Senior Software Engineer (Backend/Product focus, AIaaS)

<div class="content-intro"><p><span style="font-weight: 400;">Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.&nbsp;</span></p> <p><span style="font-weight: 400;">At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.</span><strong> </strong><span style="font-weight: 400;">We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there.&nbsp;</span></p> <p><span style="font-weight: 400;">A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.</span></p></div><p>As a Senior Software Engineer on the AIaaS (AI-as-a-Service) team, you will be responsible for building the production systems that enable the safe and reliable deployment of our <a href="https://about.roblox.com/newsroom/2026/02/accelerating-creation-powered-roblox-cube-foundation-model">cutting-edge 3D and 4D</a> generative AI models. You will design, implement, and scale robust, high-performance product infrastructure to orchestrate the complex workflow for producing high-fidelity 3D and 4D textured meshes. We are seeking accomplished software engineers with a passion for developer-facing product APIs, experience building large-scale distributed systems, and a commitment to writing high-quality, well-tested code to solve complex GenAI serving challenges at scale.</p> <p>&nbsp;</p> <p><strong>You Will:</strong></p> <ul> <li>Design, build, and own critical components of the product infrastructure supporting our generative AI efforts focusing on usability, reliability, scalability, and performance.</li> <li>Develop delightful, intuitive, easy to use developer-facing APIs for democratizing 3D creation.</li> <li>Build seamless integrations with other sub systems such as Pricing, Orchestration, Safety with an eye for observability.</li> <li>Implement robust pipelines for collecting datasets and evaluating to build safe and compliant multimodal AI systems.</li> <li>Collaborate closely with Product Managers, other partner teams in Roblox Engine and Infrastructure to ship reliable products.</li> <li>Drive improvements in product &amp; backend infrastructure architecture, engineering best practices, and operational excellence.</li> <li>Ensure data quality and governance are implemented at the system level through automated checks and monitoring.</li> </ul> <p><strong>You have:</strong></p> <ul> <li>Have minimum 5+ years of professional experience and a tool chest of system design experience upon which to draw to build scalable, reliable platforms for all of Roblox.</li> <li>Experience architecting, designing, and developing a wide-array of software products.</li> <li>Thrive in building complex, high-scale distributed systems from the ground up.</li> <li>Are passionate about the potential of generative AI, particularly in creative domains like 3D/4D content.</li> <li>Are comfortable operating in a dynamic, fast-paced environment.</li> <li>Excel at writing clean, efficient, well-tested code in languages like Python, C#, or Go.</li> <li>Have experience with cloud data platforms and distributed processing technologies (e.g., Kubeflow, Temporal, S3, etc.).</li> <li>Value collaboration and enjoy working closely with cross-functional teams, especially product managers, researchers, and ML engineers.</li> <li>Bachelor's degree or higher in Computer Science, Computer Engineering, Data Science, or a similar technical field.</li> </ul><div class="content-pay-transparency"><div class="pay-input"><div class="description"><p>For roles that are bas