Have a background in IoT, Microcontrollers Programming, Embedded and Mobile App Development and have been doing this for three years and currently doing freelancing.
This is my new account, doing freelancing since 2 years.
Electronics -> IoT || Embedded Systems
Protocol -> MQTT || REST || LoRaWAN
Server -> GCP || Elastic Beanstalk(AWS) || Heroku || Azure
App Dev -> Flutter || Kotlin || Java
Backend Dev -> Node.js || PHP || Go
Database -> MySQL || PostgreSQL || MongoDB || Firebase