Hi, I’m Justin Marcus "JM" Andrada
Full Stack Developer | Web & Mobile Systems | Scalable Systems & Automation
"If you’ve seen it, I can do it."
HTML5
CSS3
Tailwind
JavaScript
TypeScript
React
React Native
Next.js
PHP
WordPress
Ruby
Ruby on Rails
Python
Django
Flask
Supabase
Docker
SQLite
PostgreSQL
MySQL
Firebase
GitHub
Nginx
CircleCI
Jenkins
AWS
Digital Ocean
Vercel
Heroku
Cloudflare
Azure
Jira
Twilio
Figma
MCP Server
Claude
ChatGPT
Mistral
RAG
PostHog
About Me
I build full-stack systems that solve real business problems. You share the challenges, and I deliver custom workflows andscalable platforms tailored to your needs, includingAI integrations for smarter automation and decision support. From streamlining operations toimproving user experience, my goal is to make technology drive results for your business.
My Workflow
Design
Business Flow
Development
Testing
Deployment
Documentation
Training (Optional)
Production Ready Systems
Pusoy Dos Online
An online version of Pusoy Dos, a card game I really love and wanted to bring to the web in a smooth and accessible way. Features include real-time gameplay, room creation and joining with codes, player reconnection, turn-based flow, built-in rules pages, and a clean game experience designed to make it easy for friends and other players to jump in and play from anywhere.
TyreMag Management System
A tire trading management system built to keep daily operations fast, organized, and easy to monitor. Features include branch-based inventory tracking, supplier management, stock purchases, customer order processing, daily transmittals, finance overviews, and detailed reports for sales, movement, and overall business performance, helping staff and management handle operations in one central system.
UB ACCESS
An university system for managing users, offices, documents, and planning. Streamlines workflows with hierarchical user management, automated approvals with QR Signatures, progress tracking, accomplishments, document handling, and notifications for seamless communication. Includes an AI Chat with university knowledge base integration for report generation and data analysis.
Lola Lucing's Resto Management System
A restaurant management system with integrated POS using order slips (no official receipts). Features include landing page, branch and department management, sales tracking, dynamic discounts, inventory and ingredient integration, staff and owner roles, cash counter with end of day remittance and comprehensive sales reports by time, department, and product.
Quadro Alas Review Center
A dynamic review application for Criminology students in the Philippines. Features include landing page, targeted announcements for memberships, membership-based roles, a custom streaming platform for video lectures, integrated notes view, dynamic exams by category with custom and image-based questions, question importing, individual user performance tracker, exam ranking by first attempts and overall and a dynamic hall of top notchers for motivation and engagement.
Professional Review Buddy
A dynamic review application for students taking the LET examinations in the Philippines. Features include landing page, exam creation with question import and multiple exam types, announcements, user management with dynamic membership pricing and descriptions, notes, referral system with invitation links for commissions, bulk question imports, daily challenges, exam streaking for mastery with performance tracking and Payment integration.
UBCLNDNT
A system application designed for managing student data, scoring, and grading for fast and efficient record keeping. Features include clinician and instructor announcements, dynamic creation of procedures, user-friendly creation of forms with dynamic scoring and grading, multiple views for clinicians, instructors, chiefs, and admins, automatic score computation, real-time clinician view of scores, statuses, and instructors, whitelisting of clinics for instructors and students, overall grade generation, logging of scores, real-time scores and grading with notes for additional information, and penalty tracking for students.
HBS Service
A full stack e-commerce and stock management platform designed for fast and efficient product management and customer interaction. Features include a dynamic landing page reflecting products based on inventory input, a functional employee portal for adding, editing, and managing products, sales, and inventory, integrated email mailer for customer inquiries on product details and pricing, responsive design for smooth interaction across all devices, analytics for sales tracking, secure login and role-based access for employees, migration from PHP to a modern React framework, and a fully deployed website ensuring reliable performance and scalability.
Want a Comprehensive Demo?
If you’d like a detailed walkthrough of these systems or want to explore how I can build a custom solution for your business, feel free to reach out. I’d be happy to schedule a demo and discuss how these workflows can fit your needs. There are also several unreleased systems available for demo, including e-commerce platforms, booking systems, attendance trackers, PDF appender/watermarker tools, several web-connected mobile applications, job platforms, and messaging applications.