Staff Backend Engineer (Ruby on Rails/AI), Verify @GitLab

Overview

GitLab is seeking a Staff Backend Engineer (Ruby on Rails/AI) for a remote role in the United Kingdom. This position will involve shaping and scaling the core infrastructure behind GitLab CI, with a focus on integrating AI into CI/CD workflows.

Key Responsibilities

• Shape and scale GitLab CI backend infrastructure for improved performance, reliability, and usability.
• Design and implement AI-powered features for Agentic CI, including such agents and workflows.
• Define success metrics for AI in CI, ensuring that the team learns and iterates effectively.
• Build instrumentation and observability for trust-worthy AI-assisted CI in production.
• Drive measurable performance improvements across CI systems through experimentation and data validation.
• Write secure, well-tested, maintainable Ruby on Rails code, enhancing existing features.
• Lead cross-functional technical work with Engineering, Product, and UX teams.
• Share standards, patterns, and learnings with fellow engineers to promote responsible AI integration.

Requirements

• Advanced proficiency with Ruby and Ruby on Rails.
• Strong PostgreSQL skills, including data modeling and query tuning.
• Experience building, running, and debugging high-traffic production systems.
• Practical experience with AI-powered backend features and integrations.
• Data-driven engineering approach with strong metrics definition and measurement skills.
• Familiar with observability patterns and tools.
• Strong backend architecture and delivery practices.
• Effective written and verbal communication skills, especially in a remote environment.

Benefits

• Health, financial, and well-being support.
• Flexible Paid Time Off.
• Team Member Resource Groups.
• Equity Compensation & Employee Stock Purchase Plan.
• Growth and Development Fund.
• Parental Leave.

Location

Remote, United Kingdom

How to Apply

To apply for this position, please visit the GitLab career page.