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Principal Software Engineer Avatar Personalization

Roblox


Job Location:

San Mateo, CA - USA

Yearly Salary: USD 295250 - 345040
Posted: 17 October 2026 (12 hours ago)
Application Deadline: 14 January 2027
Vacancies: 1 Vacancy

Job Summary

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.

At Roblox were 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. Were on a mission to connect a billion people with optimism and civility and looking for amazing talent to help us get there.

A career at Roblox means youll 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.


As a Principal Software Engineer on the Avatar Personalization team you will use the Roblox game engine to build features that push the boundaries of our avatar technology and build creative systems that make Roblox avatars simple and delightful to use. You will tackle the biggest architectural projects provide technical leadership and coordinate with teams across Roblox to build systems used by tens of millions of monthly players and developers.

You are passionate about building outstanding systems and APIs in the Roblox game engine enhancing avatar features and enriching customization systems for Roblox players and developers. Youll work with Avatar technologies such as animation clothing hair and shading. Experience in game or film development is especially translatable into this team and role.

You Will:
  • Implement groundbreaking features in Roblox game engine to build the best avatar system in the world
  • Build APIs for Roblox developers enabling in-experience creation of Roblox Avatars from scratch
  • Enhance avatar fidelity and uniqueness on Roblox
  • Use the Roblox game engine to build excellent vertical applications for multiple platforms (mobile tablet PC and console)
  • Refactor and improve our existing codebase and establish architectural standards for system reliability performance and test coverage
  • Work with numerous teams to help build the worlds best user generated gaming platform
  • Implement systems in a combination of C and Lua
You Have:
  • 8 years of professional experience working on a consumer-facing game engine and/or game application
  • Proficiency with C 3D math data structures algorithms and networking
  • Experience working on character building and customization systems editors and content creation tools
  • Experience building online console or mobile game titles
  • Experience with game or film character systems such as animation rigid-body or cloth/hair physics or shading


Required Experience:

Staff IC


About Company

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Roblox is the ultimate virtual universe that lets you create, share experiences with friends, and be anything you can imagine. Join millions of people and discover an infinite variety of immersive experiences created by a global community!

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