Software Engineer (Backend) United Kingdom Jobs

Join a remote-first, global team as a Senior Java Software Engineer. You'll build and maintain the core backend platform, focusing on stability and reliability for complex systems. This role requires strong Java fundamentals and a proactive mindset. Enjoy high autonomy in a low-ego, quality-drive...

Join a leading crypto company in London as a Senior Backend Engineer. Design and scale high-performance, event-driven systems for real-time blockchain transactions. Leverage your expertise in distributed systems and Python/C++/Java, with a move to Rust. Build impactful infrastructure in a fast-pa...

Join Junction as a Backend Software Engineer to build scalable infrastructure for diagnostic healthcare. Design reliable APIs and distributed systems to process high-volume medical and wearable data. Enjoy a remote-first role with equity, learning budgets, and global team offsites. Help make heal...

Join Apron in London as a Senior Backend Engineer to build secure, high-speed financial systems. We seek an expert with 6+ years' backend experience, proficiency in Kotlin/JVM, and cloud platform knowledge. You'll develop core integrations in a product-led startup, enjoying a competitive salary, ...

Join Profound in London as a Backend Engineer to build scalable infrastructure for AI-driven insights. You will design high-performance APIs, optimize data pipelines, and ensure system reliability using Node.js/Python/Rust and cloud platforms. This role offers equity and a full benefits package i...

Join our London team as a Senior Backend Engineer specializing in EMR/EHR integrations. You will design and build critical healthcare API connections using standards like HL7 and FHIR, with Python/FastAPI. This hybrid role offers equity, wellness days, and a direct impact on AI-powered clinical w...

Join Encord's ambitious team in London as a Backend Software Engineer. Drive high-impact projects from concept to deployment, tackling complex challenges across the full stack. We value builders who thrive on ownership, problem-solving, and scaling AI infrastructure. Enjoy a competitive package w...

Join our UK-based team as a Backend Software Engineer specializing in Node.js and TypeScript. You will design and enhance our event-driven content pipeline using microservices, Kafka, and AWS. This role involves building CI/CD processes and collaborating within an Agile/Scrum environment to power...

Join our Cloud Wallet team in London as a Staff Backend Engineer. Build robust, scalable services in a polyglot environment using Scala and TypeScript. A passion for functional programming, blockchain technology, and teamwork is key. Enjoy equity, hybrid work, and comprehensive health benefits.

Join our Cloud Wallet team in London as a Staff Backend Engineer. Build robust, high-performance Scala services for crypto wallet management in a hybrid work environment. Leverage functional programming, optimize with CI/CD, and dive into blockchain protocols. Equity, comprehensive health insuran...

Join Addepar's Platform Services team in Edinburgh as a Backend Software Engineer. Develop resilient distributed services using Java and modern infrastructure like Kubernetes. Drive innovation in a collaborative environment that values autonomy and solving complex challenges.

Join Addepar's high-impact Partner Platform team in Edinburgh as a Staff Backend Software Engineer. You will design scalable backend systems and data integration pipelines using Python and big data frameworks like Spark. Collaborate cross-functionally to build solutions on our data lakehouse arch...

Join a leading London travel tech company as a Backend Software Engineer. This hybrid role requires 3+ years' backend experience, a passion for API design, and knowledge of the travel industry. Work with Elixir on innovative projects while enjoying a flexible schedule and professional growth oppo...

Join our fast-growing team in Oxford or London as a Backend-Focused Software Engineer II. You will design, build, and deploy robust backend systems using Java, GraphQL, Kubernetes, and AWS. This full-stack role offers competitive compensation, flexible scheduling, and comprehensive benefits. Rele...