Jeffrey Johnson
President at Cambridge Precision Dosing Inc.
Cambridge, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolJeffrey Johnson is a hands-on embedded systems engineer and founder with six years of focused experience designing firmware, Linux device drivers, bootloaders, and Android ports for ARM, x86, SoC and FPGA platforms. He has led product and research efforts as President of two companies, delivering medical informatics and adaptive drug-dosing visualization tools as well as TinyML-friendly signal-processing and neural network innovations. His work spans low-level hardware interfaces (SPI, USB, PCI, MII, touch displays, accelerometers) to higher-level networking, security and Android UI/UX, and includes practical deployments such as a Jacquard-enabled biker jacket and Variscite SOM Android ports. Jeffrey combines algorithmic rigor with product-minded visualization—synchronizing video and sensor data for analysis and tuning—and has hands-on expertise with AOSP, U-Boot, Grub, and Android OTA/FOTA. Based in Cambridge, MA, he pairs academic computer science training with a knack for turning complex, high-dimensional medical and sensor data into actionable, clinician-facing insights. An amusing aside visible in his GitHub bio: he’s careful to distinguish himself from other notable Jeffrey Johnsons.
6 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Goldsmiths, University of London
Github Skills (200)
benchmark10
beautifier10
bug-tracker10
vim10
psl10
6800010
linter10
command-line-tool10
nvim10
cpp10
udp10
matrix10
unix10
unicorns10
git-server10
Programming languages (23)
Github contributions (5)
BAN-AI-Communications/ncsa-telnet-dos
Mar 2021 - Mar 2022
ncsa-telnet-dos: NCSA Telnet for MS-DOS (and compatible) systems
Contributions:5 reviews, 25 commits, 7 PRs in 11 months
telnetmsdosdospc-telnetncsa
johnsonjh/jleveldbctl
May 2021 - Dec 2022
LevelDB control command
Contributions:1 review, 31 commits, 7 PRs in 1 year 7 months
leveldb
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