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Senior Product Engineer (AI Agents)
<h2>Your mission</h2><p style="min-height:1.5em">Join our team and build the intelligent systems at the core of Cosuno's platform.</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Generative AI: Build and improve our LLM-powered systems that navigate the complex, often messy tendering workflow.</p></li><li><p style="min-height:1.5em">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.</p></li><li><p style="min-height:1.5em">Collaborate across teams: Work with Product, Engineering, and Data to translate business problems into shipped AI features.</p></li><li><p style="min-height:1.5em">Maintain production AI: Monitoring, alerting, and continuous improvement of everything we deploy.</p></li></ul><p style="min-height:1.5em"></p><h2>Your profile</h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">TypeScript, React, Node: Non-negotiable. You're comfortable shipping into our web app end-to-end — front-end, backend service, API.</p></li><li><p style="min-height:1.5em">Strong Python: You have 5+ years writing production-grade Python. You write clean, well-structured code.</p></li><li><p style="min-height:1.5em">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.</p></li><li><p style="min-height:1.5em">LLM application depth: You have deep hands-on experience building and deploying LLM/agent systems — RAG, tool use, multi-step reasoning, evals.</p></li><li><p style="min-height:1.5em">Backend engineering skills: You design APIs, data pipelines, and services.</p></li><li><p style="min-height:1.5em">Product mindset: You're comfortable with ambiguity and can judge when something is good enough to ship.</p></li><li><p style="min-height:1.5em">Sharp problem solver: You look at a complex system, quickly identify what matters, and decide what to do next.</p></li><li><p style="min-height:1.5em">Bias for action: When you're unsure something will work, your instinct is to find out with data rather than keep wondering.</p></li></ul><p style="min-height:1.5em"></p><h2>How We Build: Our Engineering Culture</h2><p style="min-height:1.5em">We believe in a calm, collaborative, and productive engineering environment. We trust our engineers and give them the autonomy to do their best work. Our approach includes:</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Agile & Fast-Paced: We practice trunk-based development with daily releases to get value into our users' hands quickly.</p></li><li><p style="min-height:1.5em">Quality by Default: We maintain a comprehensive Cypress E2E test suite and enforce strict typing, linting, and formatting rules to keep our codebase clean and maintainable.</p></li><li><p style="min-height:1.5em">DevOps Mindset: Our well-oiled CI/CD pipeline deploys to AWS via Kubernetes, with our entire infrastructure managed as code using Terraform.</p></li><li><p style="min-height:1.5em">Collaboration & Transparency: We value open discussion, constructive code reviews, and a culture where the best idea wins, regardless of who it comes from.</p></li></ul>