Senior Backend Engineer (Ruby on Rails), SSCS : Authentication

Senior Backend Engineer (Ruby on Rails), SSCS : Authentication

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.

An overview of this role :

Help us build the future of secure and easy to manage access at GitLab. Whether it's a simple user and password based login, enhancing our access token strategy or driving consolidation of authorization checks that manage access to thousands of resources, as a Senior Backend Engineer on our team, you'll play a key role in the implementation of various authentication strategies and improving access management for our users.

Your role will also involve building new authentication mechanisms from ground up such as support for Passkeys and passwordless authentication while helping keep GitLab and its customers secure by robust access management tooling and addressing vulnerabilities on existing features reported via our HackerOne program.

Authentication group works across many core components that are used by not only external users but also by the rest of the GitLab teams, allowing you to make a direct impact on the GitLab product.

Some of our example projects :

• Enterprise user management and controls
• Secure automation improvements via Service accounts
• Transparent credential management through Credentials Inventory
• Composite Identities to merge machine and human authorization for AI
• Token management tooling
• SAML, LDAP, OIDC and SCIM enhancements for automated user provisioning and SSO.

What you'll do :

What you'll bring :

About the team :

Our mission is to empower GitLab system administrators with the toolkit they need to create their desired balance of security and accessibility for their GitLab experience.

Authentication is the first impression any new customer has when they configure their shiny new GitLab instance, and we aim to make it as seamless as possible : from that moment of first logging in, to onboarding users, to managing the basic security rules for their instance in a secure, flexible and scalable manner.