Available for opportunities

Software developer building useful products.

I'm Dexter, a Computer Science graduate from Agusan del Sur. I'm strongest in Python and I build web applications, Android products, school systems, and small hardware projects.

View projects ↓ dexterjamesdegayo07@gmail.com

Selected work

Projects built around real problems.

ClassPulse

Solo developer · Web + Android

Google Play ↗

A school-management and parent-engagement platform for attendance, grades, learner records, assessments, communication, reports, and notifications.

20,000 learners tested100 simultaneous submissions3 scheduled pilot schools

Contribution and technical details

I handled planning, UX, web, mobile, backend, database security, testing, and deployment.

Implemented multi-school data isolation, offline attendance synchronization, role permissions, parent access, analytics, monitoring, and background processing.

Stack: React, TypeScript, React Native, Expo, Supabase, PostgreSQL, Tailwind CSS, Cloudflare Pages, Sentry, and Vitest.

Pilots are scheduled at Loreto National High School, Bayugan 3 National High School, and Magau National High School.

Dayo

Co-developer · Android

Google Play ↗

A sports platform that helps players find opponents, organize local matches, and book courts.

Opponent discoveryCourt bookingRanked matchmaking planned

Product direction

The planned ranked system will gamify competition and track player progress from municipal to provincial level.

Dayo Court

Android companion app for court schedules, availability, and customer bookings.

Google Play ↗

SchoolIMS

Inventory and supply-management system built for Waloe Elementary School.

schoolims.site ↗

What I can do

Tools I use to take projects from idea to release.

Programming

Python, JavaScript, HTML, CSS

Web and mobile

React, TypeScript, React Native, Expo, Tailwind CSS, Vite

Backend and data

Supabase, PostgreSQL, Authentication, Row-Level Security, Edge Functions

Testing and delivery

Git, GitHub, Vitest, Sentry, Cloudflare Pages

Python is my strongest language. I use an AI-assisted workflow for parts of my React development while remaining responsible for reviewing, testing, and delivering the result.