Software Engineer I, Machine Learning

Etsy is the global marketplace for unique and creative goods, and they are seeking a Software Engineer to join the ML Training Data team. The role involves building and scaling infrastructure to support machine learning teams in generating training datasets for high visibility areas such as Search, Ads, and Recommendations. Responsibilities Write high-quality Scala and Python code, participating in code reviews and pair programming Optimize large-scale Spark and Dataflow pipelines with the support and guidance of your peers (e.g. optimize storage formats and reduce job runtime & cost) Work cross functionally with applied scientists to understand how our customers develop ML models, and use that understanding to clarify requirements Use generative AI and other productivity tools thoughtfully, focusing on learning and intentional contributions Proactively provide updates and ask for help as needed to ensure delivery of assigned work Learn the skills, behaviors, and knowledge necessary to be an effective and collaborative engineer Of course, this is just a sample of the kinds of work this role will require! You should assume that your role will encompass other tasks, too, and that your job duties and responsibilities may change from time to time at Etsy's discretion, or otherwise applicable with local law Skills Bachelor's degree in Computer Science or equivalent practical experience (internships, side projects, etc) Solid engineering and coding skills, with the ability to write code in Scala, Python, and/or other equivalent languages Knowledge and/or interest in machine learning and systems Proficiency with data pipelines in Spark is a plus Curiosity, motivation, and proactivity Benefits Equity package Annual performance bonus Competitive benefits Company Overview Etsy is an e-commerce site and a smartphone application for buying and selling handmade and vintage items. It was founded in 2005, and is headquartered in Brooklyn, New York, USA, with a workforce of 1001-5000 employees. Its website is Company H1B Sponsorship Etsy has a track record of offering H1B sponsorships, with 38 in 2025, 46 in 2024, 32 in 2023, 52 in 2022, 45 in 2021, 39 in 2020. Please note that this does not guarantee sponsorship for this specific role.