Backend Engineer, Applied Agents

Cheiron is seeking a Backend Engineer to design and build the agent layer and backend systems that power its AI-native operating system for drug development programs. The role involves creating reliable multi-step task execution, tool-calling infrastructure, and data ingestion pipelines while ensuring AI-generated outputs are grounded in verifiable source data. This position requires strong backend engineering fundamentals and hands-on experience with LLMs, RAG, and vector databases to ship production-ready systems.