Principal Rendering Engineer (C++)

Location: San Mateo, California, for headquarters-based roles; office work is onsite Tuesday through Thursday, with optional presence on Monday and Friday. The role may involve US work authorization restrictions, and future H-1B sponsorship may not be available.

Company

Roblox operates a platform for creating and experiencing 3D digital environments across multiple devices.

What you will do

• Investigate and implement rendering techniques that make 3D experiences more immersive and expressive.
• Improve the performance, scalability, and stability of the in-house game engine.
• Develop solutions for rendering across DirectX, OpenGL, GNM, Metal, and Vulkan.
• Collaborate with technical artists, engineering teams, and art teams to address creator and platform needs.
• Own rendering projects through their complete lifecycle.

Requirements

• C++ and shading language knowledge.
• Strong understanding of 3D mathematics and computer graphics algorithms.
• Experience with one or more GPU APIs, such as OpenGL or DirectX.
• Ability to reason about code performance and memory consumption.
• 6+ years of experience in real-time rendering.
• Mobile or console development experience and interest in advanced rendering research.

Culture & Benefits

• Work on a large-scale immersive 3D streaming platform.
• Collaborate with graphics engineers, creators, technical artists, and multidisciplinary teams.
• Full-time employees are eligible for equity compensation and company benefits.
• Reasonable accommodations are available during the recruiting process.