Principal Engineer - Payments Products & Platform
Core
Designing and running large-scale distributed systems for payments products and platform, handling billions of dollars across 150,000+ daily transactions.
Role type
Principal Engineer (Payments Products & Platform)
Builds
Checkout, payment methods, flexible payments, AI payment agents, provider integrations, bill payments, and a product-agnostic API.
Domain
Fintech / Payments / Distributed Systems
Required skills
Large-scale distributed systems design, API-first architecture, modern backend languages (C#, Java, Go, C++), SQL and NoSQL, cloud-native platforms (AWS), AI tooling utilization, A/B test design and analysis, legacy system modernization, mentoring.
Preferred skills
Payments or fintech domain experience, growth hacking expertise.
Technologies
C#, Java, Go, C++, AWS, SQL, NoSQL, microservices.
Responsibilities
Set technical strategy across multiple teams, design multi-year payments architecture, review and decide on extending/migrating/rebuilding systems, model AI tooling usage, mentor Staff and Senior engineers, drive engineering standards.
Seniority
Principal, strategy & mentorship
