Matthew Johnson
Staff Cybersecurity Engineer at Dexcom
San Diego, California, United States
Summary
👤
Senior🎓
Top SchoolMatthew Johnson is a Staff Cybersecurity Engineer in San Diego with 13 years of experience building secure firmware and software for wireless and medical devices. He blends deep embedded-systems and modem firmware expertise from Qualcomm with medical-device cybersecurity and end-to-end product delivery at NOVO and Dexcom. Comfortable in customer-facing roles, he manages projects across design, implementation, and regulatory-sensitive verification, often bridging firmware, mobile apps, and security requirements. Known as a jack-of-all-trades who masters key domains, he pairs hands-on engineering with mentoring and teaching experience from his time at UIUC.
13 years of coding experience
13 years of employment as a software developer
University of Illinois Urbana-ChampaignSt. Edward Central Catholic H.S.
Github Skills (19)
ecobee10
openweathermap9
touchscreen9
e-ink8
weather8
raspberry-pi6
angular6
nodejs6
firmware5
dashboard4
embedded-linux4
3d-printer3
embedded3
garden3
linux3
Programming languages (2)
Github contributions (5)
Mrjohns42/WeatherDash
Aug 2018 - May 2022
Smart weather dashboard. Integrates with OpenWeatherMaps and Ecobee. Designed to run on RaspberryPi.
Contributions:27 commits, 24 pushes, 1 branch in 3 years 10 months
raspberry-piopenweathermap-apigardene-inkecobee
Mrjohns42/StateMachineLib
Oct 2018 - Oct 2018
Contributions:10 pushes, 1 branch in 1 day
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