Remote: Lead AI Quality Engineer — Evaluation & Observability

Company: Circle
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Job Description:

Circle, a fully remote company building an AI-powered, all-in-one platform for digital businesses, is seeking a Lead Engineer for the AI Quality Engineering team. You will design evaluation frameworks, observability tooling, and diagnostic infrastructure to ensure Circle’s AI Agents perform reliably, efficiently, and at scale.

You will lead and grow the AI Quality engineering team, stay hands-on in code, and collaborate with AI Core engineering to deliver measurable quality improvements across

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Posted: October 3rd, 2026