AI/LLM Engineer

ABOUT THE ROLE This is a hands-on AI/LLM engineering role at a fast-growing, Y Combinator–backed B2B SaaS startup building AI-powered sales automation for distributors and manufacturers. You'll work across the full stack to deliver end-to-end AI systems that have a direct, measurable impact on the product and the company's growth trajectory. WHAT YOU'LL DO - Build, deploy, and optimize AI agents end-to-end across the full stack. - Work with embeddings and fine-tune LLMs for classification and reranking tasks. - Design and optimize algorithms for product search. - Apply RLHF and DPO techniques to align LLMs with human feedback. - Build robust data pipelines to process large-scale unstructured data efficiently. - Improve backend scalability, stability, and performance. WHAT WE'RE LOOKING FOR - 2+ years of engineering experience. - Strong hands-on experience with NLP, LLMs, embeddings, ML, and AI agent development. - Demonstrated experience building and scaling data and ML pipelines, particularly for unstructured data. - Experience with vector databases (e.g., Weaviate, Pinecone) and PostgreSQL. - Full-stack development skills using React, TypeScript, and Next.js. - Familiarity with containerization (Docker, Kubernetes), cloud infrastructure (AWS, Azure, or GCP), and infrastructure as code (Terraform). - Experience with RLHF and DPO for LLM alignment. - Strong computer science fundamentals. - Willingness to work on-site in Munich, Germany. COMPENSATION & BENEFITS Salary range: €80,000 – €130,000 per year. Visa sponsorship is available. LOCATION On-site in Munich, Bavaria, Germany. Full-time, in-person presence is expected.