional areas such as Dental Offices and Schools. As a YC Top Company, our global team of over 700 professionals operates remotely, having achieved profitability since 2022. We facilitate millions of shifts annually across the U.S., serving tens of thousands of professionals. Join us in our mission to further expand our impact. Learn more about our vision on our website here.Your Mission: Innovate, Execute, and Deliver ImpactAs a Backend Software Engineer at Clipboard, you will go beyond writing code—you will design solutions that redefine the connection between healthcare professionals and facilities. Collaborating with product managers, designers, and fellow engineers, you will develop impactful features that address real-world challenges. This is a dynamic and ongoing recruitment effort, as we consistently seek talented software engineers to join our growing team.What You’ll Do: Own the Code, Shape the FutureDeliver High-Quality, Scalable CodeCraft performant backend services utilizing Node/NestJS alongside responsive frontend features using React and TypeScript.Utilize MongoDB, Postgres, and Redis to maintain data integrity and optimize performance at scale.Develop Reusable Components and UtilitiesContribute clean, modular code for our web and mobile applications (Ionic/React, Dart/Flutter).Collaborate with the Developer Experience (DevX) team to enhance tools and libraries that increase productivity and streamline workflows.

Our Mission at Clipboard:At Clipboard, our mission is to empower individuals to ascend the socioeconomic ladder. We transform lives by enabling professionals to convert their time and ambition into career advancement and financial prospects. Our innovative app-based marketplace connects talented professionals with workplaces, facilitating on-demand shift bookings and providing employers with immediate access to skilled talent.About Clipboard:Clipboard is a rapidly expanding Series C marketplace and a frontrunner in the Long Term Care sector, with plans to diversify into other areas such as Dental Offices and Schools. As a YC Top Company, we boast a global remote workforce of over 700 individuals. Since achieving profitability in 2022, we continue to fill millions of shifts annually across numerous partner workplaces in the US, enabling tens of thousands of professionals to thrive in their careers. Join us in our mission to connect more professionals and workplaces. Discover more about us on our careers page.For insights into our Engineering team, explore our frequently asked questions and visit our engineering careers page.Role Overview - Platform EngineerDesign, implement, and maintain robust, scalable infrastructure utilizing Terraform, ensuring security, reproducibility, and automation across diverse environments.Develop and enhance backend services using TypeScript, NestJS, and Node.js, integrating with MongoDB and Postgres databases to guarantee performance and reliability.Oversee and optimize our cloud architecture on AWS, utilizing services such as EC2, ECS, RDS, S3, CloudWatch, etc., to meet application and platform requirements.Create reusable infrastructure modules and internal tooling to empower engineering teams and enhance development efficiency.Take ownership of the complete lifecycle of platform features: from design and implementation to production monitoring and support.Collaborate within a globally distributed, fully remote team that thrives on asynchronous workflows and a strong ownership culture.

Join Upwork, the world’s leading work marketplace, where we empower a diverse range of clients from innovative startups to over 30% of Fortune 100 companies. Our platform fosters collaboration between companies and talented professionals, unlocking their full potential.Last year, our vibrant community of skilled professionals facilitated over $3.8 billion worth of work through Upwork, allowing them to take charge of their careers by pursuing work they are passionate about.You will be part of Upwork’s Hybrid Workforce Solutions (HWS) Team, a global network of experts dedicated to supporting Upwork’s business initiatives. We are proud to have our HWS team members distributed across various locations worldwide.We are seeking a passionate and experienced Senior Backend Engineer with a strong background in Python, JavaScript, and server-side development, along with SQL skills and AWS expertise, to contribute to the Upwork Data Platform Backend.The Intelligent Data Platform team is looking for a Senior Backend Engineer to enhance the Snowflake Data Platform. This is a hands-on individual contributor role, focused on constructing, managing, and automating backend services that facilitate data ingestion, orchestration, governance, cost optimization, and compliance for a platform utilized by hundreds of internal users.

