1. Developed and implemented the food and reservation application. 2. Using Flutter / GraphQL / Restful Api, and directly building a cross-platform. 3. Using BLOC to build the project architecture. 4. Using OneSignal / Mixpanel to analyze a user's behavior or notify messages. 5. Using FeverSocial to promote marketing activities. 6. Using Dynamic / Deep links to send mobile device users directly to relevant pages, and enhance user experiences. 7. Using Gitlab CI to integrate development flow. 8. Using Fastlane to deploy to Apple Store or Google Play, and to reduce manual operations.

1. Developed and implemented the EC application of travel contents. 2. Since Jun 2017, cooperated with 2 members to develop and maintain projects. 3. Using kotlin / Java. 4. Using RxJava / Dagger2 / Reux / MVP / MVVM architecture. 5. Using CleverTap / Firebase / Mixpanel to track user behavior. 6. Using BranchIO / AppsFlyer to implement deep link and deferred deep link. 7. Using Kibana to support the customer service department to resolve application problems. 8. Using Retrofit to implement Restful API.

1. Traced user behavior and purchasing patterns with flurry, facebook and google analytics(GA). Utilized Volley framework to communicate with Restful API. 2. Capitalized on GCM notification on version 1.0 as well as 2.0, and OneSignal on version 3.0. 3. Built continuous integration environment for Android project from continuous integration(CI) to continuous delivery(CD). 4. Assisted members in writing unit tests with robolectric and mockito framework, as well as integration test by robotium framework. 5. Developed and implemented the android application about EC by myself. 6. Since Jun 2016, cooperated with 2 members to develop and maintain projects. 7. Motivated and fostered TKU’s students to achieve learning and implementation about android application. 8. Taught basic UI components and android concepts. 9. Discussed how to implement an app.

1. Web analytics and Face tracking via Javascript, java, other open source and MySQL. 2. Developed software from requirement analysis to testing and documents. 3. Managed Project 4. Communicated with developers in the Philippines as well as integrate the system of both sides.

1. Programming for audio loopback, connecting different inputs(TX) and outputs(RX) on mobile, such as Headset microphone to Speaker. 2. Switched Audio paths, programmable and dynamic control receiver and headset. 3. MBHC(Multi Button Headset Control) mechanism, setting parameters with ACDB(Audio Calibration Database) Driver to control headset behavior and bias. 4. Vibrator and Keypad driver 5. Modified and Maintained ACPI