Principal Software Engineer, GenAI Platform is open at Roblox in San Mateo, CA, United States. The posting gives a salary of $329K - $362K. Posted on Oct 27, 2026, and still on Roblox’s careers page when we last checked, on Nov 14, 2026.
About the role
Foundation AI builds the platforms, services, and infrastructure that enable machine learning and generative AI across Roblox. As a Principal Engineer on this team, you'll set technical strategy and direction across areas such as model training and inference, LLM services, agent infrastructure, data systems, experimentation, evaluation, and developer tooling. You'll be accountable for the architecture and long-term…
The opening lines of the posting. The rest is on Roblox’s careers page.
Hiring at Roblox
Roblox has 271 open roles right now, 4 of them remote. Most are in Engineering, Data & Research and Security. The median advertised salary across its roles with a published range is $269K. See all its roles
