Senior Backend Engineer - Database Change Management

GitLab is seeking a Senior Backend Engineer to work on replacing its sequential database migration system with a dependency graph model. The ideal candidate will lead the design and delivery of a migration validation and test framework, contribute to a dependency graph migration system, mentor engineers, and collaborate with various teams.

Responsibilities:

• Lead the design and delivery of the migration validation and test framework from initial approach through production use.
• Contribute to a dependency graph migration system that supports safe ordering, parallel execution, and three-phase, low-downtime upgrades.
• Mentor intermediate engineers through pairing, code review, and design feedback.
• Make and document technical decisions asynchronously.
• Review schema migrations from engineers across GitLab for safety, backward compatibility, and reliability.
• Collaborate with Distribution, Quality Assurance, Database Architecture, Database Automation, and database framework teams.

Requirements:

• Deep experience with Ruby on Rails in large production codebases or comparable depth in another framework's migration system.
• Production PostgreSQL experience, including schema changes on large tables and data definition language failure modes under load.
• A track record of leading delivery of a system from design through implementation and adoption.
• Experience mentoring engineers and strong written communication skills.

Benefits:

• Benefits to support health, finances, and well-being
• Flexible Paid Time Off
• Team Member Resource Groups
• Equity Compensation & Employee Stock Purchase Plan
• Growth and Development Fund
• Parental Leave