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Mark Angelo Doctolero
Developer • 2024

Welcome, I'm

Mark Angelo
Doctolero

_

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

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About Me

Bachelor of Science in Information Technology graduate from Cagayan State University.

I have a strong foundation in full-stack web development, including frontend technologies, backend development, and database management.

Detail-oriented and passionate about building responsive, user-friendly, and maintainable applications.

I am also skilled in leveraging AI-powered development tools to improve productivity, streamline workflows, and support efficient software development.

9

Projects Built

30+

Tech Skills

Full Stack

Development

Champion

Networking Comp

Technical Skills

Frontend

React.jsNext.jsAngularTypeScriptJavaScript (ES6+)Tailwind CSSHTML5CSS3Responsive Design

Backend & Databases

PHPC#.NETNode.jsPythonRustExpress.jsSupabasePostgreSQLMySQLSQLiteREST APIsAuthentication

Systems & Hardware

PyQt6IoT DevelopmentLinux AdministrationGit/GitHubDockerCloudflareVercel

AI & Productivity

Trae IDECursorProject IDXPrompt EngineeringLLM IntegrationsChatGPTClaudeGitHub Copilot

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
PythonPyQt6SQLiteQt Designer

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
Next.jsSupabaseTailwind CSSTypeScript

Project Registry

Cagayan Valley Anglers Organization

A dedicated community ecosystem featuring automated membership lifecycle management, event scheduling, and member directories for a professional non-profit organization.

Next.jsTypeScriptSupabase+1

Internship Management System

A robust enterprise-level solution for managing internship programs featuring multi-role access control, academic compliance tracking, and automated evaluation workflows.

Next.jsTypeScriptSupabase+2

SubnetTool Pro

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

ReactTypeScriptTailwind CSS+1

Experience & Education

Work Experience

IT Intern

2025 - 2026

First Cagayan Converge Data Center, Inc.

  • Assisted in data center operations and network infrastructure maintenance
  • Managed technical documentation and supported IT ticketing systems
  • Collaborated with the networking team to troubleshoot connectivity issues

Full Stack Developer (Project-Based)

2024 - 2026

Downstream Technologies

  • Developed and maintained the DownStream POS System with inventory and sales management features
  • Built the BambooHub E-Commerce Platform for Tangkiran E-Mart with real-time inventory tracking and secure payment integration
  • Implemented technical solutions and optimized application performance across municipal and retail systems

Projects

2024 - 2026

Academic & Personal

  • E-Attendance System: Developed a mobile and web-based attendance management system with real-time monitoring and reporting
  • Cagayan Valley Anglers Membership Platform: Created a membership management platform for a non-profit community organization
  • Internship Management System: Developed a web-based internship tracking and management system
  • Networking Utilities: Built SubnetTool Pro to improve network administration and productivity

Education

Bachelor of Science in Information Technology and Computing Sciences

2023 - 2026

Cagayan State University – Gonzaga Campus

  • Coursework focused on Web Development, Software Engineering, Networking, Database Systems, and AI Integration

Let's Work Together

I am always open to discussing new projects and professional opportunities in Information Technology and software development. Whether you have a project in mind, a question, or simply want to connect professionally, feel free to reach out.

System Status: Operational

Mark Angelo Doctolero

Systems Engineer specializing in Full-Stack Web, Desktop Apps (Rust/Iced), IoT, and Linux Environments.

Build_Version: 2.0.48_STABLE

Architecture

  • LOC: SANTA TERESITA, CV
  • ENV: NEXT.JS / PNPM
  • KERNEL: LINUX V6.8
  • SEC: ENCRYPTED_SSL

© 2026 ALL_RIGHTS_RESERVED // SYSTEM_USER: MARK_ANGELO

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