Senior Payments Engineer — End-to-End Money Flows (Madrid)

Position Overview

Are you a Software Engineer who wants to own the payment experience that thousands of CFOs and travelers rely on every day? At Perk, our Payments Experience squad owns the customer‑facing layer of our payments product — how travelers and financial controllers set up payment methods, pay, receive refunds and credits, and access fintech add‑ons. You’ll build the systems that handle real money movement for 10,000+ companies, where correctness isn’t optional and the end‑user experience directly shapes how customers feel about Perk.