Welcome to my world!

Hi, I'm

A Software Engineer, Web Developer, and App Developer.

I'm a passionate developer who enjoys solving problems and building efficient, user-focused solutions.
I strive to write clean, maintainable code and continuously learn new technologies to enhance my skills.

Portrait of Leapheng Seng

My Education Background

My education has helped me develop a strong foundation in programming, databases, software engineering, and web development.

2025 – Present

Bachelor of Science in Computer Science

San José State University, San Jose, California

I am studying computer science with a focus on software development, database systems, programming, and problem-solving.

2022 – 2025

Associate of Science in Computer Science

San Joaquin Delta College, Stockton, California

I completed my associate degree in Computer Science, where I built a foundation in programming, mathematics, and software development.

Completed

High School Diploma

Sovannaphumi School, Cambodia

My early education helped me develop discipline, curiosity, problem-solving skills, and an interest in technology.

My Skills

Programming

Languages I use to build applications, websites, and practical software solutions.

  • Java
  • Python
  • C++
  • JavaScript
  • TypeScript
  • HTML
  • CSS
  • SQL

Frameworks & Technologies

Frameworks and platforms I use across full-stack, desktop, Android, and web development.

  • React
  • Spring Boot
  • Node.js
  • JavaFX
  • AndroidX
  • Room
  • MySQL
  • REST API
  • Bootstrap

Tools

Development tools and collaboration platforms I use to build, test, document, and manage projects.

  • Git
  • GitHub
  • Android Studio
  • VS Code
  • Maven
  • Jupyter Notebook
  • Expo

Core

Practical strengths I bring to software development and technical problem-solving.

  • Troubleshooting
  • Debugging
  • Data Management
  • OOP
  • Technical Documentation

Languages

Languages I speak and use to communicate with people from different backgrounds.

  • English
  • Khmer

My Projects

August 2026 Full Stack

NutriFlow

Full Stack Nutrition Web Application

A React-based nutrition-tracking web application where I built the entire frontend, including meal management, goals, history, dashboard, profile, and account settings.

  • Designed and developed the entire frontend experience.
  • Built REST API endpoints with Spring Boot.
  • Debugged frontend and backend integration.
  • Supported database integration.
  • React
  • TypeScript
  • Java
  • Spring Boot
  • REST API
  • CSS
March – May 2026 Android

ET Wallet

Android Expense Tracking Application

An Android expense-tracking app with expense management, recurring transactions, budgets, category tracking, search, filtering, sorting, and monthly summaries.

Download ET Wallet
  • Implemented Room database and DAO patterns.
  • Added SharedPreferences persistence and CSV export.
  • Built charts, budget alerts, localization, and dark mode.
  • Java
  • Android XML
  • Room
  • Android Studio
  • AndroidX
  • Material Components
March – May 2026 Desktop

BACC Portal

Academic Management Desktop Application

A role-based academic portal for students, faculty, and administrators with authentication, dashboards, course registration, payments, records, and student management.

View on GitHub
  • Implemented controllers, storage and file handlers.
  • Built admin workflows and service logic.
  • Supported registration, payment, and academic persistence.
  • Java 17
  • JavaFX 21
  • Maven
  • MVC
  • JUnit