MindFort AI YC X25 Backend Software Engineer, AI Researcher Los Angeles, CA Full-Time
Backend Software Engineer and AI Researcher role at MindFort AI, building autonomous AI security agents to pen test software vulnerabilities. Key technologies include Python, Postgres, Docker, Kubernetes, LangChain, and LangGraph.
MindFort AI (YC X25) | Backend Software Engineer, AI Researcher | Los Angeles, CA | Full-Time I'm a founding engineer at MindFort ( https://www.mindfort.ai ). We build autonomous AI security agents that pen test your software before attackers do: finding, exploiting, and patching vulnerabilities. Backed by YC, Soma Capital, etc. - Software Engineer (Backend + AI) | $150k–$250k + Equity: Architect and scale our agent systems from scratch. Python, Postgres, Docker, K8s, LangChain/LangGraph. Cybersecurity background a plus but not needed. - AI Researcher | $150k–$250k + equity: Own the research behind how our agents reason, plan, and chain exploits. LLM fine-tuning, RL, eval design, multi-agent systems. Security or red-teaming background a plus. Both roles include founding-level equity, 100% health coverage and unlimited PTO. More Info + Apply At: https://www.ycombinator.com/companies/mindfort
Posted June 5, 2026