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Java Developer

Avensys Uk — United Kingdom · Posted ~2 hours ago

Mid Hybrid

Skills

Java Spring Boot REST APIs microservices SQL multithreading concurrency REST Microservices

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Summary ✨ AI‑Generated

A mid-to-senior backend development role focused on creating scalable financial technology applications. The position involves Java-based development, API design, microservices, and production support.

Highlights

Hybrid role developing high-performance applications and APIs with modern backend technologies while collaborating with cross-functional teams.

Description

Java Developer Location: Belfast Work Model: Hybrid Experience: Mid–Senior Level Role Summary Citi is looking for an experienced Java Developer to join its technology team in Belfast. The role involves developing and enhancing high-performance applications and APIs supporting critical financial technology platforms. Key Responsibilities Design, develop and maintain applications using Java / Spring BootDevelop and integrate REST APIsBuild scalable microservicesImplement caching strategies and performance optimisationAnalyse and resolve performance and production issuesWork on multithreading, concurrency and high-volume applicationsWrite clean, testable and maintainable codeCollaborate with architects, developers, QA and business teamsSupport applications in production and troubleshoot technical issuesEssential Skills Strong Java development experienceSpring Boot / MicroservicesREST API developmentCaching technologiesPerformance optimisationMultithreading & concurrencySQL / relational databasesLinux/Unix