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    Staff Full Stack Engineer ( New )

    Staff Frontend / Full Stack Engineer Remote / Hybrid UK ( Must have access to the Belfast office ) Permanent The Opportunity OCHO is partnering with a product-led technology organisation seeking a Staff-level Frontend / Full Stack Engineer to help shape the future of its product platform and frontend architectur ...

    Senior Software Developer

    About The Role We are seeking a Senior Developer based in London to design, build, and operate backend services for our global payment gateway system. You will develop high‑performance, secure microservices using Java and Spring Boot, collaborate closely with platform, product, and infrastructure ...

    Software Developer / Tech Generalist (m/f/d)

    Software Developer / Tech Generalist (m/f/d) We’re looking for a Software Developer / Tech Generalist to join our Platform Team as developer #3. We need someone who thrives on variety - you’ll jump from AWS infrastructure to no-code automations, from debugging Python backends to optimising custom ...

    .NET Developer (.NET Coder)

    LocationBasildon, UK , United Kingdom# .NET Developer (.NET Coder) at N Consulting LtdLocationBasildon, UK , United KingdomSalary£300 - £350 /dayJob TypeContractDate PostedApril 15th, 2026Apply NowRole: .NET Developer (.NET Coder) Location: Basildon, UK (Onsite) Duration: ContractRole OverviewWe are looking fo ...

    Go Backend Engineer — AI‑Powered FinTech

    A UK-based FinTech firm is seeking a Software Engineer specializing in Go to join their team. The role involves developing high-performance back-end services and collaborating with cross-functional teams. Ideal candidates should have strong skills in Go, JavaScript, CSS, HTML, and experience with AI tools for im ...

    Senior Scala Backend Engineer — Hybrid London

    Rise Technical Recruitment is seeking a Senior Backend Engineer experienced in Scala to join their hybrid team in London. The role offers competitive pay up to £85,000, regular pay reviews, and benefits, including healthcare and life insurance. As part of a pioneering team in the tech-led insurance sector, you w ...

    Senior Backend Engineer AI Healthcare Platform

    black.ai is searching for a Senior Software Engineer to develop backend features for their AI Care Partner, supporting UK clinicians. The role requires strong backend development skills, architectural knowledge, and the ability to translate technical needs into user-oriented solutions. Ideal candidates will have ...

    Backend Software Engineer – Golang/C# (Hybrid)

    bet365 Group is seeking a full-time Software Developer in Stoke-on-Trent to work within a talented team to deliver high-quality solutions on Linux and Cloud platforms. You will enhance our flagship Sports systems and tackle challenges in building low-latency, scalable solutions while gaining exposure to Golang. ...

    Backend Engineer for Sustainable AI Platform

    Homerun B.V. is seeking a Software Engineer (backend) in Westminster, England. The role involves building a digital platform, designing services and APIs, and contributing to data architecture. Ideal candidates have 4+ years of backend experience, proficiency in TypeScript/Node.js, and strong data modeling skill ...

    Backend Infrastructure Engineer: Scale & Secure Systems

    A leading software company in Greater London seeks a Backend Software Engineer to build scalable and performant systems, tackling real-world problems with innovative solutions. The role involves collaborating across teams and working autonomously to create APIs and systems that support impactful products. Candid ...

    Senior Backend Engineer — Remote, Equity & Growth

    An AI‑powered business planning platform in Greater London is seeking skilled software engineers to develop and maintain their SaaS platform. Candidates should have strong software engineering skills, proven experience with object-oriented languages, and a good problem-solving attitude. The company offers a comp ...

    Golang Backend Engineer – Fintech (AWS, Docker)

    Hyperlayer in Greater London is expanding its software engineering team and is seeking skilled Golang Developers with a minimum of four years of experience. You will be designing and developing scalable, high-performance applications while working closely with cross-functional teams. Key qualifications include s ...

