Staff Backend Engineer, Software Supply Chain Security

ABOUT THE ROLE As a Staff Backend Engineer at GitLab, you will play a key role in shaping the company's Software Supply Chain Security (SSCS) offering. This is a unique opportunity to lead the technical architecture for the SSCS Add-On and drive the development of backend systems that help customers secure how software is built, verified, and delivered inside the GitLab platform. WHAT YOU'LL DO As a Staff Backend Engineer, your responsibilities will include: - Defining and driving the technical architecture for the SSCS Add-On, including backend systems for package policy enforcement, provenance generation, artifact signing, and malicious package detection - Leading design and implementation work for Supply-chain Levels for Software Artifacts (SLSA) Level 2 and Level 3 capabilities within GitLab CI/CD - Architecting integrations with Sigstore services such as Cosign, Fulcio, and Rekor, including approaches for signing workflows, verification, and trust boundaries - Designing backend services and request paths that support allow, deny, and quarantine package policies with strong performance and reliability expectations - Reviewing merge requests with a focus on security, architectural consistency, maintainability, and test quality - Mentoring Backend Engineers across experience levels, helping raise the technical bar through design guidance, feedback, and hiring participation - Partnering with Product, Infrastructure, Authentication, Authorization, and Security counterparts on cross-team technical decisions - Contributing to relevant open source and industry conversations, including working groups related to software supply chain security where appropriate WHAT YOU'LL NEED To be successful in this role, you will need: - Strong experience building backend applications with Ruby on Rails in a high-scale production environment - Professional experience with Go for backend or infrastructure-oriented services - A track record of leading architecture across multiple systems and influencing technical direction through strong engineering judgment - Experience writing clear technical proposals, request for comments documents, and decision records in an async, documentation-first environment - A solid security mindset and comfort working on products where trust, risk reduction, and secure defaults are central requirements - Familiarity with software supply chain security concepts such as build provenance, artifact signing, dependency security, or software bill of materials - Strong teamwork and communication skills, with the ability to work effectively across distributed teams and functions - Interest in GitLab's values and in building secure, scalable product capabilities that help customers ship software with confidence WHY REMOTE As a remote employee, you will be part of a values-driven environment where written communication, ownership, and teamwork are central to how we work. You will have the opportunity to work on complex backend problems, influence technical direction across teams, and build security features that matter to customers facing real threats. BENEFITS - Competitive salary - Comprehensive benefits package, including medical, dental, and vision insurance - 401(k) matching program - Flexible PTO policy - Professional development opportunities, including training and conference sponsorships - Access to cutting-edge technology and tools - Collaborative, remote work environment with a global team of talented professionals