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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.

Job Openings

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thredUP Inc.
114 Sansome St
5th Floor
San Francisco, CA 94104

Sr. iOS Mobile Engineer

Oakland, CA - Full-time

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About thredUP

thredUP is the largest online marketplace for secondhand clothing. We make buying and selling a cinch for millions of women across the globe. The company resells more than 35,000 brands across hundreds of categories at up to 90% off the estimated retail value. Headquartered in downtown San Francisco and backed by world-class investors, thredUP is reinventing the secondhand clothing industry and inspiring a new generation of consumers to think secondhand first.

About the Role

This is a unique opportunity to play an important role in evolving and growing iOS at thredUP. You’ll be a part of establishing best practices, helping to identify great hires as we grow the team, and of course working on exciting features that make an impact on the way we shop. To be successful in this role, you’ll need vision, ambition, and passion paired with a radically collaborative mindset. If you’re looking for an opportunity to build upon your success and grow with thredUP as we lead the secondhand revolution, we want to hear from you!

*thredUP is relocating to Oakland in Fall '19. This role will be expected to work in SF until then.

What We Care About

  • Building a beautiful and elegant shopping experience
  • Writing well organized, and maintainable code
  • Keeping up with Apple’s new technology as it comes available
  • Following projects beyond release to ensure the app performs quickly and robustly
  • Being open to pairing, knowledge transfer, and teaching other engineers
  • Including everyone in the pursuit of improving our processes and culture
  • Being friendly and always willing to lend a hand to others in need.


  • 5+ years of full-time experience as an iOS contributor
  • BS in Computer Science or commensurate experience
  • Experience contributing to a shared codebase
  • Excellent working knowledge of industry best practices
  • Deep understanding of advanced Swift conceptsHas architected, developed, and maintained shared libraries
  • Production app experience at scale - releasing, troubleshooting, monitoring, etc.
  • Ability to balance technical investment with business objectives
  • Passion for mentorship and learning
  • Some production experience with Obj-C (preferred)
  • Commerce app experience (preferred)
  • Open source contributions (preferred)
  • Leadership experience, or an interest in leadership (preferred)

What We Offer

  • The opportunity to make a massive impact for our business and customer alongside a team of passionate engineers.
  • The opportunity to influence outcomes for an emerging company.
  • Working within a modern tech stack with a high level of autonomy and trust.
  • Competitive salary, equity and full benefits (health/dental/vision insurance & 401k).
  • Work from home Tuesdays and Thursdays (what we call Maker Days).

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.

*thredUP is relocating to Oakland in Fall '19. This role will be expected to work in SF until then.