Principal Java Engineer - Payments, Low-Latency Real-Time

RE Partners is seeking a Principal Java Engineer to join our high-performing team in the UK. You will own the design and optimization of low-latency, high-throughput backend systems for payments, building secure RESTful APIs and scalable microservices.

In this hybrid role, you will deploy and monitor on OpenShift and AWS, integrate with MongoDB, and mentor peers while driving architectural decisions and observability enhancements across services.