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Staff AI Research Engineer

A Staff AI Research Engineer develops and deploys machine learning systems at scale, moving research from conception through production while often leading or mentoring technical teams. The work spans the full ML stack—from research and experimentation to feature engineering, model training, and deployment—and may involve specialized domains like large language models, bandit algorithms, or robotics depending on the organization. This role typically requires deep expertise across machine learning, strong systems thinking, and the ability to balance research innovation with practical business constraints.

Open Staff AI Research Engineer roles (2)

Staff AI Research Engineer

Duolingo

New York, NY · $220,800 – $331,200

Duolingo seeks an experienced AI Research Engineer to build machine learning systems balancing educational quality with revenue optimization on their Monetization team. This role suits researchers with broad ML expertise who can move ideas from conception through production while mentoring others and contributing to strategic decisions.

Listed on Duolingo’s careers site · Apply there ↗

Staff AI Research Engineer

Agility Robotics

Full-time · Fremont, CA · $216,000 – $338,000

This role leads AI research on robot learning at Agility, developing foundation models and policies that enable humanoid robots to perform real-world tasks in warehouses and manufacturing. You'll mentor junior researchers, establish team standards, and drive both technical innovation and production deployment of imitation and reinforcement learning systems.

Listed on Agility Robotics’s careers site · Apply there ↗

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