Online TOEIC learning platform - A full-stack TOEIC preparation platform for Vietnamese learners with onboarding, practice tests, listening, vocabulary, grammar, learning progress, AI roadmap, payments, blog content, and admin tooling.

Calendar Intelligence Assistant - An AI-powered calendar assistant for smart scheduling, two-way Google Calendar sync, public booking links, team calendars, task planning, reminders, and production deployment.

AI & SEO blogging platform - A production AI content platform and SEO case study for Vietnamese readers, combining AI education, editorial workflows, technical SEO, Search Console measurement, backlinks, and social distribution.

Mechanical keyboard e-commerce - A full-stack multi-role e-commerce platform for mechanical keyboards, artisan keycaps, switches, custom build services, carts, orders, supplier workflows, CMS, SePay/VietQR payments, COD, GHN shipping, and inventory operations.

Proactive Retention Agent for SaaS - An AI-assisted retention CRM for SaaS founders that detects silent churn, prioritizes at-risk customers, and sends gentle founder-led nudges before users cancel.

Digital product experiment - A product-focused web application experiment built around clean UX, practical workflows, and full-stack delivery.

AI-powered GitHub insights & chat - An AI tool for connecting GitHub repositories, analyzing codebases, generating pull request insights, and chatting with repository context using LLM and RAG workflows.

Web3 payment platform - A Sui blockchain payment solution for simple crypto payments, QR payment flows, payment requests, smart escrow, and developer-friendly Web3 payment integration.

Job recruitment platform - A recruitment web platform for browsing opportunities, managing career content, and supporting job application workflows.

AI-powered interview simulation - An interview practice product that helps users simulate interview sessions and improve preparation with AI-assisted feedback workflows.

AI-powered Git workflow - A developer tool for improving Git workflows with AI-assisted commit messages, branch naming, pull request summaries, and terminal-first automation.