Dat Nguyen

Built subscription interface in Next.js/TypeScript with comprehensive validation, enhancing user experience for 1M+ users and 15K+ DJs. • Created affiliate marketing system in Python/Flask with unique discount codes and commission tracking, enabling 500+ DJs to generate recurring revenue through their audience • Streamlined payment verification by integrating Gmail API to automatically parse bank transfer confirmations, eliminating 8+ hours/week of manual finance team work with near perfect accuracy.

Developed water quality monitoring platform using Next.js/FastAPI/PostgreSQL to track data from 200+ stations, providing 1000+ farmers with real-time insights through Mapbox and Chart.js visualizations. • Integrated LLM-powered analysis allowing farmers to query water conditions in natural language, processing 500+ monthly queries and delivering actionable recommendations. • Containerized and deployed services with Docker on Azure, successfully scaling the monitoring platform and citizen-reporting portal across multiple provinces.

Set up static application security testing (SAST) in CI/CD pipelines using Python/Pylint and GitHub Actions, automating security scans of 10K+ server files and cutting manual review time by 70%. • Built anomaly detection pipeline using Isolation Forest and One-Class SVM algorithms, successfully flagging 150+ high-risk security events with 95% precision. • Implemented real-time file integrity monitoring (FIM) with automated alerting, reducing mean time to detect security incidents by 40% across 200+ systems.