Duolingo

Staff AI Research Engineer

Duolingo$220K — $331K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Proven experience as an AI research engineer, especially in large language models and bandits.
  • Strong background in training and fine-tuning large models within practical applications.
  • Advanced degree in Computer Science, Engineering, or a related field focused on machine learning or AI, or equivalent experience.
  • Excellent leadership and communication skills, able to inspire and manage a team.
  • Deep understanding of machine learning concepts and best practices.

Responsibilities

  • Join a collaborative full-stack team of engineers to foster innovation.
  • Contribute to developing and training bandit and large-scale neural network models.
  • Collaborate with cross-functional teams to align model outputs with company goals.
  • Participate in strategic product and business decision-making within the Monetization leadership group.
  • Stay updated on ML advancements, especially in large language models and bandits, and apply this knowledge.
  • Mentor team members, providing guidance for their professional growth.
  • Ensure delivery of high-quality, scalable machine learning solutions.

Benefits

  • Comprehensive health and wellness programs.
  • Equity compensation packages for employees.
  • Professional development opportunities and mentorship.
  • Flexible working conditions fostering work-life balance.
Full Job Description
About the role...

We are looking for an experienced AI Research Engineer to join our Duolingo Monetization team. The ideal candidate will have a proven track record as an AI research engineer, with extensive experience across various machine learning techniques including large language models, multi-armed bandits, and more. They will have experience at all levels of the ML stack, including feature engineering, developing training data, fine-tuning, reinforcement learning, quality evaluations, deployment, and monitoring. On the Monetization team, we're building AI systems to improve the learning experience while driving our business, including deploying our research into bandit models to balance revenue and retention. Given the broad set of AI domains, broad experience in AI/ML is highly desirable.

You will...
  • 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.
  • Mentor team members, providing guidance and support in their professional development.
  • Ensure the delivery of high-quality, scalable, and efficient machine learning solutions.


You have...
  • 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.


The offered salary is dependent upon several factors, including work experience, skills, and internal peer comparisons. The posted range is subject to change in the future. For this role, base salary is supplemented by equity compensation. We encourage you to talk with your recruiter for more information related to compensation for this role!

Salary Range:

$220,800-$331,200 USD

Benefits: Take a peek at how we care for our employees' holistic well-being with our benefits here.

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Accommodations: We will do everything we can within reason to make sure that your interview takes place in an environment that fairly and accurately assesses your skills. If you need assistance or accommodation, please contact [redacted].

About Duolingo

Duolingo is a language-learning platform that includes a language-learning website and app, as well as a digital language proficiency assessment exam. The company was founded in 2011 by Luis von Ahn and Severin Hacker. Duolingo offers courses in over 40 languages, including Spanish, French, German, Italian, and Chinese. The platform is free to use, but users can pay for additional features. Duolingo has won numerous awards for its innovative approach to language learning.
Learn more about Duolingo
Size
400 employees
Market Cap
$2.7 billion
Industry
Founded
2011
NASDAQ

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