Senior Fullstack Engineer, Marketing

<div class="content-intro"><p>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.</p> <p>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&nbsp;and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. <a href="https://www.youtube.com/watch?v=OuZIb5zszQI">Co-create the future with us</a> as we build technology that transforms how the world develops software.</p> <p>*<em>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.</em></p></div><h2>An overview of this role</h2> <p>As a Senior Fullstack Engineer on GTM Engineering, you will design and build the backend systems and services that power our go-to-market and growth platforms, while also contributing across the stack where needed. This is a strong fit if you want to work in a 0 to 1 space where you can shape what gets built, guide architectural choices, and guide work from specification through production health.</p> <h2>What you'll do</h2> <ul> <li>Design, build, and maintain backend services and APIs that support GTM and growth platforms</li> <li>Contribute across the stack, including frontend work, when a feature or project calls for it</li> <li>Contribute to technical direction for the systems you own, including making build-versus-buy suggestions and evaluating trade-offs between speed and long-term maintainability</li> <li>Identify and resolve performance, scalability, or reliability issues in backend systems before they become user-facing problems</li> <li>Review code and designs from other engineers, and provide feedback for peers</li> <li>Mentor junior engineers on the team</li> <li>Document system design decisions and backend architecture so other engineers can build on your work without you in the room</li> </ul> <h2>What you&#3