Developer Portfolio

Denver M. Ballesteros

Computer Science student building practical Android, web, cloud, IoT, and AI-assisted systems for local businesses and public-sector workflows.

Toolkit

Skills

Development

  1. Android Application Development using Kotlin Compose
  2. Laravel Web Development
  3. NextJS Web Development

Cloud & Tools

  1. AWS
  2. Docker
  3. Git
  4. Google Cloud

Automation & IoT

  1. AI Automation and Integrations
  2. Arduino
  3. ESP32
  4. Raspberry Pi

Design & Fabrication

  1. 3D Modeling
  2. 3D Printing
  3. Microsoft Office 365

Projects

IoT Electricity Management System

Electricity monitoring and management system using IoT hardware, data collection, and dashboard-ready software workflows.

CSC Form6 Management System

Digital leave application workflow prepared for DepED Schools Division San Jose with structured Form 6 processing.

Scholarship Management System

Scholarship management platform prepared for City Hall of San Jose to help organize applications and records.

POS and Inventory Systems

Point-of-sale apps for Manong Jaks Burger and Delros Motorparts, plus inventory management with AI integration.

Background

Education

2022 - Present

STI College San Jose

Bachelor of Science in Computer Science

2020 - 2022

STI College San Jose

Mobile App & Web Development (MAWD)

Experience

Work

2026

ICT Department Intern

DepED Schools Division San Jose

2023 - 2025

Freelance Developer

NuevaTech

  • Built POS mobile applications for Manong Jaks Burger and Delros Motorparts.
  • Developed an inventory management system with AI integration for Delros Motorparts.

Awards

Competitions

2026

Codefest Cluster 6 1st Runner Up

STI College Malolos Bulacan Tagisan Ng Talino 2026

2025

Codefest Cluster 5 2nd Runner Up

STI College Balagtas Bulacan Tagisan Ng Talino 2025

2024

Codefest Cluster 5 2nd Runner Up

STI College Balagtas Bulacan Tagisan Ng Talino 2024

2023

Codefest Cluster 5 Participant

STI College Balagtas Bulacan Tagisan Ng Talino 2023

2023 - 2026

Codefest Local Champion

STI College San Jose Tagisan Ng Talino

2022

MAWD Programmer of the Year

STI College San Jose Senior Highschool ICT

Contact

Contact me here.