Java Backend Developer

We are working with a leading technology firm specializing in sophisticated financial systems and innovative software solutions. The Role Lead technical design for Java/Spring Boot microservices, REST APIs, event-driven workflows, and service integrations. Guide code quality, pull request reviews, testing standards, and engineering best practices. Own integration patterns with downstream services, OAuth2/Keycloak security, RabbitMQ messaging, and Oracle/JPA persistence. Partner with product, QA, DevOps, security, and infrastructure teams to deliver production-ready capabilities. Mentor engineers and translate business requirements into clear technical implementation plans. What You'll Need 10+ years of Java engineering experience. 5+ years of technical leadership on enterprise microservices. Strong skills in Java 17+/21, Spring Boot, REST APIs, Spring Security, OAuth2/JWT. Experience with Keycloak, Oracle, JPA/Hibernate, RabbitMQ, Maven, Docker, and Git-based CI/CD. A Bachelor's degree in computer science, engineering, IT, or a related technical discipline. What's On Offer Opportunity to work on a Debt Management System platform. Influence architecture, integration design, and engineering standards. Chance to lead and mentor a team of engineers. Apply via Haystack today!