Lead AI Quality Engineer & Platform Architect

Circle is seeking a Lead Engineer for the AI Quality team to design and build evaluation frameworks, observability tooling, and diagnostic infrastructure for its AI-powered platform. You will be a hands-on player-coach, leading the team while contributing code and collaborating with AI Core engineering to improve quality, performance, and cost efficiency across models and agents.

This role requires strong experience with eval pipelines, RoR/Python, and ML/AI datasets, and offers remote-first