Remote opportunity at
MattermostStaff Full Stack Engineer
Mattermost seeks a Staff Full Stack Engineer to establish technical strategy and scale the core web platform for critical infrastructure and defense sectors. Operating in a…
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About This Role
Mattermost seeks a Staff Full Stack Engineer to establish technical strategy and scale the core web platform for critical infrastructure and defense sectors. Operating in a remote capacity, this role involves guiding architecture across a Go backend and React and TypeScript frontend, while ensuring strict security, reliability, and compliance standards are met. The ideal candidate possesses deep experience with distributed systems, REST and WebSocket APIs, and relational databases like PostgreSQL.…
Job Description
Mattermost seeks a Staff Full Stack Engineer to establish technical strategy and scale the core web platform for critical infrastructure and defense sectors. Operating in a remote capacity, this role involves guiding architecture across a Go backend and React and TypeScript frontend, while ensuring strict security, reliability, and compliance standards are met.
The ideal candidate possesses deep experience with distributed systems, REST and WebSocket APIs, and relational databases like PostgreSQL. Mattermost maintains an AI-forward engineering culture where daily fluency with AI coding agents such as Claude Code, Cursor, or Copilot is expected for tasks ranging from scaffolding to test generation. Professionals who enjoy full-stack ownership, mentoring senior staff, and shaping open-source codebases will find this position a strong fit.
Compensation for this role ranges from USD 172,724 to 227,135 per year, determined by market conditions, location, and individual experience. Candidates may be required to obtain a U.S. government security clearance and meet federal export-control requirements under EAR and ITAR.
Responsibilities
- Design and direct the technical architecture and roadmap for the core web platform utilizing Go, React, TypeScript, PostgreSQL, and Redis.
- Establish organizational standards and best practices for AI-agentic engineering workflows using tools like Claude Code and Cursor.
- Lead testing infrastructure strategies and maintain quality standards across backend and frontend systems.
- Formulate architectural decisions for REST and WebSocket APIs based on networking fundamentals.
- Collaborate with security, compliance, and product teams on strategic technical initiatives for government and enterprise clients.
- Mentor senior engineering staff and guide the technical direction of the open-source codebase.
Requirements
- Senior full-stack development experience utilizing Go and React or an equivalent stack.
- Demonstrated background in designing and overseeing distributed systems or high-availability service architectures.
- Practical experience building and consuming REST and WebSocket APIs with strong networking knowledge.
- Relational database background including PostgreSQL, query optimization, and schema design.
- Daily hands-on fluency utilizing AI coding agents like Claude Code, Cursor, or Copilot for refactoring, test generation, code reviews, and scaffolding.
- Ability to influence technical direction across multiple teams without relying on formal authority.
- Experience mentoring senior engineers and raising team technical standards.
- Familiarity operating within regulated, high-compliance environments such as government or enterprise security sectors.
Qualifications
- Prior background operating as a staff, principal, or technical lead engineer.
- Experience maintaining an open-source project.
- Familiarity with compliance frameworks related to defense or government sectors including FedRAMP and ITAR.
- Experience scaling engineering standards across a growing enterprise.
- Background in critical infrastructure, defense, or intelligence products.
- Experience developing tools, skills, or workflows on top of AI coding agents.
Core Skills
Benefits
- Mission-driven work supporting critical infrastructure operators and the U.S. Department of War
- Remote-first work environment with a globally distributed team focused on autonomy and ownership
- Engagement in an AI-forward development culture utilizing agentic workflows
- Opportunity for end-to-end ownership across the full software stack
Frequently Asked Questions
Answers are based only on the employer’s listing; where it doesn’t say, neither do we.
Is this position remote?
Yes, this is a remote position within a remote-first culture.
What is the salary range for the Staff Full Stack Engineer role?
The target salary range is USD 172,724 to 227,135 per year, which may vary depending on location, skills, experience, and market conditions.
Are there specific security clearance requirements?
Yes, the posting notes that this role may require obtaining and maintaining a U.S. government security clearance, and applicants must meet federal eligibility requirements including U.S. export control laws like EAR and ITAR.
What technologies are used in this role?
The core stack includes Go, React, TypeScript, PostgreSQL, and Redis, alongside mandatory daily use of AI coding agents like Claude Code, Cursor, or Copilot.
Sample Interview Questions
AI-generated questions tailored to this specific role — a preview of the full practice set.