Node.js

Weather-Based Dynamic Theming System: Implemented a sophisticated weather API integration in the Panda Express POS System that dynamically changes the application's theme based on real-time weather conditions and time of day. The Node.js backend handles API calls to weather services, processes the data to determine if the sun is in the sky, and communicates this information to the frontend for theme switching. This required careful handling of asynchronous API calls, data processing, and real-time updates to ensure the theme changes reflect current conditions accurately and responsively.

Scalable POS System Architecture: Designed and built the backend infrastructure for the Panda Express POS System, creating multiple routes to handle different system functionalities including order processing, inventory management, and user authentication. The Node.js server manages complex data flows between the frontend interface and AWS cloud services, ensuring that all transactions are processed correctly and data remains synchronized across the system. This implementation required careful route organization and error handling to maintain system reliability during high-traffic periods.

Multi-Service API Coordination: Successfully coordinated multiple external services and APIs within Node.js applications, managing asynchronous calls and data processing across different service endpoints. This involved implementing proper error handling, request timeout management, and data transformation to ensure reliable communication between various system components.