Backend Engineer — AI Fraud Platform (Node/TS & Python)

Peritus Partners in London is building an AI-powered fraud detection platform for fintech clients. We are hiring a backend-focused developer to join a YC-backed team, shaping the core engineering effort.

The role centers on building the backend with Node.js/TypeScript and Python (80%), with some React for UI (20%), and deploying in a serverless AWS architecture. Ideal candidates have 3+ years solo-development experience and love architecture and end-to-end delivery.

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