About this role
Senior Software Engineer, Agentic Systems at Horizon3 AI. Location: Chicago or United States. Role: building harness, designing tools, evaluating performance Requirements: 5+ years building production software with strong Python; hands-on experience building LLM-powered agents, prompt/context engineering, production LLM reliability, evaluation harnesses, testing and observability. Category: Software Development Seniority: Senior Level Tools: Python, LLM, AWS Bedrock, Neo4j, NodeZero Commitment: Full Time Workplace: Remote Languages: English