25 of 25 Contract Java Developer Jobs in the UK

This is a fantastic opportunity to work as a contract Java Developer on a remote basis, inside IR35 for the public sector. Current SC Clearance that has been used in the last 12 months and recent Identity Access Management experience are essential. The key experience required for this … Java Developer position are: SC Cleared Identity Access Management Java Azure If you do have the relevant experience for remote contract Java Developer position, please do apply. ...

Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX Our Investment Banking client is looking for an Algo trading Java developer to join the team to work on new initiatives and support for business critical algorithmic trading engines. The team provides innovative … latency trading, which includes FIX connectivity, low latency market connectivity, smart order routing, algorithmic trading and internal crossing. The requirement is for a core Java developer. The team is working on a number of algorithmic engines that support benchmark algos, smart order routing and internal crossing. The main responsibilities ...

Senior Java Developer (AWS, Java, API) - Sussex - Hybrid Daily rate: £500 - £700 (inside IR35) Duration: 6 months Hybrid: 2 days a week on site (tues, weds) Start: ASAP My client is looking for a Senior Software Developer (AWS/Java) to join the Digital Development … Delivery team. You will play a key role in designing, developing, and maintaining secure, scalable, and cloud-native Java microservices, primarily hosted on AWS, integrating with both internal and third-party systems. Collaborating closely with technical leads, platform engineers, QA, and product teams, you will follow best practices ...

Senior Java Developer (Contract) - Investment Bank - Central London Contract Length: 6 months Location: Central London (1 day per week onsite) Interview Process: 2 stages Overview We're working with a leading investment bank in Central London seeking a Senior Java Developer to join a front-office … Strong experience with FX Options Background in Regulatory Compliance Front office exposure preferred (mid/back office acceptable if strong domain alignment) Technical Skills: Java (10+ years core development) Experience with low-latency/high-performance systems Kubernetes/OpenShift Cassandra and Oracle Hazelcast Nice to Have: Frontend experience ...

Title Java Developer Day Rate £500/day - Inside IR35 Location Remote - Occasional London Duration 6 months (with view to extend) ROLE DESCRIPTION Brio Digital are supporting a consultancy on a major NHS digital programme and are looking for an experienced Senior Java Developer to join … high-performing engineering team. You will take a lead role in the design and delivery of complex, enterprise-scale solutions, bringing strong Java, AWS, and API expertise to a programme that is making a real difference to patient care across the country. KEY RESPONSIBILITIES Lead the design and development ...

Java Developer (x2) - SC Cleared Guildford or Newcastle - 2/3 days per week onsite £525 per day (Inside IR35) Active SC Clearance Required Join a collaborative Agile Scrum team as a Java Developer, building innovative geospatial solutions using modern cloud technologies. You'll work across … collaborate closely with your team in Agile ceremonies to deliver impactful, high-quality software. What We're Looking For Strong experience with Java Experience in cloud services development Solid understanding of unit testing frameworks and practices DevSecOps awareness (e.g. Tekton, ArgoCD, SonarQube ) (desirable) Experience with Kubernetes ...

IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35 : Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking … back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their ...

This is a fantastic opportunity to work as a contract Java Developer on a remote basis, inside IR35 for the public sector. Current SC Clearance that has been used in the last 12 months and recent Identity Access Management experience are essential. The key experience required for this … Java Developer position are: SC Cleared Identity Access Management Java Azure If you do have the relevant experience fo click apply for full job details ...

Java Developer - 3 Months - Inside IR35 - Ipswich My client, a leading global technology organisation is looking for an experienced Software Engineer to support a range of large-scale, business-critical platforms. You'll join a collaborative engineering team working on high-availability systems used across the UK, contributing … covers developing new application features, updating existing systems, supporting deployments, and ensuring smooth operation of live services. Key Responsibilities Maintain, enhance, and secure existing Java applications Design and develop new applications, features, and microservices Build and maintain automated test suites using TDD principles Create and manage CI/ ...

