Backend Engineer, Database Excellence (Ruby)

Remote, Canada; Remote, USRemotePosted February 5, 2026

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RubySQLRailsPostgreSQLGitLabDevOps

Job Description

GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Our mission is to enable everyone to contribute to and co-create the software that powers our world. When everyone can contribute, consumers become contributors, significantly accelerating human progress. Our platform unites teams and organizations, breaking down barriers and redefining what's possible in software development. Thanks to products like Duo Enterprise and Duo Agent Platform, customers get AI benefits at every stage of the SDLC.

The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software.

An overview of this role

As an Intermediate Backend Engineer in the Database Excellence group, you'll develop and enhance the frameworks, patterns, and tooling that keep GitLab's application datastores scalable, healthy, and safe across GitLab.com and thousands of self-managed instances. You'll work closely with experienced engineers and cross-functional teams to build reliable backend features, learn best practices in data architecture and lifecycle management, and contribute to identifying and addressing performance improvements in our infrastructure. As part of the Data Engineering organization, you'll gain hands-on experience with PostgreSQL and Ruby on Rails in an all-remote, highly collaborative environment where you'll receive mentorship and grow your skills in data scalability and system design.

Some examples of our projects:

What you'll do

Develop and iterate backend features and data frameworks that make it safe and efficient to work with data at scale across GitLab.com and self-managed deployments.
Collaborate with product management, UX, frontend, infrastructure, software delivery, and analytics teams to design and ship high-performing, reliable solutions.
Review and improve database-related changes from other engineers and external contributors to ensure data integrity, safety, and performance across diverse environments.
Design, build, and maintain tooling such as SQL traffic replay and background operations frameworks to proactively detect and address scalability and performance issues.
Research, design, and implement improvements to database performance, scalability, and data health, including areas like soft delete strategies and database migration testing.
Document database best practices, anti-patterns, and data architecture guidance so developers can make informed, consistent decisions.
Create proactive tooling and guardrails that help developers detect and remediate potential performance and data issues early in the development lifecycle.

What you'll bring

Professional software engineering experience working with PostgreSQL in large, complex production environments, including performance tuning and troubleshooting.
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