Senior Staff Software Engineer, Payments

What you’ll be doing

• Define and drive the multi‑quarter technical strategy for Payments, spanning rails, orchestration, and transfers, to support new products, geos, and significant growth in payment volume.
• Architect and evolve the core Payments platform (rails integrations, routing, and funds-flow services) for high availability, low latency, and cost efficiency at global scale.
• Lead end‑to‑end design and rollout of large, cross‑team initiatives (e.g., new global rails, decomp/migrations, resiliency programs), breaking high ambiguity into clear milestones and measurable outcomes.
• Set and enforce technical standards for financial correctness across Payments, including idempotency, reconciliation, failure‑mode handling, and auditability for all money‑movement paths.
• Partner closely with FinHub, Payments Risk, Regulatory Platform, and Product to design cohesive architectures that balance customer experience, risk controls, compliance, and unit economics.
• Provide deep technical mentorship to senior/staff engineers across Payments pods, upleveling system design quality, review rigor, and long‑term maintainability.
• Use data and observability signals (e.g., success rates, latency, cost, incident patterns) to identify structural platform gaps and lead systematic reliability and efficiency improvements.
• Represent Payments in executive and cross‑org forums, clearly communicating tradeoffs, aligning stakeholders on strategy, and securing buy‑in for high‑impact technical bets.

What we look for in you

• 10+ years building and operating large‑scale distributed systems in production.
• Deep money‑movement architecture experience (PSPs, ISO 20022, routing, double‑entry, high‑volume payment systems).
• Deep expertise in backend programming (e.g., Python, Go, Java) and cloud‑native architecture.
• Proven track record designing highly available, high‑performance systems.
• Ability to anticipate scaling bottlenecks before they occur and take decisive, proactive measures.
• Experience leading cross‑functional technical initiatives and mentoring senior engineers.
• Commitment to technical excellence, sharing best practices, and fostering a strong engineering culture.
• Ability to distill complex technical concepts into clear and actionable solutions.

Nice to haves

• Experience designing and operating ledgering or trading systems at large scale.
• Strong financial acumen with experience handling accounting data and financial transactions with high precision and reliability.
• Experience collaborating closely with finance and accounting teams.