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Mark Angelo Doctolero
Digital Architect • 2024

Welcome, I'm

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BS Information Technology & Computing Sciences graduate. Passionate about building scalable web applications and solving real-world problems through clean, efficient code.

💻

Architect • Developer • Visionary

About Me

Information Technology professional specializing in full-stack architecture and digital innovation.

I'm a Bachelor of Science in Information Technology and Computing Sciences graduate from Cagayan State University. I specialize in full-stack web development with expertise in modern frontend frameworks combined with robust backend architecture.

My technical foundation spans React.js, Next.js, and TypeScript, alongside Node.js, PostgreSQL, MySQL, and Supabase. I have hands-on experience building scalable e-commerce platforms, attendance management systems, and enterprise utility tools. proficient in Docker, Linux server management, and Cloudflare optimization.

I'm detail-oriented, problem-focused, and committed to writing clean, maintainable code. I excel at leveraging AI tools and modern technologies to enhance development efficiency and solve complex problems.

12

Projects Built

8+

Tech Skills

Full Stack

Development

Champion

Networking Comp

Technical Skills

Frontend Development

React.jsNext.jsTypeScriptTailwind CSSHTML5CSS3JavaScript (ES6+)Responsive Design

Backend & Databases

Node.jsExpress.jsPostgreSQLMySQLSupabaseREST APIsAuthenticationDatabase Design

Tools & Technologies

Git & GitHubVS CodeAI (LLMs & Generative AI)Prompt EngineeringVercelNPM / YarnDockerLinux (Debian/Ubuntu)CloudflareWeb Performance

Featured Showcase

High-impact digital solutions engineered with precision and modern architectural patterns.

Curated Systems

DownStream POS System

A comprehensive Point of Sale system for retail management including inventory, sales tracking, customer management, and financial reporting.

Feature Protocol:

  • Real-time inventory management
  • Sales tracking and analytics
  • Customer profiles and history
  • Financial report generation

BambooHub E-Commerce Platform

A professional e-commerce application for Tangkiran E-Mart with real-time product catalog, secure checkout, and Supabase backend.

Feature Protocol:

  • Real-time inventory sync
  • Secure customer checkout
  • Dynamic admin dashboard
  • Responsive shop experience

Project Registry

E-Attendance System

A complete digital attendance solution with mobile app for employees and web-based admin dashboard for attendance tracking, reporting, and analytics.

Cagayan Valley Anglers Organization

A non-profit membership and community platform for the Cagayan Valley Anglers, featuring event scheduling and member directories.

Internship Management System

A comprehensive platform for managing internship programs with student applications, mentor assignment, progress tracking, and evaluation workflows.

SubnetTool Pro

A networking utility tool for subnet calculation, IP address planning, and CIDR notation conversion with an intuitive interface and detailed visualization.

BulkQR Generator

A powerful tool for generating bulk QR codes with customization options, batch processing, and various export formats for businesses and organizations.

Converge Online TV

A streaming platform for video content with user authentication, video library management, and seamless playback experience across devices.

3DS2 Movie Hub

A movie database and review platform featuring movie information, user ratings, reviews, and recommendations with a sleek user interface.

Experience & Education

Work Experience

Full Stack Developer

2024 - Present

Downstream Technologies

  • Developed and maintain the DownStream POS System, a comprehensive retail management solution with inventory and sales tracking
  • Lead developer for the BambooHub E-Commerce Platform for Tangkiran E-Mart, providing real-time inventory and secure payments
  • Implementing technical solutions and optimizing system performance across various municipal and retail applications
  • Leveraging a modern stack to deliver high-impact digital solutions for diverse organizations

Full Stack Developer

2023 - Present

Academic & Personal Projects

  • Developed various comprehensive systems and applications during academic tenure at Cagayan State University
  • Built comprehensive E-Attendance System featuring mobile app and web-based admin dashboard for real-time tracking
  • Created a non-profit membership platform for the Cagayan Valley Anglers Organization community
  • Developed Internship Management System and various networking utilities like SubnetTool Pro and BulkQR Generator
  • Implemented multiple projects including Converge Online TV streaming platform and 3DS2 Movie Hub

Education & Honors

Bachelor of Science in Information Technology & Computing Sciences

2023 - 2026

Cagayan State University - Gonzaga Campus

  • Currently pursuing degree in IT & Computing Sciences
  • Champion in Networking Competition at IT UNIWIDE APARRI Campus
  • Strong foundation in web development, software engineering, and database design

Get In Touch

Have a project in mind or want to collaborate? I'd love to hear from you. Feel free to reach out through any of these channels.

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Build the future

Currently accepting high-impact collaborations and enterprise-scale challenges.

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