Senior Software Engineer, 3D Systems

Location: San Mateo, California, United States; hybrid office attendance required Tuesday through Thursday, with optional presence on Monday and Friday

Salary: $243,290–$295,250 USD annual base pay

Company

Roblox develops a platform and tools for creating and experiencing large-scale 3D digital worlds across devices.

What you will do

• Design and ship 3D engine systems for avatar and environment geometry.
• Build mesh processing, level-of-detail, transcoding, streaming, and runtime-loading systems.
• Profile and optimize game-engine performance across mobile, console, and other constrained devices.
• Collaborate with Engine, Rendering, Avatar, Studio, and developer-facing teams.
• Drive projects from problem definition through implementation, rollout, and production impact.
• Mentor engineers and raise standards for technical quality and code health.

Requirements

• 8+ years of professional experience building and shipping high-performance systems.
• Deep proficiency in C++ and experience maintaining large codebases.
• Hands-on production experience with real-time 3D rendering, mesh or geometry processing, LOD, animation and skinning, spatial data, 3D asset pipelines, or GPU and client performance.
• Experience evaluating CPU/GPU time, memory, loading latency, visual quality, and frame-time stability on constrained platforms.
• Ability to define and deliver ambiguous technical work end to end.
• Clear communication skills and the ability to collaborate across engineering and developer-facing teams.

Culture & Benefits

• Work on systems supporting millions of developers and players in large multiplayer 3D experiences.
• Full-time employees are eligible for equity compensation and company benefits.
• Equal employment opportunities and reasonable recruiting accommodations are provided.
• The company may be unable to support future H-1B sponsorship for this US-based role and may not employ candidates whose US work authorization is tied to certain visa categories.