WaCare: Telehealth Social Network

Employer:

• La Vida Tec Co., Ltd

Targeted Users:

• Caregivers and Care Receivers

User Scenarios:

• WaCare is a telehealth social network. Users can easily understand their family’s health conditions and access healthcare resources online, including experiencing real-time video consultations and live health education courses provided by healthcare experts.

Programming Language:

• Java, Kotlin

Libraries:

• Android Architecture Component(MVVM)
• dagger2
• liveData
• okhttp3
• paging
• retrofit2
• room
• rxandroid
• rxJava2
• viewModel

Features:

• Collaborated with back-end engineers to design a chat room system including texts, images, and audio based on Firebase Realtime Database, and the system could afford 1,500 concurrent messages
• Developed the Single-Sign-On(SSO) feature such as Facebook, Google and Line to increase user base
• Developed the notification system based on Firebase Cloud Messaging (FCM)
• Developed internal End-to-end encryption based on Asymmetric Encryption to pass one mobile security regulation certificated by Taiwan Mobile Application Security Alliance
• Implemented the MVVM design pattern into the WaCare product to automatic update the health records without manual refreshing, improving customer satisfaction from 61% to 82%
• Implemented Android App Bundle into the WaCare project to shrink the app size from 69MB to 29MB (57% improvement)
• Integrated third-party online payment methods including CTBC, LINE, and Neweb

Reference:

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