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Mattermost
Senior Full Stack Engineer
Remote · Canada · Full time · Senior level
$115k–$138k / year
About the role
Build and scale Mattermost's core web platform for defense and critical infrastructure sectors. Contribute across Go backend and React/TypeScript frontend with strict security and compliance.
What you’ll do
• Architect and build scalable full-stack features. • Leverage AI coding agents daily. • Develop internal tooling and testing infrastructure. • Own testing strategy for frontend and backend. • Maintain security and compliance standards.
What you’ll bring
• Strong full-stack experience in Go and React. • Experience with REST and WebSocket APIs. • Relational database experience with PostgreSQL. • Daily fluency with AI coding agents. • Legal authorization to work in Canada.
Life at Mattermost
Remote-first culture with a globally distributed, high-trust team. AI-forward environment embracing agentic development. Open source at the core with vibrant developer community.
About Mattermost
Mattermost is a leading collaborative workflow platform trusted by defense, intelligence, and critical infrastructure sectors, delivering secure messaging and workflow automation.