Senior Product Engineer, Fintech Payments (Scala)

Company: Yonder
Apply for the Senior Product Engineer, Fintech Payments (Scala)
Location: London
Job Description:

Yonder is seeking an experienced Senior Product Engineer for a 3-month contract in London. The role focuses on Scala backend work across payments, core banking and rewards, with cross-functional collaboration and occasional React Native work.

You’ll join a small team responsible for end-to-end delivery, architecture and infrastructure. You’ll need strong production Scala experience, familiarity with microservices and Kafka, and a track record of delivering quickly in time-critical environments.

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Posted: October 3rd, 2026