Senior Fullstack Engineer, Payments
Core
Build the financial engine of a marketplace, including a custom double-entry ledger, payment provider integrations, and core lending products.
Role type
Senior Fullstack Engineer (Payments & Lending)
Builds
Custom double-entry ledger system, lending product infrastructure, payment gateway integrations, and high-trust user interfaces for payments and lending.
Domain
Fintech / Payments / Lending
Deliverable
production ML models | product features | infrastructure
Required skills
Backend systems design, Frontend development, SQL and relational database design, Payment processor integration, Lending product logic, Distributed systems concepts, Idempotency and race condition handling, Technical documentation, Code review and mentorship
Preferred skills
Credit/risk modeling, Alternative asset space experience
Technologies
Python, Postgres, AWS, React, TypeScript
Responsibilities
Build and maintain the custom double-entry ledger system, Design and scale lending products from credit disbursement to loan lifecycle management, Design and implement robust integrations with payment gateways and banking partners, Create high-trust user interfaces for payments and lending, Make trade-offs between rapid feature shipping and financial system correctness, Level up the team through code reviews, technical documentation, and mentorship
