full_time

Senior AI Engineer – LLMs & Agents

Posted by Cosuno Ventures GmbH • Berlin, Berlin, Germany

📍 Berlin, Berlin 🕒 February 19, 2026

About the Role

Your mission

  • Architect our core AI assistant: Lead the technical development of an agent that helps construction professionals process, improve, and validate complex construction documents.

  • Engineer robust agentic workflows: Own tool use, complex RAG pipelines, guardrails, and sub-agent orchestration.

  • Master context and memory: Solve state-management challenges to ensure coherent, long multi-turn interactions.

  • Own the feedback loop: Implement online and offline evaluation frameworks to balance latency, cost, and quality.

  • Drive product impact: Work with Product and Engineering to turn ambiguous business problems into concrete technical solutions.

  • Production-grade engineering: Write clean Python code and establish observability so agents are reliable in production.

  • Explore future horizons: Identify opportunities to expand capabilities, for example with multimodal inputs like vi...

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