London Principal Backend Engineer - Payments Platform

A leading payment technology company is seeking a Principal Software Engineer based in London to drive technical leadership for its global payment gateway platform. In this role, you will design, evolve, and ensure the performance of backend services while mentoring engineers. Applicants should possess over 8 years of backend development experience, a strong command of Java and Spring Boot, and experience with microservices and AWS services. This position supports a hybrid work model.