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.

We are looking for experienced backend engineers to deal with the challenge of designing and maintaining a fault tolerant system that handles thousands of connected IoT devices and mobile apps at scale.

Our stack currently looks like:

  • Ruby/Rails (and RSpec)
  • Go
  • redis
  • PostGIS
  • AWS and Heroku

We are looking for:

  • Experience shipping production code
  • Ownership of the code you write, including how it works in production
  • Testing
  • Ruby experience
  • This position is full-time and on site. You're expected to work from the office in SF most days

Good to have's:

  • Bike experience
  • Go experience
  • Enthusiasm for functional-ish programming


  • The opportunity to grow with and shape the direction of the company
  • Free Spin credits every month
  • Great health benefits
  • Unlimited vacation policy
  • Daily lunches

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