
Mattermost
Mattermost builds an open-source, enterprise collaboration platform for secure messaging, workflow automation, and DevSecOps, deployed on‑premises or in private clouds. It sells enterprise licenses and a single‑tenant SaaS offering to government, defense, and critical infrastructure organizations, with integrations across web, desktop, and mobile. Founded in 2016 and headquartered in Palo Alto, the privately held company is used by agencies such as the U.S. Department of Defense.
Open Positions at Mattermost
2 open positions
Mattermost is seeking a Staff Full Stack Engineer to set the technical direction for its secure, open-source web platform across Go backend and React/TypeScript frontend systems. The role combines architecture, cross-team technical leadership, AI-agentic development practices, testing strategy, and hands-on full-stack delivery.
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.