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Come work with us! Building the worlds largest platform for like-new clothing is a unique and exciting opportunity and a chance to improve the lives of families while reducing our impact on the planet.

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thredUP Inc.
969 Broadway
Suite 200
Oakland, CA 94607

Data Scientist - Marketplace

Oakland, CA - Full-time

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About thredUP

thredUP is the world’s largest fashion resale platform, inspiring a new generation to think secondhand first. The company has spent the past 10 years reinventing resale, building a marketplace and infrastructure now poised to power the $50B resale economy and usher in a more sustainable fashion future. Millions of consumers use thredUP as the easiest way to sell their clothes and shop over 35,000 brands at up to 90% off — online, in stores or via “try-before-you-buy” Goody Boxes. Backed by world-class investors, thredUP designed a resale engine that has redistributed nearly 100 million unique garments from closets across America and is now powering resale for the broader fashion industry via its Resale-As-A-Service (RAAS) platform.

About the role

At thredUP, we’re working to revolutionize the clothing industry and we're looking for a curious and creative Data Scientist to help manage our complex multi-sided marketplace. As part of our data science team, you will work cross-functionally to build and refine the algorithms that drive pricing, supplier acquisition, and inventory management efforts. You will be working with a highly interdisciplinary team of data scientists, software engineers, analysts, and product managers. If you get excited about data-driven decision making and want to dig deep into the dynamics of a highly dynamic marketplace, we’d love to hear from you.


  • Implement end-to-end algorithmic solutions to drive decisions around item acceptance, item pricing, and discounting and clearance strategies for 3.5M unique items in inventory and 1.5M new items every month.
  • Develop rigorous and reliable forecasting systems to bring predictability to our planning around inventory growth and economics
  • Create mathematical representations of the flow of items into and out of our marketplace
  • Provide actionable data-driven recommendations to achieve the ideal assortment that maximizes growth and value for all marketplace participants
  • Drive the strategy for promotions, merchandising campaigns, and sales, and investigate their effect on inventory and buyer mix
  • Uncover insights in our vast repository of raw data and provide tactical guidance on how to accelerate the flow of inventory through our platform
  • Participate in our knowledge-sharing culture by spreading best practices and learnings from prior experiences, helping the entire team level up


  • Prior experience working with marketplaces, and/or a relevant background in economics, operations research, or similar
  • At least 3 years of experience in data science or software engineering roles developing production machine learning systems
  • Masters or PhD in a relevant discipline, or the equivalent in experience and evidence of exceptional ability
  • Ability to effectively work with business leads; strong cross-functional communication skills that help push projects forward
  • Encourage the development of new collaborations
  • Innate curiosity and drive to find insights that unlock new growth or efficiency - you can’t help but dig in and seek the truth
  • Well-rounded skill set in statistics, machine learning, production software development, and project management
  • Advanced knowledge of SQL and Python, and experience writing code in a collaborative environment

What We Offer

  • The opportunity to make a massive impact & influence outcomes for our business and customers alongside passionate coworkers
  • Autonomy. The ability to make, own, and carry out decisions
  • Competitive salary, equity and full benefits (health/dental/vision insurance & 401k)
  • Work from anywhere Tuesdays and Thursdays (what we call Maker Days)
  • Catered lunch on Wednesdays, cold brew coffee, Kombucha and beer on tap
  • Flexible Time Off

At thredUP, our mission has been built on extending the lives of millions of unique clothing items. Much like our inventory, we believe diversity is key. As a diverse and inclusive workplace, we are committed to ensuring our employees are comfortable bringing their authentic selves to work every day. A unique perspective is critical to solving complex problems and inspiring a new generation to think secondhand first. Everyone is welcome - be you.