Lead Blockchain Payments Engineer - Fiat Ramps & Financial Infrastructure

Location: London
On-site | Full-time
Compensation: Competitive

Our client is an elite team of builders operating at the intersection of fintech and high‑scale crypto infrastructure. As a high‑growth software organization, the company is responsible for developing the technology behind some of the largest crypto social networks and digital asset launchpads globally. The organization is defined by a philosophy of extreme talent density, rapid iteration, and technical ownership.

Key Responsibilities

Payment Orchestration & Integrations

• Own end‑to‑end orchestration for major bank rails (ACH, RTP, FedNow, SEPA, Open Banking) and card networks (Apple Pay, Google Pay)
• Design and implement idempotent, fault‑tolerant APIs and robust webhook processing systems
• Manage third‑party provider integrations for connectivi...