I'm a full-stack software engineer passionate about building secure, scalable, and user-focused applications. My work spans backend architecture, frontend development, cloud integration, and devops for web-based platforms. I love turning ideas into clean, maintainable code.

A robust internal management system built for Maosix Company Limited, featuring:

• Role-based access control for directors, managers, accountants, and employees
• Secure file uploads with Multer + AWS S3
• OCR with Tesseract.js and PDF parsing for financial document extraction
• Email notifications via Nodemailer
• Sequelize ORM models with a fully relational MySQL database

Stack: Node.js, Express, Sequelize, MySQL, Redis, AWS S3, JWT, Bull, Tesseract.js, ExcelJS, Winston

A modern full-stack project combining:

• React 19 frontend with Bootstrap and React Router
• Stripe & PayPal integration for payments
• RESTful backend using Express

Stack: React, Bootstrap, Stripe, PayPal, Node.js, Express, JWT, MySQL, Sequelize

A music production management platform for vocalists and producers:

• Flask web app with Flask-Login for authentication
• Secure uploading and folder separation by user and file type (tracks, stems, voicenotes, art)
• Watchdog for real-time voicenote folder monitoring
• Project + Component tracking with autosave API
• Distribution tracking with release status updates

Stack: Python, Flask, MySQL, Watchdog, Flask-Login, Jinja2 Templates

A custom backend API for restaurant management, including:

• JWT-based admin authentication
• Secure menu management (add, update, mark specials)
• Schedule and events management
• Instagram photo endpoint for user + tagged media

Stack: Node.js, Express, MySQL2, bcrypt, JWT, REST API

• JavaScript/Node.js
• Python (Flask)
• SQL (MySQL)
• HTML/CSS

• React 19
• React Bootstrap, Bootstrap 5
• React Router, React Icons, PropTypes

• Express.js
• Sequelize ORM
• Flask + Flask-Login
• Django
• RESTful API development

• JWT (JSON Web Tokens)
• bcrypt password hashing
• Helmet, xss-clean, cors

• AWS S3 with Multer/Multer-S3
• PDF & image OCR with Tesseract.js and pdf-parse
• ExcelJS for export features

• Nodemon, Prettier, ESLint
• Winston logger (file + MySQL support)
• Watchdog for filesystem monitoring (Python)

• Jest, Supertest (Node)
• React Testing Library

If you're interested in building with me or just want to chat tech, feel free to reach out!

• GitHub: @tck-cy