Jiayao Zhang is a Physics Engine Programmer with seven years of experience building simulation and rendering systems for games and research, currently at Cloud Imperium Games in Frankfurt. He has a strong track record integrating advanced engine features—Nanite, Chaos vehicle physics, ML deformers—and shipping tools that help artists produce generative content efficiently from his time at ByteDance. His open-source contributions include geometry, tangent calculation, and transform logic work on the zeno simulation/rendering node engine, reflecting hands-on expertise in 3D geometry and graphics pipelines. Earlier roles span robotics vision, medical imaging, and multimodal data systems at top labs and industry teams, showing an unusual blend of academic research and production engineering. Jiayao holds a master’s in computer science from KAUST and brings a pragmatic focus on realism and performance in physics simulation across contexts.
7 years of coding experience
2 years of employment as a software developer
Bachelor of Engineering & Bachelor Arts, Computer Vision, Electronic Engineering, Bachelor of Engineering & Bachelor Arts, Computer Vision, Electronic Engineering at Chongqing University of Post and Telecommunications
Master's degree, Computer Science, Master's degree, Computer Science at King Abdullah University of Science and Technology
ZEn NOde system - a simulation & rendering engine in nodes
Role in this project:
Full-stack Developer
Contributions:6 commits, 8 PRs, 2 branches in 14 days
Contributions summary:Jiayao primarily contributed to the rendering engine, focusing on graphics and simulation aspects of the project. They modified the `PrimitiveLineSolidify.cpp` file, suggesting work on 3D geometry generation. Further contributions involved adding tangent calculation and improving drawing functionalities within `zenvis/GraphicPrimitive.cpp` and `zeno/zeno/nodes/prim/PrimitiveObjIO.cpp`, including the manipulation of object files. They also worked on transform logic as seen in `TransformPrimitive.cpp`.
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Jiayao Zhang - Physics Engine Programmer at Cloud Imperium Games