Senior AI Product Engineer

YOUR MISSION Join our team and build the intelligent systems at the core of Cosuno's platform. - Generative AI: Build and improve our LLM-powered systems that navigate the complex, often messy tendering workflow. - Ship end-to-end into the product: Own features from model/agent through API to the TypeScript front-end — backend service, API, and the integration into the web app. - Collaborate across teams: Work with Product, Engineering, and Data to translate business problems into shipped AI features. - Maintain production AI: Monitoring, alerting, and continuous improvement of everything we deploy. YOUR PROFILE - TypeScript, React, Node: Non-negotiable. You're comfortable shipping into our web app end-to-end — front-end, backend service, API. - Strong Python: You have 5+ years writing production-grade Python. You write clean, well-structured code. - End-to-end product delivery: You've shipped AI-powered features into a production web app and owned the integration from research code to real users. - LLM application depth: You have deep hands-on experience building and deploying LLM/agent systems — RAG, tool use, multi-step reasoning, evals. - Backend engineering skills: You design