GitLab - Staff Backend Engineer, SSCS: Supply Chain
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Requirements
• 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. • The SSCS Add-On team is part of GitLab's Software Supply Chain Security stage and is focused on building a commercial offering that addresses real supply chain security challenges for enterprise customers. The team works on capabilities that combine multiple parts of the GitLab product into a more complete security solution for organizations with strong compliance and risk management needs. • The work is both technically interesting and strategically important. The team is building in a space shaped by fast-moving threats, evolving customer requirements, and close coordination with nearby teams across the broader security area. That combination creates an environment where engineers can contribute to product direction while solving practical backend challenges in a visible part of GitLab's platform. For more on how related teams work, see Team Handbook Page. • How GitLab Supports Full-Time Employees • 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 • Please note that we welcome interest from candidates with varying levels of experience; many successful candidates do not meet every single requirement. Additionally, studies have shown that people from underrepresented groups are less likely to apply to a job unless they meet every single qualification. If you're excited about this role, please apply and allow our recruiters to assess your application. • Country Hiring Guidelines: GitLab hires new team members in countries around the world. All of our roles are remote, however some roles may carry specific location-based eligibility requirements. Our Talent Acquisition team can help answer any questions about location after starting the recruiting process. • Country Hiring Guidelines:
Responsibilities
• Define and drive the technical architecture for the SSCS Add-On, including backend systems for package policy enforcement, provenance generation, artifact signing, and malicious package detection. • Lead design and implementation work for Supply-chain Levels for Software Artifacts (SLSA) Level 2 and Level 3 capabilities within GitLab CI/CD. • Architect integrations with Sigstore services such as Cosign, Fulcio, and Rekor, including approaches for signing workflows, verification, and trust boundaries. • Design backend services and request paths that support allow, deny, and quarantine package policies with strong performance and reliability expectations. • Review merge requests with a focus on security, architectural consistency, maintainability, and test quality. • Mentor Backend Engineers across experience levels, helping raise the technical bar through design guidance, feedback, and hiring participation. • Partner with Product, Infrastructure, Authentication, Authorization, and Security counterparts on cross-team technical decisions. • Contribute to relevant open source and industry conversations, including working groups related to software supply chain security where appropriate.
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