Portfolio Page - JR Portfolio

Featured Project

Launched on March 1, 2024 — St. Paul University Manila Information Systems

Featured: March 1, 2024 Source: St. Paul University Manila FB Page

Library Attendance Monitoring System &
Multimedia Keys Monitoring System

Overview:
• Developed two internal systems for the ICT and Library departments using Java Spring Boot, PHP, and SQL, supporting over 1,000 users. Integrated QR-based attendance and asset tracking features, which were acknowledged during PAASCU accreditation.
• Provided post-deployment support including user training, bug resolution, performance optimization, and internal server management to ensure secure, uninterrupted system operations.

1,000+

Active Users

QR-Code Based

Web Automation Systems

Technology Stack

PHP SQL Java (Spring Boot) HTML CSS

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Image Credits: St. Paul University Manila Facebook Page

All Projects

A comprehensive showcase of technical expertise and innovation — featuring both solo and collaborative work.

Featured

SPU Manila Information Systems

Overview:
Developed an internal QR-based system for monitoring library attendance and ICT equipment inventory — streamlining operations and supporting over 1,000 users across the university.

PHP Java SQL

1,000+ Users

Thesis

Oddinary Times: A 2D PC Game

Overview:
An interactive educational platform that teaches emergency preparedness and response through gamification — built using Unity and C# to deliver an engaging learning experience.

Unity C# Game Design

95%+ Survey Satisfaction

Hackathon

INGAT

Overview:
INGAT is a mobile-based solution that reimagines crime awareness and community safety. It delivers real-time crime mapping and safety alerts through a user-friendly smartphone interface.

Flutter Notion Innovation

2 Days Development Time

Collaboration

Payo

Overview:
Developed a university-wide appointment scheduling system for the Guidance and Counseling Office of St. Paul University Manila. The system was tailored to meet institutional requirements and streamline student appointment management.

Flutter Agile Jira

Project — Mobile App & Emerging Tech

Open House

SPU - Manila Snake Game

Overview:
This game was showcased during the university’s Open House event to introduce prospective students to programming through an engaging, SPU-themed twist on the classic Snake game.
Game Developer: John Paolo Rosales

Python Game Development Open House

50+ Students Engaged

Project Activity

FB Sign-Up Test Automation

Overview:
Developed an automated testing suite using Python and Selenium to validate Facebook’s Sign-Up functionality — with special focus on mobile number and password field validations.Ensures robust form behavior through simulated real-world scenarios.

Python Selenium Web Automation

3.7 / 4.0 Final Grade

Image Credits: St. Paul University Manila Facebook Page
All images featured are either sourced from the official pages or personally captured by John Rosales.

Verified Certifications

A curated collection of certifications from 2024 to 2025 earned through IBM, Microsoft, Cisco, and Udemy. These credentials span artificial intelligence, data science, cloud platforms, networking, software design, and programming—demonstrating a strong foundation in full-stack development and systems thinking.

Artificial Intelligence Fundamentals

IBM (2025)
Completed foundational training in Artificial Intelligence, covering key concepts in machine learning, neural networks, and real-world AI applications using Python.

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Python for Data Science

IBM (2025)
Explored essential Python techniques for analyzing and visualizing data using Pandas, NumPy, and Matplotlib. Built a solid base for data-driven decision-making.

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Agile Explorer

IBM (2025)
Learned Agile development principles, Scrum methodology, and iterative delivery practices. Reinforced my ability to collaborate and deliver continuously.

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User Experience Design Fundamentals

IBM (2025)
Gained practical skills in UX design, user-centered development, and usability testing to craft accessible, user-friendly digital experiences.

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Big Data Foundations - Level 1

IBM (2024)
Introduced to the Big Data ecosystem, including Hadoop and Spark. Focused on managing and extracting value from large-scale datasets.

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Networking Basics

Cisco (2024)
Covered fundamentals of networking, including IP addressing, protocols, routing, and switching. Strengthened understanding of digital communication.

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AZ-900: Microsoft Azure Fundamentals

Microsoft (2024)
Built cloud fluency in core Azure services, security, pricing, and deployment models. Prepared to build cloud-native and hybrid applications.

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Intro to Data Structures & Algorithms in Java

Udemy (2024)
Mastered key data structures and algorithmic patterns using Java. Improved problem-solving and coding interview readiness.

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Object-Oriented Programming in Java

Udemy (2024)
Learned the foundations of OOP: encapsulation, inheritance, abstraction, and polymorphism. Applied these in structured Java development.

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UML and Object-Oriented Design

Udemy (2024)
Learned to create UML diagrams like use case, class, and sequence diagrams. Modeled system architecture using OOP principles.

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SQL - Introduction to SQL with MySQL

Udemy (2024)
Gained proficiency in SQL for querying and managing databases. Applied joins, filtering, aggregation, and schema management in MySQL.

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Intro to PHP for Web Development

Udemy (2024)
Learned basic PHP scripting, form handling, and integration with MySQL. Developed dynamic websites with server-side functionality.

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Projects & Certifications

Featured Project