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    • 2,439,857+ Full Stack Java Developer Fixedterm Contract Jobs in UK — Top Companies Hiring June 2026

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    Ruby on Rails Developer

    Salt Farnborough, England, United Kingdom Ruby on Rails Developer Salt Farnborough, England, United Kingdom This range is provided by Salt. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Location: Farnborough GU14 </s ...

    WordPress Developer

    WordPress/PHP Developer – ContractAre you a WordPress/PHP developer with a strong grasp of front-end fundamentals and API integration? This is a part-time contract opportunity to support a core B2C product in the edtech sector. The platform is already live and in use.You’ll wor ...

    WordPress Developer

    WordPress/PHP Developer – ContractAre you a WordPress/PHP developer with a strong grasp of front-end fundamentals and API integration? This is a part-time contract opportunity to support a core B2C product in the edtech sector. The platform is already live and in use.You’ll wor ...

    QA Engineer (Associate) in London Calastone

    QA Engineer (Associate) London, United Kingdom Posted 9 months ago This is a job posted by our partner Jooble Tech stack API SQL UI Databases Java C REST QA Engineer Tools and Technique ...

    Senior Backend Engineer in Cardiff Backbase

    Senior Backend Engineer Cardiff, United Kingdom Posted 9 months ago This position is posted by our partner Jooble. Tech stack Apache Microservices Java Backend Spring Framework Job Responsibilities You will encoun ...

    Graduate Software EngineerAbout the Role: in London S&P Global

    Graduate Software Engineer Location: London, United Kingdom Posted about 1 year ago Tech Stack Computer Science Software Engineer Java Python Scala Data Structures Clojure Requirements </h ...

    Senior / Solutions Architect Long Term Savings in Alderley Edge Royal London Group

    Senior / Solutions Architect - Long Term Savings AlderleyEdge, UnitedKingdom Posted 9 months ago This is a job posted by our partner Jooble Company Royal London Group Tech stack APIs Azure Java CI/CD <li ...

    Principal Data Scientist AI in London Opus 2

    Principal Data Scientist – AI London, United Kingdom Posted 11 months ago Tech Stack TypeScript Java Artificial Intelligence Python Requirements Proficiency in Python, with experience building and mainta ...

    Senior Software Engineer in Gosport STS Defence

    Senior Software Engineer Gosport, United Kingdom Posted 10 months ago Tech stack: Linux Computer Science Software Engineering Web Development Java HTML5 CSS JavaScript Degree Qualif ...

    Senior TS Full Stack Engineer AI Driven E commerce Platform

    Threecolts LLC is seeking a Full-Stack TypeScript Developer to enhance their AI-driven e-commerce platforms. The role involves driving technical decisions, designing scalable applications, and collaborating with product teams to improve user experience. Ideal candidates should have at least 6 years of ...

    Full Stack Product Engineer — Own End to End AI Features

    REalyse (UK) is looking for a Full-stack Engineer to take ownership of full-stack product features from idea to production. The role requires strong capabilities in TypeScript, React, Golang, and API integration, as well as the ability to handle ambiguity and drive projects to completion. You'll collaborate clos ...

    Mid Senior Full Stack .NET Engineer (Blazor, Azure, CI/CD)

    A technology company in the Greater Bristol Area is looking for a Full Stack .NET Developer to enhance their software platform. This role requires a minimum of 3 years of experience in .NET development and skills in C#, HTML, and CSS. The candidate will work collaboratively in an Agile team, focusing on building ...

    Senior Full Stack AI Engineer: Build Secure, Scalable AI Platforms

    Tenarai Europe is seeking a Senior Full-Stack AI Developer to lead the development of an AI-powered enterprise automation platform. This role requires expertise in designing scalable AI workflows, deploying CI/CD pipelines, and ensuring data integrity and security. With responsibilities including archi ...

    Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

    An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

    Real Time Java Engineer — Front Office/Trading

    A leading technology consultancy in London seeks an experienced Java Developer focused on real-time trading and risk systems. You will join a dynamic team that designs mission-critical systems supporting electronic trading activities. Ideal candidates should possess strong skills in Java and experience in low-la ...

