Senior Full Stack Engineer

🕒 October 31

🇺🇸 United States – Remote

💵 $142.7k - $172.7k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 0%

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Mattermost

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2016

💼 Consulting

🎖️ Defense

📦 Logistics

💰 $50M Series B - Mattermost on 2019-06

Consulting • Defense • Logistics

Mattermost is a secure, purpose-built collaboration and communication platform for enterprises, governments, and mission-critical operations. It provides self-hosted and cloud-neutral deployment options (on-premises, private cloud, air-gapped) and focuses on ChatOps, DevSecOps, integrated playbooks, and out-of-band incident response to accelerate detection, response, and remediation. Mattermost emphasizes data control, compliance, and resilience for regulated and critical-infrastructure environments, integrating with existing tools and supporting secure workflows and AI integrations.

📋 Description

• Architect and build scalable, high-performance full-stack features across Go, React, TypeScript, PostgreSQL, and Redis • Use AI coding agents such as Claude Code and Cursor in the daily workflow while retaining accountability for correctness, security, and design decisions • Develop internal tooling and testing infrastructure, including agentic workflows and skills that improve AI tooling for the broader team • Own testing strategy across shipped frontend and backend code • Design and consume REST and WebSocket APIs • Maintain security and compliance standards required by government and enterprise clients • Contribute to Mattermost's open-source codebase • Ship full-stack features on the core platform within the first 90 days and own the testing strategy

🎯 Requirements

• Strong full-stack development experience in Go and React, or a comparable stack • Experience designing and consuming REST and WebSocket APIs with solid networking fundamentals • Relational database experience including PostgreSQL, schema design, and query optimization • Hands-on daily fluency directing AI coding agents such as Claude Code, Cursor, or Copilot for scaffolding, refactors, code review, and test generation • Judgment to know when to trust AI coding agent output and when to take control • Ability to ship and own complex software end-to-end without close supervision • Eligibility to obtain and maintain a U.S. government security clearance may be required • Eligibility for access to export-controlled information under U.S. export control laws, including EAR and ITAR • Experience with distributed systems or high-availability service architecture (nice to have) • Familiarity with enterprise or regulated-environment security requirements (nice to have) • Background in defense, intelligence, or critical infrastructure products (nice to have) • Open-source contributions (nice to have) • Experience working on distributed or remote-first teams (nice to have) • Experience building tools, skills, or workflows on top of AI coding agents, including MCP servers, agent skills, or CI-integrated agents (nice to have)

🏖️ Benefits

• Medical, dental, and vision coverage • Unlimited PTO • Company holidays • Work from home stipend • Annual learning and development budget for conferences, certifications, and courses • Paid parental leave for all parents • 401(k) plan • Remote-first work environment

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