Join a fast-growing AI startup in Switzerland that is building production-grade LLM and generative AI solutions for enterprise and mission-critical environments.

They are looking to hire a Senior AI Engineer / LLM Specialist to join their Zurich-based team, focused on evaluating, fine-tuning, and operationalising large language models within real-world AI products.

This is a highly technical role where you will work closely with AI, product, and infrastructure teams to bring cutting‑edge language models into scalable production environments.

Key responsibilities

• Designing and maintaining evaluation frameworks for LLM performance, reliability, and safety
• Building automated testing suites, benchmark datasets, and model evaluation pipelines
• Improving LLM behaviour through prompt engineering, fine‑tuning, and experimentation
• Working with open‑source and commercial LLMs to optimise quality, latency, and cost
• Suppor...