Senior Software Engineer, Card Authorization
Core
Build real-time card authorization and fraud-prevention systems for a modern card issuing and processing platform.
Role type
Senior Software Engineer (Backend/Fraud)
Builds
Real-time authorization systems, rules engine, 3D Secure integration, and transaction monitoring tools.
Domain
Fintech / Payments / Fraud Prevention
Deliverable
production ML models | product features
Required skills
Backend systems development, Rust, distributed systems, system design, payments domain knowledge, AI tools usage
Preferred skills
Full stack experience, fraud prevention experience
Technologies
Rust, Python, Java
Responsibilities
Write reliable, secure, scalable code for real-time authorization and fraud-prevention systems; Build customer-facing features like rules improvements and 3DS flows; Improve system reliability and participate in on-call rotation; Lead efforts to improve systems and processes within the team.
Seniority
Senior, hands-on IC
