Senior Java Software Engineer

Job Title: Senior Java Platform Engineer Location: Belfast (Hybrid – 2-3 days per week onsite) Employment Type: Full-time, Permanent Work Authorization: US work authorization required (no visa sponsorship available) We’re hiring a Senior Java Platform Engineer to build a large-scale developer platform for a leading global investment bank. The platform automates software remediation across thousands of repositories — identifying vulnerable dependencies, updating code, running changes through CI/CD, and generating validated pull requests. This is a hands-on backend/platform engineering role, not a traditional CRUD position. What You'll Do Build Java 21 / Spring Boot services and APIsDesign scalable distributed backend systemsBuild automation around Maven, Gradle, Git and CI/CDRun services and automated workloads on Kubernetes / AWSDevelop tooling for dependency upgrades and code remediationWork with technologies such as OpenRewrite, Renovate and SBOM/security scanningOwn solutions from design through production What We're Looking For Strong hands-on Java / Spring Boot experienceExperience with backend services, microservices or distributed systemsStrong understanding of Core Java, concurrency and performanceExperience with Maven or GradleExperience with Kubernetes, containers and CI/CDStrong debugging and software design skills Useful, but not required OpenRewrite or RenovateDeveloper tooling / platform engineeringVulnerability management or application securityAWSBanking or financial servicesAI/LLM integrations Why Join? Build technology that can apply and validate software changes across hundreds or thousands of repositories automatically.Modern Java. Complex engineering. Real scale. Strong ownership. Location: Belfast, hybrid 2–3 days onsite Employment: Permanent with RE Partners Sponsorship: Not available If this sounds like your kind of challenge, apply here: [APPLICATION LINK]