Software Engineer I, Core Data

Etsy is the global marketplace for unique and creative goods, and they are seeking a Software Engineer I to join their Core Data team. The role involves building systems and infrastructure for data pipelines, ensuring data quality, and collaborating with product engineering teams to support data-driven decision-making. Responsibilities You will work with your team to improve our pipeline that helps us understand how buyers arrived at Etsy and their experience on the site and app You will help build and maintain streaming datasets that power our search, ads, and recommendation systems You will support evolving our bot filtering rules to ensure the quality of our data You will partner with product engineering teams to ensure that data collected is of high quality and consistent across all of our platforms You will help maintain and update core datasets that are reusable and cover the needs of our analytics, product, and engineering partners 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 Familiarity with integrating low-latency and batch processing Experience working with event-based data systems Experience with stream processing systems like Kafka Streams, Spark, or Dataflow Ability to write SQL queries for data exploration and analysis Effective communication skills with people as much as writing code Generosity with time and experience, able to mentor and learn from other engineers Ability to tackle unconstrained problems and know when to seek help Flexibility with languages and tools, willing to learn whatever is necessary to get the job done Experience with Spark, Kafka, Airflow, Looker, Dataproc, and BigQuery 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.