Developed Vietnam's #1 healthcare e-commerce SuperApp combining pharmaceutical shopping platform with specialized healthcare miniapps, serving millions of users across 1,700+ Long Châu stores nationwide.

• ▸E-commerce platform with 10,000+ pharmaceutical SKUs
• ▸24/7 online medical consultation system
• ▸Shopping cart, checkout flow and order tracking
• ▸Flash sale system and loyalty rewards program
• ▸Telemedicine appointments and prescription management
• ▸Health articles database with expert consultations
• ▸Medicine reminder system

Developed internal Flutter applications for doctors and pharmacists with real-time inventory management, prescription processing, vaccination tracking, and store operations management.

Developed an AI Assistant to evaluate customers (conversion scoring) based on CRM data and generate consulting recommendations and rejection scenarios.

• ▸Auto customer scoring algorithms
• ▸AI conversation analysis
• ▸Rejection scenario modeling
• ▸Personalized consulting recommendations
• ▸RAG (Retrieval-Augmented Generation) integration
• ▸Training open-source models from internal data

Developed comprehensive internal software to generate insurance proposals (detailed quotations) and auto-highlight illustration PDFs with pricing details.

• ▸PDF processing with auto highlight and annotations from carrier proposals like National Life Group, Allianz, ...
• ▸Auto-generated proposal summaries and customer summary sheets tailored to each customer segment
• ▸Smart pricing calculator
• ▸Personalized email template generation

Developed and enhanced CRM system with Microservices architecture, enabling 3x increase in user traffic handling capacity.

• ▸Lead management, customer data, notes, and customer pipeline (customer journey)
• ▸Sales workflow automation with smart workflows to boost conversion
• ▸Analytics dashboard with actionable insights
• ▸API integration gateway for partners/third parties
• ▸Marketing Automation system integrating Facebook and YouTube
• ▸Lead generation data crawling from Google Maps and sites like Yelp Places, vnMetro
• ▸Data migration from legacy/old CRM systems to the new schema
• ▸Process workflow optimization
• ▸Enhanced scalability with microservices
• ▸45% decrease in security vulnerabilities

U-CAR search application aggregating vehicle information from dealers nationwide in Japan with biometric authentication and real-time notifications.

• ▸Registration/Login with JWT and biometric authentication
• ▸Vehicle image upload and processing
• ▸Real-time application notifications
• ▸Smart vehicle search
• ▸Dealer information management
• ▸60% reduction in memory usage
• ▸Improved application stability

Real-time online auction system for used cars from Japan.

• ▸Manage auction hall information nationwide
• ▸Secure user authentication system
• ▸Sync data across auction locations
• ▸Advance Deposit: implemented rules and framework for customer deposits

Website identifying vehicle Make/Model/Orientation/Interior & Exterior Parts through images with MLOps pipeline.

• ▸Automatic Make/Model/Orientation recognition
• ▸Interior & Exterior Parts classification
• ▸Automated MLOps pipeline
• ▸NextJS + TailwindCSS interface
• ▸Flask backend for ML models

Comprehensive football livestream application with real-time streaming, live scores, and match statistics.

• ▸Real-time video streaming
• ▸Push notifications for match updates
• ▸User authentication system
• ▸Live chat during matches
• ▸Favorite team tracking
• ▸Personalized match recommendations

Secure cryptocurrency and USDT exchange platform with mobile app and web interface.

• ▸Real-time price charts
• ▸Order management
• ▸Wallet integration
• ▸Secure transaction processing
• ▸Two-factor authentication
• ▸Biometric login
• ▸Encrypted data transmission

Auto-streaming application enabling simultaneous broadcasting across multiple social media platforms.

• ▸Simultaneous multi-platform streaming
• ▸Advanced streaming algorithms
• ▸Content scheduling
• ▸Performance analytics dashboard
• ▸Social Media APIs integration
• ▸Automated content optimization

DIIN insurtech app enables Vietnamese users to enroll in non-life insurance in 3 steps, pay online, and receive an electronic certificate within 1 minute; it also tracks automated claims transparently through digital signatures and blockchain.

• ▸Receive an electronic insurance certificate in 3 steps, under 1 minute
• ▸Payments via ATM/VISA/MASTER, QR code, and e-wallets
• ▸Digital signatures for policies and certificates
• ▸Blockchain-backed electronic certificates
• ▸Friendly, easy-to-use interface for all age groups
• ▸Lookup and update claim status with 24/7 support
• ▸Referral/digital agent mechanism to help users earn extra income
• ▸QR code activation for physical discount scratch cards
• ▸Loyalty App system
• ▸Continuous upgrades with new digital insurance utilities