1,001 to 1,025 of 2,140 Java Jobs in the UK

Senior Java Developer Newcastle Hybrid (3 days onsite) Up to £60,000 plus bonus We're working with a leading global technology and professional services organisation that delivers innovative digital, cloud and engineering solutions across a wide range of industries. This is an opportunity to join a highly skilled engineering … team, developing enterprise Java applications and delivering secure, scalable solutions for high-profile clients. As a Senior Java Developer, you'll develop and enhance enterprise Java applications in an agile environment. You'll work closely with technical leads and cross-functional teams to design microservices, support testing, and deliver high ...

Role Java Developer Employment Contract - Inside IR35 Location London,UK - hybrid Skills Strong expertise in Core Java (collections, concurrency, NIO) Experience with Spring Boot, JPA, Hibernate Solid understanding of integration patterns (Apache Camel) Hands-on experience with IBM MQ (configuration, troubleshooting, performance tuning) Strong experience building microservices and RESTful APIs ...

building and running production-grade services. You\'re still writing code regularly. You\'re good at it Strong server-side engineering skills: Kotlin or Java (we\’re using Java 21), building and consuming RESTful APIs. Proficiency with relational and/or NoSQL databases: Couchbase, PostgreSQL or MongoDB. Highly Desirable skills … understand requirements and deliver robust backend solutions. AI experience is highly desirable but not mandatory Tools you\’ll use (depending on role) *Server*: Kotlin, Java, Spring Boot, http4k, ktor, PostgreSQL, MongoDB, Apache Kafka, Docker, Kubernetes, Helm, Tekton, Harness *Infra:* OpenShift, Tekton, Harness, Mac or PC - It’s up to you. ...

# Sr. Java DeveloperDeveloperLondonAugust 20, 202588400 - 98700/monthFull TimeApplication ends: **May 12, 2026**Apply Now### Job DescriptionA Sr. Java Developer is responsible for designing, developing, and maintaining high-quality Java applications. They collaborate with cross-functional teams to deliver scalable and efficient solutions, troubleshoot complex issues, and optimize system … capabilities, and staying updated with emerging technologies are essential for driving innovation and ensuring seamless application performance.### Key Responsibilities* Design, develop, and implement complex Java-based software solutions effectively.* Collaborate with team members to define project requirements accurately.* Optimize application performance for scalability, security, and efficiency consistently.* Troubleshoot and resolve ...

advanced applied experience in Java. Hands‐on practical experience delivering system design, application development, testing, and operational stability. Proficiency in back‐end technologies notably Java, Springboot, high‐performance Java, thread safety context, lockless approach and controlled object generation practices for high volume systems. Demonstrated ability to independently solve design ...

Software Engineer (Java/Python) National Security Location: Gloucester| Hybrid £40,000 £60,000 + Bonus + Security Clearance Allowance We're looking for Software Engineers to join a growing National Security team based in Gloucester. You'll work on cutting-edge, mission-critical projects, developing secure software solutions that … within some of the UK's most sensitive environments. Key Responsibilities Design, develop and maintain high-quality software solutions Develop back-end applications using Java or Python Work with cloud technologies Write clean, secure and well-tested code Collaborate within Agile development teams Participate in code reviews and technical discussions ...

Senior Java Analyst Developer/Technical Consultant London, United Kingdom Tech Stack Databases Spring Framework Ember.js NoSQL Spring Boot Docker Kubernetes React JPA JavaScript Cloud Java RabbitMQ Analyst UI HTML5 Software Technologies Software technologies such as Core Java, Spring Boot, Hibernate/JPA, and UI using React, Ember, JavaScript ...

Skills Proficient in Python/Java programming, with a comprehensive understanding of advanced features and best practices. Experience in JavaScript/TypeScript and modern web frameworks (preferably Vue.js). Extensive experience with PostgreSQL database management system. Communication Ability to communicate complex technical concepts to both technical and non-technical stakeholders ...

evolve scalable backend services that support the complete customer order lifecycle—from order creation through fulfilment and completion. You will develop scalable microservices using Java or Kotlin, implement event-driven patterns with Kafka, and design GraphQL and REST APIs, focusing on reliability, performance, and developer experience. #J-18808-Ljbffr ...

