Available for Full-Time Roles
.NET 8 • TypeScript / React 19

Thieu Viet Hoang

Full-Stack Software Engineer (.NET 8 / C# • TypeScript)

Architecting High-Performance Enterprise Backend (.NET 8) & Modern Type-Safe Web Applications (TypeScript / React 19). Passionate about Systems Security, Resilient Cloud Architecture, and Practical AI Orchestration.

Explore Featured ProjectsView Resume (PDF)GitHub Profile
Ảnh đại diện Thieu Viet Hoang
#01
2+
Years Experience
Web Systems & Practical Solutions
#02
10+
Delivered Projects
Web Apps, Tools & Client Sites
#03
15+
Automation Scripts
Google Sheets, Tampermonkey & Workflows
#04
100%
Dedication & Agility
Fast Learning & Problem Solving
Selected Engineering Works

Featured Projects

Production systems, client web applications, and automation tools.

Featured
01

Full-Stack .NET 8, Clean Architecture, Next.js 14, Web Audio API

LyricPhonics: AI Multimodal Phonics Cover Engine

Full-stack .NET 8 & Next.js 14 app. Features 60fps real-time karaoke sync, Web Audio visualizer, and Clean Architecture with Polly v8 for robust AI.

.NET 8Next.js 14AI Phonics+3
View Details→
Featured
02

Full-Stack B2B SaaS, Operations Intelligence, Zero-Knowledge E2EE

ShopOps: All-in-One Operations Intelligence & E-Commerce SaaS

Full-stack operations platform for global Etsy sellers featuring client-side Zero-Knowledge encryption and automated API rate-limit smoothing.

Next.js 16 (Turbopack)React 19TypeScript+4
View Details→
Featured
03

AI Engineering, High-Throughput Scraper, In-Memory RAG

Enterprise RAG Knowledge System & AI Data Pipeline

Sub-millisecond latency educational AI assistant with TLS/JA3 fingerprint impersonation and 70% token cost reduction.

Pythoncurl_cffi (JA3/TLS)Next.js 15+3
View Details→
04

Desktop Automation, .NET 8 RPA, Multi-threading

ASMLink: High-Throughput Desktop RPA Suite (.NET 8)

Multi-threaded desktop automation system with anti-bot bypass, automated IMAP/POP3 verification, and resilient retry policies.

C# (.NET 8)Selenium WebDriverMailKit+2
View Details→
05

AI Agent, Web Scraping (REA), Local-First Automation

Job Scout VN: AI Job Hunter & Recruitment Reality Check

AI-powered IT job hunter for Vietnam. Extracts 5 platforms via Next.js SSR, scores compatibility, and blocks helpdesk traps with local-first architecture.

AI Job HunterNext.js SSRVietnam IT Jobs+3
View Details→
06

WordPress

PNJ Export: Website WordPress & Figma To Code

Pixel-perfect PNJ Export site built with WordPress & Elementor. Transformed Figma designs into a seamless, high-performance jewelry platform.

WordPressElementorFigma to Code+3
View Details→
Technical Stack & Core Pillars

Core Specializations (.NET 8 & TypeScript)

Architectural design, asynchronous concurrency, type safety, and resilient security across enterprise backends and modern web applications.

Backend & Enterprise .NET

Clean Architecture, High-Throughput APIs & Resilient Systems

Primary Focus
C#
.NET 8 / 9
ASP.NET Core Web API
Clean Architecture
Entity Framework Core
Polly v8 Resilience
LINQ
Asynchronous TPL
Dependency Injection
RESTful APIs
C# Desktop RPA (Selenium, MailKit)
Java Spring Boot

Frontend & Modern Web

Type-Safe Client Architecture, React 19 & Next.js RSC

Primary Focus
TypeScript
Next.js 15 / 16 (App Router & RSC)
React 19
TailwindCSS v4
State Management
Web Audio API
Canvas API

