1 to 25 of 189 Contract Java Jobs

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 ...

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 ...

Experienced with CI/CD pipelines and modern DevOps practices (e.g., Jenkins or similar tooling). Familiarity with Swagger/OpenAPI, Gradle, Liquibase, Kafka, Java (Spring Boot). Comfortable working in Agile environments and collaborating across multidisciplinary teams. Excellent communication skills. Nice to have: Active NPPV3 Clearance. Immediate availability. Hays ...

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 ...

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 ...

Cosmos DB Change Data Feed (CDF) and integration and debugging of Spark with Cosmos CDF. High technical proficiency with Cosmos DB SDKs (e.g., .NET, Java, Python, Node.js) Thorough understanding of Spark distributed computing concepts. High technical proficiency in PySpark and Spark Concepts. Experience with concurrency patterns, CLR, and scalable application ...

Fullstack Java & Angular Engineer (Security-Focused) Hybrid 1 day per month onsite in Oxford Contract Were hiring a security-focused Fullstack Java Engineer (Java + Angular) to support the modernisation of high-availability, cloud-native digital services operating at scale. This role is centred around secure coding, scalable architecture, relational …/CD pipelines and containerised deployments (Docker/Kubernetes) Working closely with engineering, product, QA and platform teams What Were Looking For: Strong Java backend development Angular (or similar modern frontend framework) Strong relational database experience (Postgres/Oracle + SQL optimisation) Solid understanding of secure coding and application security ...

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 ...

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 ...

solution architectures Experience developing in front-end development languages (React/Angular/JavaScript etc) Experience developing in a modern software language C#/Java/Ruby etc Experience with build pipeline tools (TeamCity; Octopus; Azure DevOps etc) Experience as a Team Lead or demonstratable mentoring of Engineers Minimum ...

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. ...

modern, scalable services with a strong focus on cloud, API design, microservices, and secure engineering practices. Core Technical Skills Required Backend/Services: Java (Spring Framework) including: REST API development Messaging Microservices Docker & Kubernetes Cloud: Azure (preferred) AWS considered if directly relevant Frontend/Additional Tech: Node.js/Express Nunjucks ...

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:/. ...

Senior Java Developer Location: Galway, hybrid working Contract length: 12 months, excellent day rate Senior Java Developer wanted to help design and build high-throughput systems for a well-know tech business in Galway. You’ll get exposure to some heavy area of financial services including funds/trades … modern tech driven environment. This is a great opportunity for a Senior Java developer seeking a long-term contracting role within an organisation that’s heavily investing in modern technologies and innovative approaches. Desired Skills 5+ years Java development experience, comfortable working across Spring/Spring Boot microservices etc. Comfortable ...

Qualient looking for Senior Java Developer with Active SC Clearance. Job Description:- Essential: Java 17+, Spring Boot, Spring DataJPA, Spring Integration, Spring Batch, Microservices, Quartz, SQL Database (PostgreSQL), JPA (Hibernate), REST and SOAP Web Services, Messaging (ActiveMQ), Maven, Junit, Jenkins, AWS Cloud hosting and its components, Postgres/Aurora, Bootstrap … Jaspersoft, Spring extension projects (Data, Cloud, Batch, Security), Angular. Public sector experience 8-10 years of hands-on experience with large scale Spring based Java projects. Must have experience of supporting live systems and diagnosing incidents. Experience in large scale integration projects involving microservices, messaging, web-services and distributed systems. ...

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 ...

Authentication solutions (Ping Federate/Ping Access preferred). Hands-on experience with Cloud IAM solutions across AWS, GCP, and Azure. Development experience in Java/J2EE and familiarity with various programming languages (Shell scripting, Perl, Python, JavaScript). Knowledge of LDAP, Active Directory, MFA, and risk-based authentication. ...

Authentication solutions (Ping Federate/Ping Access preferred). Hands-on experience with Cloud IAM solutions across AWS, GCP, and Azure. Development experience in Java/J2EE and familiarity with various programming languages (Shell scripting, Perl, Python, JavaScript). Knowledge of LDAP, Active Directory, MFA, and risk-based authentication. ...

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 ...