# Yihong X.

> Meta Reality Labs | UC Berkeley | ex Rockstar Games

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/yihong

Yihong Xu is a Systems Programmer and Game Developer, a Game Designer and Researcher at the University of California, Berkeley. He focuses on creating immersive experiences and optimizing Human-Computer Interactions through games and interactive media. He is also a huge strategy and simulation game enjoyer!

GitHub: @GP2P

## Work Experience
### Software Engineer @ Meta
Jan 2024 – Present | Burlingame, California, United States
Meta Reality Labs - XR Foundation

### Lead Unreal Developer, VR Developer, Research Fellow @ Intentional Design Studio
Jan 2022 – Jan 2023 | Massachusetts, United States
Created VR powered wheelchair training simulator “WheelUp” with Unreal Engine 5 and OpenXR. We utilize user participatory design to develop novel interfaces for diverse bodies and advocate for their needs. Initial technical paper published at IEEE COG 2023.

• Created a VR wheelchair training simulator in Unreal Engine 5 with diverse bodies in mind for physical therapy and rehabilitation
• Achieved Photorealistic VR Rendering by utilizing Global Illumination and Virtualized Geometry with outsourced graphics
• Simulated wheelchair with Chaos Physics, considering different wheel composition, weight distribution, and motor torque curve
• Reduced 80% of motion sickness occurrence by optimized refresh rate, render latency, and quality, designed hardware rotator
• Collected, visualized, and analyzed participant playtest data with the help of LLMs, developed with participatory design principles
• Published first-author technical paper on IEEE Conference on Games, conducted testings with wheelchair-bound participants

### Systems & Engine Developer, Networking Architect (Research Collaborator) @ NVIDIA
Jan 2022 – Jan 2023 | United States
Systems & Engine Lead in team working on NVIDIA open-source research game “FPSci”. We research, develop, play-test, and evaluate to explore the effects of network latency and compensation techniques like Time Warp on player experience and performance in First Person Shooter games. Academic paper is being published.

• Networked Nvidia’s C++ single player FPS game “FPSci” to support industry standard Server-Authoritative Multiplayer
• Designed and implemented client-server structure to allow latency compensation techniques like Time Warp and Prediction
• Conducted 30-min testings with 50 testers to record gameplay data under various network and optimization configurations
• Improving player performance by 38%, based on conducting various evaluations of the effects of mitigation techniques
• Wrote first-author technical paper submitted to Nvidia and WPI, and second-author paper submitted to ACM CHI (under review)

### Ambient Systems Designer and Developer @ Rockstar Games
Jan 2022 – Jan 2022 | Andover, Massachusetts, United States
Design and develop NPC behavior and new player interaction features on GTA VI.

• Delivered 130 character behavior features or improvements, from design, implementation, documentation, debugging, to testing
• Implemented novel and interdisciplinary player interactions feature by working with departments from studios around the globe
• Programmed game and engine for new behavior definition files, integrating myself into most aspects of the department’s work
• Created 30 multi-model flowchart documentation for character and NPC in-game behaviors, react to questions in time
• Worked with Perforce source control and Rockstar CI/CD pipeline, testing, and reviewing procedures

### Research Assistant @ Worcester Polytechnic Institute
Jan 2022 – Jan 2022 | Worcester, Massachusetts, United States
Research data collection, analysis, and visualization for WPI Global Lab

### Software Engineer @ Industrial Bank Co., Ltd.
Jan 2021 – Jan 2021
Databases and internal automation systems

### Software Engineer and Product Manager @ ecMAX
Jan 2020 – Jan 2020

### Technology Consultant @ Muse Education
Jan 2019 – Jan 2019


## Education
### Master's degree in Computer Science
University of California, Berkeley

### Bachelor of Science - BS in Computer Science
Worcester Polytechnic Institute

### Bachelor of Science - BS in Game and Interactive Media Design
Worcester Polytechnic Institute


## Contact & Social
- LinkedIn: https://linkedin.com/in/yihongxu

---
Source: https://flows.cv/yihong
JSON Resume: https://flows.cv/yihong/resume.json
Last updated: 2026-03-29