Senior Security Engineer, Application Security

Senior Security Engineer, Application Security (APAC) 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. The Application Security team works with GitLab engineers and product teams to anticipate and prevent the introduction of vulnerabilities during design and development, ensuring delivery of high‑quality software that GitLab customers can trust. What You'll Do Conduct security‑focused application design and architecture reviews, threat modeling, code review, and security testing assessments; push boundaries by exploring the full impact and demonstrating real exploitation in a controlled environment. Propose and establish secure development practices, identify and develop security standards that support Product and Engineering teams to deliver secured features at high velocity. Help secure GitLab, directly contribute to the GitLab product by using and providing customer feedback on platform features, capabilities, scope, and technology coverage. Secure our software supply chain and improve security workflows and controls of our supply chain security. Identify and drive our team’s maturity opportunities to enable scaling internal processes, metrics, workflows, and automations as we continue to grow. What You’ll Bring Bachelor’s degree or equivalent in Computer Science or practical education (including bootcamp training programs) and experience. 5+ years professional experience in a computer technology field, including IT, technical support, or engineering. Very good understanding of computer code and how to detect and remediate classes of security defects, race condition based logic vulnerabilities, etc. Programming experience in one or more coding languages, preference for Ruby on Rails or Go. Professional developer code quality is not required but being able to build code and understand it for troubleshooting is a requirement. Comfortable in shell scripting to automate recurring work or build PoC exploits. Strong knowledge of application security concepts such as OWASP Top 10 bug types, STRIDE model, CVSS scoring, and threat modeling assessments. Experience with application security practices including code review, threat modeling, static and dynamic analysis (SAST, DAST), and attack surface analysis. Experience performing Application Penetration Testing or Vulnerability Research / Bug Bounty Hunting; ability to discover and identify fixes for SQLi, XSS, CSRF, SSRF, authentication and authorization flaws, and other web‑based security vulnerabilities. Ability to provide subject matter expertise on software architecture design and system security. Familiar with common security libraries, security controls, and common security flaws that apply to Ruby on Rails applications. Demonstrated ability to learn new technical concepts in cloud and web application security assessment. Flexible, effective, and inclusive communication skills that create clarity; collaborate with technical and nontechnical audiences across multiple teams on security bug types and how to mitigate or remediate security issues. Proficiency in English, both written and verbal, sufficient for success in a remote and largely asynchronous work environment. Demonstrated critical and creative thinking, while also being an effective member of a team. You’re comfortable using Git. Experience with standard web application security tools such as Brakeman and BurpSuite. Flexible and constructive approach to problem solving that helps you navigate ambiguity and drive results. How GitLab Will Support You 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. Home office support. 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, or any other basis protected by law. GitLab will not tolerate discrimination or harassment based on any of these characteristics. Please let us know during the recruiting process if you have a disability or special need that requires accommodation. #J-18808-Ljbffr