Mattermost is an open source platform for secure collaboration across the entire software development lifecycle. Hundreds of thousands of developers around the globe trust Mattermost to increase their productivity by bringing together team communication, task and project management, and workflow orchestration into a unified platform for agile software development. Founded in 2016, Mattermost’s open source platform powers over 800,000 workspaces worldwide with the support of over 4,000 contributors from across the developer community. The company serves over 900 customers, including European Parliament, NASA, Nasdaq, Samsung, SAP, United States Air Force and Wealthfront, and is backed by world-class investors including Battery Ventures, Redpoint, S28 Capital, YC Continuity. To learn more, visit www.mattermost.com.

Ingenieurwesen und IT

Experience with AI tools like Claude Code, Cursor, GitHub Copilot, open-source contributions, end-to-end testing frameworks like Playwright or Cypress, expertise in defence/intelligence/security workflows

Permanent right to live and work in Germany required for applicants in Germany, remote-first company, market-based pay varying by location, commitment to diversity and inclusion, no visa sponsorship