Senior 3D Engine Systems Engineer — Real-time, Mobile

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

Job summary

Roblox Corporation in San Mateo is seeking an experienced software engineer to join the Geometry Scalability team. You will design and ship 3D engine systems for avatar and environment geometry, including mesh processing, LOD, streaming, and runtime loading.

You will collaborate with Rendering, Avatar, Studio, and external developers to create features that are directly usable for large-scale, high-fidelity experiences.

Qualifications

• 8+ years of professional experience building and shipping high-performance systems.
• Strong C++ experience in large codebases.
• Hands-on experience with real-time 3D rendering and geometry processing.
• Proven ability to diagnose CPU/GPU tradeoffs and optimize performance.

Responsibilities

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

Skills

C++ Proficiency

Real-time Systems

3D Rendering

Performance Profiling

Leadership & Mentoring

Cross-functional Collaboration

Job description

Roblox Corporation in San Mateo is seeking an experienced software engineer to join the Geometry Scalability team. You will design and ship 3D engine systems for avatar and environment geometry, including mesh processing, LOD, streaming, and runtime loading.

You will collaborate with Rendering, Avatar, Studio, and external developers to create features that are directly usable for large-scale, high-fidelity experiences.