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Mattermost

Senior Full Stack Engineer

Mattermost
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about 2 hours ago
Toronto, CanadaSenior

Responsibilities

  • Architect and build full-stack features optimized for scalability and performance.
  • Leverage AI coding agents in daily workflows while ensuring accountability for correctness.
  • Develop internal tooling and testing infrastructure to enhance team delivery.
  • Own the testing strategy for both frontend and backend code.
  • Design and consume REST and WebSocket APIs.
  • Maintain security and compliance standards for government and enterprise clients.
  • Contribute to Mattermost's open-source codebase.

Requirements

  • Strong full-stack development experience in Go and React or a comparable stack.
  • Experience designing and consuming REST and WebSocket APIs.
  • Relational database experience including PostgreSQL and query optimization.
  • Fluency in directing AI coding agents for various development tasks.
  • A bias toward shipping and owning complex software end-to-end.

Benefits

  • Mission-driven work supporting secure collaboration for critical organizations.
  • Remote-first culture allowing work from anywhere.
  • AI-forward environment with a focus on agentic development.
  • End-to-end ownership of complex software projects.
  • Participation in a vibrant open-source developer community.