Junjie Cai
RF Software Engineer at Apple
Beijing, China
Summary
👤
Senior🎓
Top SchoolJunjie Cai is an RF software engineer at Apple with eight years of experience in telecom-focused DSP algorithm design and RF system development. He specializes in translating advanced digital signal processing concepts into robust RF software components for 5G, GNSS, and high-speed digital design. At Agilent, he contributed to NOMA algorithms and system-level simulations for 5G, IBIS-AMI model automation, and GNSS processing. His background also includes time at Rda Microelectronics and an R&D internship at Starpoint, giving him a well-rounded view of hardware-software integration. He holds a master's degree in telecommunications engineering from Beijing University of Posts and Telecommunications and is based in Beijing, China.
8 years of coding experience
9 years of employment as a software developer
Master's degree, Telecommunications Engineering, Master's degree, Telecommunications Engineering at Beijing University of Posts and TelecommunicationsMaster's degree, wireless communication, No.16 in 600 undergraduate students, Master's degree, wireless communication, No.16 in 600 undergraduate students at Beijing University of Post and Telecommunications
English, Chinese
Github Skills (38)
matrix-factorization10
collaborative-filtering10
implicit10
recommender-system9
braintree9
filtering9
sdk8
credit-card8
datasets8
recommendation-system8
square7
machine-learning7
python7
android6
in-app-purchase5
Programming languages (3)
Github contributions (5)
caijunjieNick/simulation-of-uwb
Mar 2020 - Jun 2020
Pozyx uwb sensors can simulate on ROS
Contributions:4 pushes, 1 branch in 3 months
roboticssensorsros2pozyxros
caijunjieNick/TransferSysMLforDep
Jan 2019 - Jan 2019
Contributions:7 pushes, 1 branch in 3 days
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