    Senior Java Engineer Trading Platform, Low Latency

    CoinDesk in the United Kingdom seeks a Java Developer to enhance the performance of its trading systems. The role involves designing reliable, low-latency code and improving system stability through automation in a collaborative environment. The ideal candidate will have strong Java fluency, experience ...

    Senior Java Engineer Low Latency SOR for Equities

    Citigroup Inc. is seeking a Senior Java Developer for its Equities Electronic Trading team. This VP-level role involves designing and optimizing low-latency execution platforms using modern Java technologies. Ideal candidates will have extensive experience with Smart Order Routers and a deep understand ...

    Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

    An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

    Java Backend Engineer – Fintech Payments & Microservices

    Mifinity in Belfast is seeking a backend developer to work on payment processing engines and merchant integration services. The role involves developing efficient Java code and ensuring scalability of applications. Ideal candidates have a minimum of 3 years’ experience in Java enterprise software, with ...

    Senior Java Engineer Low Latency FX Trading

    A technology consulting firm in the City of London is seeking a Senior/Principal Java Developer specialized in low-latency systems for the financial services sector. The role involves developing high-performance Java applications, eliminating performance bottlenecks, and maintaining a flexible work schedule. Can ...

    Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

    An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

    Senior Java Engineer – Cloud Native Post Trade (Hybrid)

    Harrington Starr is seeking a Senior Java Developer to contribute to a cloud-native post-trade platform. This engineering role involves designing and delivering scalable backend systems, working closely with Product and Client Services teams. The ideal candidate will have a strong Java background, expe ...

    Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

    An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

    Platform Backend Java Engineer (Hybrid, Fixed Term)

    A technology consulting company is seeking a Backend Java Developer to build core backend services in a hybrid role based in Birmingham. You will implement policy engines for data governance and work with distributed data platforms. The ideal candidate has strong Java and Spring experience, expertise in SQL pars ...

    Senior .NET/C# Developer — UI & SaaS, Hybrid Warrington

    KDR Talent Solutions UK is seeking a Senior Developer to join their innovative team in Warrington. This full-stack position emphasizes back-end development using C# and the .NET ecosystem while also requiring front-end UI development experience. The role offers the chance to work on a cutting-edge SaaS platfo ...

    Senior .NET Developer FinTech Back Office Solutions

    Kynetix Technology Ltd is looking for a Full-stack Developer to join their agile team in Greater London. You will work collaboratively to design and implement software solutions for high-profile financial clients. The ideal candidate will possess a strong track record in full-stack development, excellent problem ...

    .NET Developer

    .NET Developer - Europe's Largest Radio Station Group - Cheshunt (Tech stack: .NET Developer, .NET 9, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is Europe's largest and most profitable commercial radio g ...

    .NET Developer – Wellington

    .NET Developer, C# 14 – Global Technology Brand – Wellington, Somerset(Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Our ...

    .NET Developer

    .NET Developer - Fastest-Growing Internet Co Ever - Durham (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is transforming how merchants and consum ...

    .NET Developer – Wellington

    .NET Developer, C# 14 – Global Technology Brand – Wellington, Somerset(Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Our ...

    Full Stack AI Engineer — Hybrid, Fast Paced with Global Impact

    A technology-focused AI startup based in London is looking for a Mid-Senior level Full Stack Engineer to join their elite engineering team. You will build impactful software and work on AI automation tools within a fast-paced environment. Ideal candidates enjoy solving technical challenges and have a strong back ...

    Remote First Full Stack Engineer | 1 Day/Week in Office

    A leading technology recruitment agency in the United Kingdom is looking for a Full stack Engineer to join a collaborative engineering team. This role is primarily remote with one day a week in the office. The ideal candidate will have strong experience in C# and Agile methodologies, with a passion for developin ...

    Full Stack Engineer for a SaaS Scale Up (Hybrid/Remote)

    A tech staffing agency in the United Kingdom seeks a Software Engineer (Full Stack Engineer) to join a growing Start‑Up. This role offers a salary of up to £85,000 per annum and involves working in a hybrid/remote capacity. The ideal candidate will take ownership of understanding business challenges and be key i ...

    CRO Frontend Engineer React/TypeScript

    Java Script Works is looking for a skilled CRO Frontend Engineer specializing in React and TypeScript. This full-time position is based in London, United Kingdom, with a competitive salary range of £90,000 - £140,000 per annum. The ideal candidate will have extensive experience in frontend development and the ab ...