Barclays is seeking a Camunda SME – AVP in Wholesale Onboarding. You’ll design and deliver workflow-driven solutions using Camunda BPM and Java to meet regulatory and onboarding needs. In this role, you’ll lead collaborations with technology and business teams, build RESTful APIs and microservices with Spring Boot ...

work across backend and frontend, shaping architecture, and contributing to AI-assisted development in a fully remote environment. You will build scalable services in Java/Node.js, craft frontend with React and TypeScript, and drive reliability, observability, and CI/CD improvements. #J-18808-Ljbffr ...

Engineering Lead to spearhead the re-platform of Finance Technology applications. You will design, build, and deliver scalable, robust software using React, TypeScript, Node.js, Java/Kotlin, and microservices. You will work in a global team, promote engineering excellence, collaborate with product owners and architecture, and stay aligned with Citi ...

Platform in London is seeking a Senior Product Engineer to join the Partner Experience team. You will design, build, and operate backend microservices in Java/Spring Boot to support enterprise partners on the Partner Portal. You will own API design, RBAC and SSO (SAML 2.0), and collaborate with Compliance ...

teams, while upholding governance, risk controls, and ethical standards across the firm. Applicants should combine strong programming skills in C++, C#, SQL, Python and Java with a solid foundation in financial mathematics and statistics. #J-18808-Ljbffr ...

robust and scalable solutions, and provide technical leadership across a multi-disciplinary agile team supporting PMDE services in England. The role requires experience with Java, AWS, DevOps, and strong leadership to guide staff and governance-aligned practices. #J-18808-Ljbffr ...

across key sectors for an Enterprise AI client. The candidate should have a mix of data science and software engineering skills, including Python, JavaScript, Java, and experience deploying to cloud platforms. #J-18808-Ljbffr ...

International UK Limited is seeking a Senior Software Engineer to join a collaborative team responsible for scalable, high‐quality software across TypeScript, Java and Python. You’ll influence architecture, mentor colleagues, and drive engineering excellence. Based in the UK, you’ll work across modern cloud technologies and AI‐driven tooling ...

Computer Science, Software Engineering, or a related discipline, or equivalent practical experience.* Strong software engineering foundations with demonstrable experience delivering production-grade applications.* Strong Java application engineering experience, ideally with modern enterprise Java frameworks.* .NET engineering background is preferable, particularly where it supports application modernisation and interoperability.* Experience in financial … senior software or application engineering roles, with a strong track record of delivering production systems.* Strong experience building backend applications and APIs, ideally in Java* Practical experience across service-based architecture, API design, integration patterns, and modern web application delivery.* Experience contributing to modernisation or platform evolution initiatives is strongly ...

systems, governing documentation and enabling agile delivery across government-facing services. You will work with a Lead Technical Architect and other architects, apply AWS, Java and Spring Boot expertise to deliver resilient, low-cost solutions with clear governance and accreditation support. #J-18808-Ljbffr ...

powering millions of customer journeys, collaborating with product, design and engineering teams to deliver value end-to-end. You’ll work with Typescript, Javascript, Java, AWS and Vue.js, advocating TDD, pairing, mob programming and continuous delivery while mentoring peers and driving security-minded development. #J-18808-Ljbffr ...

React interfaces. The role focuses on end-to-end feature development, performance, and long-term maintainability in a production environment. You will work across Java, Node.js, React, and PHP systems, using AI tools to accelerate development while maintaining strong engineering judgement. #J-18808-Ljbffr ...

counterparty risk. You will translate quantitative methodologies into scalable software within cloud-based risk infrastructure and production environments. The role requires strong Python, Java or C++ skills, solid database knowledge, and Docker in cloud environments, with collaboration across global teams to enhance risk management capabilities. #J-18808-Ljbffr ...

Senior Software Engineer to join a remote team focused on training next-generation AI systems. You will apply strong engineering skills in Python3, Java, Rust, Go, TypeScript, and possibly C++ to build scalable solutions that shape how models learn and perform. The role emphasizes high-quality, real-world input ...

Engineer to build multi-tenant infrastructures and solutions for enterprise clients like Rippling and SHEIN. The role requires over 3 years of experience in Java/Spring Boot and involves collaboration across Product, Design, Compliance, and Sales domains. The compensation range is £60,000 - £105,000 plus bonus and RSUs ...

based infrastructure. You will mentor engineers and coordinate with product and domain stakeholders to deliver impactful data solutions. We value deep distributed-systems knowledge, Java expertise, streaming tech such as Kafka or Flink, and cloud experience (AWS/GCP/Azure). #J-18808-Ljbffr ...