Payment API Engineer

📋 Description Design, build, maintain, and scale customer-facing payment APIs with clear contracts, predictable Lead complex projects end to end: clarify requirements, evaluate trade-offs, plan incremental Operate critical payment systems serving worldwide traffic. Participate in the team's on-call Improve performance, observability, fault tolerance, and security. Use automation to reduce Work with product and engineering partners across Block to turn payment requirements into reusable Use AI-assisted tools for design, implementation, testing, and debugging. Critically evaluate their 🎯 Requirements Experience building, maintaining, and scaling customer-facing financial or payment APIs, together Experience designing and operating high-volume, highly available distributed systems where An understanding of payment API concerns such as idempotency, retries, asynchronous processing A record of leading complex engineering projects from unclear requirements through production Experience diagnosing production issues and improving systems through monitoring, incident Fluency with AI-assisted engineering tools and the judgment to validate generated code, protect 🎁 Benefits Immediate consideration Collaborative team Modern company perks