    Backend Engineer, AI Driven Customer Capabilities

    Compare the Market is seeking a Software Engineer - Customer Capabilities in London. The successful candidate will build scalable backend services and APIs using Node.js while collaborating with various teams to deliver innovative, AI-enabled products. Strong Node.js skills and experience with scalable APIs are ...

    Senior TypeScript Backend Engineer – Hybrid London

    The BBC is seeking a Senior Software Engineer to join the Audio Mobile Business Layer team in London, working hybridly. In this role, you'll develop REST APIs using TypeScript and lead the migration to a new framework. The position offers training opportunities, a healthy work-life balance, and the chance to wor ...

    Senior Java Backend Engineer Scalable Microservices

    Wise is seeking a Senior Software Engineer in Greater London, UK, to lead projects that enhance the verification processes for customers. You will be responsible for the technical roadmap, design robust backend systems, and ensure compliance with industry standards. Ideal candidates will have 4+ years of experie ...

    Rust Kernel Engineer – Scalable Backend & Observability

    hyperexponential is looking for a Software Engineer for the Kernel Team to design and deliver features for their AI-powered platform. The role involves enhancing a modular architecture and building automated tests for complex execution scenarios. Candidates should be experienced in backend systems development us ...

    Senior Backend Engineer (Kotlin) — Fintech, Hybrid

    Apron, a leading fintech company, is looking for a Backend Engineer to join their world-class Engineering team. The successful candidate will have 6-15 years of experience and will work cross-functionally to build innovative products such as Capture and Bill Pay while focusing on system design and core financial ...

    Senior Java & Kotlin Payments Backend Engineer

    Hydrogen Group is seeking several Senior Software Engineers with strong payments domain experience to join a growing team in Greater London. Candidates should have commercial experience with Kotlin, Java, TypeScript, and knowledge of payment gateways. This role involves delivering large-scale integrations and co ...

    Senior Backend Engineer (Ruby on Rails)

    Senior Backend Engineer (Ruby on Rails) Location: London (Paddington) – Hybrid (3 days in office) – Full-time. We’re building the operating system for the future of fertility care and we’d love you to help us deliver it. Who You Are You’re the kind of engineer who sees a ...

    Cloud Native Backend Engineer | AWS & Microservices

    Limelight Health, based in Norwich, is looking for a skilled developer to design and implement cloud-native applications and microservices. This role focuses on creating scalable solutions using AWS and .NET Core, integrating with various services in the insurance sector. Ideal candidates will have strong experi ...

    Senior Backend Engineer Kotlin Microservices (Remote)

    Pleo is seeking a Senior Backend Engineer in Greater London to enhance backend systems, focusing on Kotlin and microservices. You will lead initiatives to improve scalability and collaborate with diverse product teams. The role demands strong problem-solving skills and is suited for those passionate about innova ...

    Staff Backend Engineer / Tech Lead Manager

    Overview Nebius is leading a new era in cloud computing to serve the global AI economy. We create the tools and resources our customers need to solve real-world challenges and transform industries, without massive infrastructure costs or the need to build large in-house AI/ML teams. Our employees ...

    Kotlin Backend Engineer — Payments & Distributed Systems

    Katanox is seeking a Software Engineer to enhance backend systems that manage transactions in the hospitality sector. Your role will center on developing secure, high-availability services handling real payments and bookings. Ideal candidates will have strong Kotlin or Java backgrounds, delivery ownership, and a ...

    Senior Backend Engineer: Data Pipelines & Platform

    Kpler is seeking a Senior Data Engineer in Greater London to manage data pipelines and backend systems critical to refinery operations. The role involves designing, building, and improving data workflows, collaborating with cross-functional teams to ensure pipeline reliability, and mentoring junior engineers. Ca ...

    Java Backend Engineer – Secure Intelligence Platform

    hackajob is seeking a Java Engineer to join Envitia's Security and Intelligence consulting team in Gloucester. You will design and develop high-performance backend systems and APIs, ensuring the security of applications in classified environments. You will work collaboratively with multi-disciplinary teams to de ...

