5+ years of experience in Linux based IoT/Gateway Application Development. 3+ years of experience in porting & cross compiling open source, 3rd party libraries. 3+ years of experience in board bring-up activities, OS image build, target board programming and OTA. Experience in Ethernet, Wi-Fi and Cellular networking & communications. Experience in wired and wireless protocols such as Modbus, Zig-Bee, Wi-Fi direct, Bluetooth, iBeacon, ... Experience in MQTT, AMQP, HTTPS, Socket and/or other similar protocols. Experience in Software Development Life Cycle, application architecting, High & Low level designs, configuration managements, build systems, code reviews, test case preparations, unit and system testing and documentations.