1 to 25 of 36 Contract Java Developer Jobs in the UK

Java Developer Hybrid (Belfast) | 6-Month Contract | Inside IR35 Our client, a leading organisation within the financial services sector, is seeking an experienced Java Developer to join their Belfast-based technology team on an initial 6-month contract (Inside IR35). This is an excellent opportunity … fast-paced enterprise environment. The successful candidate will play a key role in developing and optimising complex batch processing and integration systems using Java 17, Spring Batch, Spring Integration, and GridGain Database. Key Responsibilities Design, develop, and maintain scalable Java 17 applications for enterprise data processing. Build ...

Senior Java Developer/Low-Latency Developer Central London - Hybrid - 3 days on site, 2 days remote Inside IR35 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIX protocol integration to join their FX Options technology … optimising the trading platform , delivering ultra-low latency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain low latency Java-based trading systems Implement and maintain FIX protocol connectivity for FX Options trading Work closely with Quants, Traders, and Risk teams to translate business ...

Senior Java Developer/Low-Latency Developer Central London - Hybrid - 3 days on site, 2 days remote Inside IR35 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIX protocol integration to join their FX Options technology … optimising the trading platform , delivering ultra-low latency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain low latency Java-based trading systems Implement and maintain FIX protocol connectivity for FX Options trading Work closely with Quants, Traders, and Risk teams to translate business ...

Java Developer - Inside IR35 (2 Days On-site, Telford) Contract | Central Government Project | Hybrid Working Must be able to obtain SC We're seeking an experienced Java Developer to join a high-performing delivery team within a large-scale central government modernisation programme . … work as part of an Agile Scrum team made up of Java Engineers, Front-End Developers, and Quality Engineers, contributing to the transformation of legacy systems into scalable, cloud-based services. Location: Telford (2 days on-site per week) Contract: Inside IR35 Sector: Central Government/Public Sector Duration ...

Java Developer Hybrid (Belfast) 6-Month Contract Inside IR35 Our client, a leading organisation within the financial services sector, is seeking an experienced Java Developer to join their Belfast-based technology team on an initial 6-month contract (Inside IR35). This is an excellent opportunity ...

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 ...

urgently seeking a highly skilled SC Cleared Java Backend Developer to join a critical project with a high-profile Government Client . This is a key technical role focusing on a vital component of the client's technology landscape: migrating a legacy message queueing system to a modern … existing IBM MQ Series with Kafka across the platform. We are therefore looking for a rare and specific combination of skills: Deep expertise in Java (Backend Development). Strong, hands-on experience with Kafka (implementation, configuration, and integration). Essential knowledge of IBM MQ Series (or similar legacy messaging ...

title: Java Developer Location: Bournemouth, UK Job Type: Fixed Term Employment Fully Onsite Domain: Banking Job Details: Need 8+ Years Hands on experience Java Developer with Backend Experience Tools: Kubernetes AWS Mongo DB/ ...

title: Java Developer Location: Bournemouth, UK Job Type: Fixed Term Employment Fully Onsite Domain: Banking Job Details: Need 8+ Years Hands on experience Java Developer with Backend Experience Tools: Kubernetes AWS Mongo DB/No SQL JBG81_UKTJ . click apply for full job details ...

Latency Java Developer - Contract Location: London - Hybrid 3 days per week in the office Duration: 12 months Rate: £480-£550 per day Inside IR35 Hiring for a Senior Java Developer with strong FX and low-latency experience to join an eFX Algo IT team. You will … quickly for Front Office - Work across design, development, testing and release - Provide 3rd-line support and ensure production stability Skills and Experience: - Strong Core Java - FX background (essential) - Proven low-latency engineering skills - Hands-on with Agrona, ring buffers, UDP, LMAX Disruptor/Chronicle Queue - FIX protocol knowledge - UNIX ...

Latency Java Developer - Contract Location: London - Hybrid 3 days per week in the office Duration: 12 months Rate: £480-£550 per day Inside IR35 Hiring for a Senior Java Developer with strong FX and low-latency experience to join an eFX Algo IT team. You will ...

Java Developer with Kubernetes, AWS, Mongo DB/No SQL Right attitude – lot of demand of this lately# 8-15 years’ experience 5 Days from Bournemouth office is mandatory Should Relocate or within commutable distance Banking experience ...

Role: Java Developer Location: Remote Inside IR35 £550.00pd Must Hold Active SC Clearance We are seeking a JBOSS Developer to join our team. In this role, you will have the opportunity to work closely with stakeholders and team members while leveraging your expertise in Red Hat JBoss … refactor or redevelop existing application components currently dependent on JBoss to operate within the selected technology stack, including: - Remove backend functionality that requires proprietary Java where required. - Change front-end interactions that require proprietary Java to use the new solution where required. - Update and/or change authentication ...

