2,009,671+ Full Stack Java Developer Fixedterm Contract Jobs in UK — Top Companies Hiring June 2026

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Senior Software Engineer: Python & Java for Data Pipelines

LSEG in the United Kingdom seeks a Python Developer to re-implement and test existing StarMine Quant models and build new models in collaboration with research teams. The ideal candidate has strong knowledge of Python, Java, or Kotlin, and experience in cloud application development. Responsibilities include bui ...

Senior Developer — .NET, React & Azure Expert

Java Script Works is seeking a Senior Developer in Greater London. This key role requires strong proficiency in C#, .NET, React, and Azure, working collaboratively with developers, UX/UI designers, and stakeholders to ensure high-quality products. The successful candidate will be responsible for drivin ...

Backend Engineer – Java/Spring Boot + ML Driven Recommendations

JD.com is seeking a backend developer in London, UK, to design and develop services for recommendation systems. This role requires expertise in Java and Spring Boot, along with experience in machine learning and microservices. Ideal candidates will have 3+ years in backend development, effective commun ...

Cloud Native Java Spring Boot Back End Engineer (GCP)

Methods is seeking a Back End Developer specializing in Java Spring Boot and Google Cloud Platform for their private Sector Business unit. The role involves a 6-month project focusing on migrating and rebuilding core architecture. Join the team and play a pivotal role in optimizing technical connectors ...

Senior Software Engineer .NET, React, CI/CD Expert

Java Script Works is seeking a Senior Software Developer based in London, United Kingdom. The role requires expertise in Angular, CI/CD, and a proficient understanding of various programming languages including Python and C#. The compensation range is between £25,000 and £55,000 depending on experience ...

Senior Calypso Software Engineer – Java & API Specialist

Nexus Jobs Limited is looking for a Senior Calypso Software Developer in London, United Kingdom. This role involves working with the Calypso API and Oracle DBMS to support back office processes like Settlements and collateral management. Ideal candidates should have strong Java skills and experience with CATT Au ...

Elite High Touch Trading Developer: Low Latency Connectivity

Harrington Starr is seeking an experienced High Touch Trading Developer in London to build client-facing trading infrastructure. This role offers a competitive salary up to £160,000, a performance bonus, and comprehensive benefits. Key responsibilities include designing and implementing trading platfor ...

Senior Backend Software Engineer Java/Spring

A technology solutions provider in the UK is seeking a Senior Software Developer to join their multi-disciplinary team. The ideal candidate will have strong Java skills, experience in Agile environments, and a passion for improving user outcomes. Responsibilities include developing digital solutions and leading ...

React.js Engineer for Quant Hedge Fund (Typescript)

Java Script Works is seeking a React.JS Developer to join a prestigious hedge fund located in Greater London. This role offers a competitive salary of £120,000 plus bonuses. The ideal candidate will possess strong expertise in JavaScript and Typescript, alongside ReactJS development. The successful can ...

Senior Front Office Software Engineer (C#/Java/.NET)

hackajob is seeking a Senior Front Office Developer based in London. You will turn complex challenges into innovative software solutions using Python, Java, .NET, and web services. The role involves extensive collaboration, development, and adherence to secure coding practices. Successful candidates wi ...

Senior Android Engineer: Build Scalable Android Experiences

A leading online platform in London seeks a senior software developer to enhance user-facing Android applications. The ideal candidate has 5+ years of experience in software development using Java or Kotlin, and a passion for crafting scalable and user-friendly products. Responsibilities include cross-functional ...

Frontend Engineer — JavaScript/TypeScript + React

Java Script Works, located in Barton-upon-Humber, is looking for a skilled developer to build and maintain custom JavaScript applications. The ideal candidate will have over 2 years of experience and proficiency in TypeScript, React, NodeJS, HTML5 Canvas, and Less. You will be responsible for developin ...

Junior Mobile Engineer (Android/iOS) – Mandarin Fluency

Mandarin Recruitment is seeking a Junior Mobile Developer in Greater London. This role involves the development and deployment of applications, contributing to the development team with a focus on enhancing consumer experiences through technology. Candidates must have a recent Computer Science degree a ...

Backend Dev (Go/Golang) – Hybrid Bristol, Scalable APIs

A leading digital innovation company based in Bristol is looking for a Backend Developer with experience in Java, C#, Python, or Node.js. You will design and develop applications, build scalable APIs, and support cloud deployments, especially in GCP. This role offers a hybrid working environment and opportunitie ...

Java Backend Engineer for Subsurface APIs

Halliburton Energy Services in Abingdon seeks a Java developer with over 3 years experience for their Neftex Technical Services Team. This role involves developing subsurface evaluation solutions and requires attendance at the Abingdon office at least three days a week. Successful candidates will work ...

Senior Platform Lead Engineer: Java/SpringBoot on GCP

LinuxRecruit is seeking a Lead Developer in Greater London to spearhead the development of applications and APIs using Java within a SpringBoot framework on a GCP Platform. This role emphasizes leadership and mentoring junior developers, enabling personal and team growth in a dynamic and socially responsible env ...

Software Engineer

Full Stack Developer – Ocado Hub Product Contract type : Permanent Location : Hatfield (Hybrid working – 3 days in the office) Working hours per week : 40 hours – Full‑Time Level : Senior Application Closing Date : Friday, 28th No ...

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 ...

Senior .NET Developer

Senior .NET Developer is required by fast growing and highly successful technology consultancy.(Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, React, TypeScript, Programmer, Full Stack Engineer, Architect, ...

