About this role
Mattermost is looking for a Senior Full Stack Engineer to build and scale core web platforms for teams working in critical infrastructure and defense sectors within the United States. This position suits an experienced developer who thrives in an AI-forward engineering culture and enjoys taking end-to-end ownership of complex software systems.
Role Overview
As a Senior Full Stack Engineer, you will contribute across the Go backend and React and TypeScript web frontend to build features that meet strict reliability, compliance, and security standards. You will operate in a role where AI coding tools are integrated directly into your daily workflow for tasks like code reviews, testing, and refactoring.
Key Responsibilities
Requirements
Nice to Have
Skills and Tools
Salary and Benefits
The target salary range for this United States-based position is $142,723 to $172,723 per year, determined using a market-based approach depending on experience, qualifications, skills, location, and market conditions. Employees benefit from a remote-first culture, mission-driven work supporting critical infrastructure, an AI-forward environment, and open-source core development.
About the Company
Mattermost is a leading collaborative workflow platform designed for defense, security, intelligence, and critical infrastructure organizations. Trusted by Fortune 500 companies and the U.S. Department of War, the platform operates on-premises and in private clouds to provide secure messaging, file sharing, workflow automation, and project management with complete operational control.
How to Apply
Interested candidates should visit the official Mattermost careers page to apply for this position.
Skills and tech stack
Questions candidates ask
What is the salary range for the Senior Full Stack Engineer role?
The target salary range is between $142,723 and $172,723 per year, depending on location, skills, experience, qualifications, and market conditions.
What technical stack is used in this role?
The engineering work utilizes Go, React, TypeScript, PostgreSQL, and Redis, alongside daily use of AI coding agents such as Claude Code and Cursor.
Are there specific security or clearance requirements for applicants?
Yes. Candidates may need to obtain and maintain a U.S. government security clearance and must meet federal eligibility requirements, including U.S. export control laws like ITAR and EAR.
Is this a remote position?
Yes, Mattermost operates as a remote-first company with a globally distributed team, though this specific role is located in the United States and subject to federal eligibility requirements.
What experience is required for the position?
Applicants need strong full-stack development experience in Go and React or a comparable stack, relational database experience with PostgreSQL, API design skills, a strong bias for end-to-end ownership, and daily fluency in directing AI coding agents.