Embedded systems engineer. 15+ years shipping hardware and firmware — PCB design, RTOS firmware, cloud integration. Currently building rail IoT sensor systems in Austin, TX.
COVID-era building access system: face temperature measurement + mask detection via image processing. Multi-protocol comms.
Custom POS device with RFID, GSM connectivity, and TouchGFX GUI. 6-layer high-speed PCB with SDRAM and RGB LCD buses.
LoRaWAN v1.1 volumetric and ultrasonic meter with custom glass LCD display, battery-powered for years of operation.
Hobby project: full custom smartwatch with environmental sensors and TFT display on nRF52 and DA1470x platforms.
Production line controller running ThreadX with USB file access and Ethernet device control.
Custom gateway using SX1301/SX1308 concentrators with Raspberry Pi and STM32F4 backend.
Multi-protocol environmental monitoring nodes supporting Sub-1GHz, LoRaWAN, GSM, Wi-Fi, NB-IoT, and BLE.
GPS/GSM vehicle tracker and BLE/Wi-Fi asset tracker with gateway infrastructure.
Open to embedded systems, IoT, firmware, and hardware engineering roles — IC or leadership. Austin, TX or remote.