Senior 3D Engine Engineer — Avatar & Environments (Equity)

Roblox; San Mateo (CA); On-site; USD 243,000 - 295,000; Full time

Benefits offered by this job

Equity compensation

Benefits

Job summary

Roblox is seeking an experienced engineer to design and ship high-performance 3D engine systems for avatars and environments. You will work with Rendering, Avatar, Studio, and external developers to ensure features enable creators to build immersive experiences across devices.

Ideal candidates have 8+ years in game engines or real-time 3D, exceptional C++ skills, and a proven ability to optimize for mobile and other constrained platforms.

Qualifications

• 8+ years of professional experience building high-performance systems in domains such as game engines or real-time simulation.
• Deep proficiency in C++, writing clean and maintainable code in large codebases.
• Hands-on experience with production systems involving real-time 3D rendering, mesh/geometry processing, LOD, or GPU pipelines.
• Experience diagnosing CPU/GPU tradeoffs and latency on constrained devices like mobile or console.
• Track record of driving work end-to-end when requirements are unclear, from approach to rollout.
• Ability to explain complex technical topics clearly across teams and audiences.

Responsibilities

• Design and ship 3D engine systems for avatar and environment geometry, including mesh processing and streaming.
• Partner with Rendering, Avatar, Studio, and external developers to ensure features are usable for creating experiences.
• Profile and improve engine performance across devices, with emphasis on mobile.
• Lead by example, mentor engineers, and uphold high standards of code health and technical quality.

Skills

C++ proficiency

Real-time 3D/Engine experience

Performance optimization

Cross-team collaboration

Ownership in ambiguity

System design leadership

Job description

Roblox is seeking an experienced engineer to design and ship high-performance 3D engine systems for avatars and environments. You will work with Rendering, Avatar, Studio, and external developers to ensure features enable creators to build immersive experiences across devices.

Ideal candidates have 8+ years in game engines or real-time 3D, exceptional C++ skills, and a proven ability to optimize for mobile and other constrained platforms.