    Node.js/TypeScript Backend Engineer Hybrid & Scalable

    hackajob is seeking a Node.js/TypeScript Backend Engineer for Sainsbury’s DTD in London. The role involves designing and implementing server-side logic within a microservices architecture, facilitating the delivery of scalable services. The successful candidate will have a strong understanding of engineering pri ...

    Staff PHP Engineer – Fintech Backend & Systems

    hackajob is hiring a Staff PHP Engineer in Greater London to work on our Zable Card and internal tools. This role involves building and integrating APIs, optimising platforms, and engaging in architectural discussions. The ideal candidate has strong PHP development experience, knowledge of frameworks like Symfon ...

    Lead API Platform Engineer – Backend & APIs

    Mastercard is seeking a Lead Software Development Engineer for the API Platform in Greater London. This role involves leading the design and development of technical solutions for global customers, focusing on creating innovative APIs. Ideal candidates will have 8+ years of backend development experience, strong ...

    Senior Software Engineer — Scalable Backend & AI

    G.Digital is a fast-growing tech company in the UK looking for a Senior Engineer to design and build scalable systems. This role offers the chance to influence architecture, collaborate in a polyglot environment, and work on AI-driven features. Candidates should have strong backend or full-stack experience, alon ...

    Senior Backend Engineer (Golang) – Scalable Microservices

    Socure is looking for a skilled software engineer in London to architect, develop, and maintain scalable backend services. The ideal candidate will have 5–8 years of experience with strong proficiency in Golang and a solid understanding of system design. Responsibilities include designing tests to ensure reliabi ...

    Senior Backend Engineer, Payments Gateway — Belfast

    Global Payments is seeking a Senior Software Engineer in Belfast with expertise in server-side development using C# .NET. The role involves designing and implementing high-quality features, driving improvements in development processes, and mentoring junior engineers. Ideal candidates will have a degree in Compu ...

    Senior Software Engineer (Backend / Product Focused)

    London (hybrid) We’re working with a fast-growing consumer platform scaling both its product and engineering team. This is a backend-leaning, product-focused role where engineers own features end-to-end, from idea through to production. You’ll be building systems that directly impact users, ...

    Backend Engineer — FinTech Infra & Scale (London)

    Story Terrace Inc. is hiring a Backend Engineer in London to build and scale financial infrastructure. This role involves designing secure, high-performance systems, improving compliance, and optimizing operations. Ideal candidates will possess strong backend architecture skills and experience in fintech or regu ...

    Senior Backend Engineer Golang, Cloud & DevOps

    Zaizi is seeking a Senior Software Developer in Greater London. The role requires strong technology skills in Golang, front-end technologies, and Agile development. Candidates must have experience working in multi-disciplinary teams and be able to demonstrate leadership capabilities. A passion for improving user ...

    Backend Engineer, Fintech Platform — Scale & Security

    nsave is seeking a Backend Engineer to help scale its cloud infrastructure for financial services. The role involves designing secure systems, enhancing compliance, and collaborating closely with the engineering team. Candidates should possess strong software engineering fundamentals and familiarity with backend ...

    Senior Backend Engineer – MACH Microservices (Hybrid)

    Develop is seeking a Senior Backend Software Engineer to join their hybrid team in Mansfield. This role involves shaping backend architecture and delivering scalable systems while working across critical services. Candidates must have extensive experience with TypeScript, Node.js, and microservices, alongside st ...

    Remote Backend Engineer (C#/Azure) — Microservices

    Triumph Research Intelligence, located in Cambridge, is seeking a back-end Software Engineer to help develop its Risk Based Quality Management platform. The ideal candidate will take ownership of complex features, ensuring a high standard of coding while collaborating within a flexible, remote-first environment. ...

