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.