Staff Performance Engineer

Mattermost, the leading provider of collaborative workflow solutions for critical organizations, is seeking a Staff Performance Engineer to elevate their platform's performance and reliability. This role combines deep technical expertise in Go and PostgreSQL with strategic architectural leadership.

The position offers a unique opportunity to impact a significant open-source project while working with mission-critical systems used by defense, intelligence, and security organizations. As a Staff Engineer, you'll be responsible for proactively identifying and resolving performance bottlenecks, architecting solutions for scale, and mentoring other engineers.

The ideal candidate will bring 3+ years of experience with Go and PostgreSQL, along with a proven track record of optimizing high-performance systems. You'll work in a remote-first environment with a global team, contributing directly to the open-source codebase through your personal GitHub account.

Key focus areas include improving the core product architecture, enhancing the load testing infrastructure, and expanding Redis caching capabilities. You'll collaborate with multiple teams, from engineering to customer success, ensuring optimal performance for enterprise-grade deployments.

This role offers the chance to work on meaningful technical challenges while contributing to a platform that enables secure, efficient operations for the world's most critical teams. The position combines hands-on technical work with strategic architectural leadership, making it ideal for engineers who want to make a lasting impact on both product and organizational levels.

Working at Mattermost means joining a company that values customer obsession, trust, self-awareness, ownership, and high impact. The remote-first culture promotes flexibility while maintaining strong collaboration across global teams. If you're passionate about performance engineering and want to contribute to a significant open-source project while solving real-world challenges for critical organizations, this role offers an excellent opportunity to advance your career while making a meaningful impact.