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Backend Engineer

We are looking for a backend engineer to join our talented product team devoted to creating magical learning experiences for kids. You will build the backend systems that power our service and you will help to continuously improve our engineering practices. Most important, your work will impact the way kids all over the world discover their passion.

What you’ll do

  • Be a member of a cross-functional agile team.
  • Completely own and iterate our backend system
  • Architect, develop, document, deploy and operate Node.js services that serve hundreds of thousands of kids.
  • Hack on what you want during regular hack days and an annual hacking sprint at our retreat in the woods.
  • Work from our awesome office and workshop in San Francisco’s Mission District.

Who you are

  • You are a team player and an excellent communicator – we’re a small team with big ideas. Good communication habits are essential.
  • You have at least four years of engineering experience building backend systems for both websites and mobile apps.
  • You are comfortable working with AWS or a comparable cloud platform.
  • You are expert with relational databases (We’re MySQL).
  • You are an experienced JavaScript developer.
  • You have experience working with Stripe or similar payments-processing system such as Braintree.
  • You’re at least familiar with Docker.
  • You have a deep understanding of system design, data structures, and algorithms.
  • You care about quality and you know what it means to ship high quality code.


  • Experience with image or video transcoding.
  • Experience with Ruby on Rails
  • Demonstrated passion for open source software and contributing to a developer community.
  • Fearlessness to be creative

We are proud to foster a workplace free from discrimination. We strongly believe that diversity of experience, perspectives, and background will lead to a better environment for our employees and a better services for our members. This is something we value deeply and we encourage everyone to come be a part of changing the way kids all over the world learn new skills.

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