Senior Backend Security Engineer

Build backend security systems with Go or Rust as a Senior Software Engineer at GitLab, working remotely from Canada or the United States.On the Security Factory: Code Security team, you will help developers find and fix vulnerabilities in code and open source dependencies. You will design analyzers, parse manifests and SBOMs, and extend automated remediation. The work includes AI-assisted development and evaluation of trustworthy security findings.Key Responsibilities:
Design hybrid analyzers combining deterministic rules and AI reasoningBuild evaluation harnesses measuring false positives and missed findingsParse dependency manifests, lockfiles, and SBOMsPackage analyzers for CI, agents, and command-line toolsMentor engineers and participate in on-call rotationsRequirements:
Experience building LLM harnesses, agent pipelines, or evaluationsProduction systems programming experience with Go or RustFamiliarity with package managers and dependency managementApplication security experience and OWASP Top 10 knowledgeClear technical communication in remote asynchronous environmentsApply backend engineering, application security, Go or Rust, and AI evaluation skills to GitLab’s Code Security team.
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