About Me
Nguyễn Xuân Hải is a Full-Stack Developer based in Ho Chi Minh City, Vietnam with commercial software delivery experience since October 2024 through commercial product work and an ERP internship.
He builds production React, ASP.NET Core, NestJS, and Odoo workflows from requirement clarification through release and support. He studies Information Technology at Ho Chi Minh City University of Transport, expects to graduate in 2026, and has a current GPA of 3.24/4.00.
Technical Skills
- Frontend: React 18/19, TypeScript, Vite, React Router
- Backend: C#, ASP.NET Core Web API/MVC, NestJS, RESTful API
- Data and ERP: PostgreSQL, SQL Server, Redis, Python, Odoo 18
- Quality and delivery: Jest, Docker, GitLab CI/CD, GitHub Actions
Company Experience
Full-Stack Developer — Betodemy
Start: February 2026 | End: Present
Built and maintained modules for a Japanese learning platform, including student portals, online classes, admin workflows, realtime classroom features, and multilingual content workflows.
Impact: Delivered 70+ merged MRs and closed 70+ authored issues across document-editor, online-class, and student/admin workflows.
Full-Stack Developer Intern — AI Power
Start: May 2026 | End: July 2026
Contributed to an Odoo 18 ERP for automotive dealership operations in Vietnam, covering sales, an 18-state after-sales service workflow, spare parts, warranty, and TT200 accounting.
Worked across 18 custom modules and 99+ Python files using Python 3.12, Odoo 18, PostgreSQL, QWeb/XML, wkhtmltopdf, Docker, GitLab CI, and gettext i18n.
Impact: Supported debugging and fixes across all 18 custom modules and 99+ Python files while preserving the 18-state after-sales service workflow.
Full-Stack Developer — OakMind Group
Start: October 2024 | End: January 2026
Delivered VN Media Hub, Great Link Mai House, and the OakMind Group corporate platform. Built production CMS, authentication, moderation, SEO, analytics, media, and realtime workflows with React, C#, ASP.NET Core/MVC, Entity Framework Core, and SQL Server.
Impact: Owned BA clarification through production release across three products and delivered the live OakMind website in 28 authored commits.
Projects
OakMind Group Corporate Platform
Production corporate CMS for Media and B2B Import-Export with admin/editor, bilingual content, SEO/analytics, video, and Cloudflare R2 media workflows.
Technologies: React 19, ASP.NET Core 8, SQL Server, Cloudflare R2
Impact: Shipped the live platform in 28 authored commits.
Visit SiteGreat Link Mai House
Rebuilt legacy publishing workflows as a maintainable React and ASP.NET Core platform with requirements-to-release ownership.
Technologies: ASP.NET Core, SQL Server, C#
Visit SiteEducation English (ECH)
Community LMS that digitized volunteer teaching operations with automated certificates and Excel/PDF reporting. Project period: October 2024 - January 2026.
Technologies: ASP.NET Core, SQL Server, QuestPDF, Cloudinary
Visit SiteVN Media Hub
Production CMS that centralized content, moderation, publishing, and reporting with caching, structured logging, SEO, and PDF exports.
Technologies: .NET Core, React, SQL
Visit SiteChongScam - Trust Platform
Client-operated production platform for checking transaction risk, verified traders, and community scam reports, developed from April to July 2026.
Technologies: React 19, NestJS 11, PostgreSQL, Jest
Impact: Delivered workflows spanning 22 NestJS controllers, 20 SQL migrations, and 12 Jest/e2e test suites.
Visit SiteRouteLab - Shortest Path Laboratory
Interactive comparison of Dijkstra, A*, Floyd-Warshall, and Bellman-Ford with replay visualization, tests, and backend CI.
Technologies: React, TypeScript, Express, PostgreSQL, Vitest
Visit SiteAgriTrace - Blockchain Traceability
Hybrid on-chain/off-chain agricultural traceability with multi-role workflows, QR verification, and IPFS evidence.
Technologies: React, Express, PostgreSQL, Solidity, IPFS
GitHubVision Key AI
Native macOS screen assistant with secure key storage, global hotkeys, and Gemini-powered contextual workflows.
Technologies: Swift, SwiftUI, AppKit, Gemini
Visit SitePortfolio Website
Recruiter-facing React portfolio with structured project evidence, responsive interactions, analytics, and a contextual assistant.
Technologies: React, GSAP, Slate, Vercel
Visit SiteBlog
Articles about React, .NET Core, AI integration, and web development best practices.
View all articles on Dev.to