Whippy is at the forefront of revolutionizing business communication through AI technology. Our innovative AI Agents are transforming the way companies interact with their customers, providing solutions across customer support, marketing, and sales. By leveraging Whippy’s Voice AI and Chat AI, businesses can automate manual workflows, effectively manage inquiries, nurture leads, screen applicants, and streamline high-value engagements at scale. Our all-in-one platform replaces outdated tools with a powerful solution that enhances productivity and efficiency.About the RoleJoin Whippy as a Backend Engineer and play a crucial role in our product development.You will:Design and implement highly scalable APIs for quick deployment of new products and services.Draft Engineering Requirement Documents to guide projects from concept to execution, ensuring thorough evaluation.Develop test suites to uphold product performance and reliability, integrating analytics to track the success of launched features.Our backend engineers have successfully built:A robust Public API and webhook interface handling millions of messages.An advanced query language built on top of Postgres and OpenSearch.A production-ready URL shortening service with custom domain capabilities.About YouYou possess a strong understanding of web API architecture and a commitment to producing high-quality, well-documented APIs.You are eager to engage in the entire project lifecycle, from initial research and planning through to implementation and performance monitoring.Your excellent written and verbal communication skills enable you to convey ideas, designs, and potential solutions effectively, primarily in an asynchronous environment.What We OfferWe offer a competitive compensation package ranging from $60K to $80K annually, commensurate with experience.You will have the opportunity to take significant responsibility and ownership of a groundbreaking product.Collaborate closely with experienced entrepreneurs who have successfully built companies valued over $100M.Important InformationAs a startup, our team dynamics are unique compared to larger organizations. We are a globally distributed team, and this structure fosters a distinct collaborative culture.

At Speechify, our mission is to eliminate barriers to learning through innovative technology.With over 50 million users, Speechify transforms the way individuals consume content by converting text – from PDFs to Google Docs to websites – into engaging audio experiences. Our award-winning suite of text-to-speech products, including iOS, Android, Mac applications, Chrome Extension, and Web App, empowers users to read faster, retain more, and enjoy a richer learning experience. Recently recognized as the Chrome Extension of the Year by Google and awarded the 2025 Design Award for Inclusivity by Apple, we are committed to delivering exceptional value to our users.Our team of nearly 200 talented professionals operates in a fully remote environment, bringing together experts from top-tier companies like Amazon, Microsoft, and Google, as well as thought leaders from esteemed institutions like Stanford and high-growth startups like Stripe and Vercel.Role OverviewAs a pivotal member of our Platform team, you will be responsible for architecting and maintaining our backend services, which encompass payment solutions, analytics, subscription management, innovative product development, text-to-speech functionality, and external API integrations. This role is perfect for individuals who thrive in dynamic settings, possess strategic thinking capabilities, and are passionate about crafting user experiences that delight and engage.We embrace a flat organizational structure that empowers every team member to demonstrate leadership through technical excellence and impactful results. Strong work ethic, effective communication, and a relentless drive for success are essential qualities we seek in our candidates.Our interview process involves multiple technical assessments, with a goal of completion within one week.