Senior Software Engineer – Dementia Care Platform

A leading educational institution in the UK is looking for a Senior Software Developer to join their Dementia Research Institute. You will develop innovative healthcare technology and work with a multidisciplinary team to improve the lives of those affected by dementia. The role requires proficiency in programmi ...

Software Development Engineer II (Java) Customer Fulfilment

Responsibilities Build scalable, resilient Java‑based backend services, APIs and microservices that support fulfilment workflows and systems. Implement and ship end‑to‑end stories, with a focus on backend integration and feature delivery. Own medium‑sized features, takin ...

Software Integration Engineer AI Trainer

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for proficient programmers to help advance AI development. As a member of DataAnnotation ’S coding team, you’ll be part of a ...

Application Developer Cloud FullStack

Join to apply for the Application Developer - Cloud FullStack role at IBM Introduction: At IBM CIC, we deliver deep technical and industry expertise to a wide range of public and private sector clients in the UK. A career in IBM CIC means you’ll have the opportunity to work with visi ...

Software Engineer (Mobile and Web)

Highly desirable Mid-Level Developer position has become available with one of my key clients based near Egham, just east of the M25. The client, a forward-thinking company in the digital media space are currently looking for a talented developer with 3+ years’ experience in Web/Mobile Development Skil ...

Solution Architect MedTech SaaS Cloud

Overview We are looking for a Platform Architect to help transform our cloud environment from beta to production, working closely with the Lead Architect and DevOps team. Responsibilities Scale and support the DevOps/Platform team. Configure and maintain Azure an ...

Staff Software Engineer (Kotlin/Java) Hybrid + Equity

Client Server is looking for a Staff Software Engineer (Kotlin Java JVM) to join their team in London. This role offers a salary of up to £120k, equity options, and the chance to work on impactful technology for health and social care. You will work closely with the CTO on the product's architecture, c ...

Senior Java Automation Engineer — FX eTrading Backend

Citi is looking for a Senior Automation Engineer to join their Tech team in Greater London. This role involves owning the backend automation capability within the FX eTrading technology stack, ensuring quality delivery for critical applications. Candidates will need significant experience in backend test auto ...

Lead Developer

Lead Frontend Developer Location : Remote | Salary : £75,000‑£80,000 We’re supporting a long‑standing client of ours, a mission‑driven FinTech that is continuing its digital evolution, and we’re looking for a Lead Frontend Developer who wants to make a real impact. This is ...

Senior Java Software Engineer

SC Cleared | Permanent | Hybrid | Software Engineering | The role We are looking for an experienced SC Cleared Senior Java Developer to support the design, development, delivery, and ongoing enhancement of enterprise-scale applications within a highly secure and fast-paced environ ...

Senior Software Engineering (Saas)

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Job Title: Software Engineering Team Leader (Saas) Location: Witney (Hybrid/Remote) Salary: Up to £60,000 depending on experience + plus benefits Are you ready to take your expe ...

Python Developer

Python Developer - Fixed Income Trading Technology We are currently recruiting for a Python Developer to join the Fixed Income trading technology team within a leading international Investment Bank. This is a core software engineering role focused on building production trading systems<b ...

Python Developer

Python Developer - Fixed Income Trading Technology We are currently recruiting for a Python Developer to join the Fixed Income trading technology team within a leading international Investment Bank. This is a core software engineering role focused on building production trading systems<b ...

Python Developer

Python Developer - Fixed Income Trading Technology We are currently recruiting for a Python Developer to join the Fixed Income trading technology team within a leading international Investment Bank. This is a core software engineering role focused on building production trading systems<b ...

Python Developer

Python Developer - Fixed Income Trading Technology We are currently recruiting for a Python Developer to join the Fixed Income trading technology team within a leading international Investment Bank. This is a core software engineering role focused on building production trading systems<b ...

PHP Developer

PHP DEVELOPER Salary between £35,000 – £45,000 Hybrid role – Lincolnshire Key Skills include: PHP / Laravel / Vue JS / MySQL ABOUT THE CLIENT: My client is a leading Lincolnshire based software house that thrives on the collaboration of th ...

Hybrid PHP/Laravel Developer — Vue.js & MySQL, Flexible Hours

PHP DEVELOPER Salary between £35,000 – £45,000 Hybrid role – Lincolnshire Key Skills include: PHP / Laravel / Vue JS / MySQL ABOUT THE CLIENT: My client is a leading Lincolnshire based software house that thrives on the collaboration of th ...

Software Engineer

This range is provided by Search 5.0. 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 Search 5.0 We're hiring on behalf of an innovative payments technology company building the next ...

.NET Developer

.NET Developer, .NET 9, C#, Azure, JavaScript, Agile - Hereford Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect. Be the first ...

Remote .NET 9 Developer – Blazor & Azure

Join a forward-thinking company that has revolutionized the advertising technology landscape. As a .NET Developer, you'll have the chance to work on innovative software solutions that enhance marketing ROI for clients. With a tech stack including .NET 9, C#, Blazor, and Azure, this role offers full training and ...

Game Frameworks Engineer (MonoGame/LibGDX/Cocos2d x)

A dynamic gaming company in the United Kingdom is seeking a Game Developer specializing in frameworks like MonoGame, libGDX, and Cocos2d-x. The successful candidate will design and optimize game scenarios and collaborate with AI researchers. Strong programming skills in C#, C++, and Java are essential. You will ...

Remote Cloud Native Java API Engineer Payments Platform

Enfuce is looking for a talented developer to build high-quality, scalable APIs that enhance customer satisfaction and business efficiencies. In this role, you'll design our next-generation card processing platform, collaborate with experienced engineers, and ensure compliance with security standards. Ideal cand ...

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