Ramp
Senior
Backend engineer to build correctness-critical money-movement systems on Ramp's Payments and Banking platform
Ramp's Payments and Banking team is hiring a backend engineer (5+ years) to design large-scale systems for money movement across domestic/international currencies, stablecoins, and rewards points, connecting to banking rails from small-business accounts to enterprise treasury and crypto wallets. The interview centers on systems design for correctness-critical financial infrastructure and comfort owning ambiguous, high-stakes problems end to end.
Step into this interview
Free · a live voice mock calibrated to this exact role
What this interview tests
- Systems design for correctness-critical financial infrastructure
- Building abstractions across diverse money rails (fiat, crypto, rewards points)
- Reliability and reconciliation in payment/banking systems
- Owning ambiguous problems end-to-end (architecture through production)
- Integrating with third-party banking/payments partners
Common question themes
Design a backend system for money movement with strict correctness guarantees
How would you build one abstraction that handles both bank transfers and crypto transactions?
Tell me about a time you found and fixed a subtle correctness bug in a financial system
How do you approach an ambiguous, high-stakes technical problem with no clear spec?
How would you integrate with a new third-party banking or payments partner?
Walk me through how you'd design for reconciliation and auditability at scale
Related interviews
Ramp
Mid
Data Scientist
Ramp
Senior
Senior Data Scientist, Growth
Ramp
Senior
Applied AI Engineer, Fullstack
Affirm
Mid
Software Engineer II (Money Movement & Card Ledger)
Affirm
Mid
Software Engineer II, Back-end (Card Mgmt & Transaction Processing)
Coinbase
Senior