Work at Heartex

Open position: Front-end software engineer

Location: Remote

Heartex creates innovative data labelling tools. We see the future without click-farms and cheap labor pretending to be an AI system. Front-End Developer at Heartex plays a critical role in advancing the interface of our labelling tool. We expect you to be startup-minded and move extremely fast.


  • Use your extensive knowledge of JS and software development to improve data labelling tool
  • Resolve customer-facing issues and fix bugs
  • Develop practices to enhance code quality and ease of maintenance, write tests

You're a good fit if you...

  • Have experience in creating complex React applications
  • Have expertise in building complex layouts with CSS and HTML
  • Have strong UX and design sensibilities
  • Have experience with high quality code practices and testing
  • Have experience with software performance optimization
  • Are not afraid of touching backend code
  • Are able to learn quickly and move even quicker
  • Are goal-oriented & practice a getting things done approach
  • Keep things as simple as possible but not primitive
  • Care about the business implications of anything you build. You're not just creating cool stuff because it's fun

Bonus points for

  • Academic background in computer science (BSc or MSc)
  • 5+ years of experience writing client-side JS
  • Mobx State Tree experience
  • Experience with ES6

How to apply

Sounds like a good fit for you? Please email Mike at, and include:

  • Example link to your JS projects, preferably with code
  • Any other links that showcase the relevant things you've built, LinkedIn, Github, etc.
  • A resume, short free form is okay
814 Mission St., San Francisco, USA
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