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$220,800 – $331,200
Listed on Duolingo’s own careers site. You apply with them directly — we never stand between you and the employer.
What this role is
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.
Our summary, not Duolingo’s wording. The full posting is on their site.
Skills this role names
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What they ask for
Required
- Proven experience as an AI research engineer
- Experience training and fine-tuning large models in applied settings
- Advanced degree in Computer Science, Engineering, or related field focused on ML/AI, or equivalent experience
- Leadership and communication skills
- Deep understanding of machine learning concepts, frameworks, and best practices
Nice to have
- Experience with LLMs, bandits, or computer vision
- Familiarity with latest ML developments