Web Application Developer

I specialize in building modern web applications, management systems, and productivity tools using Laravel, PHP, MySQL, React, and JavaScript.

I also have experience in Kotlin mobile development, VB.NET desktop applications, third-party API integrations, chatbot integrations, authentication systems, website SEO setup, and real-time communication technologies.

My goal is to develop practical, user-friendly, and maintainable solutions that help individuals, schools, and businesses improve their workflows.

• Use Supabase as a managed backend for database operations, authentication, and application data.
• Work with PostgreSQL and MySQL databases for web applications.
• Use SQLite for local, offline database operations in mobile and desktop applications.
• Implement local database persistence using Room and SQLite in Android applications.
• Integrate Supabase with React applications using @supabase/supabase-js.
• Configure authentication flows and database access policies.
• Documentation:
  • Supabase: https://supabase.com/docs
  • MySQL: https://dev.mysql.com/doc/
  • SQLite: https://www.sqlite.org/docs.html
  • Android Room: https://developer.android.com/training/data-storage/room

• Implement email-and-password authentication.
• Integrate Google and GitHub sign-in using OAuth-based authentication flows.
• Configure OAuth applications, callback URLs, and provider credentials.
• Manage user sessions and authentication states.
• Apply appropriate access controls and database security policies.
• Documentation:
  • Google Identity: https://developers.google.com/identity
  • GitHub OAuth: https://docs.github.com/en/apps/oauth-apps
  • Supabase Auth: https://supabase.com/docs/guides/auth

• Integrate Google reCAPTCHA into supported web forms to help prevent automated submissions.
• Add bot protection to registration, login, and contact forms.
• Configure site keys and secret keys.
• Validate reCAPTCHA tokens on the server when required by the selected version.
• Documentation: https://developers.google.com/recaptcha/docs

• Configure SEO metadata, including page titles and meta descriptions.
• Set up website ownership verification in Google Search Console.
• Submit XML sitemaps to help search engines discover website pages.
• Monitor indexing status and search performance.
• Apply SEO fundamentals to improve website discoverability.
• Documentation: https://search.google.com/search-console/about

• Use Google Apps Script to automate supported Google Workspace workflows.
• Create scripts for Google Forms and Google Sheets integrations.
• Process form submissions and organize collected data.
• Automate repetitive tasks using event-driven triggers where appropriate.
• Integrate supported Google services using Apps Script APIs.
• Documentation: https://developers.google.com/apps-script

• Integrate chatbot widgets from external platforms into websites.
• Embed supported chatbot scripts and widgets into website interfaces.
• Connect applications to chatbot services through APIs where supported.
• Configure webhooks and server-side endpoints when required.
• Customize chatbot placement and appearance to fit website layouts.
• Test chatbot functionality across supported devices and screen sizes.

• Connect web applications with external services through REST APIs.
• Work with HTTP requests, API responses, authentication credentials, and error handling.
• Integrate third-party platforms according to their API documentation.
• Store secret API credentials securely on the server instead of exposing them in frontend code.

• Integrate PayPal as an online payment option where required.
• Work with the PayPal JavaScript SDK and REST API.
• Implement order creation and payment capture through appropriate server-side endpoints.
• Verify payment status and webhook signatures before updating transaction records.
• Documentation: https://developer.paypal.com

• Visual Studio Code: Code editing, debugging, and project development.
• XAMPP: Local PHP, Apache, and MySQL development.
• Git & GitHub: Version control, source code management, and collaboration.
• npm: JavaScript package management and frontend build workflows.
• Vercel: Deployment and hosting for supported web applications.
• Chrome DevTools: Inspect network requests, debug errors, and analyze website performance.
• Android Studio: Native Android application development using Kotlin and Jetpack Compose.

• Explore WebRTC for real-time peer-to-peer audio, video, and data communication.
• Apply real-time communication technologies to browser-based chat and video calling applications.
• Understand the role of STUN servers in helping establish peer-to-peer connections.
• Documentation: https://webrtc.org/

A web-based quiz platform designed for interactive two-player quiz battles.

• Technologies: React, JavaScript, Vite, Tailwind CSS, Supabase
• Features: Quiz management, public quiz sharing, authentication, and two-player quiz battles.
• Live Demo: https://dunongclash.vercel.app/
• Repository: https://github.com/rootasuser/DunongClash

A web-based dating and matching platform where users can discover potential matches, chat, and start video calls.

• Technologies: React, JavaScript, Vite, and web-based real-time communication technologies
• Features: User matching, online chat, and video calling.
• Live Demo: https://imengle.vercel.app/

A simple native Android inventory and Point of Sale (POS) application designed to support basic inventory management and sales operations.

• Technologies: Kotlin, Jetpack Compose, Room, SQLite
• Platform: Android
• Focus: Basic product inventory management, local database storage, and POS functionality.
• Key Feature: Designed for local, offline data storage using SQLite and Room.

A separate simple mobile inventory and Point of Sale (POS) application with a different set of features from Kasalig.

• Technologies: Kotlin, Android
• Platform: Android
• Focus: Inventory tracking and point-of-sale operations.
• Note: InvPOS and Kasalig are separate projects with different feature sets.

A web-based document tracking and management system designed to make document workflows more organized and efficient.

• Technologies: Laravel 13, PHP, MySQL, Blade, JavaScript
• Focus: Document tracking, workflow management, and system performance optimization.
• Repository: https://github.com/rootasuser/paperless-dts

A web application for organizing tasks and managing work progress through a structured workflow.

• Technologies: Laravel 13, PHP, MySQL, Blade, JavaScript
• Focus: Task organization, management, and productivity.
• Repository: https://github.com/rootasuser/task-management-system

• 2025–2026 — ICT Contract of Service, DepEd Bayawan City
• 2024–2025 — On-the-Job Training, DepEd Bayawan City
• 2017–2022 — Computer Attendant, Lynx World Internet Café
• College–Present — Freelance Programmer, Independent Projects

• 2-Day An Educators Forum: Reaching New Heights in Robotics and Technology
• CyberSecurity for Micro, Small and Medium Enterprises (MSMEs)

I'm open to freelance opportunities, web development projects, collaborations, and ideas that help solve real-world problems through technology.

• Email: windelnavales23@gmail.com
• GitHub: https://github.com/rootasuser
• LinkedIn: https://www.linkedin.com/in/windel-navales/
• Portfolio: https://windelnavales.vercel.app/

© 2026 Windel Navales. All rights reserved.