65,943+ Backend Java Developer Contract Jobs in London, UK — Local Employers Hiring June 2026

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Backend Java Developer Contract

Join a remote-first team as a contract Backend Developer, where you'll take ownership of key technical decisions, collaborate with cross-functional teams, and contribute to an exciting project in the independent music space. Enjoy flexibility, growth opportunities, and a supportive culture. What’s I ...

Backend Java Developer

Backend Java Developer Max Supplier Charge rate: 585 Clearance required: SC (It needs to be an active SC with a government agency used within the last 6 months or a HO SC) Location: London, Croydon (Remote, with occasional, infrequent office days)Job Description:Experience of Java ...

Backend Java Developer

Location: London Job Type: Contract Industry: Digital Workspace Job reference: BBBH441529_1781599759 Posted: about 2 hours ago Backend Java Developer Max Supplier Charge rate: 585 Clearance required: SC (It needs to be an active SC with a government agency used within the last 6 months or a HO SC)<b ...

Backend Java Developer

Location: London Job Type: Contract Industry: Digital Workspace Job reference: BBBH441529_1781599759 Posted: about 2 hours ago Backend Java Developer Max Supplier Charge rate: 585 Clearance required: SC (It needs to be an active SC with a government agency used within the last 6 months or a HO SC)<b ...

Backend Java Developer SC Cleared

Backend Java Developer+ 6 month initial contrac+t+ Fully remote - occasional office visit+ SC Cleared+ £530 per day Inside IR35Key Skills:+ Spring Framework+ Docker/Kubernetes+ SC ClearedJava Software EngineerWe are looking for a ski ...

Backend Java Developer Sprint 2

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Lead Backend Developer Python Java AWS

21 hours 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 Tech Recruiter - Software ...

Java Backend Engineer

Job Title: Java Backend EngineerNo: of Positions: x4Location: LondonDuration of the Assignment: 1 YearExperience required: 10+Department/Practice: Commercial bankingStart Date: 17/07/2026Day rate: Upto £550 per day - DoE (Inside IR35)Job Purpose and primary objectives:Our clie ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, data processing, and h ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

Backend Java Developer – Data Fabric / Platform Engineering

Backend Java Developer – Data Fabric / Platform Engineering Location: London (Hybrid)Employment: PermanentSalary: £70,000 – £90,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerpla ...

Backend Developer

Job Description:As a Specialist II in Backend Development, you will leverage your expertise in Java 17/21 and Java EE library migrations to enhance and upgrade middleware systems. Your role will involve working with Oracle 19C databases and ensuring seamless SOAP/REST integration.Key Responsibili ...

Backend developer

Who we are and what we do: Element Human (Crowd Emotion Ltd) has been around for six years, learning about emotions and working through several iterations of our new HX Workbench. We currently primarily work with brands, agencies and publishers, but we support anyone who wants to understand how p ...

Backend Developer

# Backend DeveloperSenior LevelLondonPosted 8 days ago### Role OverviewWe are heavily recruiting a Senior Backend Developer to spearhead our core infrastructure in London. Central to this role is the expert development of robust server-side logic, sophisticated e-commerce API systems, and high-stakes database ha ...

Backend Developer

Job Description As a Specialist II in Backend Development, you will leverage your expertise in Java 17/21 and Java EE library migrations to enhance and upgrade middleware systems. Your role will involve working with Oracle 19C databases and ensuring seamless SOAP/REST integration. Key Resp ...

Backend Developer

Ready join our 130,000 colleagues and support our mission to make people and places the bestthey can be? Be the difference today, connect with our careers team to learn more. Join The Team We always have vacancies for enthusiastic, talented and loyal people to fill roles within our team. Jo ...

Backend Developer

One of the UK's largest media distributors is looking for a Backend Developer to be a large cog in their development wheel. The team you'll be joining is quite small so this is a great opportunity to showcase your skills and make an impact at this Central-London-based company.They are looking for someo ...

Backend Developer

Robert Half Technology are assisting UK's market leading media organisation to recruit a Backend Developer on a 6-12 month contract basisWe are looking for a talented Backend Developer who enjoys solving complex technical problems and is comfortable working across multiple programming languages an ...

Backend Developer

One of the UK's largest media distributors is looking for a Backend Developer to be a large cog in their development wheel. The team you'll be joining is quite small so this is a great opportunity to showcase your skills and make an impact at this Central-London-based company.They are looking for someo ...

Backend Developer

Robert Half Technology are assisting UK's market leading media organisation to recruit a Backend Developer on a 6-12 month contract basisWe are looking for a talented Backend Developer who enjoys solving complex technical problems and is comfortable working across multiple programming languages an ...

Backend Developer

Robert Half Technology are assisting UK's market leading media organisation to recruit a Backend Developer on a 6-12 month contract basisWe are looking for a talented Backend Developer who enjoys solving complex technical problems and is comfortable working across multiple program ...

Backend Developer

Robert Half Technology are assisting UK's market leading media organisation to recruit a Backend Developer on a 6-12 month contract basisWe are looking for a talented Backend Developer who enjoys solving complex technical problems and is comfortable working across multiple program ...

Java Developer

Job Title: Senior Backend EngineerJob DescriptionJoin our dynamic team as a Senior Backend Engineer in the Banking domain, where you will play a crucial role in delivering innovative solutions. Collaborate with product owners and business stakeholders to transform written requirements into robust, well-engin ...

