Marek Matej
Embedded Software Engineer at Freelance Software Developer
Czechia
Summary
🤩
Rockstar🎓
Top SchoolMarek Matej is an embedded software engineer with 11 years of hands-on experience building firmware, RTOS integrations, and peripheral drivers for ARM Cortex platforms. Currently at Espressif Systems, he brings deep expertise in Zephyr, ContikiOS, eCos and real-time location systems (Decawave/Quorvo) including TWR/TDOA implementations. His background spans driver development, low-power design, BLE integration, and RTOS porting, complemented by Python server maintenance and GCC toolchain fluency. Marek has a history of freelance R&D work delivering tagged anchor systems, sensor/radio drivers and PLC communications for industrial customers. He pairs practical production experience with a formal engineering education in radio and digital communication, and tends to focus on reliable, resource-constrained solutions rather than flashy features. Based in Czechia, he blends contractor agility with product-company scale at Espressif.
10 years of coding experience
13 years of employment as a software developer
Engineer's degree, Radio, Television, and Digital Communication, Engineer's degree, Radio, Television, and Digital Communication at FEI Technical University Kosice
English
Github Skills (56)
bootloader10
32-bit10
spiffs10
infiniband10
device-management10
fat10
python10
flashing10
django10
freertos10
espressif10
mcu10
zephyr-rtos10
bluetooth-le10
software-update10
Programming languages (4)
Github contributions (5)
marekmatej/hal_espressif
Sep 2022 - Mar 2025
HAL and SDK for ESP32 and other hardware from Espressif
Contributions:166 pushes, 40 branches in 2 years 6 months
spiffsnimbleesp8266sdkespressif
marekmatej/zephyr
Feb 2022 - Mar 2025
Primary GIT Repository for the Zephyr Project
Contributions:578 pushes, 63 branches in 3 years 2 months
crosswordgit-repositoryversion-controlsolidworksansible-collections
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