Android, iOS, and Web GUI application development for a hardware interface

We are a company in Bangalore, Karnataka developing an internet connected hardware device, and are looking for software engineers who can develop a GUI software application that works consistently on Android, iOS and the the Web browser. The software needs to communicates with and display information from a hardware micro controller serving and receiving information over WiFi. So knowledge of communication with hardware over WiFi is a must. Demonstrable knowledge in Android, iOS and Web application development and hardware interface is necessary. We have developed our hardware and micro controller interface to serve information over Access Point(AP) protocols on WiFi and our engineers will work with app developers to establish proper communication. The developer must be in Bangalore and be willing to work in our office on a regular basis.