    Kotlin/Java Backend Engineer, Cloud Microservices

    Capgemini is seeking a Backend Software Engineer based in Sheffield, United Kingdom. The role focuses on developing scalable, cloud-native microservices and APIs using Kotlin and Java. Collaborating with cross-functional teams, you'll participate in architectural discussions, maintain strong coding standards, an ...

    Backend Engineer II — Remote UK (Golang)

    CybSafe is looking for a highly skilled Software Engineer to join its dynamic team. This role involves designing, developing, and deploying advanced software solutions. You'll collaborate with cross-functional teams and mentor junior engineers. The ideal candidate has 3-5 years of experience with Golang, strong ...

    Senior Backend Engineer — Cloud Security & Scale

    Wiz in Greater London is seeking an Expert Backend Engineer to join their expanding R&D team. In this role, you will develop and maintain large-scale distributed backend systems, working with technologies such as Golang, Docker, and Kubernetes, within a multi-cloud architecture including AWS and Azure. Ideal can ...

    Software Engineer (Frontend / Backend / Full Stack)

    Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific client ...

    Platform Backend Engineer: APIs, Payments & TTS

    Speechify is looking for a Software Engineer to design and maintain backend services in a fully remote setting. Ideal candidates will have experience with GCP and cloud providers, knowledge of Docker, and be skilled in developing APIs to optimize performance. The role requires collaboration with cross-functional ...

    Senior Backend Engineer: Scale Secure Microservices

    Bauer Media is looking for a Senior Back-End Engineer based in Manchester, UK. You will lead the development of back-end services using Go, TypeScript, PHP, and SQL, and mentor junior engineers. This role is pivotal in shaping Bauer's digital platforms, requiring strong skills in AWS and DevOps principles. The p ...

    Backend Software Engineer Java Kotlin AWS

    Backend Software Engineer Java Kotlin AWS (PR/ ) London, England Salary: GBP - GBP per annum + equity + benefits Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £120k Would you like to progress your career in an impactful hands‑on Backend Software Engin ...

    Senior Data Architecture Lead Backend Systems

    Citi is seeking a Data Architecture Lead Analyst in Greater London. This senior technical role is responsible for establishing and implementing backend application systems designs, leading database program development using technologies like Python, Oracle, and Snowflake. The ideal candidate will have proven exp ...

    Backend Engineer at Miro – London, UK

    OurAI Platform team drives the success and innovation of Miro’s AI-powered product vision. We are responsible for building the internal platform, tooling, and APIs that enable Miro’s product teams to seamlessly integrate and scale AI use cases. Our mission is to establish a robust and flexible tech ...

    Lead Backend Engineer — AWS, Microservices & AI

    Tenth Revolution Group is seeking a Lead Software Engineer to design and build scalable backend systems. This hands-on role involves developing microservices, working with cloud-native infrastructure primarily on AWS, and contributing to AI-enabled workflows. Ideal candidates will have experience in building API ...

    Senior Backend Engineer — Hybrid, Scalable Backends

    Holland & Barrett is looking for a Senior Backend Engineer to enhance their digital experience. You will design scalable backend systems, build quality services for web and mobile, and mentor fellow engineers. This hybrid role requires strong expertise in Java, Spring Boot, and Golang, alongside a solid understa ...

    Senior Backend Engineer — Business Pricing & Growth

    hackajob is looking for an experienced Backend Engineer to join the Business Pricing team in Greater London. The successful candidate will have at least 5 years of experience in Java or Kotlin and strong knowledge of the Spring framework. In this role, you will lead a talented team, develop new features, and enh ...

    Senior Backend Engineer (TypeScript) — Hybrid, London

    MANUAL is looking for a Senior Backend Engineer to lead major backend features. The ideal candidate should have over 5 years of experience in backend development, be proficient in TypeScript, and be confident in using AI tools. This hybrid position in London involves working closely with the lead engineer, makin ...

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      Backend Developer Python Nodejs Jobs in United Kingdom Job Search Guide, Trends and Insights