Lucas Vaz
Embedded Software Engineer at Espressif Systems
São Paulo, Brazil
Summary
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Rockstar🎓
Top SchoolLucas Vaz is an Embedded Software Engineer based in São Paulo with eight years of hands-on experience designing low-power IoT hardware and firmware. He currently contributes to Espressif's Arduino and NuttX support for the ESP32 family, shipping drivers, board support packages and CI tests for a widely used open-source core. His background spans Zephyr RTOS and Nordic nRF52840-based multi-protocol sensor platforms, plus Linux data loggers and ModBus protocol converters that bridge industrial and cloud systems. Known for fixing subtle hardware/software integration issues (e.g., UART, RMT interrupts and Bluetooth quirks) he blends firmware rigor with practical tooling like Electron configuration apps. Lucas holds a Computer Engineering degree from Unifesp and brings a pragmatic focus on power optimization and reliable field deployments.
8 years of coding experience
3 years of employment as a software developer
Bachelor's degree, Computer Engineering, Bachelor's degree, Computer Engineering at Unifesp - Universidade Federal de São Paulo
German, Portuguese, Spanish, English, Russian
Stackoverflow
13reputation
2kreached
1answer
2questions
Github Skills (17)
uart10
c-language10
iot10
sys10
esp3210
embedded10
cprogramming-language10
arduino10
wifi10
rm9
bluetooth-le9
bluetooth9
fpga6
quartus6
gcc6
Programming languages (11)
Github contributions (5)
espressif/arduino-esp32
Aug 2023 - Jul 2026
Arduino core for the ESP32 family of SoCs
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:624 reviews, 306 PRs, 330 pushes in 2 years 11 months
Contributions summary:Lucas primarily contributed to the Arduino core for the ESP32 by addressing a variety of hardware-related issues and enhancements. Their work included initializing and checking the RX buffer for the WiFiClient, fixing the BTAdvertisedDeviceSet::toString() method, updating documentation for supported IDEs, adding a printf method with a FlashStringHelper argument, modifying UART pin definitions, and correcting an SPP service mode. Furthermore, the user added a UART test for CI and fixed a RMT interrupt level issue.
arduinoesp32esp-idf
lucasssvaz/Unifesp
Nov 2017 - Jan 2023
Projects developed during my Computer Engineering graduation at the Federal University of São Paulo
Contributions:166 commits, 1 PR, 154 pushes in 5 years 2 months
computer-engineering
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