About TrafileaTrafilea is an innovative Consumer Tech Platform dedicated to fostering transformative brand growth. We are developing an advanced AI Growth Engine that will propel the next generation of consumer brands.With over $1 billion in cumulative revenue, more than 12 million satisfied customers, and a talented workforce of over 500 professionals across 19 countries, we leverage technology, growth marketing, and operational excellence to scale purpose-driven, digitally native brands.We own and operate our own digitally native brands—not an agency—boasting a presence in major retailers like Walmart, Nordstrom, and Amazon, along with a robust global D2C footprint.Why Join Trafilea?We are a tech-driven eCommerce group scaling our own globally recognized DTC brands, while empowering ambitious talent to grow swiftly. We create and scale our own brands. We invest in AI and automation like few others in the eCommerce space. We experiment rapidly, grow swiftly, and support you in doing the same. Be part of a dynamic, diverse, and talented global team. 100% Remote, competitive salary in USD, generous paid time off, and more.Key ResponsibilitiesAs a Senior Backend Engineer, you will be responsible for designing and delivering robust, high-performance systems that are the backbone of our globally cherished DTC brands. Your projects will cover a wide range from core backend components to AI-driven features, with a steadfast focus on scalability, reliability, and speed.If you excel at tackling complex challenges, writing clean and efficient code, and thrive in a fast-paced, product-oriented environment, this is your chance to make a significant global impact.Architect, develop, and enhance backend services using Golang and Node.js to support millions of customers worldwide.Design, create, and maintain REST APIs that facilitate smooth integrations across products, platforms, and teams.Work with both relational and non-relational databases, ensuring optimal data modeling, querying, and performance tuning.Collaborate closely with cross-functional teams (Product, UX, Marketing) to convert business requirements into technical solutions.Implement AWS best practices for scalable deployments, security, and cost efficiency.Engage in sprint planning, estimation, and reviews within our Agile/SCRUM framework.Proactively identify and resolve technical debt, ensuring the stability and performance of our systems.

At Acorns, we are dedicated to supporting the financial well-being of aspiring individuals through innovative micro-investing solutions. Our core values shape our approach to achieving this mission. We lead with heart, making bold decisions, building trust, embracing growth, and finding ways to overcome challenges. We invite you to join us in our commitment to enhancing financial wellness for families everywhere. As a Senior Backend Software Engineer at Acorns, you will play a pivotal role in developing and scaling our essential investment products. This position goes beyond mere execution; you will ensure the technical integrity and evolution of our systems, impacting millions of customers as they build their wealth over time. You will face complex technical challenges, mentor junior engineers, and maintain robust backend infrastructure as we broaden our financial wellness offerings. Our remote-first culture provides you with the flexibility to work from anywhere, with optional access to our office in Irvine, CA.

Twindo is pioneering the transformation of the remodeling, architecture, and interior design sectors through innovative AI and computer vision technologies. Our LiDAR-enabled iPhone and iPad scans generate accurate 3D representations of homes in mere minutes, delivering interactive models with precise measurements. Our proprietary technology converts these scans into detailed, editable as-built files in industry-standard formats. Our groundbreaking technology was showcased during Apple's keynote event when the LiDAR sensor was launched, and we are currently modeling millions of square feet every month.As a globally distributed, virtual-first organization, our team spans across various regions, with significant representation in the US and Europe.We are in search of a Senior Backend Engineer to contribute to the development and maintenance of our internal platform and tools, promoting business scalability and engineering efficiency. Reporting to the Platform Team Lead, this position involves a dynamic blend of foundational backend development and DevOps responsibilities, making it perfect for individuals who thrive on diverse projects. Collaboration with our iOS, Computer Vision, Visualization & Tooling, Web, Infrastructure, and Data engineering teams, as well as other departments, will be crucial.

Canonical, a trailblazer in open-source software solutions, is looking for a Senior Software Engineer to join our Launchpad team. In this pivotal role, you will drive the evolution of our platform, which is essential for managing open-source projects. Your deep knowledge of Linux, web services, and scalable systems will allow you to refine a mature, Python-based architecture that supports major initiatives like Ubuntu. Collaborating with a global team, you will work on enhancing developer workflows and maintaining critical services, ensuring that Launchpad remains a dynamic environment for open-source contributions. This is an exciting opportunity to make a significant impact in the world of software development.

