Androidjavarxjavadaggerretrofit2android-livedatamvvm

An app which acts as a ledger for small-scale finance providers. Developed in java to follow offline first approach, using MVVM design pattern, & dagger for dependency injection & rxjava for reactive approach. Also used room for local database & live data to provide streaming & always up to date from the server as well as from local db. Used JobScheduler to run the syncing inbackground irrespective of user's network status. Used Retrofit for network tasks and Timber for logging. Followed Material Design approach in most of the parts of app for UI

AndroidJavamvvmandroid-volleygoogle-authenticationfacebook-authentication

This project provides various courier services at one place. Based on time, price and courier partners, user will have option to choose and send via available courier partners and their various services.

Androidjavaandroid-volleygoogle-mapsphpjavascripthtmlcssarduinoc

The task was to develop a social safety system which includes an android application, a wearable hardware device(either watch or pendant) and a backend and front end website.
Whenever there's a life threatening situation, the user could simplyclick on the button & the app would notify everyone near 1km radius & also notify user's trusted contacts, & depending on the situation, cops or ambulance service as well. It comprised of hardware device developed on Arduino Uno, which connected with the mobile device via bluetooth, the mobile device could act as a mediator between the server & wearable gadget.
My part was leading the team which developed the android part, also making designs & integration of other modules with the app module.