Top Java Developer Jobs in Manchester

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, build and maintain scalable, secure backend systems using Java and the Spring ecosystem. Lead architecture and API design, ensure quality through testing and observability, mentor engineers, drive delivery across initiatives, evaluate emerging technologies and AI capabilities, and collaborate with cross-functional teams to deliver client value.

Lead technical strategy and architecture for backend systems, delivering scalable, secure Java/Spring microservices. Mentor engineers, drive engineering standards, CI/CD, observability, cloud-native deployments, and AI-driven automation. Partner with Product and clients to align technology with business outcomes and lead delivery across multiple programmes.

Design, develop, test, and deliver high-performance sportsbook APIs using Java and Spring Boot. Follow TDD and agile practices, pair-program, perform code reviews, collaborate with platform, UI and data teams, and deploy changes via continuous delivery on AWS using containerization and orchestration.

Design, build, and maintain efficient, reusable Java backend systems; translate business requirements into applications; optimize performance and stability; review and test code for quality and security; identify and fix bottlenecks and bugs; maintain code quality and system responsiveness.

Hands-on senior fullstack developer building backend-led JVM services (Kotlin/modern Java) and responsive React/TypeScript frontends. Design APIs, event-driven workflows, tests, CI/CD pipelines, observability, and contribute across discovery, deployment, production support, and technical decisions while validating AI-assisted tools where helpful.

Work on production services and applications, design and deliver features, create public APIs and integrate with major Git providers, follow CI/CD and agile practices, mentor teammates, lead Scrum activities, and drive continuous improvement in team processes.

Lead the Java Full Stack technology strategy, implementing AI-driven development practices, overseeing complex platforms, and driving modernization initiatives in cloud and microservices.

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.

As a Senior Software Engineer, you will design, develop, and maintain software solutions for public transportation, collaborate with teams, and mentor junior engineers.

Join our Point of Sale squad as a Software Engineer to design, develop, and maintain systems that enhance customer finance experiences at checkout.

As a Senior Software Engineer, you'll develop high-quality software solutions, mentor junior members, apply best practices in design and build, and contribute to technical decisions in a collaborative 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.

Design, develop, and optimize high-performance Java backend systems. Contribute to architecture, implement core modules, troubleshoot production issues, perform code reviews, and improve scalability, availability, and reliability of distributed financial or blockchain systems.

Senior backend engineer for Engine by Starling's SaaS banking platform. Build and maintain backend services and internal tooling, design configurable features, ensure automated testing and continuous deployment, collaborate across teams, mentor colleagues, and lead projects or domains to deliver production-ready solutions.

As a Senior Software Engineer, you will design and deploy scalable applications, lead architecture discussions, ensure compliance, and improve engineering processes while collaborating across teams.

Lead architecture and delivery of enterprise-scale API gateways, edge routing, and high-throughput JVM backend services. Drive GitOps deployments (ArgoCD, Helm), improve observability, rate-limiting, and concurrency controls, integrate LLM-assisted workflows, and mentor global engineering teams.

As a Senior Software Engineer, you'll maintain critical data framework integrations, ensuring performance and reliability while collaborating with the community, affecting real-time analytics and observability systems.