Java Developer

Overview A Java Developer role with Commerzbank AG via LevelUP HCS, based in London. A leading corporate banking and capital markets organisation is seeking a Java Developer to join their team. Company Description Commerzbank is a leading international commercial ban ...

Java Developer

Join to apply for the Java Developer role at Grid Dynamics . We are seeking specialist Java engineers with experience working on high performance/low latency systems. We19re working with banks and other major financial institutions on projects where microseconds count. <h ...

Java Developer

Location: UK (Hybrid / Onsite as required) Experience: 2–5 years Role Type: Fixed Term Contract Overview We are building a modern Data Fabric platform that enables the ingestion, transformation, and serving of large volumes of data as hig ...

Java Developer

We’re WorldFirst, an international payments business helping move money around the world. We became part of Ant Group in 2019, accelerating our mission to create the world’s best platform for international trade by combining WorldFirst’s products with Ant’s solutions aimed at enabling the digitalization of ...

Java Developer

We are seeking specialist Java engineers with experience working on high performance/low latency systems. We’re working with banks and other major financial institutions on projects where microseconds count. Essential functions Build and maintain Java applications in banking and tradin ...

Java Developer

The Opportunity This organisation delivers secure software, data and operational capabilities into some of the UK's most sensitive National Security and Defence environments. Their engineering teams build the platforms, services and applications that enable users to process, exploit and act ...

Java Developer

Accepting applications until: 3 July 2026 Job Description Your Role: Java Developer The Commercial Technology team develops and maintains the products that drive Global’s commercial revenues across both Radio and Outdoor. As a Java Developer at Global, you’ll work across a ...

Java Developer

The Opportunity This organisation delivers secure software, data and operational capabilities into some of the UK's most sensitive National Security and Defence environments. Their engineering teams build the platforms, services and applications that enable users to process, exploit and act ...

Java Developer

Our leading Investment Banking client is looking for a Java Developer (3–8 years’ experience) to join a front office technology team. What you’ll be doing: Working closely with front office stakeholders to gather and deliver business requirements Designing and building distrib ...

Java Developer

Join to apply for the Java Developer role at OLM Systems Join to apply for the Java Developer role at OLM Systems Locations: Teddington, Glasgow, or Newport (Hybrid) Salary: Up to £39,000 p ...

Java Developer

Job title: Java DeveloperCompany Version 1Job description Company Description Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enabl ...

Java Developer

Introduction We’re WorldFirst, an international payments business helping move money around the world. We became part of Ant Group in 2019, accelerating our mission to create the world’s best platform for international trade by combining WorldFirst’s products with Ant’s solutions aimed at enablin ...

Java Developer

**Discover your future at Citi** Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. **Job Ov ...

Java Developer

We are looking for a Mid-Level Java / .NET Developer with strong Azure experience to contribute to the delivery of digital services for the public sector. You'll work as part of a collaborative team building solutions that serve citizens, writing clean, well-tested code and growing your sk ...

Java Developer

We are looking for a Mid-Level Java / .NET Developer with strong Azure experience to contribute to the delivery of digital services for the public sector. You'll work as part of a collaborative team building solutions that serve citizens, writing clean, well-tested code and growing your skills in a supportive ...

Java Developer

Job Title: Senior Backend EngineerJob DescriptionJoin our dynamic team as a Senior Backend Engineer in the Banking domain, where you will play a crucial role in delivering innovative solutions. Collaborate with product owners and business stakeholders to transform written requirements into ...

Java Developer

Location: UK (Hybrid / Onsite as required)Experience: 2–5 yearsRole Type: Fixed Term ContractOverviewWe are building a modern Data Fabric platform that enables the ingestion ...

Java Developer

We are looking for a Mid-Level Java / .NET Developer with strong Azure experience to contribute to the delivery of digital services for the public sector. You'll work as part of a collaborative team building solutions that serve citizens, writing clean, well-tested code and growing your sk ...

Java Developer

Role:                                    Java DeveloperLocation:     &nbs ...

Java Developer

Job Title: Senior Backend EngineerJob DescriptionJoin our dynamic team as a Senior Backend Engineer in the Banking domain, where you will play a crucial role in delivering innovative solutions. Collaborate with product owners and business stakeholders to transform written requirements into ...

Java Developer

Description Position at WorldFirst Introduction:We’re WorldFirst, an international payments business helping move money around the world. We became part of Ant Group in 2019, accelerating our mission to create the world’s best platform for international trade by combining WorldFirst’s produc ...

Java Developer

Role:                                    Java DeveloperLocation:     &nbs ...

Java Developer

Description Position at WorldFirst Introduction:We’re WorldFirst, an international payments business helping move money around the world. We became part of Ant Group in 2019, accelerating our mission to create the world’s best platform for international trade by combining WorldFirst’s produc ...

Java Developer

Location: UK (Hybrid / Onsite as required)Experience: 2–5 yearsRole Type: Fixed Term ContractOverviewWe are building a modern Data Fabric platform that enables the ingestion ...

Java Developer

We are looking for a Mid-Level Java / .NET Developer with strong Azure experience to contribute to the delivery of digital services for the public sector. You'll work as part of a collaborative team building solutions that serve citizens, writing clean, well-tested code and growing your skills in a supportive ...

Contract Software Developer: Java, SQL & JS

Work Day Extend London, United Kingdom Posted 12 months ago Tech stack JSON Java SQL Git JavaScript General skills Java would also be good Javascript SQL J ...

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    Backend Java Developer Contract Jobs in London Job Search Guide, Trends and Insights