Dejun Qian
Software Engineer at Apple
Orlando, Florida, United States
Summary
👤
Senior🎓
Top SchoolDejun Qian is a software engineer with 13 years of experience specializing in graphics, media performance, and power optimization, currently contributing to Apple’s platform engineering in Orlando. He previously led performance and systems work at AMD and Intel, bringing deep expertise in 3D graphics, low-level optimization, and embedded systems tuning. His background spans NAND flash optimization, boot-time acceleration, and navigation/OS ports for resource-constrained devices, reflecting a strong hardware-software co-design sensibility. Dejun holds advanced degrees in electrical engineering and computer science, including a PhD, and graduated top of his class in undergraduate studies. He blends research-grade rigor with production delivery, often tackling power/performance tradeoffs where milliseconds and milliwatts matter. Outside the obvious, he pairs graphics work with machine learning techniques to squeeze extra efficiency from media pipelines.
13 years of coding experience
17 years of employment as a software developer
Master's degree, Computer Science, GPA: 3.87/4.0, Master's degree, Computer Science, GPA: 3.87/4.0 at Portland State UniversityDoctor of Philosophy (PhD), Electrical and Electronics Engineering, GPA 3.67/4.0, Doctor of Philosophy (PhD), Electrical and Electronics Engineering, GPA 3.67/4.0 at Southeast University
Github Skills (15)
raycasting6
grand-theft-auto4
game-programming3
collada3
parser2
directx2
nodejs2
3d2
game-development2
parsing2
game-engine2
parse2
javascript2
peg1
pegjs1
Programming languages (2)
Github contributions (5)
derekqian/evantube
Aug 2013 - Aug 2013
Contributions:20 commits in 12 days
derekqian/pci-eth-fpga
Aug 2013 - Sep 2013
Contributions:12 commits in 22 days
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