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RJ-cyber23/README.md

Hi there! ๐Ÿ‘‹ I'm Rey John B. Marcelo (RJ)

Typing SVG

๐ŸŽ“ BS Information Systems Student | ๐Ÿ’ป Backend Dev | ๐Ÿง Linux Enthusiast Passionate about building software and mastering real-world development principles.


๐Ÿ› ๏ธ Currently Building

๐Ÿ›ก๏ธ Security-Driven Barangay Management System

  • Role-Based Access Control (RBAC): Implementation of granular administrative access levels to ensure data privacy and system integrity.
  • Secure Authentication: Utilizing industry-standard security protocols for hardened user login and session management.
  • Input Sanitization: Programmatic protection against common vulnerabilities like SQL Injection and Cross-Site Scripting (XSS).
  • Database Integrity: Features automated SKU generation through MariaDB triggers and complex views to ensure data consistency.

๐Ÿค– AI Integration & Advanced Data Retrieval

  • Retrieval-Augmented Generation (RAG): Developing a prototype assistant that integrates Groq API with MariaDBโ€™s vector search capabilities.
  • Semantic Search Engine: Moving beyond basic keyword matching by using Sentence Transformers to retrieve information based on contextual meaning.
  • Automated Categorization: Leveraging AI models to analyze and automatically classify incoming community complaints.

๐Ÿง  Tech Stack

Languages & Core:

  • Java: Spring Boot (Backend Logic & Security)
  • Databases: MariaDB & MySQL (Relational Modeling, Vector Search & Optimization)
  • Web: HTML5, CSS3, JavaScript (Vanilla-first approach)

Tools & Environment:

  • OS: Debian Linux (Minimalist, Terminal-driven workflow)
  • DevOps: Docker (Containerization for platform-independent deployment)
  • Security: Vulnerability scanning (Metasploit, OWASP ZAP) & Pentesting basics

๐Ÿ’ป Languages and Tools


"Why use a framework if I havenโ€™t mastered whatโ€™s under the hood?"

๐Ÿ“ฌ Let's Connect:

Pinned Loading

  1. Inventory-System-ERD-Version-2.0 Inventory-System-ERD-Version-2.0 Public

    ๐Ÿ“ฆ Inventory System V2.0 - Enterprise ERD & Schema Welcome to the core architectural blueprint for Inventory System V2.0. This repository contains the high-level logic and database schema for a profโ€ฆ

  2. Sales-Management-System Sales-Management-System Public

    This repo provide a structured database for Micro Businesses that can handle track and control of the products also sales and stock movement , and this project is not yet finish.

  3. community/community community/community Public

    Public feedback discussions for: GitHub Mobile, GitHub Discussions, GitHub Codespaces, GitHub Sponsors, GitHub Issues and more!

    Ruby 8.6k 4k

  4. POS_webapplication POS_webapplication Public

    POS WebApplication Training

    PHP 1

  5. SQL_Invenory_System SQL_Invenory_System Public

    This is for Scalable Inventory Database Design