Job brief: Staff AI Research Engineer

What JoRoute checked · Checked by JoRoute

• Listed on Duolingo's own job board. JoRoute does not take listings from job ads or recruiters.
• First seen by JoRoute 2026-11-04 (3 days ago); last confirmed on the board 2026-11-07.
• The apply link opens careers.duolingo.com, the address Duolingo's board gives for this job.
• The same title for the same place was listed 1 other time on this board in the last 90 days: several openings, or a re-posted job.
• No layoff notices (WARN) under this name in the state files JoRoute reads.

What the listing says · Employer's own words, not checked

• Pay: $220,800 to $331,200 a year
• Job type: Not stated
• Where: New York, NY; Pittsburgh, PA · New York, NY · Pittsburgh, PA
• Posted: 2026-06-26 · over 60 days ago

What the job asks · Employer's own words, not checked

Level: Lead / staff. The title says "Staff".

Must have

• Advanced degree in Computer Science, Engineering, or a related field with a focus on machine learning or artificial intelligence, or equivalent experience.

Main duties

• Contribute to the development and training of bandit models and large-scale neural network models.
• Collaborate with cross-functional teams to understand their needs, to align the models’ outputs with company objectives.
• Participate in and help drive strategic product and business decision-making as a member of the Monetization leadership group.
• Mentor team members, providing guidance and support in their professional development.
• Ensure the delivery of high-quality, scalable, and efficient machine learning solutions.

Lines copied from the posting, not rewritten. "Preferred" or "nice to have" items are not listed as must-haves.

How it compares · Compared by JoRoute from listings

• Typical listed pay for engineer jobs in New York, NY: $190k a year (479 listings, 39 employers). This listing is 45% higher.
• Across Duolingo's 48 open listings, 58% of those with a posting date were first posted more than 60 days ago. How Duolingo hires

What nobody outside the employer knows · Not known

• Whether the role is already filled or on hold: employers often leave listings up.
• How many people applied, and who reads the applications.
• Where in the published range an offer would land.

Ask before you apply

1. Is this role still open, and when do you hope to fill it?
2. How many people are you hiring for this role, and is it a new opening or a re-posted one?
3. Which of the listed places is this role based in?
4. What are the interview steps, and when should I expect to hear back?

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Next steps

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