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.


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.
Projects Built
Tech Skills
Development
Networking Comp
Technical Skills
Frontend
Backend & Databases
DevOps & Tools
AI & Productivity
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
IT Intern
2025 - 2026First 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 - 2026Downstream 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 - 2026Academic & 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 - 2026Cagayan 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.