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Han Hoa Huynh
24+
Years of Experience

Han Hoa Huynh

Fullstack Developer & AI Specialist
Diploma in Media Computer Science (FH)

Experienced Fullstack Developer with over 24 years of expertise in modern web development, AI integration, and scalable software solutions. Specialized in Next.js, React, TypeScript, and RAG-based AI systems.

33+
Projects
17K+
Users
97%
Cost Savings
12+
Industries

Core Competencies

AI & Machine Learning

Development of intelligent systems with RAG technology, NLP, and AI APIs for context-aware applications.

RAG Systems
OpenAI API
Whisper AI
Vector DB

Fullstack Development

Modern web applications with Next.js, React, and TypeScript. From conception to production.

Next.js 14
React
TypeScript
Node.js

Bot Development

Development of intelligent Telegram bots with media processing, speech recognition, and automated communication.

Telegram Bots
NLP
Media Processing
ffmpeg

Database & Performance

Database design and optimization with PostgreSQL, MongoDB, and vector databases for maximum performance.

PostgreSQL
MongoDB
Drizzle ORM
Redis

Software Architecture

Clean Architecture, SOLID principles, and type-safe development for maintainable and scalable systems.

Clean Architecture
SOLID
API Design
Type Safety

Internationalization

Multilingual web applications with SEO optimization for global markets and international audiences.

next-intl
5 Languages
SEO
i18n Routing

Featured Projects

Heilpraktiker Bot

RAG-based Telegram Bot for Health Scene

AI-powered Telegram bot with RAG technology for the alternative health scene. Uses vector databases for context-aware answers from scanned specialist books.

17,000+ active users
Telegram Bot @HeilWissenBot
RAG Systems
PostgreSQL
DeepSeek API
Vector DB

AI Media Assistant

Intelligent Media Download & Translation Bot

AI-first Telegram bot with media processing pipeline: video download, transcription via Whisper AI, and intelligent translation with TTS integration.

97% cost reduction
70% faster processing
Whisper AI
GROQ API
Google Cloud TTS
ffmpeg

emu-wc.com

E-Commerce Platform for Smart Toilets

Trilingual Next.js 14 website with complete product system, Drizzle ORM, and Clean Architecture. Migration from WordPress to modern web application.

Trilingual Website (DE/EN/RU)
6 products, 2 categories
Next.js 14
Neon Postgres
Drizzle ORM
shadcn/ui

phobo.de

Multilingual Business Website

Fully multilingual (5 languages) Next.js website with integrated RAG-based AI chatbot and optimized SEO for international markets.

5 languages
AI chatbot integrated
Next.js
next-intl
OpenAI
RAG

Technology Stack

Frontend

React
Next.js 14
TypeScript
Vue.js
Nuxt.js
Tailwind CSS
shadcn/ui

Backend

Node.js
Express
Python
PostgreSQL
MongoDB
Redis

AI & ML

OpenAI API
RAG Systems
Whisper AI
GROQ API
Vector DB
NLP

DevOps

Git
Docker
Vercel
GitHub Actions
pnpm

Tools & Frameworks

Drizzle ORM
Telegraf.js
ffmpeg
yt-dlp
next-intl

Programming Languages

JavaScript
TypeScript
Python
HTML/CSS
SQL

Professional Experience (Highlights)

Founder & Fullstack Developer

2024 - Present

Phobo Web Agency, Mülheim an der Ruhr

Founded and lead a web development agency focusing on modern technologies (Next.js, React) and AI integration. Development of multilingual web applications and intelligent chatbot systems.

IT Web Design & Social Media Specialist

2019 - 2021

Sanitätshaus Willecke GmbH, Oberhausen

Complete digitalization of the company: modernization of the website, integration of modern web technologies, and development of a social media strategy.

E-Commerce Team Lead

2012 - 2017

S.P. Shoeplanet GmbH, Neuss

Led e-commerce development for B2B shop systems. Team management and optimization of business processes in online commerce (5+ years).

Programmer

2002 - 2005

Intermedia Content KG / Bauer Verlag, Hamburg

Development and maintenance of high-traffic portals (autozeitung.de, geldidee.de, wertpapier.de) with PHP/MySQL. Performance optimization for millions of visitors.

Ready for Your Next Project?

Whether AI integration, modern web application, or complex fullstack project – I'm happy to support you in implementing your ideas. Let's develop innovative solutions together.

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