Data, Caching & Cloud

PostgreSQL, SQL Server, Redis & Object Storage

Scalable Storage
PostgreSQL (Neon)
SQL Server
MongoDB Atlas
Redis (Upstash / In-Memory)
Cloudflare R2
Docker
Vercel

Security, Systems & Automation

Zero-Knowledge E2EE, Bot Mitigation & RAG Pipelines

Superpowers
Zero-Knowledge E2EE (AES-256-GCM + PBKDF2)
Web Crypto API
TLS/JA3 Impersonation
Python (curl_cffi, RAG Pipelines)
C# Desktop RPA (Selenium, MailKit)
Playwright

Working Familiarity & Additional ToolingHands-on Experience

Applied across past client solutions, automation scripts, and systems troubleshooting.

Git
GitHub
Postman
Visual Studio
VS Code
WordPress
Professional Strengths & Soft Skills
Systematic Troubleshooting & DebuggingClean Architecture Design PatternsTechnical Documentation & RFC WritingCross-Functional CollaborationFast Prototyping & High Execution Agility

Journey

Work Experience

09/2025 – Present

Freelance Software Engineer & Tools Developer

ASMLink & Production Clients

  • Desktop RPA Suite: Developed a high-performance desktop automation suite in C# (.NET 8) utilizing Selenium WebDriver and MailKit with Task Parallel Library (TPL), automating multi-threaded account workflows and anti-bot verification.
  • Enterprise SaaS & Systems: Architected ShopOps (Next.js 16, React 19, TypeScript, Zero-Knowledge E2EE, Etsy API v3 key pool) and LyricPhonics (.NET 8 Clean Architecture, Polly v8, 25/25 unit tests).
  • Corporate Web Engineering: Built and tuned production corporate web applications (PNJ Export, Tien Cung Food), achieving 90+ Google PageSpeed Insights scores and comprehensive technical SEO compliance.

08/2025 – 09/2025

Technical Support Staff

Global Education Technology Co., Ltd. (Ideas Education)

  • Conducted exploratory functional testing on the K12Online platform, validating Role-Based Access Control (RBAC).
  • Investigated user-reported authentication and synchronization issues, bridging bug diagnostics directly to engineering teams.

06/2024 – 08/2024

IT Infrastructure Intern

Dai Duong Consulting & Training Co., Ltd.

  • Deployed Windows OS environments across school computer labs via automated disk imaging (WinPE, Acronis).
  • Configured LAN network topology, client-server monitoring software, and conducted system hardware diagnostics.
Academic & Credentials

Education & Certifications

Formal Education

Saigon University - SGU

Software Engineering

2020 – 2024GPA: 3.2 / 4.0
GPA 3.2 / 4.0.
Graduation Thesis; Smart 3D Warehouse Management System

Beyond Core Skills

Additional Skills

Technical SEO & Core Web Vitals

Core Web Vitals tuning, PageSpeed optimization, structured data (JSON-LD Schema), and search indexability

Facebook Ads

Foundational knowledge of advertising and content optimization.

Video Editing with CapCut

Short-form video editing, cutting and content processing.

Photoshop - Canva

Basic photo manipulation using Photoshop and quick graphic design with Canva for social media content.

Audio Editing

Basic audio editing, mixing and finishing with Adobe Audition, BandLab.

Contact

Let us build something useful.

Have a project or automation challenge? Send me a message.

thieuhoangent@gmail.com

Support & Buy Me a Coffee

Find my open-source projects or automation tools helpful? You can buy me a coffee at:

Buy Me a CoffeeKo-fiPayPal

Sponsorship & Support

Support & Fuel My Work

If you find my open-source projects, automation tools, or technical writeups helpful, consider sponsoring me on GitHub or buying me a coffee!

Sponsor on GitHub
GitHub SponsorsTechcombank (QR & STK)Ko-fiBuy Me a CoffeePayPal