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GitLab

Senior Software Engineer, RoR/Go

GitLab

Senior Backend Engineer building authentication features and services at GitLab. Working on token issuance, access management tooling, and security improvements for user authentication.

Posted 7/2/2026full-timeRemote • 🇨🇦 CanadaSeniorWebsite

Tech Stack

Tools & technologies
GoRubyRuby on Rails

About the role

Key responsibilities & impact
  • Contribute to the team's overall direction and play a direct part in shaping the future roadmap of GATE and GitLab's authentication services.
  • Design and implement authentication features across the Rails monolith and GATE, including token issuance, validation, and identity services.
  • Help migrate authentication and token management paths from the monolith into GATE while maintaining reliability across all deployment models.
  • Build authentication mechanisms from the ground up, such as Workload Identity Federation.
  • Bolster the security posture of our users and organizations through robust access management and by addressing vulnerabilities reported through our HackerOne program.
  • Solve technical problems of high scope and complexity across Go and Ruby codebases.
  • Help define and improve internal standards for style, maintainability, and best practices in a high-scale environment. Maintain and advocate for these standards through code review.
  • Represent GitLab and its values in public communication around broader initiatives, specific projects, and contributions from people not working for GitLab Inc.
  • Ship moderately sized features and improvements with moderate guidance and support from other team members.
  • Collaborate with the team on larger projects, including the build-out of GATE.
  • Improve GitLab engineering projects through the maintainer trainee program at your own comfortable pace, while striving to become a project maintainer.

Requirements

What you’ll need
  • Professional experience with Go and/or Ruby in scaling or mission-critical software-as-a-service products.
  • Familiarity with authentication and authorization technologies or techniques such as OAuth, OpenID Connect (OIDC), Security Assertion Markup Language (SAML), single sign-on (SSO), System for Cross-domain Identity Management (SCIM), Lightweight Directory Access Protocol (LDAP), JSON Web Token (JWT), role-based access control (RBAC), or identity and access management (IAM).
  • Knowledge of token systems, cryptographic signing, and key management.
  • Experience building or contributing to a service from concept to production, including proposal, discussion, and execution.
  • Proficiency in written and verbal English, with the ability to clearly communicate complex problems and solutions in a remote, largely asynchronous work environment.
  • Experience with performance and optimization problems, and a demonstrated ability to diagnose and prevent these problems.
  • Experience working in a highly agile, iterative software development process, with the ability to manage your work effectively, stay organized, and follow through on priorities.

Benefits

Comp & perks
  • Benefits to support your 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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
OAuthOpenID ConnectSAMLSingle Sign-OnSCIMLDAPJWTRBACIAMCryptographic Signing
Soft Skills
Effective CommunicationOrganizational SkillsProblem-Solving