Contract Mid Level Java Developer Inside IR35 Halian Technology are currently looking to hire several contract Java Developers for a fintech business in Hampshire. We are looking for a UK-based professionals with a strong background in Java who want to work on a greenfield build … have an oversight on design decisions and guides team to achieve key results for products assigned to them. Key Skills needed: 4 years + Java Development Java 17/21 Spring boot Nexus, Artifactory, Sonar, Jacoco Kafka Kubernetes, Helm Databases - Hbase etc Nice to have: Kafka Streams, Data ...

Java Developer - Contract 3 - 6 Month experience Remote working, Outside IR35 SC: Must be Eligible for SC (Criteria: 5 years as a resident in the UK and no longer than 30 consecutive days abroad outside the UK in the last 5 years) Run-Time are looking for +10 … Senior Java Developers (contract) to join a Public Sector Client on a long term project. Requirements: The environment is fast paced and rewarding and of great interest in terms of its use of latest tools and technologies. Java 7/8 to current Applied knowledge of front ...

urgently seeking a highly skilled SC Cleared Java Backend Developer to join a critical project with a high-profile Government Client . This is a key technical role focusing on a vital component of the client's technology landscape: migrating a legacy message queueing system to a modern ...

Java Developer - Contract 3 - 6 Month experience Remote working, Outside IR35 SC: Must be Eligible for SC (Criteria: 5 years as a resident in the UK and no longer than 30 consecutive days abroad outside the UK in the last 5 years) Run-Time are looking for Senior … Java Developers (contract) to join a Public Sector Client on a long term project click apply for full job details ...

Role Overview We are seeking a skilled Java Developer with strong experience across Java, Node.js, and AWS to support large-scale digital transformation projects within a secure public-sector environment. You will join a collaborative engineering team focused on delivering secure, scalable and high-quality services. … Responsibilities Develop, maintain and optimise backend services using Java and Node.js Build and deploy applications on AWS following best practices Work within an Agile delivery team, contributing to sprints, ceremonies and code reviews Collaborate with architects, product owners and other engineers to deliver high-impact features Ensure code quality ...

Role Overview We are seeking a skilled Java Developer with strong experience across Java, Node.js, and AWS to support large-scale digital transformation projects within a secure public-sector environment. You will join a collaborative engineering team focused on delivering secure, scalable and high-quality services. … Responsibilities Develop, maintain and optimise backend services using Java and N click apply for full job details ...

working with a consultancy looking for a Java developer to join a contract. This will involve working with Java code and CI pipelines with GitLab CI to improve, tune and extend so that when we get dependency updates or security fixes from engineering tooling we then automate … testing and deployment of these services all the way to production in a controlled and secure way. Tech stack - Java engineer needs experience with spring boot framework, TDD, Grafana and Prometheus for monitoring and alerting and understanding of the CI/CD process.All candidates must pass a BPSS.Immediate start.End ...

working with a consultancy looking for a Java developer to join a contract. This will involve working with Java code and CI pipelines with GitLab CI to improve, tune and extend so that when we get dependency updates or security fixes from engineering tooling we then automate … testing and deployment of these services all the way to production in a controlled and secure way. Tech stack - Java engineer needs experience with spring boot framework, TDD, Grafana and Prometheus for monitoring and alerting and understanding of the CI/CD process. All candidates must pass a BPSS. ...

client are seeking a Java Developer with strong expertise in Apache Kafka , Node.js , and AWS cloud services . The role involves designing and implementing scalable, event-driven architectures, building microservices, and deploying solutions in a cloud-native environment. Essential Skills & Experience Strong commercial experience with Java (core ...

Description: Role/Job Title: Mobile Backend Developer (JAVA/Kotlin) Work Location: Manchester Tues/Wed/Thur The Role Seeking a Senior Application Engineer (Backend cloud based application development) with deep technical expertise and thought leadership. You will drive strategy for your area of expertise across … teams and foster a developer community within your domain. The role involves mentoring junior staff, ensuring high-quality deliverables, promoting best practices like TDD and BDD, and leading engineering practices across the SDLC. Your Responsibilities: Provide advanced technical expertise in Backend Development, supporting the team with effective solutions ...

working with a consultancy looking for multiple junior Java developer to join a 12 month contract.Inside IR35SC eligible Remote (2x in London across the 12 months)Around £320per day Java Rust Bash Python AWS - Serverless/EC2/SQS IAC – Terraform, Ansible CI/CD – Gitlab Encryption ...

Bank, delivering next-generation algorithmic trading systems across benchmark, smart order routing, and internal crossing strategies. The Role You'll work as a Core Java Developer within a high-performing Algo Engineering group, responsible for evolving a suite of low-latency, high-throughput trading engines that power … support Deliver framework-level improvements for throughput, resilience, and scalability Participate in peer reviews, mentoring, and agile ceremonies Required Skills & Experience Expert-level Core Java (collections, concurrency, NIO, memory management) Strong understanding of multithreaded systems and low-latency I/O Deep familiarity with design patterns (Observer, Factory, Singleton ...