Senior Full Stack Engineer

Mattermost

Remote regions

US

Salary range

$142,723–$172,723/yr

Benefits

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What You Will Do:

  • Architect and build full-stack features optimized for scalability and performance across Go, React, TypeScript, PostgreSQL, and Redis.
  • Leverage AI coding agents such as Claude Code and Cursor as a core part of your daily workflow while retaining full accountability for correctness, security, and design decisions.
  • Develop internal tooling and testing infrastructure to speed up the team's delivery, including agentic workflows and skills.

What We Are Looking For:

  • Strong full-stack development experience in Go and React, or a comparable stack.
  • Hands-on daily fluency directing AI coding agents for scaffolding, refactors, code review, and test generation.
  • Bias toward shipping and owning complex software end-to-end without close supervision.

How Success Is Measured:

  • First 90 days: Shipping full-stack features using an AI-forward agentic development workflow and owning testing strategy.
  • By month 6: Internal tooling and testing infrastructure built that measurably speeds up the broader team's delivery.
  • At year one: Recognized as the team's driver of agentic engineering practice, deepening ownership of distributed systems.

Mattermost

Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure, trusted by the U.S. Department of War and Fortune 500s. The company is remote-first, open-source, and has a globally distributed team built for autonomy and ownership.

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