Wai Hao Ching Email and Phone Number

o Develop and maintain both frontend and backend components of web applications using Angular for the frontend.o Design and implement responsive user interfaces using HTML, CSS, and Angular framework.o Implement client-side logic and interaction using TypeScript, Angular Services, and Components.o Debug and troubleshoot issues in both frontend and backend components.o Performance tuning on existing logic.o Migrate and upgrade current framework (.net environment and Angular) to latest version.

o Developing Responsive Web Application with Angular 11 (Front End), .Net Core 3.1 (Backend API Service) and MySQL (Database) o Developing report by using DevExpress

o Involving in database tables design o Performance tuning on stored procedures and ETL package o Managing table indexes to improve performance on data query. o Providing Impact Analysis for incoming change requests o Providing effort estimation for incoming change requests o Providing feedbacks on business requirement from technical perspective o Providing guidance to team members on development and troubleshooting o Ensuring the team development tasks are on track with the sprint o Prepare deployment package for releases o Provided on-site support for production deployment.

o Developed desktop application by using C# in structure of MVVM according to requirementso Developed interface for desktop application by using WPF according to requirementso Developed service layer and stored procedures (T-SQL) to allow service call from frontend to backendo Developed RDL Report using SSRS with complex stored procedures using T-SQL for business operation audit, business operation analytics and business compliance submissiono Developed ETL Package using SSIS for data extraction, processing, and loading from OLTP database to ODS databaseo Created and maintained SQL Server Agent Job for ETL Jobs.o Troubleshooting issues raised by client or QA and provide findings and fixeso Support UAT deployment and UAT issues o Provided 24/7 post production application technical support for clients on rotation basis

o Assist to develop function for desktop application by using C# in structure of MVVMo Assist to develop interface for desktop application using WPF