Staff Software Engineer - Backend (Payments & Commerce)

About the Role

Key Responsibilities

• Design and implement backend services for payment acquisition, routing, risk evaluation, settlement, ledgering, and reconciliation.
• Build distributed systems that meet 5 9s reliability, low-latency, and high-throughput requirements.
• Collaborate with partners (banks, PSPs, card networks) to integrate payment rails and protocols.
• Lead backend-focused architectural reviews and make strategic technical decisions for scalability and maintainability.
• Partner with frontend, data, and infra teams to ensure end-to-end system integrity.
• Set engineering standards and mentor backend engineers across the organization.

Requirements

• 8+ years of backend engineering experience with modern languages (Go, Java, Kotlin, Rust, etc.).
• 2+ years in a Staff+ role at a high-scale tech or fintech company.
• Deep knowledge of payments infrastructure (e.g., tokenization, card networks, ISO 8583, PCI).
• Strong background in event-driven systems, data consistency models, and system reliability.
• Ability to reason through complex distributed systems and make pragmatic trade-offs.

Nice to Have

• Experience with ISO, PayFac systems, or network tokenization.
• Familiarity with KYC/AML, risk scoring, or financial compliance tooling.
• Contributions to backend or payments open source projects.