Projects
A curated set of projects showing how I solve problems with a focus on reliability and human-centered design.
Salus — Corporate health checks
Mobile health-check software for corporate rounds: tablet data entry at each station, Form 03 printing, submission to provincial health portals.
Problem
Health-check rounds are recorded on paper and re-entered, and portals reject the records
Solution
Tablet data entry at each station, Form 03 printing, direct submission to health portals
Hospital Website
Modern web platform with CMS, public service pricing and customer care chat.
Problem
Old website is outdated, difficult to manage content and does not meet modern needs
Solution
Build new web platform with CMS, responsive design and chat integration
T4F OS — Personal multi-module app
An app I wrote and use daily: tasks, personal finance, and an approval inbox for entries a chatbot logged for me.
Problem
One app per concern, three logins, and personal data sitting on someone else's servers
Solution
One app for tasks, spending and an approval inbox, usable with no network
Sales Route Optimization App
Mobile app helping sales staff plan daily customer visits efficiently.
Problem
Sales staff waste time and fuel due to inefficient route planning
Solution
Build automatic route optimization app using OR-Tools algorithm
Patient App
Mobile app helping patients check test results, medical history and chat consultation.
Problem
Patients must visit hospital to get test results and check information
Solution
Build cross-platform app for patients to check and consult remotely
Surgery Display Board
Real-time website displaying surgery patient list for family members to track progress.
Problem
Patient families constantly ask about surgery progress, overloading staff
Solution
Build real-time surgery room status display system
Auto Insurance Approval
Automate health insurance approval process on BHXH portal, replacing manual operations.
Problem
Insurance staff spend 30 minutes/day on manual operations on BHXH portal
Solution
Automate approval process using Python and Selenium
Medical Assistant
AI-powered medical assistant with Vietnamese speech recognition, symptom suggestion, ICD10 diagnosis and prescription.
Problem
Doctors spend too much time on manual data entry, prone to errors and slowing down consultations
Solution
Develop AI with Vietnamese speech recognition, automatic symptom and diagnosis suggestions
Medical Staff Standardization
Tool to standardize and edit medical staff lists directly, replacing manual Excel work.
Problem
High error rate when submitting medical staff lists to BHXH due to complex format
Solution
Build automatic standardization tool with flexible rule engine
T4F Portfolio
Personal portfolio website with digital garden, built with Astro and React.
Problem
As a programmer without a personal website to build a brand
Solution
Build portfolio website with Astro, buy domain and deploy