Embedded Systems Firmware Engineer

How are you?

I've developed a lot of products in hardware design, product prototypes, and firmware development, mobile app development for 15 years.

Especially I have rich experiences as follows:

1) Mobile app development
 - iPhone app development
 - Android app development
 - Mobile UI design
2) Hardware development
 - Circuit & schematic design
 - PCB & Gerber design with multi-layers
3) Product prototype
 - Various GPS tracker
 - Various GSM device
 - Smart Door lock
 - Various IoT devices
 - Various beacons
 - LED dimmer
 - Various motor controller
4) Firmware development
 - Embedded C/C++
 - Free RTOS
 - Various micro-controllers such as STM32 family, Arduino, ESP32,  ESP8266, Nordic, PIC16F/18F/33F, CC2540/CC2541, DA14xxx
5) Various radio communication
 - Bluetooth/Bluetooth Low Energy
 - Wifi
 - Zigbee
 - Lora
 - Z-Wave
 - NFC

So, I will provide perfect solution for a short time.

Thank you.