Senior AI Research Engineer
$197,200–$266,800 year
On-siteNew York, United States
Job Summary
Contribute to the development and training of large-scale neural networks, speech recognition, and text-to-speech systems while conducting feature engineering, developing training data, fine-tuning, and reinforcement learning. Collaborate with cross-functional teams to align model outputs with company objectives and participate in strategic product and business decision-making with leadership. Mentor team members and ensure delivery of high-quality, scalable machine learning solutions across the ML stack. Join a full-stack team fostering innovation to improve the learning experience for Duolingo's half-billion users.
Required Qualifications
- Proven experience as an AI research engineer
- Experience across various machine learning techniques including large language models, speech models, benchmarking, and/or personalization
- Experience at multiple levels of the ML stack, including feature engineering, developing training data, fine-tuning, reinforcement learning, quality evaluations, deployment, and monitoring
- 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 lead and inspire a team
- Technical depth sufficient to guide architecture and implementation trade-offs, evolve quality standards, and mentor engineers on best practices
- Deep understanding of machine learning concepts, frameworks, and best practices
Desired Qualifications
- Broad experience in AI/ML
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