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Senior Mobile Developer

OneSignal’s 15 first-party Mobile and Javascript SDKs are installed into hundreds of websites and applications that reach 500 Million unique users a month. Our SDKs must remain easy to install, work alongside other services and consistently improve as we add new features.

This is no small feat, but the effort is well worth it: Our clients rave about the quality, documentation, and ease of use of our service.

We're looking for a skilled developer to help us build upon and maintain SDKs across over a dozen platforms. The right candidate must have the skill and confidence to rapidly learn new programming languages, programming techniques, and fearlessly troubleshoot bugs in mobile devices and web browsers.

Your responsibilities will include:

  • Writing code in Java, Swift, Objective-C, C#, Lua, C++, JavaScript, and more.
  • Writing high quality open-source code in previously unfamiliar programming languages.
  • Creating and maintaining open source SDKs used by tens of thousands of developers.

We’re looking for someone who:

  • Is a true polyglot programmer, able to quickly learn and bounce between writing software in C++, to JavaScript, to Lua with ease.
  • Has built and published a native app for iOS or Android.
  • Enjoys diving deep to find solutions to tricky bugs.
  • Gets excited about the opportunity to join a small but fast growing startup company.

What you get:

  • Competitive salary, generous equity, Health and Dental, flexible office hours, daily meals and snacks paid for by the company.
  • The opportunity to be on the founding team of a fast growing business backed by top investors including YC, SV Angel, Rakuten (Pinterest, Lyft), and Justin Kan.
  • To work on a product that’s used and loved by tens of thousands of developers, including startups as well as some of the largest technology companies in the world.
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