Hello, I'm

Kimchhong Say

I'm a AI Engineer

A passionate AI Engineer and Full-Stack Developer specializing in Generative AI and Agentic AI systems. Expert in building intelligent chatbots, RAG pipelines, and AI-powered applications using cutting-edge technologies like LangGraph, Openrouter APIs, and vector databases. Proven track record in developing production-ready AI solutions and published research in conversational AI.

View My Work
3+
Years Experience
10+
Projects Completed
5+
Competitions Won
Kimchhong Say - Professional Profile

About Me

I'm a passionate AI Engineer and Full-Stack Developer with over 3 years of experience specializing in Generative AI, Agentic AI systems, and intelligent automation. Currently building advanced AI-powered customer service solutions with LangGraph orchestration and multi-agent architectures.

My Journey

My journey began with a fascination for AI technology and its potential to solve real-world problems. Currently pursuing my Bachelor's degree in Digital Innovation with a Royal Scholarship, I've evolved from traditional web development to cutting-edge AI engineering, focusing on agentic systems and intelligent automation.

Current Focus

  • Building Agentic AI systems with LangGraph orchestration
  • Developing intelligent customer service automation
  • Creating RAG pipelines and vector database solutions
  • Designing intelligent workflows with internal API integration

Areas of Expertise

Agentic AI Systems

LangGraph orchestration, intelligent workflow automation, customer service AI assistance, and advanced AI tool integration

Generative AI Integration

ChatGPT API, Gemini API, OpenRouter APIs, RAG pipelines with vector databases, and intelligent chatbot development

AI-Powered Full Stack Development

React, Next.js, Node.js, TypeScript with AI capabilities, and building intelligent web applications

Vector Databases & Retrieval

Qdrant vector database, semantic search, RAG implementations, and context-aware AI systems

API Development & Integration

RESTful APIs, internal API calling as AI tools, third-party integrations, and microservices architecture

Research & Innovation

Published AI research, hackathon participation, and emerging AI technology exploration

Fun Facts About Me

1000+
Cups of Coffee Consumed
24/7
Learning Mode Activated
Passion for Innovation

Professional Experience

A journey through cutting-edge technology companies, building intelligent systems and scalable solutions

AI Engineer & Full Stack Developer

Destiny Enterprise Company Limited
Chiang Mai, Thailand
March 2025 - PresentFull-time

Leading cutting-edge agentic AI development and intelligent automation initiatives. Specializing in building production-grade AI systems with LangGraph orchestration, advanced prompt engineering, and enterprise integration capabilities.

Key Achievements

  • Architected and deployed production-ready agentic AI systems using Claude 3.5 Sonnet with LangGraph orchestration, achieving 10x operational efficiency improvements
  • Engineered intelligent context-aware conversation handling with progressive workflow management and state persistence
  • Implemented advanced parallel tool usage and multi-tool AI integration with real-time third-party API synchronization
  • Designed innovative UI/UX with dynamic context-aware interaction buttons leveraging advanced prompt engineering techniques
  • Pioneered VLLM integration architecture for local model deployment, custom fine-tuning pipelines, and cost optimization strategies
  • Developed intelligent tool-first AI approaches with seamless business data integration and multi-language response capabilities
  • Led modernization initiatives migrating legacy systems to Next.js architecture, achieving up to 8x performance improvements
  • Built sophisticated RAG pipelines with Qdrant vector database for semantic search and context-enhanced AI responses

Technologies Used

Claude 3.5 SonnetOpenRouterLangGraphVLLMCustom Fine-tuningEnterprise IntegrationMulti-tool AIParallel ProcessingNext.jsReactQdrantPythonAdvanced Prompt Engineering

Software Developer Intern

PTT Global Chemical Public Company Limited (GC)
Bangkok, Thailand
November 2024 - February 2025Internship

Developed enterprise-level applications using modern Microsoft technologies. Focused on data automation and AI integration for business intelligence solutions.

