Be Part of a Team That Helps Others Change the World

Join Mattermost and help us build the future of secure collaboration.

Our customers use Mattermost in complex, high-stakes environments to accelerate critical workflows and operations:

Protect National and International Interests

Defend Trillions of Dollars in Financial Assets

Facilitate Emergency Comms for First Responders

Build Electric Cars and Reduce Our Carbon Footprint

Pioneer Space Travel and Take Humans to the Moon

Drive Innovation in Pharmaceutical Manufacturing

Study the Fundamental Structure of the Universe

Enable Global Coordination During High-Stakes Operations

Protect National and International Interests

Defend Trillions of Dollars in Financial Assets

Facilitate Emergency Comms for First Responders

Build Electric Cars and Reduce Our Carbon Footprint

Pioneer Space Travel and Take Humans to the Moon

Drive Innovation in Pharmaceutical Manufacturing

Study the Fundamental Structure of the Universe

Enable Global Coordination During High-Stakes Operations

Pioneer Space Travel and Take Humans to the Moon

Drive Innovation in Pharmaceutical Manufacturing

Study the Fundamental Structure of the Universe

Enable Global Coordination During High-Stakes Operations

Protect National and International Interests

Defend Trillions of Dollars in Financial Assets

Facilitate Emergency Comms for First Responders

Build Electric Cars and Reduce Our Carbon Footprint

Pioneer Space Travel and Take Humans to the Moon

Drive Innovation in Pharmaceutical Manufacturing

Study the Fundamental Structure of the Universe

Enable Global Coordination During High-Stakes Operations

Protect National and International Interests

Defend Trillions of Dollars in Financial Assets

Facilitate Emergency Comms for First Responders

Build Electric Cars and Reduce Our Carbon Footprint

Why Join Mattermost?

We're accelerating the world's mission-critical work by developing and delivering secure, open core collaboration software. When you work with us, you'll have an opportunity to join with thoughtful, talented, high-performing people that make a difference through cutting-edge technologies.

Mattermost speakers on stage at a company event

Build Your Career As You Build the Future

Advance your own growth while shaping the evolution of sovereign collaboration through our platform and open source community.

Two colleagues shaking hands at a professional event

Mission Impact You Can See

Your work is deployed in mission-critical environments supporting defense, intelligence, cyber, and critical infrastructure organizations worldwide.

Team member applauding at a company gathering

Be a Catalyst for Transformation

Operate in a high-trust, fast-moving, remote-first culture where ideas win on merit, impact is immediate, and open source collaboration drives innovation at a global scale.

Work With the Brightest Minds

Collaborate with a senior, mission-driven team solving some of the toughest challenges in secure global collaboration.

Be a Multi-Tool Player

In a growth-stage company, you'll wear multiple hats, build broad skills, and accelerate your career in ways larger enterprises can't offer.

Our Guiding Principles

Discover the values that fuel our work, and learn about our approach to everything from everyday projects to company strategy.

Customer Obsession

We exist to make customers successful. In everything we do, we start with the customer's perspective and work backwards.

Ownership

We own the outcomes of our activities. When we see a vacuum on something important, we jump in—we never say "it's not my job."

Self Awareness

We seek to understand our strengths and growth opportunities. We are open to feedback and share our ideas constructively and respectfully.

High Impact

We align our work to our shared vision and stay focused on top priorities. When deciding what to work on, we choose projects with the highest impact.

Earn Trust

We make decisions based on maximizing the trust of others in our judgments. We are open, self-critical, and factual in how we assess ourselves.

Current Openings

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Featured Jobs

Technical Sales Engineer/ Lead

Tokyo, Japan

Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes…