Some of the professional projects that I have worked on, either during my previous internships or as a freelancer/contractor/research assistant:

• 🤖 Toshiba TEC's Agentic Team – AI-Powered, Fully-Autonomous Software Development Platform — designed multi-agent workflows & agentic pipelines for code generation/evaluation with safety guardrails, telemetry, and CI/CD integration to ship reliable changes end-to-end.
• 📊 Financial Risk Group's VOR Stream product — optimized Angular UI and Django APIs, built a RAG-powered, RLHF-tuned chatbot with real-time document streaming, and strengthened quality with Playwright E2E integrated into Ansible CI/CD.
• 🚀 VNG Corporation's vCloudcam Camera Management System & Sale Websites — built multi-tenant management features and customer-facing sites with performant UIs, secure APIs, and analytics for device health and conversion tracking, and a low-latency camera streaming pipeline (with Red5, C++, and WebAssembly).
• 📡 FPT Corporation's ICDP Internal Communications Platform — implemented AI-powered chatbots, collaboration features, and real-time messaging with SSO, audit logging, and scalable backend services to support enterprise adoption.
• 🏢 UNC DHEP Lab's AugMed — full-stack React + Flask platform on AWS (ECR/ECS/ALB, RDS, S3) with PostgreSQL, Celery/Redis, and JWT for secure digital-health surveys and data workflows.
• 🦾 UNC AIMING Lab’s Foundation-Model Research — trained LLMs/VLMs & diffusion models at scale, built multimodal RAG systems, improved robustness via adversarial training, and applied RL to robotics with measurable gains.
• 🌐 Huong Hua Co., Ltd.'s Company Website (English-version) — delivered a fast, SEO-friendly marketing site with CMS-driven content, analytics, and accessibility best practices.
• 🗂️ Technical Consulting & Research (TCR)'s Project & Client Tracker — built a full-stack React + Flask platform with Auth0 RBAC, OAuth2/JWT auth, and CSRF/XSS protections, enabling staff to securely manage and track their projects and clients.

These are some of the web development projects that I have worked on over the years, including both the frontend UI/UX and the backend API development:

• 🏠 EstateWise Real Estate Chatbot: Visit the live website here or visit its GitHub repo here.
• 💊 SymptomSync Health Manager: Visit the live website here or visit its GitHub repo here.
• 🐻 PetSwipe Pet Adoption App: Visit the live website here or visit its GitHub repo here.
• 📝 DocuThinker AI-Powered Document Analysis App: Visit the live website here or visit its GitHub repo here.
• 🎹 Moodify AI Emotion Music App: Visit its GitHub repo here. 🎵
• 🍿 The MovieVerse Database: Visit the live website here or visit its GitHub repo here.
• 🧰 Collabify Project Management App: Visit the live website here or visit its GitHub repo here.
• 📰 AI-Powered News Article Crawler & Curator: Visit the live website here or visit its GitHub repo here.
• 📚 Learning Management System (LMS) Full-Stack App: Visit its GitHub repo here or visit its live website here.
• 🥁 MetaWave MP3 Editor & Management App: Visit its GitHub repo here or visit its live website here.
• 📦 Boxed Inventory Management App: Visit its GitHub repo here or visit its live website here.
• 🗺️ MermaidGenie AI-Powered Diagram Generator: Visit its GitHub repo here or visit its live website here.
• 👥 Employee Management Full-Stack App: Visit its GitHub repo here or or visit its live website here.
• 🔗 Urlvy URL Shortener App: Visit its GitHub repo here or visit its live website here.
• 🗒️ CollabNote Supabase, Next.js & NestJS Full-Stack App: Visit its GitHub repo here.
• 🎯 Next.js Full-Stack ToDo List App: Visit its GitHub repo here.
• 🕹️ Tic-Tac-Toe Pro AI Game: Visit the live website here or visit its GitHub repo here.
• 🎓 StudySync Vue-Express Study Buddy: Visit its GitHub repo here.
• 🛒 MERN-Stack E-commerce Application: Visit its GitHub repo here.

