Senior 3D Engine Architect - Geometry & Performance

Showcify, Inc.; Canada (KY); On-site; USD 243,000 - 295,000; Full time

Job summary

Roblox designs and builds a scalable 3D engine platform for avatar and environment geometry, enabling millions of developers to create immersive experiences across devices. You will shape high‑fidelity worlds while ensuring performance on phones and low‑end hardware.

The role demands 8+ years in high-performance systems, deep C++ expertise, and hands-on 3D rendering experience, with a strong focus on collaboration and end-to-end ownership.

Qualifications

• 8+ years of professional experience building high-performance systems.
• Deep proficiency in C++ in large codebases.
• Hands-on experience with real-time 3D rendering/geometry processing.

Responsibilities

• Design and ship 3D engine systems for avatar and environment geometry, including mesh processing, LOD, streaming, and related performance systems.
• Partner with Rendering, Avatar, Studio and external developers so features are usable for creating experiences.
• Profile and improve engine performance across devices, with focus on mobile.
• Lead by example: drive projects end-to-end, mentor engineers, and maintain high code quality and health.

Skills

C++ expertise

Game engines

3D rendering

Cross-team collaboration

End-to-end ownership

Job description

Roblox designs and builds a scalable 3D engine platform for avatar and environment geometry, enabling millions of developers to create immersive experiences across devices. You will shape high‑fidelity worlds while ensuring performance on phones and low‑end hardware.

The role demands 8+ years in high-performance systems, deep C++ expertise, and hands-on 3D rendering experience, with a strong focus on collaboration and end-to-end ownership.