Hybrid Principal Backend Engineer – Java, Cloud & Fintech

Oliver Bernard partners with a fast-growing fintech to hire a Principal Backend Engineer in London on a hybrid basis. You will provide technical leadership, drive architectural decisions, and mentor senior engineers across multiple teams, shaping the platform’s scale and reliability.

The role focuses on designing cloud-native backend systems using Java, Spring Boot, and microservices, with hands-on work in AWS, Docker and Kubernetes, and a strong emphasis on performance and resilience.

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