Senior 3D Engine Engineer - Real-Time Scaling

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

Job summary

Roblox Corporation in San Mateo, CA is seeking a Senior Software Engineer for 3D Engine Scalability to design and ship advanced engine systems that power avatar and environment geometry, with attention to performance across devices. You will collaborate with Rendering, Avatar, Studio teams and external developers, mentor engineers, and drive end-to-end projects.

The role requires 8+ years in high-performance systems and strong C++ expertise in large codebases, with hands-on 3D experience and a

Qualifications

• 8+ years building high-performance systems (game engines, real-time simulation, AR/VR).
• Proficient in C++ in large codebases.
• Hands-on 3D systems: rendering, mesh processing, LOD, pipelines.
• Ability to balance CPU/GPU time, latency, memory on mobile/console.

Responsibilities

• Design and ship 3D engine systems for avatar and environment geometry.
• Collaborate with Rendering, Avatar, Studio and external developers.
• Profile and improve engine performance across devices, focusing on mobile.
• Lead by example: mentor engineers and uphold code quality.

Skills

8+ years exp

C++ proficiency

3D systems experience

Real-time performance mindset

Ownership in ambiguity

Collaboration & communication

Job description

Roblox Corporation in San Mateo, CA is seeking a Senior Software Engineer for 3D Engine Scalability to design and ship advanced engine systems that power avatar and environment geometry, with attention to performance across devices. You will collaborate with Rendering, Avatar, Studio teams and external developers, mentor engineers, and drive end-to-end projects.

The role requires 8+ years in high-performance systems and strong C++ expertise in large codebases, with hands-on 3D experience and a