• 📋 ClipChronicle Cross-Platform App: Visit the live website here or visit its GitHub repo here. 🚀
• 🪐 DevVerse SWE Next.js Blog: Visit the live website here or visit its GitHub repo here.
• 🐱 The Pokedex Database: Visit the live website here or visit its GitHub repo here.
• 👯‍♂️ Meadows Gen-Z Social Media: Visit the live website here or visit its GitHub repo here.
• 🎯 The Wordle Game: Visit the live website here or visit its GitHub repo here.
• 🧮 NuCalc Calculator App: Visit the live website here or visit its GitHub repo here.
• 🍲 PantryPal Streamlit App: Visit the live website here or visit its GitHub repo here.
• 📝 The StickyNotes App: Visit the live website here.
• ☔ The WeatherMate App: Visit the live website here.
• 🧑‍🍳 The RecipeGenie App: Visit the live website here.
• 🏰 The Maze Game: Visit the live website here or visit its GitHub repo here.
• 🎨 Image & Video Tools: Visit the live website here or visit its GitHub repo here.
• 🧑‍💻 The GitPeek App: Visit the live website here.

Data Science and AI/ML are also an important part of my skillset! Here are some of the projects that I have worked on in these areas:

• 🦾 Agentic Multi-Stage AI Bot: Visit the GitHub repo here
• 🧠 RAG-LangChain Agentic AI Chatbot: Visit the GitHub repo here
• 🤖 AI/ML Classifiers: Visit the GitHub repo here
• 🧑‍💻 Lumina RAG-Powered AI Chatbot: Visit the live website here
• 🏠 EstateWise Real Estate Chatbot: Visit the live website here or visit its GitHub repo here
• 💨 Customizable AI Chatbot: Visit the GitHub repo here
• 💸 FRED Economics Data Analysis: Visit the GitHub repo here
• 🎹 Moodify AI-Powered Emotion App - Data Analytics & AI/ML: Visit its GitHub repo here
• 🌟 Multipurpose AI Classifiers: Visit the GitHub repo here

• 📈 End-to-End Data Pipeline: Visit the GitHub repo here
• 🗂️ LatticeDB - A Next-Gen Database Management System (DBMS): Visit the GitHub repo here
• 🧐 Amazon Reviews Textual Analysis: Visit the GitHub repo here
• 🌏 Global Earthquake Data Analysis: Visit the GitHub repo here
• 🏭 Global CO₂ Emissions Analysis: Visit the GitHub repo here
• 🔍 Gapminder Data Analysis: Visit the GitHub repo here
• 🏅 Olympics Medals Data Analysis: Visit the GitHub repo here
• 🍷 Global Wine Quality Data Analysis: Visit the GitHub repo here
• 🤑 Stock Data Analysis Project: Visit the GitHub repo here
• 🇲🇼 Malawian CiTonga Tone Production Study: Visit the GitHub repo here
• 🇧🇷 Brazilian Portuguese Nonce Word Acceptability Study: Visit the GitHub repo here
• 🌍 Global COVID-19 Analysis: Visit the GitHub repo here
• 📊 North Carolina Household Analysis: Visit the GitHub repo here

I have also worked on a number of open-source libraries and packages that are available on npm and PyPI. Here are some of them:

• 🛠️ SQL-Mongo Query Converter: Visit the GitHub repo here - PyPI Package
• 💾 GhostCache API Cache Tool: Visit the GitHub repo here - npm package
• 👻 GhostIO Invisible Data Prefetch: Visit the GitHub repo here - npm package
• ⏳ TimeWarp Time Manipulation Library: Visit the GitHub repo here - npm package
• ⚡ FastFetch API Fetch Enhancer: Visit the GitHub repo here - npm package
• 🛡️ EnvGuard .env File Validator: Visit the GitHub repo here - npm package

Not quite my main focus, but I have also worked on a number of mobile applications over the years. Here are some of them:

• 📱 React Native TaskNexus Task Manager App: Visit the GitHub repo here.
• 🐦 Flappy Bird Game: Visit the GitHub repo here.
• 🎮 The 2048 Game: Visit the GitHub repo here. There is also a live web version of this game, which you can visit here.

