From 170K USD / year
Lead Engineer, AI Quality
AIRemote — EMEA, APAC
Published on 2026-09-23
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About this role
Circle is looking for a Lead Engineer to oversee the AI Quality engineering team, focusing on the evaluation and improvement of AI-powered features. The role involves building infrastructure for measuring AI performance, diagnosing issues, and growing datasets for evaluation. This position requires both hands-on coding and team leadership.
About the company
Circle is a technology company that provides a platform for building community-driven spaces, focusing on enabling creators and teams to engage and collaborate effectively. They offer tools for marketplace solutions, enhancing user experience through design and advanced technology.
The team
AI Quality engineering team
Stack
Ruby on RailsPython
What you'll do
- Build and own evaluation infrastructure
- Diagnose quality breakdowns
- Grow datasets for evaluation
- Run structured experiments
- Lead and grow the AI Quality engineering team
- Partner closely with AI Core engineering
What we're looking for
- 7+ years of experience in production software
- Comfortable with Ruby on Rails/Python
- Experience building evaluation or observability infrastructure
- Experience designing datasets and annotation workflows
- Ability to thrive in a dynamic environment
- Strong alignment with company values
- Proficient in English (CEFR Level C2/ILR Level 5)
Benefits
- U.S.-benchmarked compensation
- Equity with ongoing refresh grants
- 35 days of paid time off