Mark Joshua Kylee P. Sta. Rosa

Full Stack Developer • System Builder • Interactive Designer

Building intelligent interfaces and scalable web systems. A developer focused on creating functional, user-friendly, and visually engaging applications.

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Featured Projects

A selection of my best work in systems, web applications, and interactive tools.

PromOPS

Proctor & Operations Management System for efficient team coordination.

System Design Management Web App

ICCT Drug Testing

Streamlined online queuing system for safer and faster medical processes.

Queuing Logic Database UX/UI

TEAM JOSHUA

Secure agent management system for tracking activity and collaboration.

Security Agent Tracking Dashboard

CCS AI WEEK 2026

Official event platform for registration, scheduling, and innovation updates.

Event Tech Registration Design

Utilix TaskMaster

All-in-one productivity assistant for task management and organization.

Productivity Local Storage JS Logic

Utilix Weather App

Real-time forecast updates with detailed radar maps and alerts.

API Integration Geolocation Data Viz

Utilix AI

Smart tools that automate tasks and deliver actionable insights.

Artificial Intelligence Automation Modern UI

Excevera

Innovative digital platform delivering excellence in web solutions.

Web Solutions Creative Design Platform

Report Topic Picker

Interactive portal for students to select and lock reporting topics.

Database Interactive Logic

CHIRP

Community platform for cyber enthusiasts to share security tips.

Cybersecurity Community Web App

Utilix Games

Curated collection of engaging web-based games.

Game Dev Entertainment Interactive

Utilix Learn Coding

Interactive coding lessons and challenges for beginners.

Education Interactive Tutorials

Utilix Cinema

Streaming destination for movies and TV shows.

Streaming Media UI Design

Utilix Anime

Anime streaming platform with vast collection.

Streaming Anime Media

Utilix Map App

Interactive maps with live traffic updates and directions.

Geolocation Maps API Navigation

Vemberlyn Portfolio

Personal portfolio showcasing creative projects.

Portfolio Design Personal

Chriselle Portfolio

Showcase of development skills and aspirations.

Portfolio Web Dev Personal

Roland Portfolio

Professional milestones and development projects.

Portfolio Projects Personal

Thomie Portfolio

Creative works and technical skills showcase.

Portfolio Creative Personal

SelectIT

Character selection platform for interactive experiences.

Interactive User Selection Web App

Developer Journey

My evolution from a learner to a system builder

🌱 Early Stage — Learning the Core

2021 – 2022

My journey in software development started with curiosity about how systems and applications work. I began exploring programming fundamentals, experimenting with simple scripts, and understanding basic logic, structure, and debugging.

Programming logic Basic software structure Debugging and testing mindset

This phase shaped my analytical thinking and problem-solving approach.

🔍 Exploration Stage — Discovering Development Paths

2023

As I progressed, I explored different areas of technology including web development, system design, and interactive programming. I started building structured projects and learned how real applications are organized.

Web development fundamentals Logical thinking System-based programming

This stage helped me transition from learner to builder.

💻 Growth Stage — Building Real Systems

2024

In this phase, I began working on more meaningful and functional projects. My focus shifted toward writing structured code and building complete applications.

Web applications Code structure Logic-driven programming Complex projects

This year became the technical foundation for my major development growth.

🔥 Breakthrough Stage — High Development Activity

2025

This was my most productive and transformative year, reflected by strong GitHub contribution activity and numerous repositories.

  • Built multiple system-based and application projects
  • Worked on Student Data Management System
  • Developed TaskMaster App, Weather App, and productivity tools
  • Created ProBOT — Python Virtual Assistant
  • Built interactive and logic-driven applications

During this phase, I evolved into a full project builder capable of designing and implementing complete systems.

🎮 Advanced Builder Stage — Developer Identity

2026 – Present

Currently, I am focused on more advanced, creative, and system-level development.

Active work includes:

  • Developing a side-scrolling interactive web project (Construct 3)
  • Large world system (16000x1080) with custom camera and scrolling logic
  • Building interactive applications and system tools
  • Designing complete software solutions from concept to implementation
Software Developer | System Builder | Web Developer | Game Developer

Technical Skills

My technical toolkit and areas of expertise

Frontend

HTML & CSS 95%
JavaScript 90%
React/Frameworks 85%
UI Logic & Animation 92%

Development

Python 88%
System Design 85%
Data Structures 80%
APIs & Backend 82%

Tools

  • Git & GitHub
  • VS Code
  • Construct 3
  • Figma
  • DevTools
  • Networking

About Me

Developer Profile & Background

Mark Joshua

Mark Joshua Kylee P. Sta. Rosa

Full Stack Developer & System Builder

I am a passionate developer dedicated to building efficient, scalable, and user-centric applications. With a strong foundation in both frontend interfaces and backend system logic, I create solutions that solve real-world problems. My journey involves continuous learning and applying modern technologies to craft seamless digital experiences.

50+ Projects
3+ Years Exp
500+ Followers

GitHub Contributions

XZCUTE's Github chart

Let's Collaborate

Ready to build something amazing? I'm open for projects and opportunities.

Email Me

markstarosa838@gmail.com

GitHub

Check out my code

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