Senior Full-Stack Engineer — AI-Driven Secure Platform

Mattermost; Oregon; Hybrid; USD 143,000 - 173,000; Full time

Benefits offered by this job

Remote-first culture

Unlimited PTO

Work from home stipend

Learning & development budget

Paid parental leave

401(k) plan

Job summary

Mattermost is seeking a Senior Full Stack Engineer to scale the core web platform for defense and critical infrastructure. You will contribute across Go backend and React/TypeScript frontend, building features that meet strict security, compliance, and reliability requirements.

You will work with AI coding agents as a core part of daily workflow, ensuring correctness and accountability while shipping end-to-end software.

Qualifications

• 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, schema design, and query optimization.
• Hands-on fluency directing AI coding agents for scaffolding, refactors, and test generation.

Responsibilities

• Architect and build full-stack features optimized for Go, React, TypeScript, PostgreSQL, and Redis.
• Develop AI-assisted workflows while ensuring security and design integrity.
• Build internal tooling and testing infrastructure to speed delivery.
• Own testing strategy across frontend and backend code you ship.
• Design and consume REST and WebSocket APIs with solid networking fundamentals.
• Maintain security and compliance standards for government and enterprise clients.
• Contribute to Mattermost's open-source codebase.

Skills

Go

React

REST APIs

WebSocket

PostgreSQL

AI coding agents

Tools

Claude Code

Cursor

Copilot

Job description

Mattermost is seeking a Senior Full Stack Engineer to scale the core web platform for defense and critical infrastructure. You will contribute across Go backend and React/TypeScript frontend, building features that meet strict security, compliance, and reliability requirements.

You will work with AI coding agents as a core part of daily workflow, ensuring correctness and accountability while shipping end-to-end software.