Do Duy Toan Developer

As a Fullstack Developer at MISA JSC, I am passionate about crafting robust software solutions (Java/Spring - C#) and integrating Artificial Intelligence (Python) to solve real-world challenges.

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6+ Key Projects

3+ Languages (Java, Python, C#)

25+ Skills & Technologies

Java & Spring Boot

AI & Big Data

Python

Hi, I'm Do Duy Toan

Fullstack Developer (Java Web, AI/Data)

Hanoi, Vietnam

Fullstack Developer at MISA JSC

With a strong technical foundation proven by an outstanding Graduation Project score of 9.7/10, I currently serve as a Fullstack Developer at MISA JSC.

My development philosophy centers on clean architecture, performance optimization, and scalability. Beyond Web Development, I deeply explore complex algorithms, AI, and Big Data. My goal is to build technology products that deliver sustainable value.

Backend Development

Building RESTful APIs, handling business logic, and security with Spring Boot.

AI & Data

Analyzing big data and building AI models for emotion recognition using Python.

Algorithms & Security

Researching Data Structures & Algorithms, applied to cryptography problems (RSA, ElGamal).

Continuous learning is the key to growth in the Information Technology industry.

Let's build something meaningful together

I'm always open to discussing internship opportunities or interesting projects.

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Skills

I have a solid computer science foundation, diverse programming skills, and hands-on experience across multiple projects.

Software Development

Languages, Frameworks, and Tools

Java (Core, JavaFX) & Spring Boot 90%

Python (AI, Big Data, ElGamal) 85%

C# (.NET) & C/C++ 75%

MySQL & Hibernate/JPA 85%

Frontend (Vue 3 JS, Bootstrap) 80%

AI Agent in Coding (Copilot, Cursor) 85%

Computer Science Foundations

Specialized Fields

Data Structures & Algorithms 80%

Artificial Intelligence (AI/ML - Facial Recognition) 70%

Cryptography & Information Security (RSA, ElGamal) 75%

Years of Study

Years

Years of study and practical project implementation in Information Technology.

Core Languages & Technologies

Java

Spring Boot

Python

MySQL

Git

AI Agent

Achievements & Projects

2026

Finalist - Digital Era Creative Innovation

2025

Big Data Certificate - Samsung (SIC)

2025

Completed AI Emotion Recognition Project

2024

Booking Healthy Project (Team Lead)

2024

Greeny Farm Project (Project Manager)

My Resume

An overview of my academic and project experience.

Project Experience

Practical projects completed during my studies.

Current

Fullstack Developer

MISA JSC

Actively developing and optimizing core software products. Responsible for designing APIs, handling complex business logic, and building user interfaces, ensuring top-tier performance and code quality.

Jun 2024 - Aug 2024

Team Lead / Backend Developer

Project: Booking Healthy (Healthcare System)

Designed DB (Doctors, Patients), built APIs, implemented Spring Security, integrated Thymeleaf, and set up automated emails.

Spring Boot MySQL Thymeleaf

May 2026 - Jun 2026

Team Leader

Digital Era Creative Innovation Competition (Finalist)

MedAI Project: A smart medical booking platform with a 24/7 AI virtual assistant. Analyzes patient symptoms to route to the correct specialty and books appointments within 5 mins. Integrated an actionable AI Agent to call APIs, check availability, and prevent double-booking via Soft-Lock.

AI Agent Vue 3 JS C#

Oct 2024 - Feb 2025

Project Manager / Backend Developer

Project: Greeny Farm (E-commerce Website)

Built e-commerce system (Products, Cart, Order) using MVC. Wrote REST APIs for cart and managed team progress.

Jun 2025 - Oct 2025

Main Developer

Project: SmartFinance (Personal Finance App)

Built an Android (Java) app for expense tracking. Used SQLite for local storage and applied Material Design.

Education & Activities

My formal education and extracurricular activities.

Bachelor of Information Technology

Graduated

Solid computer science foundation with a specialization in Software Engineering. Excellent logical thinking and problem-solving skills.

Graduation Project: 9.7/10 GPA: 2.9/4.0

Club Activities

Member, HIT Club

2022 - 2023

Participated in programming courses (Java, C#) and specialized knowledge-sharing sessions, building real-world projects.

Professional Certifications

Big Data Certificate Samsung Innovation Campus (SIC) • 2025

My Portfolio

These are the key projects I've built, showcasing my skills in Web Apps, AI, Big Data, and Desktop applications.

All
Web App
AI & Data
Desktop & Mobile

Web Application 2024

Healthcare Booking System (Booking Healthy)

A team project (Team Lead role) to build an appointment system. Used Spring Boot (API & Security), MySQL, and Thymeleaf.

Web Application 2024

E-commerce Website (Greeny Farm)

E-commerce site (PM & Backend role) with Cart, Order modules. Tech: Spring Boot, JPA, Thymeleaf, and REST API.

Mobile App 2025

Expense Tracker App (SmartFinance)

An Android (Java) app for personal expense tracking. Uses SQLite for local storage and Material Design.

AI / Machine Learning 2025

AI Facial Emotion Recognition

Built an AI model (Python, OpenCV, TensorFlow) to analyze and recognize 7 basic human emotions from a live webcam feed.

Big Data / Web 2025

Customer Behavior Analysis (Big Data)

A project (from Samsung SIC) using Python (Pandas) to analyze large datasets and a web dashboard (Flask) to visualize insights.

Desktop App / Security 2024

RSA & ElGamal Encryption App

Developed a Desktop app (Java, JavaFX) to simulate asymmetric encryption algorithms. Also implemented ElGamal in Python for research.

My Expertise

The primary skills and domains I can contribute to.

Backend Development (Java)

Building business logic, APIs, and system security using Java Spring Boot – my main strength.

AI & Data Analysis (Python)

Building emotion recognition AI models (OpenCV, TensorFlow) and analyzing customer behavior (Big Data, Pandas).

Application Development (Full-stack)

Building complete Web (Spring, Thymeleaf) and Desktop (JavaFX) applications, from UI to database.

Algorithms & Databases

Designing databases (MySQL) and applying algorithms (Data Structures, RSA, ElGamal) to practical applications.

Contact

Ready to discuss internship opportunities or interesting projects. Let's get in touch!

Let's Connect

I'm here to discuss your vision and explore how we can work together.

Email doduytoan2201@gmail.com

Phone 0358 493 974

Location Bac Tu Liem, Hanoi

GitHub github.com/toando22

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