Cosuno

Cosuno is a fast-growing tech startup building a digital procurement platform for construction. Hiring two senior roles: (1) Senior Full Stack Developer (TypeScript) — Remote (EU) / Berlin. Responsibilities: own frontend and backend features, extend platform reliability and maintainability, work in trunk-based development with daily releases, end-to-end testing and CI/CD. Requirements: 5+ years engineering experience, strong JavaScript/TypeScript, Node.js (React a plus). (2) Senior AI Engineer – LLMs & Agents — Remote (EU) / Berlin. Responsibilities: build agentic workflows with state-of-the-art LLMs to process and validate construction documents, lead MLOps/LLMops best practices. Requirements: 5+ years engineering experience with at least 1 year on LLMs, strong Python, experience deploying containerized services (Docker, Kubernetes), expertise in deep learning (PyTorch, Transformers), ranking/matching algorithms or LLMops (RAG, evals, fine-tuning). Apply via the company careers page.