101 - 250 employees
51 - 100 engineers
$50m - $100m funding

Founded on one of the world’s largest open source projects, Mattermost increases agility, efficiency and innovation in the world’s leading enterprises through modern collaboration solutions. We’ve transformed the digital workplace at Uber, NASA, Samsung, the U.S. Department of Defense and hundreds of other organizations.

Mattermost enables enterprises to achieve world-class productivity by empowering employees to collaborate with colleagues across the world.

We develop two products: Mattermost Team Edition, an open source Slack-alternative for teams written in Golang, React and React Native, and Mattermost Enterprise Edition, a flexible high scale digital workplace built for the world’s largest organizations.

Mattermost is a distributed company with engineers spread out all across the world. From time to time, we get together at meetups with both staff and community to get to know each other, to build our products together and to shape our process and our products through discussion.

Why join us?

  • Do the best work of your career—and keep the code. Build solutions in leading-edge technologies and keep the vast majority of the code you write as open source software, ready to be shared with the world for the rest of your career.

  • Enjoy the freedom of a results-focused culture. Have the freedom to work from home or wherever you want. Never commute again. We minimize meetings and interruptions, so you can work at the times of day when you’re most productive. You’re a trusted member of the team. Your work speaks for itself.

  • Create technology that transforms how work gets done. You’ll have the opportunity to improve Mattermost every day. Your efforts increase productivity for yourself, your team, your company and thousands of organizations around the world using our open source software.

Engineering at Mattermost

Engineering team and processes

Work in a fast-paced, fast-growing environment. There’s no shortage of different projects to work on at Mattermost. Collaborate with colleagues and the open source community to ship monthly updates that relentlessly improve both product and infrastructure.

Build technology for today’s leading organizations. Engineering a mission-critical application is a huge responsibility. We work hard to ensure that our products deliver value to our customers in an extremely reliable way.

Grow your expertise in full-stack development. Become an expert in developing a cutting-edge platform that’s built in Golang that runs on modern cloud platforms such as AWS and Azure.

Technical Challenges

Building a high performance messaging system with challenges around scaling from 700K messages a day to 100M messages a day and 10k to 100k concurrent users.

Tech stack
React JS

Working at Mattermost

Join an outstanding team - Work with thoughtful, talented, high performance teammates who care about results.

Build on the cutting edge - Develop in Golang, React, React Native, Kubernetes and other technologies changing the world.

Work anywhere - No commute, complete control of your environment and freedom to travel.

Keep your code - Get paid to work in open source. Keep the code you write at work, and share it with the world.

Grow wildly fast - Join a growing open source project, a growing business, and a growing company.

Improve a product you use every day - Work on a team with deep empathy for users and customers.

Enjoy life - Output matters, not hours worked. Enjoy life, don’t commute, don’t burn out.

Learn, master, teach - Build new skills, become an expert and train others—that’s core to our culture.

Have friends around the world - Make friends with staff and hundreds of contributors in dozens of countries.

Unlimited vacation - Take time off when you need it. Just plan ahead and let your teammates know.

Global meetups - At least annually, you’ll fly to meet your team and community around the world in cities like Las Vegas, Lisbon, Austin and Toronto.

Health insurance - Mattermost pays 100% of premiums for U.S. employees for its medical, dental and vision programs.

401(k) contribution - U.S. employees reduce their tax bill and save for the future with a company 401(k) program.

Technology - Choose the devices, gadgets and gizmos you need to do your job most effectively and we’ll send them to you.

Perks & benefits
Our Team by the Numbers

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