Key Achievements

  • Developed responsive UIs using MS Blazor WebAssembly with .NET 8 and Bootstrap
  • Automated data extraction from PDFs, Excel, and HTML with AI integration
  • Integrated APIs with generative AI for enhanced data processing capabilities
  • Built data pipelines using PySpark and created interactive dashboards with Power BI

Technologies Used

Blazor WebAssembly.NET 8BootstrapPySparkPower BIGenerative AIPDF Processing

Technical Solutions Specialist

Laila Aviation Startup Company
Ubon Ratchathani, Thailand
January 2023 - December 2024Part-time

Managing IoT infrastructure for smart farming solutions. Responsible for hardware maintenance, software development, and system integration for agricultural technology.

Key Achievements

  • Managed IoT system hardware and software for smart farms using ESP32 and Arduino
  • Coordinated IoT system delivery, setup, and provided comprehensive on-site support
  • Integrated web interfaces using HTML, PHP, JavaScript with SQL database management
  • Ensured 99% uptime for critical agricultural monitoring systems

Technologies Used

ESP32ArduinoHTMLPHPJavaScriptSQLIoT Systems

Web Developer

LEAD Language Center
Ubon Ratchathani, Thailand
January 2022 - December 2023Part-time

Developed and maintained educational institution websites with focus on user experience and digital marketing integration.

Key Achievements

  • Developed visually appealing websites using HTML, JavaScript, Bootstrap 5, and CSS
  • Implemented targeted Google Ads campaigns increasing website traffic significantly
  • Enhanced online presence for English language education services
  • Improved user engagement through responsive design and SEO optimization

Technologies Used

HTMLJavaScriptBootstrap 5CSSGoogle AdsSEO

Ready to Work Together?

I'm always excited to take on new challenges and collaborate on innovative projects. Let's discuss how we can bring your ideas to life.

Get In Touch

Technical Skills

A comprehensive toolkit built through years of hands-on experience in modern technologies

AI & Machine Learning

Claude 3.5 Sonnet
95%
OpenRouter APIs
93%
LangGraph Orchestration
92%
VLLM Integration
88%
Custom Fine-tuning
85%
Multi-tool AI Systems
90%
RAG Pipelines
92%
Agentic AI Architecture
94%

Frontend Development

React.js
95%
Next.js
93%
TypeScript
90%
JavaScript
95%
Tailwind CSS
92%
Bootstrap
90%
HTML5/CSS3
96%

Backend Development

Node.js
90%
Python
93%
Flask/FastAPI
88%
PHP
85%
.NET/Blazor
82%
RESTful APIs
93%
C/C++/C#
78%

Databases & Cloud

Firebase
95%
SQL/MySQL
88%
Qdrant Vector DB
85%
PySpark
85%
Power BI
83%
Google Cloud
87%
Firestore
90%

IoT & Hardware

ESP32/Arduino
92%
IoT Systems
90%
Sensor Integration
85%
Hardware Debugging
83%
Robotics
78%
Smart Farming
88%
Remote Control
85%

Passion for Innovation & Learning

Driven by curiosity and a commitment to excellence, I continuously expand my expertise in emerging technologies, focusing on AI integration and modern development practices.

25+
Technologies Used
3+
Years Experience
10+
Projects Delivered

Featured Projects

A showcase of my latest work in AI, full-stack development, and innovative solutions

Advanced Agentic AI Assistant with LangGraph
AI/ML

Advanced Agentic AI Assistant with LangGraph

A sophisticated agentic AI system demonstration showcasing advanced LangGraph orchestration, intelligent tool integration, and context-aware conversation handling for customer service automation.

Key Features:

  • Intelligent tool-first approach with parallel processing
  • Progressive workflow management with validation
  • Context-aware response generation
Claude 3.5 SonnetOpenRouter APILangGraphTypeScript+3 more
TalkTutorAI-Gemini Edition
AI/ML

TalkTutorAI-Gemini Edition

A web application leveraging the cutting-edge Gemini API to power an intelligent chatbot experience for English language learning with speech-to-text integration.

Key Features:

  • Intelligent chatbot for language learning
  • Speech-to-text integration for natural interaction
  • Real-time conversation practice
Next.jsReact.jsTailwind CSSFirebase+2 more
Video
Alcademy Assist: AI for Enhanced Learning
AI/Mobile

Alcademy Assist: AI for Enhanced Learning

A mobile app using React Native with AI-powered lecture capture, summarization, and personalized academic guidance for tertiary education enhancement.

