1 to 25 of 145 Contract Java Jobs in the UK

Java Developer - SC Cleared - Spring Boot/AWS - Croydon (Hybrid) Location: Croydon (Hybrid Working) Clearance: Active SC Clearance required Type: Contract Rate: £475 per day Duration: 12 months Overview We are looking for an SC Cleared Java Developer to support the delivery of modern, cloud-based applications within … delivery, and contributing to greenfield microservices-based solutions. Hybrid working is required, with on-site presence in Croydon . Key Skills (Essential) Strong Java development experience Spring Boot SQL and report writing Experience working in AWS environments EBSA experience API development and microservices architecture Experience with CI/CD pipelines ...

Java Developer Contract: 12 months Rate: £600 per day (Inside IR35) Location: UK (Remote some days in London, Manchester or Leeds (adhoc) This role sits within a large-scale NHS digital transformation programme delivered via a leading consultancy partner. The programme focuses on modernising critical healthcare systems, improving access … secure, and interoperable digital services that support high-volume user interactions and integrate with multiple systems across the healthcare ecosystem. The Role As a Java Developer, you will be responsible for designing, building, and maintaining high-quality backend services within a complex, distributed system. You will work closely with product ...

Senior Java Backend Developer (Contract) Location: London (Hybrid) Rate: £850 - £900 per day (likely inside IR35) A leading global financial institution is seeking a Senior Java Backend Developer to join a high-performing engineering team, delivering scalable, data-intensive backend systems that support critical business functions. This is a hands … will be responsible for designing, developing, and enhancing backend services that underpin data processing and analytical workflows. Key responsibilities include: Developing high-performance Java-based backend services Designing and implementing scalable data processing architectures Working with large and complex datasets, ensuring performance and efficiency Contributing to system design, including microservices ...

Senior Java Full Stack Developer Location: London (Hybrid - minimum 3 days onsite) Contract: 6 months Rate: Market rate (Inside IR35) The Role We are looking for a Senior Java Full Stack Developer to support the design, development, and maintenance of complex applications within a global engineering environment. This role combines … development (75%) with Level 3 production support (25%), requiring strong technical expertise and problem-solving capability. Key Responsibilities Design, develop, and maintain scalable Java and Python-based applications Build and enhance microservices and REST APIs for distributed systems Collaborate with product, UX, and engineering teams to deliver high-quality solutions ...

Open Banking). API design, microservices, integration platforms. Cloud experience (AWS/Azure/GCP), DevOps, CI/CD, Docker/Kubernetes. Knowledge of Java, .NET, Python, JS/TS. Excellent communication and problem-solving skills. 10+ years in financial services technology. Desired TOGAF, Cloud Architect, or AI certifications. Degree ...

Senior Java Developer - Multithreading/caching - sought by leading investment bank based in London - Contract *inside IR35 - umbrella* Key Responsibilities Develop and maintain high-performance backend services for complex data processing workloads. Design scalable architectures for large-volume calculations and data pipelines. Work closely with cross-functional teams to define … joins, and large/complex datasets. Leverage AI tooling to enhance productivity in coding and system design. Required Skills & Experience 8+ years ' experience in Java backend development (Java 17+). Degree in Computer Science, Software Engineering, or related field. Strong expertise in Java + Spring Boot/Spring Data/ ...

integration patterns (REST, GraphQL) ETL/ELT and data pipelines Distributed system design High throughput and low-latency data streaming Good understanding of Java/Python/Node.js for integration logic. Familiarity with containerization & orchestration (Docker, Kubernetes). Working knowledge of CI/CD, DevOps, IaC. Architectural thinking with strong ...

collaborating with skilled professionals to deliver high-quality results. What you'll be doing: Design, develop, and maintain scalable data pipelines and microservices using Java and Spring Boot. Containerise applications with Docker and deploy them efficiently. Integrate data from multiple sources, ensuring flows are clean, reliable, and consistent. Optimise pipeline ...

Stack (ELK) Application monitoring and logging Automation tools Ansible, Puppet Experience with ALM tools Jira, Confluence, Git, Bitbucket Strong understanding of design patterns and Java 1.8 Excellent communication and stakeholder management skills Desirable Skills/Knowledge/Experience Unix/Linux system administration Experience with Redshift, Nexus, Artifactory Exposure ...

recommendations on tools and methods Share best practices and contribute to continuous improvement Essential Skills & Experience Strong programming experience in Python and/or Java , with JavaScript SC (Security Clearance) Hands-on experience designing, coding, testing, and deploying software Experience with cloud platforms (AWS preferred) Systems design, integration, and service ...

Title: Senior Java full stack developer/Tech Lead Work model – Hybrid (3 days in an office) Location – London, UK We are seeking an experienced and results-driven Senior Java Full Stack Developer (React Mandatory) to join our team in London. This project is associated with one of the largest … maintain robust, scalable, and high-performance web applications. Build responsive and dynamic user interfaces using React js. Develop backend services and APIs using Java (Spring Boot/Spring Framework). Write clean, maintainable, and efficient code following best practices. Perform code reviews and mentor junior developers. Optimize applications for maximum ...

improvements to DevOps processes. You will work closely with Product Owners, Business Analysts, and Technical Leads in an agile delivery environment. Key Requirements Strong Java development skills; Python experience also beneficial Familiarity with identity and access management tooling, including PingDS and PingIDM Experience with containerisation and orchestration: Docker and Kubernetes ...

