Senior Backend Engineer — Build Scalable FinTech Platforms

Plum, the proactive money platform, is looking for a Senior Backend Engineer to join a team building scalable systems that power the product for millions of customers. You'll work with Kotlin with Spring Boot and Python with FastAPI, contribute across the full product lifecycle, and mentor colleagues while solving real-world problems in a hybrid London/Athens/Cyprus setup.

Expect a fast-paced environment with rigorous design reviews, live coding, and a culture that rewards ownership,