Founding AI Engineer (Remote) - RL Security & Apps

Harden is seeking a founding AI Engineer to design and ship RL-driven optimization loops for security-hardening of AI-generated apps. You’ll work across research, ML engineering, and security engineering to production systems inside CI/CD and BYOC environments. You will build backend services, train reward models, and scale distributed training for AI-assisted code analysis. A hands-on, collaborative engineer with strong Python and systems skills will thrive in our fast-moving startup.

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