Changjiang Cai
Research Scientist at Meta
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolChangjiang Cai is a research scientist specializing in 3D computer vision and on-device machine learning, with eight years of experience spanning academia and industry. He holds a PhD in Computer Science from Stevens Institute of Technology and has progressed from research assistant roles to senior and staff research engineer positions at OPPO US / InnoPeak before joining Meta as an applied research scientist focused on ML optimization. His work bridges foundational vision research—self-/unsupervised representation learning, depth and flow estimation—with engineering that brings models to edge devices. Based in New York, he combines rigorous academic training with practical product-oriented research and maintains a public technical presence at changjiangcai.com. A detail often overlooked: he has repeatedly moved between research and applied roles, giving him a rare blend of publication-grade insight and production deployment experience.
8 years of coding experience
12 years of employment as a software developer
Bachelor's degree Mechanical Engineering, Bachelor's degree Mechanical Engineering at Northwestern Polytechnical UniversityMaster's degree Mechanical Engineering, Master's degree Mechanical Engineering at Xi'an Jiaotong UniversityDoctor of Philosophy - PhD Computer Science, Doctor of Philosophy - PhD Computer Science at Stevens Institute of Technology
Github Skills (15)
depth-estimation10
kitti9
self-supervised-learning8
optical-flow7
pytorch6
ransac5
robotics4
3d4
3d-reconstruction3
backpropagation2
datasets2
diffusion-models1
intrinsics1
fine-tuning1
kitti-dataset1
Programming languages (3)
Github contributions (5)
ccj5351/kitti-devkit
May 2019 - Feb 2021
Contributions:26 commits, 3 pushes, 1 branch in 1 year 9 months
ccj5351/mystudynotes
Jan 2019 - Oct 2022
Contributions:44 commits, 147 pushes, 5 branches in 3 years 9 months
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