Principal Java Engineer - Payments, Low-Latency Real-Time
Summary
A Principal Java Engineer owning the design and optimization of low-latency, high-throughput payment backends — building secure RESTful APIs and scalable microservices, deploying on OpenShift and AWS, integrating MongoDB, and mentoring peers while driving architectural and observability improvements. Hybrid role based in Milton Keynes, UK.
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.