Jobs at Circle (circle.so)

Lead the AI Quality engineering team while remaining hands-on building evaluation infrastructure, CI/CD pipelines, scorers, datasets, observability tooling, and diagnostic systems for production AI agents. Design experiments across prompts and models, improve agent reliability, latency, and cost, develop annotation and simulation workflows, and partner with AI Core engineering to validate product changes.

The Senior Quality Engineer partners with product, design, and engineering teams to build quality throughout the development lifecycle. Responsibilities include exploratory and risk-based testing, web and API automation, technical investigation, CI/CD test execution, identifying product risks, improving testability and reliability, and driving organization-wide quality practices. The role also supports reusable quality platforms, automation frameworks, developer tooling, and scalable quality improvements.

Lead the AI Quality engineering team while remaining hands-on building evaluation infrastructure, observability tooling, diagnostic systems, datasets, annotation workflows, and CI/CD pipelines for production AI agents. Run experiments across prompts, models, routing, caching, and agent harnesses to improve quality, latency, and cost. Partner with AI Core engineering and manage technical direction and team priorities.

Lead Circle’s brand design across product launches, campaigns, advertising, events, social, motion, presentations, and digital experiences. Evolve the visual identity, develop scalable brand systems, translate complex software and AI capabilities into compelling visual stories, and create campaign concepts, illustrations, iconography, and launch assets. Collaborate with Product Marketing, Content, Motion, and Leadership; present creative work; maintain high visual standards; and explore AI-powered creative workflows.