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Join the largest open source business for digital workplace technology.

Mattermost makes a difference.

Our open source, enterprise-grade collaboration platform delivers internet-era productivity to the world’s most highly secure environments. Our customers use Mattermost to communicate privately and securely while they:

  • Fight COVID
  • Defend trillions of dollars of financial assets
  • Protect national and international interests
  • Ship triple-A video games
  • Build electric cars
  • Pioneer space travel
  • Other work that makes a difference

Primed for performance.

In 2019, we announced a $20M Series A led by Redpoint Ventures, followed by a $50M Series B led by Y Combinator—its largest investment to date—and we are well capitalized to grow.

What’s it like to work here? Read more about our Leadership Principles

We’re committed to
open source.

Mattermost is the world’s largest open source project for digital workplace technology. Collaboratively developed by over 500 contributors, the platform is available in 16 languages with a rich and broad ecosystem of integrations and enhancements.

Ian Tien

Current Opportunities

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