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Employer:  Spin 


  • Company URL:
  • Location: San Francisco
  • Founded:  2016
  • Total Funding: $8M
  • Series: Series A
  • Company Size: 15
  • Engineering Size: 3 growing to 4
  • Visa Sponsorship: Transfers OK, TN Ok
  • Remote: No
  • Tech Stack: Rails, Go on AWS & Heroku, React Native for Mobile


Founded in San Francisco in 2016, Spin helps people move around cities by offering a convenient, affordable, and environmentally-friendly mode of last-mile transportation. Its fleet of GPS and solar panel-equipped orange-colored smart-bikes can be unlocked by scanning a QR code, and can be dropped off at any responsible parking spot at no cost to cities.

Spin co-founders Derrick Ko, Euwyn Poon and Zaizhuang Cheng met while at different Y Combinator companies, and the Spin team is comprised of engineers, designers, operators, lawyers and policy thinkers with experience from Lyft, Uber, Airbnb and other Silicon Valley companies.


  • 45 minute phone screen
    • 20-30 minutes on experience
    • 15-20 minutes live coding session through coderpad
  • Onsite 4-5 hours, 4 total sessions
    • 2 technical 2.5 hours
    • Design/Architecture
    • Own laptop in pair coding
    • Product overview
    • CEO at the end

Position 1 : Mobile Engineer 

Our mobile app is the core of our user experience. We are looking for an experienced mobile engineer to take ownership of our mobile app and work closely with the product and founding team to build an amazing experience for our users.

You'll come in on the ground floor of a fast-growing startup and lead the charge on all things mobile. Expect to move fast, ship things, and have a big say in product decisions.

  • We are looking for:
    • 4+ years building apps for iOS or Android, ideally both
    • Proven experience in developing, releasing
    • React Native nice to have
    • CS degree or equivalent work experience
  • Good to have:
    • Experience leading a team of engineers.
    • Experience in both iOS and Android is a plus.
    • Passionate believer in the relentless pursuit of good UX.
    • Experience with the full stack of web/mobile development.
    • Fearless in shipping quickly and often.
  • Ideal Companies/projects
    • Facebook mobile
    • Experience with Twitter, Uber, Pintrist, Airbnb mobile apps

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