Zhang Jian
System Engineer at Apple
San Diego, California, United States
Summary
👤
Senior🎓
Top SchoolZhang Jian is a bilingual system engineer with 10+ years specializing in end-to-end 5G/4G data path performance, Linux drivers, and Android Open Source software, currently contributing at Apple. He led high-impact modem and APPS bring-ups at Qualcomm—driving multi-gigabit throughput, resolving thousands of customer cases, and developing analysis and profiling tools that accelerated carrier launches. His work blends deep protocol and driver-level debugging with automation for pcap/QXDM analysis and MIPS/cycle/power profiling, often reducing power and time-to-market for OEMs and operators. Comfortable as a technical lead and hands-on engineer, he has managed global teams and acted as a go-to contact for IPA and telephony modules across regions. Off-hours curiosity extends to JavaScript projects on GitHub, reflecting a broad full-stack interest beyond his core wireless expertise.
10 years of coding experience
18 years of employment as a software developer
Master, Control Science and Control Engineering, Master, Control Science and Control Engineering at Huazhong University of Science and Technology
English, Chinese
Github Skills (47)
wechaty10
robotics10
bots10
wechat10
robot10
api10
conversational-ai10
qq10
whatsapp10
graceful10
itchat10
chatbot10
get-started9
makers9
sdk9
Programming languages (6)
Github contributions (5)
zhangjiana/zhangjiana.github.io
Apr 2019 - Jul 2022
Contributions:17 commits, 82 pushes, 3 branches in 3 years 3 months
zhangjiana/hello-world
Apr 2016 - Mar 2018
Contributions:2 PRs, 3 pushes, 2 branches in 1 year 11 months
code-firstjava
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