Applied AI
Design agents, RAG, and reasoning layers that produce outcomes people can verify.
Find My Path · LangGraph · LLM · RAG
AI application engineer · Full-stack developer
I build useful systems with AI.
I combine agents, automation, web, mobile, and production infrastructure to turn unclear problems into working products.
Featured projectPathcan Mobile AppFocusApplied AI engineering
Delivery15+ SME clients
Training20K Practical AI Talents
Foundation3.94 / 4.0 GPA
From idea to working system.
Engineering matters when it helps people work better and makes the business easier to operate.
Automation
Connect APIs, data, and models into operational workflows that replace repetitive work.
6 content channels · n8n · Python
Web products
Build clear, fast websites and CMS platforms that remain easy to operate after handoff.
15+ SME deliveries across Vietnam
Mobile & native
Ship cross-platform Flutter experiences with native integration when performance matters.
Flutter · Firebase · Dart FFI · OpenCV
How I work
A clear path from context to delivery.
Understand
Clarify the user, goal, constraints, and what a good result means before choosing technology.
Design the logic
Turn context into architecture, data flows, and decisions that remain explainable.
Build
Connect interface, services, models, and infrastructure in a short delivery loop.
Deliver
Put the system into use, test real behavior, and leave a maintainable foundation.
Delivered work
Selected work.
Mobile App · Mobility
Pathcan Mobile App
Cross-platform mobile experience for education consulting and international student support.
Web / CMS · Client Delivery
Avocado Express Web Platform
Turned a 10,000-hectare agricultural vision into a credible bilingual digital presence for partners and international markets.
Web / CMS · Client Delivery
Trestle Holdings
Structured complex market-entry, mobility, trade, and leadership content into a clear global consulting narrative.
Web / CMS · Client Delivery
In N Out Urgent Care
Turned a broad clinical service offering into a fast patient journey from symptom or service discovery to practical visit information and contact.
Web / CMS · Client Delivery
Pathcan Academy Platform
Connected school discovery, AI-assisted matching, program research, and consultation into one education journey.
Stack
LangGraphLLMsRAGMulti-Agentn8nOpenAIGeminiStable DiffusionDockerPythonNext.jsWordPressLaravelZalo Mini AppFlutterREST APILangGraphLLMsRAGMulti-Agentn8nOpenAIGeminiStable DiffusionDockerPythonNext.jsWordPressLaravelZalo Mini AppFlutterREST API
Notes.
Working notes from building products in practice.
AI
How to think about RAG for business apps
A practical way to decide when retrieval adds value, what belongs in the index, and how to measure the answer quality.
Automation
Automation that survives production
The small operational decisions that turn an n8n workflow from a demo into a system people can rely on.
Web Engineering
Fast websites are product decisions
Performance improves when the page architecture, content model, and interaction budget agree from the beginning.
Your next project
Have a project in mind?
Tell me what you want to automate, build, or improve.