/CD pipeline integration Experience with automation tools (Terraform, CloudFormation, Helm) Knowledge of container security tooling (e.g. scanners, CNAPP) Programming experience (e.g. Python or Java) Solid understanding of security principles within containerised environments Strong communication and stakeholder engagement skills This is an excellent opportunity to work at scale, driving secure ...

experience working as a Release Manager within the Public Sector. Active SC Clearance. Own and coordinate end-to-end release cycles for AWS-hosted Java/Spring Boot services, ensuring readiness, dependency management, quality checks and stakeholder communication. Oversee deployments through CI/CD pipelines (Jenkins or similar), managing environments ...

distributed environment that prioritizes engineering excellence: Core Stack: React, Next.js, and TypeScript. Architecture: Micro-frontends (Capla/Vue) and Module Federation. Data: Integrating with Java/Spring Boot services via REST and GraphQL. Cloud & DevOps: Kubernetes (BKS), AWS, and advanced observability (Metrics, Dashboards, Alerts). What You Will ...

Java Developer - multiple roles £510/day Inside IR-35 6 month contract Active SC required Remote with occasional travel to London for client meetings only - expensable We are looking for experienced fullstack Java Software Engineers to support projects across UK Government and Law Enforcement. You'll work in multidisciplinary … hands-on and focused on building high quality software using modern engineering practices. What you'll do You'll design, build and maintain Java based microservices, applying test driven development and following established engineering standards. You'll work with technologies including Java, Spring Boot, Postgres, Kafka, Docker, React and AWS. ...

Contract Java Developer - Enhanced DV Cleared New Contract Opportunity for a Java Software Developer in Cheltenham with eDV Clearance * New contract opportunity working on highly secure operational systems within the National Security domain * Enhanced DV (eDV) Clearance required for access to high-side systems * Cheltenham based - 3 days per week … real-world operational outcomes. Due to the sensitive nature of the work, candidates must hold active Enhanced DV (eDV) clearance . WHAT WILL THE JAVA DEVELOPER BE DOING? You will be joining an experienced engineering team developing and enhancing secure backend systems that underpin mission-critical capabilities. The role involves ...

Kubernetes, for example. - Experience with Infrastructure as code technologies like ansible or terraform. - Ideally a has a coding background, utilising languages such as Python, Java, Spring Boot TO BE CONSIDERED:Please either apply through this advert or emailing me directly on . For further information please call me:/. ...

Deep understanding of domain driven design and data mesh principles Hands-on experience on design, build and deployment of applications based on .Net MVC, Java, Angular, React, REST APIs, CI/CD pipelines, and event-based architecture Conceptual clarity around front-end development Hands on experience in implementing API, Micro ...

RabbitMQ/AMQP)• Linux administration & scripting• AWS experience (EC2, RDS, S3, Lambda)• Strong understanding of networking and security fundamentals Nice to Have• Coding experience (Java, Go, Python)• Secure or cross-domain system experience• Service management or operations background• Azure exposure ...

multi-region environments Strong experience with Kubernetes and container orchestration at scale Proficiency in at least one programming language such as Go, Python, or Java Proven experience managing high-severity incidents and leading remediation efforts Preferred Qualifications Ideally, candidates will also have: Experience with multi-region or multi-cloud architectures ...

week onsite Start Date: 1st April Interview Process: 2 stages Project: Large-scale public sector programme Overview We are looking for experienced Java Software Developers to support a major digital transformation programme within the public sector. The role involves building secure, scalable services and contributing to a high-performing Agile … delivery team. Key Responsibilities Develop, enhance, and maintain Java-based applications and microservices. Work within cross-functional Agile teams (Developers, BAs, QAs, DevOps). Contribute to API development, integration, and backend service build. Deliver clean, testable, maintainable code aligned with best practices. Participate in code reviews, pair programming, and continuous ...

hosting platforms from legacy systems to Kubernetes-based environments on GCP or AWS. Full-Stack Delivery: Architect and maintain robust, scalable applications using Java 17+ and Angular . Data Modernization: Oversee complex data migrations, including Elasticsearch upgrades (v2 to v8) and transitioning operational databases from Oracle to PostgreSQL. Stakeholder Engagement … Quality Governance: Implement regulatory-compliant, zero-touch CI/CD pipelines to manage change and ensure system stability. Technical Stack Requirements Backend: Mastery of Java 17+ , Spring Boot, and Microservices architecture. Frontend: Advanced proficiency in Angular , TypeScript, RxJS, and modern UI/UX design. DevOps & Cloud: Hands-on experience with ...

operated large-scale systems end-to-end, not those with superficial exposure or purely design-focused experience. Candidates must have strong experience of Java Full Stack, React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern front end frameworks. Hands on expertise in API design and development ...

solving skills with attention to detail Nice to Have Knowledge of regulatory frameworks such as Basel, Liquidity, Capital, or Financial Reporting Experience with Python, Java, or other Scripting languages Familiarity with scheduling and automation tools Experience supporting production regulatory platforms Additional Information Hybrid working model: minimum of 3 days ...