Senior Software Engineer (Madrid)

Location: Barcelona
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Address: Barcelona, Barcelona
Employment Type: Full time
Location Type: Hybrid
Department: Engineering
Job Overview
Senior Software Engineer – Payments Experience. Own the customer‑facing layer of payments, handling payment methods, checkout, pricing, refunds, and fintech add‑ons for 10,000+ companies.
Responsibilities
Drive the payments roadmap with finance‑focused product managers and engineering managers, defining payment flows across setup, checkout, refunds, and add‑ons.
Write design documents and architect scalable, auditable payment systems with idempotent state machines.
Coordinate cross‑squad deliverables with Payments Governance and Payments Platform, lead incident response for production issues.
Mentor peers on reliable financial system design and provide...