Senior Backend Engineer – Fintech Core & Open Banking

United States Digital Space LLC is building a rewards‑driven neobanking platform in London. You will own backend services close to the consumer, shaping daily experiences with scalable, high‑availability systems and deep collaboration across product, data, and security teams.

This role emphasizes ownership, reliability, and innovation in a fintech context. You’ll work with Go, Kotlin or Python, and leverage AWS, Docker, and Kubernetes to deliver robust banking features while maintaining