// hello, world

Jay
Cabasag

Fullstack Developer

Software Developer with experience in building web and mobile applications across frontend and backend technologies. Skilled in developing user interfaces, implementing application features, and building APIs to support scalable systems. Experienced in optimizing performance, maintaining code quality, and collaborating within team environments. Comfortable working across different technologies and continuously learning to improve development skills.

View Work Get in Touch

📍 New Lower Bicutan, Taguig City, Philippines

// 02. skills

Technical Stack

Languages

C#JavaScriptTypeScript

Frontend

HTML5CSS3ReactNext.jsTailwind CSS

Backend

ASP.NET Core (MVC & Web API)Node.jsExpress.js

Databases

SQL Server (SSMS)MySQLPostgreSQL

Tools

GitGitHubIISREST APIsPostmanSwaggerNPMPNPMYarn

ChatGPTClaudeGemini

// 03. experience

Work History

Fullstack Developer

Alpha Gaming Arcade

September 2023 – PresentCURRENT

→Developed scalable .NET Core Web APIs for web and mobile platforms.
→Built 2D slot games using PixiJS, prioritizing performance and animation.
→Delivered full-stack solutions with ASP.NET Core MVC.
→Created and maintained React Native mobile applications.
→Streamlined team workflows and task tracking using Jira.

.NET CorePixiJSASP.NET MVCReact NativeJira

React Engineer

Metromart Philippines Inc.

September 2022 – September 2023

→Assisted in migrating a customer-facing web application from Next.js 12 to Next.js 13, adopting updated routing and architectural patterns.
→Built and enhanced frontend features to meet evolving product requirements.
→Improved application performance by optimizing component rendering and global state handling.
→Contributed to the development of an admin dashboard for order management and delivery tracking.
→Worked closely with a cross-functional team to deliver stable and scalable web solutions.

Next.jsReactTypeScriptPerformanceDashboard

// 04. projects

Showcase

🎰

ALPHA GAMING ARCADE

2D Slot Game Engine

High-performance 2D slot games built with PixiJS featuring smooth animations, custom game logic, and real-time state management for mobile and web platforms.

PixiJSJavaScriptWebGLAnimation

⚙️

ALPHA GAMING ARCADE

Scalable .NET Web APIs

Architected and developed RESTful APIs with ASP.NET Core, serving both web and mobile clients with proper authentication, caching, and scalable architecture patterns.

.NET CoreREST APIC#SQL Server

📱

ALPHA GAMING ARCADE

React Native Mobile App

Built and maintained cross-platform mobile applications using React Native, delivering native-quality experiences on iOS and Android.

React NativeTypeScriptMobileiOSAndroid

🛒

METROMART PHILIPPINES INC.

E-Commerce Platform Migration

Led the technical migration of Metromart's customer-facing web app from Next.js 12 to 13, adopting the App Router with improved performance and architecture.

Next.js 13App RouterReactMigration

📊

METROMART PHILIPPINES INC.

Order Management Dashboard

Contributed to building an internal admin dashboard for order management and delivery tracking, streamlining operations for the Metromart operations team.

ReactDashboardTypeScriptState Management

// 05. education