Staff AI Research Engineer

TrulyHired; New York (NY); On-site; USD 220,800 - 331,200; Full time

Job summary

TrulyHired is seeking an experienced AI Research Engineer to join their Duolingo Monetization team in New York. In this role, you will work on developing AI systems that enhance learning experiences and drive business objectives.

The ideal candidate has proven experience in AI research, particularly with machine learning techniques such as large language models and bandits. A strong educational background in Computer Science or related fields is required, along with leadership capabilities. The position offers a competitive salary range from $220,800 to $331,200 annually.

Qualifications

• Proven experience as an AI research engineer, especially in LLMs and bandits.
• Strong background in training and fine-tuning large models.
• Excellent leadership and communication skills.

Responsibilities

• Join a collaborative team of AI engineers and contribute to model development.
• Collaborate with cross-functional teams to align model outputs with objectives.
• Mentor team members and ensure high-quality machine learning solutions.

Skills

AI research

Machine learning techniques

Leadership and communication

Feature engineering

Education

Advanced degree in Computer Science or related field

Tools

Large Language Models

Reinforcement Learning

Job description

Staff AI Research Engineer

We are looking for an experienced AI Research Engineer to join the 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 are building AI systems to improve the learning experience while driving our business, including deploying our research into bandit models to balance revenue and retention. A broad set of AI domains and 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 and 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.

Salary Range

$220,800 - $331,200 USD

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 [email protected]

Equal Employment Opportunity

Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

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