Ramp
Mid
Build the fraud detection and identity systems that protect $200B+ in annualized spend at Ramp
Ramp is hiring a backend Software Engineer for its Fraud, User & Identity Management, and Identity team — building detection and enforcement systems for fraud and account takeover, plus the authentication/authorization primitives behind safe account access. The role requires 3+ years of backend experience and sits at the intersection of security, risk decisioning, and product.
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What this interview tests
- Backend fundamentals: APIs, distributed systems, data modeling
- Fraud/ATO detection and decisioning systems
- Enforcement tooling: identity locks, payment freezes, containment
- Observability: metrics, dashboards, alerting, incident playbooks
- Authentication/authorization and identity state
- Cross-functional work with Fraud Ops, Risk, Security
Common question themes
Designing a fraud or account-takeover detection system, including how you'd validate it against false positives
Building an enforcement mechanism (lock, freeze) and reasoning about false-positive user impact
Operating a production incident: detection, containment, root cause, follow-up instrumentation
Designing identity/authorization primitives (roles, permissions, identity state)
Building observability for a live fraud campaign — metrics and alerting design
Backend system design under real distributed-systems constraints (reliability, data modeling)
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