Justin
Allen
Cruz

Justin Allen Cruz looking out a window

Developer

I build exceptional digital experiences through clean code and creative problem solving.

View my work
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About me

Hi, I’m
Justin Allen Cruz.

I’m a developer who enjoys building practical solutions that make an impact. I specialize in web development, automation, and IoT systems. Always learning. Always building.

  • Graduate

    BS Information Technology

  • University

    University of Santo Tomas

  • Batch

    2022 – 2026

  • Location

    Philippines

  • GWA

    1.795

  • Dean’s Lister

    First Year

University of Santo Tomas main building at golden hour
Justin Allen Cruz in graduation gown
Seal of the University of Santo Tomas

University of
Santo Tomas

The Catholic University of the Philippines

Proud Thomasian. My journey at UST has shaped me into a developer with a passion for creating meaningful solutions and a commitment to excellence and service.

My Projects

Things I’ve Built,
Problems I’ve Solved.

A collection of academic, personal, and freelance projects where I applied my skills to create meaningful solutions.

Code is not just how I build, it’s how I bring ideas to life.

Notable Mentions

Taal Volcano and its lake

Taal Tourism Website

Full Stack Developer

A tourism website showcasing attractions, accommodations, and travel guides for Taal.

  • HTML5
  • CSS3
  • JavaScript
  • PHP
  • MySQL
  • Microsoft Azure
AGN Networks CRM dashboard with charts on a dark interface

CRM Dashboard for AGN Networks

Automation Developer / Project Lead

A CRM dashboard for managing clients, sales, inventory, and support operations.

  • JavaScript
  • n8n
  • Google Sheets
  • Claude
  • Chart.js
  • GoHighLevel

Experience

AGN Networks Solutions Inc.
Automation Developer / Project Lead

AGN Networks Solutions Inc.

Developed business automation solutions and internal tools using n8n, integrating APIs, AI services, and third-party platforms to streamline workflows, improve operational efficiency, and reduce manual processes.

Certifications

PhilNITS Information Technology Passport (IP)

Issued by
PhilNITS
Issue Date
October 2025
Credential ID
IP01-0045
Verify

CompTIA IT Fundamentals+ (ITF+) Certification

Issued by
CompTIA
Issue Date
5/22/2023
Credential ID
7a7f1bc6-9cbb-40a4-900b-542f69a4ad3c
Verify

CCNA: Switching, Routing, and Wireless Essentials

Issued by
Cisco Networking Academy
Issue Date
6/3/2024
Credential ID
b65684de-aca5-48c9-a8b3-2b3a54c5e8c5
Verify

CCNA: Enterprise Networking, Security, and Automation

Issued by
Cisco Networking Academy
Issue Date
1/14/2025
Credential ID
154d8a7f-b783-40ae-8999-9a71c896ee60
Verify

Scroll to explore each project

All Projects

EcoGuardian

Forest Fire & Illegal Activity Detection System

EcoGuardian is a smart, low-power IoT system designed to detect forest fires and illegal activities in real-time. Using a combination of environmental sensors, sound classification, and LoRaWAN technology, it delivers early alerts and actionable insights to help protect our forests and communities.

  • Environmental Monitoring
  • Sound Detection
  • LoRaWAN Connectivity
  • Solar Powered & Low Power

How EcoGuardian Works

EcoGuardian sensor node device

Sensor Node

Collects data from environmental & acoustic sensors

LoRaWAN

LoRaWAN

Transmits data over long range with low power

EcoGuardian gateway node

Gateway

Receives and forwards data to the server

EcoGuardian dashboard interface

Dashboard

Displays real-time alerts, data, and analytics

Award Recognition

All Projects

CICS Learning Commons
Reservation System

Smart Seat Reservations. Better Learning Experience.

A web-based reservation system that allows CICS students to reserve seats in the Learning Commons with ease. It helps manage seat availability, reduce overcrowding, and promote a more organized and efficient study environment.

  • Real-time Availability

    View and reserve available seats instantly.

  • Easy Reservations

    Reserve your seat in just a few clicks.

  • Time Management

    Set reservation duration with auto-expiry.

  • Admin Dashboard

    Monitor bookings, manage seats, and generate reports.

CICS Learning Commons Reservation System dashboard on a laptop and phone

My Role

System Architect

I designed the overall system architecture, database schema, and user flow. I ensured scalability, security, and a seamless experience for both students and administrators.

  • System Architecture & Design
  • Database Design
  • API Design
  • UI/UX Flow Planning

Tech Stack

Frontend

  • ReactUI Library

Backend

  • Node.jsRuntime

Database & Services

  • SupabasePostgreSQL & Auth
  • ResendEmail Notifications

Key Features

  • Interactive seat map for easy selection
  • Real-time seat availability updates
  • User authentication and reservation history
  • Automated reservation expiry
  • Admin dashboard with analytics and reports
  • Announcement management
UST College of Information and Computing Sciences seal
All Projects

Stock Smarter — Manage Better

Beyond Beautiful
Stocking App

A cross-platform stocking management system with an admin dashboard that helps Beyond Beautiful track inventory, monitor stock levels, and streamline restocking — ensuring products are always available for customers.

View on GitHub
Beyond Beautiful warehouse admin dashboard on a laptop

My Role

Lead Software Developer

Led the end-to-end development of the stocking app and admin dashboard, including system design, database structure, and feature implementation.

  • Requirements Gathering
  • System Design & Architecture
  • Frontend & Backend Development
  • Database Design
  • Testing & Deployment

Tech Stack

Frontend

  • FlutterCross-platform App
  • ReactAdmin Dashboard

Backend

  • ExpressWeb Framework

Database & Deployment

  • PostgreSQLRelational Database
  • DockerContainerization
  • CloudflareHosting & CDN

Key Features

  • Product and category management
  • Real-time stock level monitoring
  • Stock in and stock out tracking
  • Low stock alerts and notifications
  • Order history and transaction logs
  • Supplier management
  • Analytics dashboard and reporting
  • Secure admin authentication

Contact

Let’s build something.

Have a project in mind, or just want to say hello? My inbox is always open.