Intermediate Backend Engineer , Security Factory

• Develop static application security testing (SAST) rules mapped to Common Weakness Enumeration (CWE) and the Open Worldwide Application Security Project (OWASP), along with test fixtures that demonstrate they work.

• Implement component specifications with engineers and AI agents through phased plans and small, reviewable changes. Keep specifications and code in sync.

• Improve the harness, agent instructions, and skills that keep agent-written code trustworthy. Use separate coding and reviewing agents, performance checks, application programming interface (API) checks, and dependency checks, and escalate risky changes to human review.

• Solve technical problems of moderate scope and complexity, and identify and address technical debt that slows the team down.

• Write maintainable code that meets our internal standards, and help maintain those standards through code review.

• Participate in on-call rotations to help troubleshoot product operations, security operations, and urgent engineering issues.

• Take part in on-call or operational support where your team’s ownership model requires it.

What you'll bring

• Experience using AI or large language model (LLM) tools to generate or evaluate technical content, with the judgment to assess when their output is trustworthy.

• Solid professional experience writing and testing production code in a systems language, particularly Rust or Go. Our engine is written in Rust, the analyzer wrapper in Go, and the monolith integration in Ruby. You'll be willing to work across them.

• An interest in static analysis and application security, including parsing, intermediate representations, taint and data-flow analysis, and how vulnerabilities arise in code. Deep expertise isn't required; we'll help you grow it.

• Organize and progress your work independently in a remote, largely asynchronous environment.

• The ability to communicate technical problems clearly and concisely and propose iterative solutions.

• Helpful but not required: experience with performance optimization, Docker and continuous integration and continuous delivery (CI/CD), web or mobile frameworks, guardrails for agent-written code such as mutation testing and fuzzing, or program analysis and security research through publications or open source contributions. Willingness to learn performance optimization and containerized workflows is also welcome.

About the team

The Security Factory: Code Scanning team develops GitLab's SAST capabilities for customer software repositories. We work closely with the Code Security team on scanning rules and flows, with Composition Analysis on the broader software supply chain, and with other groups across the Sec section. We rely heavily on asynchronous work across time zones.

At GitLab, our mission is simple: to enable everyone to contribute to and co-create the software that powers our world.

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

• Parental Leave

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.

Privacy Policy: Please review our Recruitment Privacy Policy. Your privacy is important to us.

GitLab is proud to be an equal opportunity workplace and is an affirmative action employer. GitLab’s policies and practices relating to recruitment, employment, career development and advancement, promotion, and retirement are based solely on merit, regardless of race, color, religion, ancestry, sex (including pregnancy, lactation, sexual orientation, gender identity, or gender expression), national origin, age, citizenship, marital status, mental or physical disability, genetic information (including family medical history), discharge status from the military, protected veteran status (which includes disabled veterans, recently separated veterans, active duty wartime or campaign badge veterans, and Armed Forces service medal veterans), or any other basis protected by law. GitLab will not tolerate discrimination or harassment based on any of these characteristics. See also GitLab’s EEO Policy and EEO is the Law . If you have a disability or special need that requires accommodation , please let us know during the recruiting process .