Senior Java Engineer - Low-Latency Payments (Hybrid)

RE Partners is seeking a Senior Java Engineer to join a small, elite team delivering a high-impact payments platform for a top-tier investment bank. You will design and optimise low-latency microservices, build with Java 21, Spring Boot, Kafka, and Kubernetes, and own services from design to production support.

The role requires 8+ years of hands-on Java experience, strong concurrency skills, and a good understanding of distributed systems.