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    • 2,122,296+ Full Stack Java Developer Fixedterm Contract Jobs in UK — Top Companies Hiring June 2026

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    Senior CPU Performance Developer Technology Engineer

    We are now looking for a Senior CPU Performance Developer Technology Engineer. NVIDIA is seeking an outstanding computer scientist to join its Compute Developer Technology (Devtech) team. This role focuses on research and development techniques to optimize key Cloud and HPC CPU workloads on NVIDIA’s CPU. T ...

    Senior Application Engineer

    Company Description Telefónica Tech (part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 exceptionally skilled employees and +60 nationalities. We serve more than 5.5m customers every day in over 175 countries, with a global eco ...

    Senior Java Engineer — Agile Leader & Mentor

    Heywood, a leader in pensions administration, is seeking an experienced Java developer to join their team in Altrincham. The successful candidate will drive innovative solutions and collaborate with cross-functional teams to shape impactful features and products. You'll be empowered to use modern engin ...

    Cloud DevOps Engineer AWS, Terraform & Kubernetes

    Mercator Group is seeking a Software Developer (Java) for their Crowborough office. In this role, you will design and optimise cloud infrastructures, primarily using AWS, and work closely with client teams to deliver impactful digital services. The ideal candidate will possess substantial experience wi ...

    Senior Backend Engineer Java/Spring, SC Clearance

    Coltech is seeking an experienced Software Developer / Engineer to join a secure, large-scale financial services programme in Greater London. This role involves hands-on engineering within a collaborative team, enhancing critical backend services in a distributed architecture. The ideal candidate will ...

    Senior eFX Developer (VP) – Low Latency FX Trading Lead

    EC1 Partners is seeking a Senior eFX Developer to join the London team. This role involves developing cutting-edge high-performance trading systems in Java and Rust and working closely with trading and quant teams. The ideal candidate will have over 10 years of software development experience in financ ...

    Backend Engineer: Real Time Data Orchestration (Java/Go)

    Cirata is seeking a Software Engineer for its Symphony Engineering Team in Belfast. The successful candidate will have 2+ years of experience, focusing on backend services in Java and Go, working on enterprise-scale systems with a hybrid work model. The role emphasizes real-time data orchestration and ...

    Innovative Games Designer for iGaming Studio

    Playtech is looking for a proactive and experienced Games Designer/Game Developer to join its innovative Logic Labs Studio in Greater London. The role involves collaborating with teams to develop game ideas, create mathematical models, and refine game mechanics for an engaging player experience. The id ...

    Senior Software Engineer — Build Scalable Systems & Mentor

    The Abbey in Manchester is seeking a Senior Developer to join their collaborative engineering team. This role offers the chance to work on innovative, large-scale software solutions that serve a growing customer base. You will design high-quality software and tackle complex challenges in a supportive environm ...

    Senior React Engineer — UI, Next.js & APIs

    Java Script Works is seeking a Senior React Developer to join their collaborative engineering team in Greater London. This role involves designing and developing user interfaces using React.js, alongside PHP, Node, and Python developers. You will play a key role in creating high-quality software soluti ...

    Remote WordPress Front End Specialist

    Java Script Works is looking for a talented Front-End Developer to join for a duration of 3-4 weeks. The role involves building two Wordpress websites and configuring various plugins to ensure a smooth user experience. The ideal candidate will have proven experience in front-end development, proficienc ...

    Backend Engineer – Java/Spring Boot & Python (Hybrid London)

    Methods Business and Digital Technology Ltd is seeking a Back-end Developer specializing in Java Spring Boot and Python to join their private sector team in London. This hybrid role requires 3 days on-site each week. The successful candidate will lead the rebuild of core architecture, optimize technical connecto ...

    Senior Backend Squad Lead | Cloud, APIs & Data (6p)

    T2M Resourcing is looking for an experienced software developer to lead a pod of talented developers in Newcastle. This role focuses on back-end development and requires expertise in C#, Java, and Python, as well as strong leadership skills. Ideal candidates will have a passion for solving complex engi ...

    Frontend Engineer React UI, Agile & CI/CD

    Java Script Works in Manchester seeks a skilled front-end developer to design and build engaging user interfaces using React. You'll work on an experimentation platform within a dynamic engineering culture that emphasizes agile practices and CI/CD. Ideal candidates should have a strong understanding of high-qual ...

    Senior Oracle APEX Architect

    Projects Expert UK Limited is seeking an experienced APEX developer to create and design bespoke solutions using the Oracle APEX toolset. The role requires demonstrable knowledge of Oracle APEX and complex PL/SQL code development, with additional skills in Java, SQL, and Cloud technologies. The ideal candidate s ...

    Senior Real Time Trading Systems Developer

    White Swan Data seeks a Senior Software Developer in London to join our dynamic engineering team. You'll design and develop low-latency data processing pipelines and maintain integrations with trading platforms. Ideal candidates will have proficiency in Python, Java, and Google Cloud Platform, along with expe ...

