Senior Software Security Engineer

gitlab·RemoteRemotesenior

In short

→Ingeniero de seguridad de software senior que mejora la seguridad del producto GitLab y previene abuso en su plataforma SaaS.
→Día a día: mantiene sistemas de detección de abuso, construye reglas de detección y mejora la inteligencia artificial agente en herramientas de mitigación.
→Destacado: se valora la capacidad de pensar como un atacante y la incorporación de IA como multiplicador de productividad.

No se requiere inglés explícitamente, pero se menciona que el entorno es global y el traba

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What they ask for

✓Experto en desarrollo de software con experiencia en Ruby/Rails
✓Experiencia trabajando con aplicaciones distribuidas y códigos grandes en nube
✓Capacidad para desarrollar habilidades de ingeniería de seguridad de forma proactiva
✓Comodidad trabajando en entorno remoto full-time centrado en resultados
✓Experiencia con desarrollo nativo en la nube (GCP y/o AWS)
✓Interés en pensar como un atacante para defender sistemas

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

RubyRailsGCPAWSAIagentic AImulti-agent reasoningcloud nativedistributed applicationsrunbooks

Who should you write to at gitlab?

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GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this role You will engineer security improvements to the GitLab product as well as building and maintaining the tools we use to detect and prevent abuse on our SaaS platforms. A strong software engineering background with experience in large Ruby/Rails codebases is required. As a senior engineer on the Trust and Safety team, you will predictively identify abuse patterns and trends and build anomaly detection and prevention systems to mitigate abusive users and their activities. This role is an ideal fit for candidates with software engineering backgrounds interested in moving into security engineering. Formal security engineering experience is not a hard requirement for this role. Find out more about the Trust and Safety team and responsibilities here: • Trust and Safety What you’ll do • Maintain core abuse prevention systems and build new abuse detection rules to identify and prevent evolving platform abuse such as spam, AI/token, SEO optimization/redirects and other financially motivated abuse campaigns. • Become a core maintainer for our in-house abuse platform (Ruby on Rails monolith) and be comfortable supporting and building new features for the platform. • Improve and expand agentic AI capabilities in our abuse mitigation tools, including improving multi agent reasoning decision patterns with a target to reduce HITL operational load. • Lead collaboration with peer engineering teams to deliver safety improvements for the GitLab product • Resolve automation gaps and create efficient, automated processes • Create and maintain documentation such as runbooks and procedures What you’ll bring • Strong software development skills with experience in Ruby/Rails • Experience working on distributed applications with large codebases and deployed in cloud environments strongly preferred • Passion/desire to proactivity develop security engineering skills • Comfortable working in an all remote environment where results and impact matter above hours worked • Strong experience with cloud native development (Google Cloud Platform (GCP) and/or AWS) • Interest in “thinking like a hacker” and defending

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