Staff Full Stack Engineer
Toronto, ONMattermost
Candidates need senior full stack experience in Go and React, experience owning distributed high-availability systems, and strong REST and WebSocket API design skills. They also need PostgreSQL experience, daily use of AI coding agents, and comfort working in regulated, high-compliance environments.
Go, React, TypeScript, PostgreSQL, Redis, Claude Code
Senior Full Stack Engineer
Toronto, ONMattermost
Mattermost needs strong full-stack experience in Go and React or a similar stack, plus REST and WebSocket API skills and PostgreSQL experience. Candidates must use AI coding agents daily and ship complex software end-to-end with little supervision.
Go, React, TypeScript, PostgreSQL, Redis, Claude Code