Senior Real-Time Physics Engineer

Roblox; California (MO); On-site; USD 295,000 - 345,000; Full time

Job summary

Roblox in San Mateo, CA, seeks an experienced Physics Environment Engineer to design and optimize its real-time physics engine used across online multiplayer experiences. You will work on distributed physics, integrating SDKs and refining performance for scalable gameplay.

We value a BS or higher in a related field, strong C++ and SIMD skills, and a track record in real-time physics simulations. This role is based at our headquarters with onsite collaboration and equity benefits.

Qualifications

• 8+ years of professional C++ development experience.
• Experience with multithreading and SIMD optimization.
• Experience with real-time physics simulation and online multiplayer.
• Experience integrating physics SDKs such as PhysX, Havok, Bullet.
• Education: BS or higher in CS/Math/Physics/Engineering or equivalent.

Responsibilities

• Innovate and implement powerful physics features for Roblox developers.
• Drive innovation through research and rapid prototyping.
• Optimize robustness and performance of the physics engine and integrations.
• Collaborate with internal teams and external developers for guidance and support.

Skills

C++ development

Performance engineering

Real-time physics

Physics simulation

Physics SDK familiarity

Education

Bachelor's degree or higher in CS/Math/Physics/Engineering

Tools

PhysX

Havok

Bullet

Job description

Roblox in San Mateo, CA, seeks an experienced Physics Environment Engineer to design and optimize its real-time physics engine used across online multiplayer experiences. You will work on distributed physics, integrating SDKs and refining performance for scalable gameplay.

We value a BS or higher in a related field, strong C++ and SIMD skills, and a track record in real-time physics simulations. This role is based at our headquarters with onsite collaboration and equity benefits.