Hello, I'm
Kimchhong Say
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.

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
Professional Experience
A journey through cutting-edge technology companies, building intelligent systems and scalable solutions
AI Engineer & Full Stack Developer
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
Software Developer Intern
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
Technical Solutions Specialist
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
Web Developer
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
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 TouchTechnical Skills
A comprehensive toolkit built through years of hands-on experience in modern technologies
AI & Machine Learning
Frontend Development
Backend Development
Databases & Cloud
IoT & Hardware
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.
Featured Projects
A showcase of my latest work in AI, full-stack development, and innovative solutions

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

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

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

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
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
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

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
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
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
Cybersecurity
AI Development
Data Science
Coding for Data Science with MATLAB
Digital Marketing
Foundation of Digital Marketing and E-Commerce
Professional Development
PTT Global Chemical Internship Program Certificate
Language Proficiency
IELTS Band 5.5
Certification Overview
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.
Available for Projects
I'm currently available for freelance projects and consulting opportunities. Let's discuss your requirements and timeline.