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Taxi Service is a client-server application for searching, calling and paying for taxi, which includes development of mobile applications for drivers and passengers on Android and iOS interacting with back-end via RESTful API.
The functionality of the service includes a variety of options specific for every user side. Integration with Google and Yandex map services allows passengers to see on a map if there are available taxis in their location and choose the nearest car considering traffic jams. And integration with payment processing systems provides a possibility of paying for trips by cash or bank cards. Order of a taxi «with one click» makes it very easy to use. The application displays time to taxi arrival and approximate cost of a trip, which are calculated on the server side. Except for that, passengers can see ratings of drivers, view the history of their trips, and refuse a taxi order in case it's not needed any more.
Application for drivers allows them to take orders, specify desirable area of order and select orders by location. Due to different work options, they can start their shift at any convenient time. Also drivers can see their statistics for work time, quantity of orders and income for different time periods, and manage their profile. The service includes a system of bonuses and fines, and optimal algorithm of additional payments for short and long distance trips, and refusals. It is possible to divide areas into zones and define zone coefficients, which influence cost of a trip, depending on load. Communication between drivers and passengers is realized via calls and messages directly from the application.
The whole system is managed via web access. Administrators can manage drivers' profiles, area coefficients, financial part of the service, the system of bonuses and fines, see history of trips.
The main technical features of the service are:
This project turned to be quite complicated to implement and, while working on it, our team faced many challenges which required high professionalism and excellent skills of every team member:
Platform: Server, Web, Mobile
OS: iOS, Android, Linux
Frameworks/Libraries: Butterknife, CoreAnimation, CoreGraphics, CoreLocation, Crashlytics, Eventbus, Google API, Yandex API, Gradle, Gson, Hibernate, JAX-RS, Jersey, Mailgun API, OkHttp, Parceler, Picasso, RestKit, Retrofit, Retrolambda, Spring Quartz, Spring Security
Technologies: Geo-location (Yandex, Google), Fin-tech, High-load, Background mode, Push notifications, REST API