Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.
At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there.
A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.
From the early days, simulated physics has been the foundation of the way users build in Roblox. Our physics engine enables dynamic environments with emergent behavior making games more immersive and exciting.
The Physics team develops Roblox's proprietary distributed physics engine. Our team implements the mathematical models behind our multifaceted simulation engine, and ships engine APIs and tools that developers use every day. These models incorporate rigid body dynamics arising from external forces, collisions, and constraints while optimizing for real-time performance. We work on integrating the low level physics solver into the rest of the engine for online gameplay across multiple platforms. You will report to the Physics Environment Engineering Manager.
You Will:- Innovate and implement powerful physics features that empower Roblox developers to create immersive and dynamic experiences.
- Drive innovation through research and rapid prototyping, translating new ideas into practical solutions that stand the test of time.
- Optimize and enhance the robustness and performance of the physics engine and its integrations, ensuring a seamless user experience.
- Collaborate with internal teams and external developers, providing expert support and guidance to improve feature utilization and resolve technical challenges.
- Extensive C++ Development: 4+ years of professional experience writing high-performance, optimized C++ code (2+ years if with an advanced degree).
- Performance Engineering: Demonstrated ability to use multithreading and SIMD optimization techniques to enhance application efficiency with knowledge of modern computer architecture and its impact on software performance.
- Physics and Numerical Methods Experience: Practical experience applying numerical methods to solve problems in real-time physics simulation.
- Real-Time Physics Expertise: Proven experience developing and deploying real-time and online multiplayer physics simulations.
- Physics SDK Familiarity: Hands-on experience integrating and applying physics SDKs such as PhysX, Havok, and Bullet.
- Educational Background: Bachelor's or advanced degree in Computer Science, Mathematics, Physics, Engineering, or equivalent experience.
For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits.
Roles that are based in our San Mateo, CA Headquarters are in-office Tuesday, Wednesday, and Thursday, with optional in-office on Monday and Friday (unless otherwise noted).
Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations for all candidates during the interview process.
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What We Do
Roblox is an immersive gaming and creation platform that offers people millions of ways to be together, inviting its community to explore, create and share endless unique experiences. Our vision is to reimagine the way people come together — in a world that's safe, civil, and optimistic. To achieve this vision, we are building an innovative company that, together with the Roblox community, has the ability to strengthen our social fabric and support economic growth for people around the world.
Why Work With Us
Every day, Roblox employees tackle complex questions and drive incredible innovation. Join us in building the future of human connection and communication.
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