Staff AI Research Engineer, Monetization at Duolingo · LumiJobs

Responsibilities

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.
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.
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.

Staff AI Research Engineer, Monetization

Responsibilities

Qualification

Required

Benefits

Company

Duolingo

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