    Senior Real Time Trading Systems Engineer

    White Swan Data is seeking a Senior Software Developer to join our Engineering team in London. You'll design and optimize low-latency data processing systems that execute automated trading strategies. A dynamic environment fosters collaboration and innovation, where your contributions significantly impact our ...

    AI Fleet Management Leader — Platform, Flexible Location

    Spotify is looking for a leader for the Platform Developer Experience (PDX) team, focusing on building AI-native backend systems. The ideal candidate will have over 5 years of backend engineering expertise in Java, Python, or Node.js, along with 3+ years leading engineering teams. This flexible role allows for r ...

    Fintech PHP & JavaScript Engineer

    Java Script Works is hiring a PHP JavaScript Developer in Greater London to join a rapidly growing fintech company. Candidates should be proficient in JavaScript, especially in object-oriented and asynchronous programming, along with PHP, HTML5/CSS3, SQL, and GIT. Experience with Node JS and Angular JS is a plus ...

    UI Developer Finance Trading UI (React/Angular, D3)

    Java Script Works is seeking a UI Developer to enhance the MarketsOne trading platform. The ideal candidate will have strong proficiency in JavaScript, TypeScript, and experience with Angular or React. Responsibilities include developing scalable, data-intensive applications and customizing styles using CSS/SASS ...

    Platform Lead Developer: Cloud‑Native Backend & APIs

    VOIS is seeking a Platform Lead Developer to design, build, and maintain cloud-native services for Vodafone’s Digital & IT Platform. This role involves collaborating with cross-functional teams to deliver secure and scalable digital capabilities. Candidates should have over 7 years of software engineer ...

    Senior Java Back End Engineer AWS (Remote UK)

    A health tech company is looking for a senior software developer to enhance an AWS-based platform for sharing medical diagnostics. You will need a degree in Computer Science and strong skills in Java, as well as knowledge of AWS. The role emphasizes collaboration with stakeholders to define software requirements ...

    Senior Backend Engineer — AI Powered SaaS

    A fast-growing tech company in the UK is looking for a Back-end Developer to work closely with the Product team and Data Scientists. The role involves designing and maintaining back-end services while ensuring high performance and reliability. The ideal candidate should have a degree in Computer Science, 3-5 yea ...

    Senior Backend Engineer Java/Go Microservices & Security

    A technology solutions provider is seeking a backend developer skilled in Go and Java for developing secure, scalable applications. The role involves working within a team focused on mobile security, delivering innovative features and enhancements. Candidates must have expertise in REST APIs, microservices, and ...

    IT Development Lead for SME Growth & Innovation

    A growing IT firm based in Washington, England, is looking for a Developer to play a crucial role in supporting and developing applications to help double turnover over the next five years. Ideal candidates will possess strong programming skills in Java Script, SQL, HTML, and XML. This is a unique opportunity to ...

    Senior Endur Developer for Trading & Risk

    Infosys Consulting in Greater London is seeking an experienced developer specializing in Endur to drive software solutions for the energy sector. You will join a dynamic team dedicated to delivering value through innovative trading and risk management systems. Your role involves developing Endur soluti ...

    Senior Java Test Engineer – Cloud Automation & API QA

    Korn Ferry is seeking a Senior Software Developer in Test specializing in Java and Cloud Automation for a project in London. This role requires expertise in designing scalable test solutions through automation practices, ensuring the quality of complex data pipelines, and fostering TDD/BDD methodologies. ...

    Java & C++ Software Engineer Hybrid (Oxfordshire)

    Halliburton in Abingdon is seeking a skilled Software Developer to join their team. This hybrid position requires working on new products and features using Agile methodologies, collaborating with architects and developers. The ideal candidate should have over 4 years of Java and C++ experience, famili ...

    Senior Backend Engineer – AI Powered SaaS, Scalable

    A fast-growing AI company in Greater London seeks a Back-End Developer to collaborate with the Product team and Data Scientists. You will play a key role in designing and maintaining systems for AI-powered products. The ideal candidate has 3-5 years of back-end development experience, proficiency in programming ...

    Java Microservices Engineer Hybrid, Cloud & AWS

    Accenture is seeking a Java Developer in Newcastle upon Tyne to provide innovative solutions across a variety of industries while working in a hybrid environment. The ideal candidate will have strong experience with JDK 11+, Spring Boot, and enterprise middleware platforms. Offered is a competitive sal ...

    TypeScript Node.js Engineer for AWS IoT & Vision

    Java Script Works is looking for a TypeScript Node.JS Developer to join their cloud services team in London, UK. The role involves developing a workflow and process management system that harnesses real-world IoT device data, including location tracking and computer vision. The successful candidate will have the ...

    AI Fleet Orchestration Engineering Lead

    Dangote Industries Limited is seeking an experienced leader for the Platform Developer Experience team to drive the development of AI-native backend systems. You will shape how AI is integrated into platform infrastructure, thereby improving how developers ship software at scale.The ideal candidate has ...