Many other web development projects that I have worked on also feature mobile versions built with Apache Cordova or React Native, such as The MovieVerse Mobile, RecipeGenie Mobile, and Moodify Mobile. Feel free to check them out! 📱

Some other cool projects that I have worked on over the years. These include JavaFX games, C shell implementations, and software design patterns:

• 🗂️ LatticeDB - A Next-Gen Database Management System (DBMS): Visit the GitHub repo here.
• 🎨 Software Design Patterns: Visit the GitHub repo here.
• 🚀 Budget Management Comprehensive Backend API: Visit the GitHub repo here.
• ⚙️ ReproVM Virtual Machine: Visit the GitHub repo here.
• 🔐 ShadowVault Decentralized Backup Agent: Visit the GitHub repo here.
• 🚔 Passwordless Authentication Server: Visit the GitHub repo here.
• 📡 Golang Post Analyzer Webserver: Visit its GitHub repo here.
• 🎮 JavaFX 2048 Game: Visit its GitHub repo here.
• 🧩 JavaFX Akari Puzzle Game: Visit its GitHub repo here.
• 👾 JavaFX Space Invaders Game: Visit its GitHub repo here.
• ⚽ JavaFX Bouncing Ball Game: Visit its GitHub repo here.
• 🐚 Simple Shell in C: Visit its GitHub repo here.

• 🪐 DevVerse SWE Blog: Visit the live website here or visit its GitHub repo here.
• This blog features a wide range of topics, including Software Engineering, Web Development, Mobile Development, Data Science, AI/ML, DevOps, CI/CD, Databases, Graphics & Design, Languages, Frontend Development, Backend Development, Mobile Development, Data Analytics, AI & Machine Learning, Databases, CI/CD & DevOps, Graphics & Design, and Languages. I created this blog to share my knowledge and experiences with the world and to allow other developers to share their own knowledge and experiences as well. 🚀

• 💨 Customizable AI Chatbot: Visit the GitHub repo here.
• This repository hosts a highly customizable AI chatbot that you can use to create your own chatbot in minutes. The chatbot is powered by Next.js, TailwindCSS, Vercel, OpenAI API, RAG with Pinecone, and TypeScript. 🤖

Some projects of mine also include VS Code extensions. Here are some of them:

• 📊 MermaidGenie VS Code Extension: VS Code Marketplace.
• 📕 DocuThinker VS Code Extension: VS Code Marketplace.
• 🤖 EstateWise VS Code Extension: VS Code Marketplace.

More projects can be found in my GitHub repositories. You can also check out my portfolio website at sonnguyenhoang.com for more information about my projects and skills.

• Microsoft Azure AI Essentials Professional Certificate - Microsoft & LinkedIn
• Vector Databases Professional Certificate - Weaviate

• DevOps Professional Certificate - PagerDuty & LinkedIn
• Docker Foundations Professional Certificate - Docker, Inc.
• Microservices Foundations Professional Certificate - Kong Inc.

• Atlassian Agile Project Management & Jira Professional Certificate - Atlassian

• LambdaTest Test Automation Professional Certificate - LambdaTest

• Advanced SnowflakeDB: Deep Dive Cloud Data Warehousing and Analytics - LinkedIn

• Software Engineer Role Certificate - HackerRank
• Frontend Engineer Role Certificate - HackerRank
• REST APIs Certificate - Codecademy

• DS102X: Machine Learning for Data Science and Analytics - Columbia University
• PH125.1x: Data Science - Harvard University
• Data Science Ethics - University of Michigan

• Analyzing Business Metrics with SQL - Codecademy
• BDE1x: Big Data & Education - University of Pennsylvania

• CS198.1x: Bitcoin and Cryptocurrencies - UC Berkeley
• Building Your Cybersecurity Toolkit - University of Washington

• HCIxI: Human-Computer Interaction - Georgia Institute of Technology
• Leadership and Communication - Harvard University