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Jin W.

Agency Agency
Android Developer Kotlin / Java - Android
Jin is an standard development programmer with more than 4 years of work experience, He is proficient with Android app best practices, design pattern and building stable and secure applications,he can quickly handle exceptions such as memory overflow and crash on his own, and is proficient in using FCM, Braze, facebook login and other sdk and MVP MVVM framework.<br />He is capable of developing and deploying applications independently, also rich experience of remote collaboration, unit testing, performance optimization.These can make him make a better app.

Expertise

Years of Development Experience
6 Years
Skills
KotlinJava - AndroidAndroid SDKAndroid StudioSlackJira
Domain Experience
ECommerceMedia & Telecom
Other Skills
Android SDK, Android Studio, Android(Kotlin,Java), Android Studio, Android Studio
Language Spoken
English, Chinese

Experience

  1. Android
    Go Shop
    2018 - Until Now
    Project Summary
    Go shop is an online shopping app, which facilitates users' purchases and breaks away from previous TV shopping methods, allowing users to watch live broadcasts and purchase goods anytime and anywhere.
    Developed unit testing script by use of Junit and Mockito,with coverage of overi30%,which greatly reduced crash rate.
    Implemented user tracking via GTM(Google Tag Manager),which provides better user analysis.
    Developed new features such as module of shopping cart,user,product.
    Built video function with SDK of JWPlayer,which supports recording and live broadcast.
    Conducted code review, understand and enforce code standards, such as naming convention, and help team with understanding business logic and optimizing performance, to bring smooth UX for users
    Executed security for codes, to avoid bugs and crashes, and ensure encryption mechanism is well handled.
    Scalable functions and structure, to lay solid foundation for team
    Tirelessly explore innovative technology, to keep codes can be better maintained.
    Project Tech Stack
    MVVM, FCM, Android Studio, Android SDK, Retrofit, Dagger, Databinding, Braze
  2. Intermediate Android Developer
    Fundsup
    2019 - 2019
    Project Summary
    Fundsup is the app for early-stage investors,revolutionizing how to discover new deals.Never again miss opportunities you should have invested in.

    Implemented real-time communication function via SDK in QuickBlox.
    Built cache optimization and interface auto-ft for multi-scene animation,by encapsulating library.
    Addressed the bug fix from root cause,by tracking log in firebase, and improved crash-free rate up to 99.5%.
    Development module of sign up,sign in,discovery,viewed companies,chat.
    Conducted unit testing via Mockito and junit and performance analysis/improvement via Profiler,and testing interface layer via Hierarchy Viewer.
    Project Tech Stack
    Clean architecture, Crashlytics, Retrofit

Education

Bachelors of Technology in Computer Engineering
Computer and Application Technology - China QINGDAO SHANDONG
2013 - 2016
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