AstralAt Astral, our mission is to enhance the productivity of the Python ecosystem by developing innovative developer tools that empower developers to deliver exceptional software more efficiently.We have successfully launched Ruff, a lightning-fast Python linter and formatter, and uv, a robust Python package manager — both of which are among the fastest-growing tools in the developer community.Our ongoing initiatives include pioneering a state-of-the-art type checker and expanding our first hosted services.Our founding team comprises the creators of ripgrep, bat, hyperfine, and maturin; early contributors to Biome and Prefect; along with several CPython core developers — all innovating at the nexus of Rust and Python.The RoleWe are seeking backend and infrastructure engineers to spearhead the development of our inaugural hosted product.This role involves a full-stack, greenfield project to create an entirely new product that seamlessly integrates with Astral's open-source tools. You will collaborate with a small, dynamic team, working closely with our CEO and iterating rapidly alongside top-tier design partners.In this position, you will have a substantial impact on the technical stack and strategic direction of the product, potentially overseeing any (or all) of the following:Architecting and implementing our cloud infrastructure stack (e.g., cloud providers, hosting, deployment) with a strong emphasis on scalability and efficiency.Developing our deployment system, encompassing monitoring, metrics, and observability while managing incident response and triage.Creating and optimizing our cloud storage and content delivery strategies.Fostering a culture of continuous improvement and innovation.

About the RoleAs the Team Lead for our software development team, you will be instrumental in shaping the architecture, development, and delivery of top-tier software solutions. You will guide a talented group of developers, fostering collaboration, driving technical innovation, and ensuring robust delivery outcomes. Your role will blend hands-on coding with team leadership, empowering the team to excel in a dynamic environment.Our Tech StackLanguage: Java 17Frameworks: Spring Boot (Tomcat, Netty), Spring Data, Spring CloudArchitecture: Microservices, REST API, Message QueuesDatabase: MySQL, MyBatis, MongoDBCaching: Redis (AWS ElastiCache), ElasticSearchMessage Queue: RocketMQCloud: Kubernetes, AWSMonitoring: Grafana, Prometheus, Loki, Tempo, AWS CloudWatch, OpenTracingCI/CD: Jenkins, ArgoCDKey ResponsibilitiesLead and mentor a skilled development team across Europe, cultivating a culture of high-performance collaboration.Provide technical guidance and uphold best practices in software development, code quality, and system architecture.Engage in high-level architectural and design discussions for complex software systems.Oversee the entire development lifecycle from requirements gathering to deployment, guaranteeing timely delivery of high-quality solutions.Conduct regular code reviews, offering constructive feedback to enhance team skills and productivity.Manage team performance and support career development initiatives.Promote continuous improvement within development processes, tools, and techniques.Qualifications8+ years of software development experience, particularly in backend technologies (e.g., Java, Node.js, Python, Go, etc.).2+ years in a leadership capacity, with experience in mentoring, performance evaluations, and task allocation.Strong background in software architecture and designing scalable, reliable systems.Proven hands-on experience in backend development, with an emphasis on APIs and microservices.Exceptional communication skills in English, with the ability to manage and collaborate effectively within a diverse remote team.A passion for technology and innovation, coupled with a desire to tackle complex technical challenges.

Role Overview:Join Soum as a Mid-Level DevOps Engineer, where you will play a crucial role in designing and implementing high-performance, stable, and resilient infrastructure solutions. Your responsibilities will include architecting the infrastructure and collaborating closely with cross-functional teams to ensure seamless integration across various layers of our product infrastructure. A commitment to excellence and strong teamwork are essential qualities for success in this highly collaborative role.

Role Overview xbowcareers is hiring a Software Engineer focused on Platform and Core Infrastructure. This remote position is open to candidates based in Europe. What You Will Do Develop and maintain core systems that support the company’s technology foundation. Work to improve operational efficiency through thoughtful engineering solutions. Collaborate with cross-functional teams to deliver reliable and scalable infrastructure. Contribute ideas and technical expertise to strengthen the overall technology stack. Who We’re Looking For Solid experience in software development. Interest in tackling complex challenges in platform and infrastructure engineering. Comfort working with colleagues across different teams and disciplines. Based in Europe and able to work remotely.

Welcome to Kaizen Gaming!At Kaizen Gaming, the driving force behind Betano, we are proud to be one of the leading GameTech companies globally, actively operating in 19 diverse markets. Our mission is to harness cutting-edge technology to deliver exceptional experiences to millions of customers who rely on us for their entertainment needs.Our vibrant team consists of over 2,700 Kaizeners from more than 40 nationalities, spread across three continents.As a recognized Best Workplace in Europe and a certified Great Place to Work, we promise that no two days will be the same. Are you ready to Press Play on your potential?About the Role:As the Lead Software Engineer, you will be instrumental in guiding a talented team of software engineers in crafting and delivering top-tier software products. Your leadership will involve overseeing project execution, mentoring team members, and ensuring adherence to engineering best practices. This role seamlessly combines technical acumen with leadership and communication skills to drive both team and organizational success.