Key Features:

  • AI-powered lecture capture and summarization
  • Multiple summarization formats (text, bullet points, visuals)
  • Personalized academic guidance system
React NativePythonVertex AIGoogle Cloud+2 more
Web Application AI Chatbot - TalkTutorAI
AI/ML

Web Application AI Chatbot - TalkTutorAI

AI-powered language learning chatbot built with ChatGPT API for interactive English conversation practice. Published research in AJCC 2024 conference proceedings.

Key Features:

  • Interactive AI conversation interface
  • Real-time language practice sessions
  • Voice recognition capabilities
HTMLJavaScriptCSSChatGPT API+1 more
Documentation
AI-Powered Kidney Disease Risk Assessment
AI/Healthcare

AI-Powered Kidney Disease Risk Assessment

A LINE chatbot that analyzes food images to estimate sodium intake and assess kidney disease risk. Winner of 25th National Software Contest 2023 - NSC Thailand.

Key Features:

  • Food image recognition and sodium estimation
  • Personalized health risk assessment
  • Historical intake tracking and analytics
PythonComputer VisionLINE Chat APIMachine Learning+1 more
EcoEaters - Food Waste Reduction Platform
Ideas/Innovation

EcoEaters - Food Waste Reduction Platform

A social innovation platform designed to reduce food waste through community engagement and smart resource redistribution systems.

Key Features:

  • Food waste tracking and analytics
  • Community sharing platform
  • Smart redistribution algorithms
ReactNode.jsMongoDBExpress+2 more
AskMeGC - Sustainable Living AI Assistant
AI/Mobile

AskMeGC - Sustainable Living AI Assistant

A mobile-first web app powered by Google Cloud's Vertex AI that promotes sustainable living through object recognition and eco-friendly recommendations.

Key Features:

  • Plastic bottle identification via smartphone camera
  • Eco-friendly practice recommendations
  • Recycling kiosk location finder
HTML5Vertex AIGoogle CloudComputer Vision+2 more
Robotic Lawn Mower - Remote Control System
IoT/Hardware

Robotic Lawn Mower - Remote Control System

An innovative robotic lawn mower system with remote control capabilities for automated grass cutting and landscape maintenance.

Key Features:

  • Automated lawn mowing patterns
  • Remote control via mobile interface
  • Obstacle detection and avoidance
ArduinoESP32IoT SystemsRemote Control+2 more

Interested in My Work?

I'm always excited to work on new projects and collaborate with innovative teams. Let's discuss how we can bring your ideas to life.

Certifications & Achievements

Professional certifications and achievements that demonstrate expertise across multiple domains

Cloud Computing

APAC Hack2Skill Hackathon - Top 10 Finalist

2024
Cloud Computing
View

Cybersecurity

NCSA CTF Boot Camp Participation

2024
Cybersecurity
View

Capture The Flags Cyber Security Competition

2024
Cybersecurity
View

Basic Cybersecurity Lab Completion

2024
Cybersecurity
View

AI Development

Coding for AI Industrial Application

2024
AI Development
View

Coding for Artificial Intelligence

2024
AI Development
View

Introduction to LangGraph

2025
AI Development
View

Data Science

Coding for Data Science with MATLAB

2024
Data Science
View

Digital Marketing

Foundation of Digital Marketing and E-Commerce

2024
Digital Marketing
View

Professional Development

PTT Global Chemical Internship Program Certificate

2025
Professional Development
View

Language Proficiency

IELTS Band 5.5

2023
Language Proficiency

Certification Overview

11
Total Certificates
7
Categories
2024
Latest Year
10
Verifiable

Get In Touch

Ready to collaborate on your next project? I'd love to hear about your ideas and discuss how we can work together.

Let's Connect

I'm always excited to discuss new opportunities, innovative projects, or just chat about technology. Whether you're looking for an AI engineer, full-stack developer, or technical consultant, I'd love to hear from you.

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Available for Projects

I'm currently available for freelance projects and consulting opportunities. Let's discuss your requirements and timeline.

Send a Message