Top Java Developer Jobs in Bristol

Build and enhance Engine by Starling’s cloud-native banking platform and internal tooling. Develop configurable features and products, contribute to microservice-based backend systems, own projects, collaborate across teams, and help lead projects or functional domains. The role emphasizes Java development, clean code, automated testing, continuous deployment, knowledge sharing, and solving complex technical problems in a collaborative engineering environment.

Design, implement and evolve core components of a Java-based distributed runtime: cluster services, distributed data structures and execution engines. Work on partitioning, replication, coordination and recovery, write reliable low-latency production code, contribute to architecture, reviews and mentoring.

Develop core infrastructure and horizontally scalable APIs for Elasticsearch. Resolve complex performance and concurrency issues, improve cloud operations and observability, automate developer workflows, and support operational investigations. Lead cross-team projects, collaborate with open-source communities, and own technical designs and implementations from inception through delivery. Apply strong Java expertise, CI/CD practices, AI-assisted development, and distributed-team communication.

Develop and maintain high-quality Java and AWS software applications. Design, build, test, and troubleshoot scalable, secure, high-performance systems across multiple application layers. Contribute to architecture, technical decisions, estimation, product planning, and requirements creation. Mentor junior engineers and collaborate with technical and non-technical stakeholders. Experience with CI/CD, cloud platforms, data storage, and Java BPMN implementations is valuable.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

Design, develop, maintain, and enhance SecureFlag’s backend Java platform using microservices. Build automated tests and CI pipelines, troubleshoot performance and production issues, implement new functionality, and collaborate closely with the engineering team. The role requires independently improving scalable Java applications, diagnosing Hibernate bottlenecks, and supporting secure coding education technology in a remote, fast-paced environment.

Design, build, test, and maintain Java 17+ microservices for a banking modernization program. Develop REST APIs and messaging integrations, containerize and deploy services through CI/CD, integrate relational and NoSQL databases, and address performance, resilience, security, and observability. Participate in Agile delivery, solution design, code reviews, testing, and production releases while collaborating with architects, analysts, testers, and product owners.

The Staff Software Engineer will design and manage end-to-end data pipelines, ensuring data quality and governance while collaborating across Java and Python systems, including event schema design and AI tooling.

Develop and maintain Java-based web applications using Java 8, J2EE/Tomcat and Spring MVC. Build RESTful services, work with JMS/MQ, Maven and Git. Collaborate in Agile/Scrum teams, perform troubleshooting and root-cause analysis, and communicate technical solutions. Basic database/SQL and front-end skills (JavaScript, jQuery, Angular, Bootstrap) expected. Entry-level/contract role requiring a bachelor’s degree and ~1 year development experience.

The Java Software Engineer will develop robust and scalable code for customer services using Java, AWS, and Postgres, while advocating for clean coding and best practices.

Administer, monitor, and support Java applications and Genesys Cloud. Provide production troubleshooting, minor bug fixes and enhancements, and act as primary POC for Java apps. Develop/support microservices using Java and Spring Boot, perform analysis of system behavior, and apply problem-solving and diagnostics to maintain service quality.