Senior Payments Platform Engineer — Hands-On Leader

OSL seeks a hands‑on Senior Software Engineer to drive the technical direction of our payments platform, working across fiat rails, PSP integrations, and banking partners globally.

You’ll be the technical anchor of a small squad, delivering production code daily while modernising the platform for scale and a cleaner interface. Strong Java/Spring Boot with PHP readiness is essential, plus AI‑assisted development and robust observability.