Senior Machine Learning Engineer I

Responsibilities: Lead engineering plans by breaking down problems, estimating milestones, and coordinating delivery Mentor junior teammates to ensure high-quality code and ML solutions Collaborate with engineers, product managers, and designers to align model capabilities with product goals Develop, optimize, and deploy large-scale ML models to drive key outcomes Run controlled experiments (A/B tests) to evaluate ML-powered product changes Partner with product managers, ML engineers, full-stack engineers, and designers to deliver content to millions of users Adapt to additional tasks as needed as part of Etsy’s evolving priorities

Key requirements: Proven experience applying ML techniques to real-world problems (NLP, image processing, reinforcement learning, deep learning, multi-modal learning, or large language models) Proficiency in databases, SQL, and scripting languages Experience training, deploying, monitoring, debugging, and iterating production ML systems Ability to take projects from design to delivery, individually or in teams, with clear, maintainable code Awareness of end-user impact and user-centric thinking Collaborates effectively with cross-functional partners Strong communication and planning to span multiple squads and systems Mentor and lead within engineering teams Natural language processing (NLP) Image processing Reinforcement learning