Utilized Node.js Streams API to process data measured with GB and improved read efficiency

Developed internal npm package using TypeScript, wrote unit tests with JEST and implemented auto-testing

Built interactive charts and spreadsheet-like table view with Vue.js, D3.js, and G2Plot to allow users to visualize raw data and obtain business insights

Specialized in Vue.js, implemented state management and efficient API calls with Vuex. Other Vue.js tools and libraries such as Vue Router, and Vue Test Utils are also utilized to carry out routing, authentication, and testing.

Converted UI/UX prototypes to codes precisely with style templates including Bootstrap, Element UI, Ant Design, and also pure CSS.

Implemented social media login feature leveraging Google and Linkedin APIs, and embedded online payment with Paypal and ECPay.

Deployed static website to AWS S3 via Bitbucket Pipelines.

Built an app from scratch with Flutter and implemented the instant notification feature with Firebase Messaging.

Improved state management with provider package and wrote integration tests with Flutter Driver.

Developed a responsive, multi-language promotion page with jQuery, CSS, HTML that brought 10% of in-app purchase growth.

Tracked the traffic and user traces of Whoscall official website with Google Analytics.