    .NET Developer

    .NET Developer – Fastest-Growing Internet Co Ever – Folkestone (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Our c ...

    .NET Developer

    .NET Developer, C# 14, .NET 10.0 - Newcastle (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, Angular 21, Vue.js, TypeScript, Programmer, Full Stack Engineer, Architect, .NET Developer) < ...

    .NET Developer

    .NET Developer – Leading E-Book Firm – Leicester(Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, .NET Aspire, CI/CD, Azure DevOps, EF Core 10.0, Agile, HTML Living Standard, CSS Living Standard, Programmer, Full Stack Engineer, Architect, .NET Developer)Our client are a le ...

    .NET Developer

    .NET Developer – Leading E-Book Firm – Leicester(Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, .NET Aspire, CI/CD, Azure DevOps, EF Core 10.0, Agile, HTML Living Standard, CSS Living Standard, Programmer, Full Stack Engineer, Architect, .NET Developer)Our client are a le ...

    .NET Developer

    .NET Developer - St Albans (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global video technology company with a strong presence in 17 countr ...

    Senior Full Stack Engineer — Scale a Cutting Edge SaaS Platform

    A leading restaurant technology provider is seeking a Senior Software Engineer to enhance their advanced food ordering platform. The role involves designing scalable components, collaborating across teams, and improving system interactions. The ideal candidate has 5+ years of experience, proficiency in C# and Ty ...

    Engineering Manager Scale Platform & Global Marketplace

    Java Script Works in Greater London is seeking an Engineering Manager to lead and build a culture of technical excellence. You will be responsible for managing a team that works with a modern tech stack, including React, AWS, C#, and Node.js, to tackle complex challenges. The role is full-time with competitive c ...

    AI Powered Presales Engineer – Custom Demos & Analytics

    Personetics is seeking a full-time Presales Engineer in Greater London, England. The ideal candidate will have strong skills in AI, Machine Learning, and predictive analytics, alongside conversational knowledge of Linux, Java, and SQL. Responsibilities include managing RFIs and RFPs, tailoring demos to prospects ...

    Senior Software Engineer Enterprise Web & Cloud (AWS/Azure)

    Prattwhitney has a permanent opportunity for a Senior Software Engineer in Manchester. In this role, you'll work in a cross-functional team, delivering critical software across various business areas. You should have full-stack experience, Java skills with Spring Boot, and familiarity with cloud platforms. </ ...

    VP of Site Reliability Engineering Scale & Automation

    hackajob is looking for a Vice President – Site Reliability Engineer in London to enhance automated engineering solutions for Production Services. The role demands expertise in full-stack development, with proficiency in Python, Java, React, and Angular. You will collaborate with diverse teams, focusin ...

    Senior Software Engineer, Guest & Host: EU Backend Lead

    Traveltechessentialist in Greater London is looking for a skilled software engineer with at least 5 years of backend/full-stack experience. The role involves architecting complex features and collaborating with various teams to enhance the company's offerings. The ideal candidate will have strong Java and/or Kot ...

    Senior Software Engineer DataHub Experience & Control Plane

    Senior Software Engineer - DataHub Experience & Control Plane Location London Business Area Engineering and CTO Ref # 10051653 **Description & Requirements** Bloomberg runs on data. Every product, model, chart, alert, workflow, and client-fa ...

    AI Trainer Advanced Java Developers

    About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledg ...

    AI Driven Developer Productivity Engineer

    Amazon is seeking a talented software developer in Cambridge who will be instrumental in revolutionizing developer productivity through AI automation. In this role, you will design and implement advanced AI workflows to enhance productivity, troubleshoot developer support issues, and ensure continuous improvemen ...

    .NET Developer Exeter

    .NET Developer – .NET 10.0, C# 14, Blazor, Azure – Exeter, Devon (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, .NET MAUI, ML.NET, Azure AI, GitHub Copilot, Docker, Kubernetes, .NET Aspire, CI/CD, HTML Living Standard, CSS Living Standard, Programmer, Full Stack Enginee ...

    .NET Developer Headington

    .NET Developer, .NET 10.0, C# 14, Agile – Headington, Oxfordshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) < ...

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