or apply directly on Duolingo's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 62 days Duolingo's roles stay open a median of 55 days
- Reposted
- No
- Salary listed
- No 0% of Duolingo's roles list one
- Ghost-job risk at Duolingo
- high 58 stale, 6 reposted of 89 open
- Hiring momentum
- 119 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-04
Measured from postings appearing on and disappearing from Duolingo's own greenhouse board since 2026-08-03. Full hiring picture for Duolingo.
About this role
As a Staff AI Research Engineer at Duolingo, you will work on the Monetization team to develop and implement AI systems that enhance the learning experience while driving business outcomes. Your role will involve collaborating with cross-functional teams, mentoring colleagues, and staying updated on advancements in machine learning, particularly in large language models and bandit models. You will also contribute to strategic decision-making and ensure the delivery of high-quality machine learning solutions.
- benefits
- 1/5
- freshness
- 1/5
- career value
- 5/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Duolingo as an employer.
What you need
- Proven experience as an AI research engineer, particularly in LLMs, bandits, or related fields
- Strong background in training and fine-tuning large models in an applied setting
- Advanced degree in Computer Science, Engineering, or a related field with a focus on machine learning or artificial intelligence, or equivalent experience
- Excellent leadership and communication skills
- Deep understanding of machine learning concepts, frameworks, and best practices
Worth weighing
- Salary range is dependent on various factors and subject to change
- Base salary supplemented by equity compensation
- No specific benefits listed in the posting
Summarised from Duolingo's posting. Read the full original.
Listed by Duolingo on their greenhouse job board, last confirmed open on 2026-10-04. PitchMeAI is not the employer.
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