Senior Staff Software Engineer, Payments

Responsibilities

• 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.

Requirements

• 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.