Staff AI Research Engineer

Duolingo
New York, Pittsburgh
Workplace: OnsiteFull timeUSD 220,800 - 331,200 annuallyFunction: Research & Scientific (R&D)Education: mastersSkills: ["Communication","Leadership","Problem-solving"]

Join a high-impact AI/ML team on the Duolingo Monetization squad to advance bandit models and large-scale neural networks. You will train, fine-tune, deploy and monitor AI systems, collaborate with frontend/backend engineers and cross-functional partners, mentor teammates, and influence product strategy while staying ahead in LLM and bandit research.

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FursaFursa
Duolingo
Duolingo
2 months ago

Staff AI Research Engineer

âś“ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 3 hours agoStatus: Live

Job Summary

Join a high-impact AI/ML team on the Duolingo Monetization squad to advance bandit models and large-scale neural networks. You will train, fine-tune, deploy and monitor AI systems, collaborate with frontend/backend engineers and cross-functional partners, mentor teammates, and influence product strategy while staying ahead in LLM and bandit research.
Location: New York, Pittsburgh
Workplace: Onsite
Employment Type: Full time
Job Function: Research & Scientific (R&D)

Key Responsibilities

  • •Join a full-stack team of frontend, backend, and other AI Research engineers, fostering a collaborative and innovative work environment.
  • •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.
  • •Stay up-to-date with the latest developments in machine learning, particularly in LLMs and bandits, and apply this knowledge to drive advancements in our projects.

Pay and Benefits

Salary: USD 220,800 - 331,200 annually
Equity and Bonus:Equity
Perks:Equity

Key Requirements

  • •Proven experience as an AI research engineer, for example, in LLMs, bandits, computer vision, 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, with the ability to manage and inspire a team.
  • •Deep understanding of machine learning concepts, frameworks, and best practices.
Experience:Machine learningAILLMsBandits
Education:Master's
Skills:CommunicationLeadershipProblem-solving
Languages:English
Tech Stack:LLMsBanditsReinforcement learningNeural networks

Company Brief

Duolingo
Duolingo develops a gamified language-learning platform offering courses, practice exercises, and assessment tools for learners worldwide via web and mobile apps, using adaptive algorithms and motivational features to drive engagement and retention.
Industry: EdTech
Company Size: Enterprise (1,001+ employees)
Revenue: USD 500M to 1B
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Pittsburgh, United States
Founded: 2011
Glassdoor
Glassdoor: 4.2
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