AI / LLM Engineering (Werkstudent)

About the job

CognitX AI GmbH is building a privacy-first AI advisor for data analytics and process automation. We let people ask complex questions about their data in natural language and get trustworthy answers, visualizations, and automated actions. Our architecture connects directly to enterprise sources, and executes analyses through a secure compute layer. On-prem and cloud deployments are first-class.

The Role

As a Working Student in AI / LLM Engineering, you’ll help design, build, and evaluate Agentic AI systems that turn questions into reliable analytics and automated workflows. You’ll work across model prompting / tool-use, data access, and evaluation, collaborating closely with our senior AI experts on real enterprise use cases.

Tasks

What you’ll do :

• Build and improve agentic workflows (tool / function calling, planning, self-checks) for analytics, summaries, and visualizations, task automation.
• Implement adapters / tools to connect LLMs with internal and external services.
• Contribute to our FastAPI backend (clean interfaces, validation with Pydantic, tests).
• Develop evaluation metrics to measure accuracy, latency, and cost.
• Optimize prompts, retrieval / contexting, and execution strategies for privacy, reliability, and performance .
• Ship in containers (Docker) and collaborate on deploys (Kubernetes), CI, and observability.
• Document decisions and share learnings with the team.

Requirements

What you bring :

Nice to have :

Benefits

Why CognitX