Java Developer Location: Ipswich Duration: 3 months + About this opportunity: Our client, a leading organisation managing the UK's largest Public Wifi network, is hiring two talented Software Engineers for an initial three-month contract. This is a fantastic chance to contribute to a high-profile project … specialists to build, upgrade, and maintain critical applications supporting secure, seamless connectivity across the UK. What you'll be doing: * Developing, maintaining, and upgrading Java applications to ensure security and performance compliance * Building pipelines and automating tests to streamline deployment processes * Designing and developing new applications and microservices * Upgrading ...

Java Backend Developer (Booking & Messaging) Rate: £625/day (Inside IR35) | Duration: 6 Months | Location: London (Hybrid) The Role Join a high-performance eBond Booking and Messaging team managing a complex trading platform. You will build and adapt trading workflows , ensuring seamless connectivity to external exchanges and managing … trade booking systems. The environment features a modern microservices architecture , reactive programming, and a fully automated CI pipeline with weekly releases. Technical Profile Java Expert: Java 8+, Multithreading, and RESTful Webservices. Messaging Pro: Deep knowledge of Pub-Sub and brokers like 60East AMPS , Kafka, or RabbitMQ. Reactive & Agile ...

urgently looking for an SC Cleared Java Developer on the contract basis (Outside IR35 ). The developer should have hands-on experience delivering large-scale Java and Spring-based solutions within secure public sector environments. You will be responsible for designing, developing, and supporting enterprise-scale … applications, troubleshooting live systems, and delivering scalable micro services solutions within mission-critical environments. This role requires expertise in modern Java technologies, cloud platforms, distributed systems, CI/CD practices, and Agile delivery methodologies. Key Skills: Having atleast 7+ years, hands-on experience in Java 17+, Spring Boot ...

Title Java Developer Day Rate 500/day - Inside IR35 Location Remote - Occasional London Duration 6 months (with view to extend) ROLE DESCRIPTION Brio Digital are supporting a consultancy on a major NHS digital programme and are looking for experienced Java Developers to join an established engineering … large-scale NHS environment, working alongside architects, testers, and product teams to deliver quality software at pace. KEY RESPONSIBILITIES Design, develop, and maintain robust Java-based applications across the programme Build and deploy cloud-native solutions using AWS services, following well-architected principles Write clean, well-tested, and maintainable ...

Title Java Developer Day Rate £500/day - Inside IR35 Location Remote - Occasional London Duration 6 months (with view to extend) ROLE DESCRIPTION Brio Digital are supporting a consultancy on a major NHS digital programme and are looking for experienced Java Developers to join an established engineering … large-scale NHS environment, working alongside architects, testers, and product teams to deliver quality software at pace. KEY RESPONSIBILITIES Design, develop, and maintain robust Java-based applications across the programme Build and deploy cloud-native solutions using AWS services, following well-architected principles Write clean, well-tested, and maintainable ...

Position: Java Full Stack developer Location: Manchester, UK (Hybrid-3 days a week from office) 12 months contract position The Role Build and maintain Java-based microservices with Spring Boot, ensuring scalability and performance. Develop front-end applications using modern frameworks (Angular/React) for seamless user … issues in production and support deployment activities. Stay updated with emerging technologies and recommend improvements to enhance system efficiency. Your responsibilities: Build and maintain Java-based microservices with Spring Boot, ensuring scalability and performance. Develop front-end applications using modern frameworks (Angular/React) for seamless user experiences. Integrate ...

Join a leading independent Banking and services provider as a Kotlin/Java Developer. Job Overview: The role sits within a Developer Experience (DevX) function focused on building and managing platforms that enable software engineering teams to develop, deploy, and operate applications efficiently and consistently.You will work … platforms, contributing to reusable frameworks and tooling that support multiple development teams. The focus is on scalable, secure, and high-performance solutions that improve developer productivity and platform reliability. Location : Sheffield Rate : In-scope IR35 £360 per day (via a Hays Approved Umbrella Company). Contract Length ...