    Lead Developer

    Lead Developer Salary: £65,000-70,000 | Location: Manchester - Hybrid | Tech: .Net / C# Maxwell Bond have partnered with a Business Services organisation, who are looking for a Lead Developer to join on a permanent basis. This is a fantastic opportunity for someone who enjoys hands‑on dev ...

    NodeJS Developer Fintech in London Quant Capital

    Experience & Skills Experience may have occurred at school. HTML5 TypeScript/JavaScript NodeJS Proficiency in building responsive web applications using React. Testing through Unit to Integration test suites with tools like Junit, Cucumber, and Selenium. S ...

    Fintech NodeJS Developer Hybrid & Growth Focused

    Experience & Skills Experience may have occurred at school. HTML5 TypeScript/JavaScript NodeJS Proficiency in building responsive web applications using React. Testing through Unit to Integration test suites with tools like Junit, Cucumber, and Selenium. S ...

    Systems Developer

    Systems Developer page is loaded## Systems Developerlocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: JR172**At Antares, our success starts with our people. We're a collaborative and an inclusive organisation where every voice is valued, and every individual can grow and thrive.**We ...

    Full Stack Engineer $5.5M Backed AI Startup (Real Estate) London £70 110k

    London (5 days a week in-office) I am teamed up with an AI driven scale up who are building the AI agent layer for one of the world's most fragmented, inefficient industries. Backed by Entrepreneurs First and top-tier VCs with over $5.5M raised, they're live with estate agencies across the UK and ...

    Full Stack Marketer at a 20% MoM company selling to tech founders

    Full-Stack Marketer at a 20% MoM company selling to tech founders Get AI-powered advice on this job and more exclusive features. TL;DR We're a video production agency for tech companies, growing 20% month-over-month and we need a full‑stack marketer to help us become the best in ...

    Senior MLops (Full Stack) Engineer | London | Foundation Models in London SoCode Recruitment

    Why Join Us? Tackle the biggest challenge in AI - Be part of the mission to bend the What you'll do Build and maintain APIs (FastAPI or similar) to serve ML models Design and manage robust ML infrastructure using Kubernetes, Docker, and Terraform Deploy mach ...

    Staff Software Engineer, Full Stack (m/f/d) London, England, United Kingdom

    Staff Software Engineer, Full Stack (m/f/d) London, England, United Kingdom About the Company Affinidi is a technology company dedicated to changing data ownership for good. We empower businesses and individuals with control and ownership of their data, with a comprehensiv ...

    Senior Full Stack Software Engineer Communications Team in Windsor Neilson Financial Services

    Collaboration Bias for initiative is critical for success on this team. Responsibilities Build modern, responsive UI components using Vue.js (2/3)/ Vuex or React, Angular etc. Experience with common front-end development tools such as Babel, Vite, Webpack, NPM, etc ...

    Full Stack Engineer Global Fintech (Joining AI Innovation Team) £80k + bonus TypeScript/ [...]

    I am recruiting for a Full-Stack Engineer for an AI Innovation Team for a leading global fintech. This brand new team (embedded within a major global fintech powerhouse) will be building a brand new AI Platform (AI‑driven compliance technology for a platform used across nearly 30 markets) <p ...

    Snr Software Engineer Full Stack (C# .Net) (Remote in the United Kingdom)

    About KnowBe4KnowBe4, the provider of the world's largest security awareness training and simulated phishing platform, is used by tens of thousands of organizations around the globe. KnowBe4 enables organizations to manage the ongoing problem of social engineering by helping them train employees ...

    Mid Senior Full Stack Engineer // Node.js, Next.js, TypeScript & AWS // Salary range £60K £[...]

    Mid - Senior Full Stack Engineer // Node.js, Next.js, TypeScript & AWS // Salary range £60K - £90K // Tech For Good - E-Commerce - Start Up // LDN (Hybrid 3 days per week) I am currently working with an exciting tech for good e-commerce company who are looking for a full stack engineer to come and jo ...

    Software Engineer II FX Services Full Stack in London JPMorgan Chase & Co.

    Software Engineer II - FX Services Full‑Stack London, United Kingdom Within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.). Experience with Python, NodeJS, TypeScript , and React Hands‑on experience with SQL dat ...

    Software Developer FinTech

    3 days ago Be among the first 25 applicants This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Software Developer ...

    Intermediate Java Software Engineer

    Department: Experience Design & Development Company Description Version 1 has celebrated over 26 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapi ...

    Java Backend with Microservices

    <p style="margin-bottom:20px"> Seeking an experienced Overseas Contractor with 5 to 7 years of expertise in Java Microservices to design and develop scalable backend solutions</p> <p style="margin-bottom:20px"> Job Description </p> <p style="margin-bottom:20px ...

    Experienced Backend Java Developers

    **_Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we bu ...

    Senior Java Software Engineer

    Would you like to help create products to support the sharing of scientific knowledge? Do you enjoy collaborating to solve complex technical problems? About the Business: A global leader in information and analytics, we help researchers and healthcare professionals advance scienc ...

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      Full Stack Java Developer Fixedterm Contract Jobs in United Kingdom Job Search Guide, Trends and Insights