● Designed and implemented an efficient MySQL database schema for managing client and package data, improving data organization, retrieval efficiency as well as the internal inbound and outbound functionalities.● Developed robust RESTful APIs using Express.js, integrating JWT to enhance user experience in tracking and package management including distributing different levels of functionality according to account type.● Used WebSocket technology for real-time inbound and outbound sending and retrieving of package data, ensuring seamless data flow between systems. SSE technology was employed for push notifications to clients, keeping them updated on their shipping status and announcements.● Deployed backend services on AWS (EC2, IAM, Route 53, Secret Manager), leveraging Nginx as a reverse proxy for production to ensure load balancing and optimal traffic management. Scaled infrastructure dynamically to meet rising demands, improving system performance and availability.● Automated the syncing of package shipping statuses using the APIs or scraping from UPS, FedEx and Chinese shipping companies, ensuring real-time updates and integration into our system.

● Hosting sessions for small classes of students from age 4 to age 14● Stimulating students’ creativities and imaginations with Lego Mindstorms EV3 Kit programmed with Scratch● Introducing Scratch coding community, and leading students to create interesting projects and training their logical thinking skills

● Developed a Node.js application with Angular front-end to identify bullish and bearish entries in stock market data.● Applied advanced algorithmic trading strategies and financial data analysis techniques, focusing on optimizing trade execution and decision-making processes.● Achieved 90% prediction accuracy, validated through historical data analysis from over 10 major companies, improving the reliability of financial forecasts.● Integrated RESTful APIs using Express.js to efficiently process real-time stock market data.● Utilized Git, and Azure DevOps for project management and continuous integration/deployment.● Collaborated with cross-functional teams to refine algorithms and improve system scalability.● Participated in the Agile/Scrum development life cycle, composed monthly sprint reports to the management.

● Conducted one-on-one tutor sessions about various software engineering topics such as object-oriented programming, code scaffolding and maintenance● Provided guidance to students on logical thinking and critical thinking of programming● Boosted students' grades by 2 levels on average

● Managed the business and employees ● Provided training to employees ● Promoted the business

● Introduced improvements upon a proprietary time management system using ASP.net frontend, VB.net backend, SQL Server database and SSRS for reporting● Developed customized accounting web application using WPF for UI, ASP.net for both frontend and backend, communicating with a SQL Server database● Converted VB.net system to WPF system

● Maintained and improved web pages written in HTML, CSS and JavaScript● Troubleshooted web pages and mobile applications by testing with different platforms on BrowserStack● Researched and analyzed web development for improvements

● Provided efficient and comfortable services● Satisfied customers demands and resolved their complaints● Managed celebration events

Co-hosted events for leadership, fellowship, scholarship and service practice

● Conducted tutor sessions about Discrete Math● Provided guidance to students on logical thinking and problem solving

Provided computer installations, maintenance, and trouble-shooting services to support contract agreements.Assisted the manager with the supply-line to offshore military outposts.Completed 50+ cases of computer and printer installations in governmental departments.