Adword Job Title: Java Software Engineer - Public Wifi Platforms Duration: Initial 3 months with a possibility of extension Location: Ipswich, 3 days onsite a week Job description: About the Role This is an exciting opportunity to join the team that develops and operates the UK's largest Public Wifi … network Our client is seeking a self-starting Java Software Engineer to build and support both new and existing applications, and to play a pivotal role in transforming to a new platform You will work within an agile environment, making a real and immediate impact while collaborating closely with ...

About the Role: We are hiring a Java Backend Developer to join a leading banking client in the UK. The role involves building and modernizing scalable backend systems, working on microservices architecture, and contributing to high-performance, secure financial applications. Key Responsibilities: Design and develop backend services using … Java and Spring Boot Build and enhance microservices-based applications Develop and integrate REST APIs for enterprise systems Work on event-driven architecture using messaging tools (e.g., Kafka) Collaborate with cross-functional teams in an Agile environment Support CI/CD pipelines, deployments, and production releases Ensure high performance ...

Required Skills: Experience in Kotlin (or significant Java experience with a willingness to learn Kotlin) Experienced in API development , SQL/databases, HTML/Javascript Excellent writing skills and attention to detail in code Proactive person who will not wait to be told what to do next … unblocked by others Experience working with standard developer collaboration Tools: Github/Bitbucket, Jira, Confluence, etc Key Responsibilities: Collaborate with developers, testers and the wider organisation to build and run products Design, develop & implement back-end features as per backlog/priority with a small element of front ...

across modern AWS infrastructure, React front ends, and advanced LLM/RAG workflows.What you'll be doing Building and enhancing cloud-native applications using Java and/or Python Developing modern React front-end solutions Designing scalable systems on AWS Delivering AI-powered features using LLMs, semantic search … engineering and product stakeholders on a flagship transformation programme What we're looking for 8+ years' software engineering experience Strong hands-on experience with Java and/or Python Proven expertise with AWS cloud technologies Full stack engineering capability, ideally including React Experience building secure, production-grade distributed systems ...

working with a client who are looking for an engineer with solid Java Spring Boot skills and hands-on experience owning cloud migrations , primarily on AWS . Key info: Contract: Initial 3 months , with a strong likelihood of 6-9 months extension Start date: ASAP Day rate: £540 Inside … stage virtual (75 mins technical + 15 mins Q&A) - 2nd stage in-person (90 mins: migration knowledge + pairing exercise) Role highlights: Java & Spring Boot development Owning and delivering cloud migrations Migrating a full product stack to cloud services Heavy focus on AWS (infrastructure, databases, frameworks, services) Working ...

Role: Java Backend Developer with Data Platform Type: 6 Months Contract Location: London, UK (Fully REMOTE) Working Model: Fully REMOTE Payrate: £450 - £550 per Day on PAYE £530 - £630 per Day on RUPAYE £650 - £750 per Day on Inside IR35 via Umbrella The Role: Join our Data Infrastructure … looking for an execution-focused engineer who can jump into existing codebases, work autonomously, and ship high-quality code reliably. Essential Skills: Strong Java , Python , Go , and GCP experience. Ability to move quickly in ambiguous environments without waiting for direction. Bonus Points: Experience with JVM-based frameworks ( Flink , Beam ...

Responsibilities Design, develop, test, and maintain enterprise-grade Java applications Build scalable RESTful APIs and microservices Collaborate with architects, DevOps engineers, QA, and business stakeholders Write clean, maintainable, and secure code following best practices Participate in Agile ceremonies including sprint planning, stand-ups, and retrospectives Perform code reviews ...

Required Skills: Experience in Kotlin (or significant Java experience with a willingness to learn Kotlin) Experienced in API development , SQL/databases, HTML/Javascript Excellent writing skills and attention to detail in code Proactive person who will not wait to be told what to do next … unblocked by others Experience working with standard developer collaboration Tools: Github/Bitbucket, Jira, Con click apply for full job details ...

currently working with a Tier 1 Investment Bank who are actively seeking multiple Senior Software Developers who are proficient in both Java and Python. What you'll need to succeed : Extensive hands-on development with both Java and Python Strong financial services background, ideally within investment banking Strong ...