Mattermost

Mattermost

Visit websiteLinkedIn51-200 employees

Mattermost is the leading collaboration platform for mission-critical work. We serve national security, government, and critical infrastructure enterprises, from the U.S. Department of Defense, to global tech giants, to utilities, banks and other vital services. We accelerate out-of-band incident response, DevSecOps workflows, mission operations, and self-sovereign collaboration to bolster the focus, adaptability, and resilience of the world’s most important organizations. Our enterprise software and single-tenant SaaS platforms are built to meet the custom needs of rigorous and complex environments while offering a secure and unrivaled collaboration experience across web, desktop, and mobile with channel-based messaging, file sharing, audio calling, and screen share with integrated tooling, workflow automation, and AI assistance.

Open Positions at Mattermost

2 open positions

Toronto, CanadaSenior

Build secure, scalable full-stack features for Mattermost’s mission-critical collaboration platform across Go, React, and TypeScript. This senior role combines end-to-end ownership with AI-forward development, testing infrastructure, distributed systems, and open-source contributions.

London, United KingdomSenior

Mattermost seeks a Senior Security Engineer to harden cloud and IT infrastructure, lead security tooling initiatives, and respond to incidents across a globally distributed environment. The role combines enterprise security engineering, threat hunting, IAM, cloud security, and AI-enabled detection and response.