My Projects

Here are some of the projects I’ve worked on:

Vietnamese Invoice Information Extraction System

A microservices-based invoice processing system using YOLO models for region detection and Tesseract OCR for Vietnamese text extraction, achieving 94.25% accuracy for store names and 93.5% for total amounts.

Technologies Used:
Python • YOLO (v8-v11) • Tesseract OCR • React • TypeScript • Flask • MongoDB • PostgreSQL • Docker • Kong API Gateway

Highlights:

  • 94.25% accuracy for store name extraction
  • 93.5% accuracy for total amount recognition
  • Processed 3,957 labeled invoices
  • Full-stack solution with real-time WebSocket communication
  • Batch processing and mobile-responsive interface

Crypto Trading Platform (Tordess)

Contributed to a comprehensive crypto trading platform with Excel export functionality, data visualization, and real-time trading features using .NET Core and React.

Technologies Used:
React • ASP.NET Core • C# • NPOI • PostgreSQL • Redis • Serilog

Live Demo: https://tordess.com

Contributions:

  • Excel export functionality using NPOI library
  • Multi-sheet support for Trades, Positions, and Balance History
  • Data visualization with profit/loss color coding
  • Conditional styling and automated column formatting
  • Report generation features with helper methods

Gift Cards Marketplace (GCMO)

eCommerce platform for US/Canada restaurant gift card marketplace with search functionality, business discovery using Yelp and Google Places APIs.

Technologies Used:
React • ASP.NET Core • Redis • Yelp API • Google Places API • Serilog

Features:

  • Frontend features using React
  • Backend API endpoints in ASP.NET Core
  • Redis caching with 24-hour expiration
  • Rate limiting (1000 requests/hour)
  • Integration with Yelp and Google Places APIs for business discovery
  • Logging configuration with Serilog and New Relic integration