Phantom is revolutionizing the way people manage their finances with our cutting-edge money app, trusted by millions globally. Our platform seamlessly integrates the essential tools for managing, spending, and growing money into a user-friendly experience. We are dedicated to empowering users with the control and flexibility of cryptocurrency finance while eliminating unnecessary complexities from mainstream financial management.With a strong emphasis on security and user-centric design, Phantom offers sophisticated financial tools that are both powerful and accessible. This commitment to speed, control, and an exceptional user experience has propelled us to remarkable growth, garnering a community of over 20 million users, achieving the top spot in the Google Play Store finance category, and consistently ranking among the Top 50 apps across all categories worldwide.Role OverviewAs a Senior/Staff Backend Engineer, you will take charge of enhancing and maintaining the core authentication infrastructure that safeguards every Phantom account. Reporting directly to the Engineering Manager, you will lead the design, implementation, and operation of our fortified authentication stack, multi-factor authentication strategies, and advanced key-management services. Your contributions will significantly mitigate account takeover risks and provide robust identity solutions for all product teams.

Join Raya as a Senior Backend Engineer, where your passion for backend engineering will be recognized and valued! We are looking for an experienced professional excited to work within a Node.js environment. The ideal candidate will possess over 6 years of progressive experience, showcasing both results and leadership capabilities in their previous roles. This is a pivotal moment for our backend team as we navigate through a phase of significant growth.At Raya, we believe in fostering a culture of learning and collaboration, empowering our team members to lead solutions to challenging problems and evolve into their best selves. You will play a crucial role in supporting our backend initiatives in messaging, connectivity, and location-based mapping projects. A successful candidate will demonstrate diligence in designing scalable software architecture and embrace Raya’s vision of enhancing lives through meaningful, in-person connections.We offer a robust benefits package that includes comprehensive medical and dental coverage, a daily food delivery allowance of $50, equity-based compensation, a vibrant company culture, ample learning opportunities, unlimited vacation, 12 weeks of paid parental leave, and an annual $1,000 travel stipend for personal growth and exploration, reflecting our core values of human connection, empathy, and curiosity.

About the RoleWe are seeking an experienced and motivated Senior Backend Engineer (generalist) with a robust background in Java and preferably Kotlin to join our dynamic team. In this remote position, you will play a pivotal role in developing our product from the ground up. Your responsibilities will include integrating with enterprise systems, scraping and analyzing large datasets, and creating systems that empower users to utilize LLMs for generating scalable sales insights—extracting critical information from millions of public documents.You could be the ideal candidate if you: Are an accomplished developer with experience in Enterprise B2B SaaS or Big Data processing within the JVM ecosystem, with Kotlin as a plus.Have a history of impactful engineering experience in a startup or smaller organization.Are enthusiastic about engaging in all aspects of backend development and have experience collaborating within small teams in fast-paced startup environments.Possess familiarity with the following technologies: Kotlin (Backend)Google Cloud Platform (GCP)Google Cloud SQL for PostgreSQLFirebasePythonHave experience with any of the following (not mandatory):Natural Language GenerationEnterprise API integrationsPrompt EngineeringLarge Scale Web Scraping & ParsingAre proficient in both written and spoken English.Our Work CultureCustomer-Centric Approach - We pride ourselves on putting customers at the heart of everything we do.Rapid Execution - We operate with a sense of urgency and decisiveness, always striving to gain momentum.Joy in the Journey - We intentionally create an environment that is both energizing and enjoyable, fostering camaraderie and resilience within our teams.Hands-On Engagement - We believe that the best ideas emerge from close engagement with our work, embracing challenges and complexities.