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Jhon Glenn L. Fabul

Backend & ML-focused developer

Computer Science student

Backend (FastAPI/Python)
ML & Computer Vision
React Native & Next.js
Supabase/PostgreSQL

Tech Stack & Experience

Technologies

React Native
React Native
Next.js
Next.js
Tailwind CSS
Tailwind CSS
PostgreSQL
PostgreSQL
Python
Python
PyTorch
PyTorch
FastAPI
FastAPI
Pandas
Pandas

Experience

Project Manager & QA Intern

Feb 2025 – May 2025

GolfOnline.ph

Ingenuity Software

Sprint planning & backlog management
User stories & feature documentation
Client communication & QA testing
Next.js & Django Admin workflows
Agile
Project Management
QA Testing
Ticketing System

Project Manager

Feb 2025 - Present

AdTO

Samahan Systems Development

Project planning & timeline management
Team coordination & task delegation
Database & workflow structure oversight
Product Design
Software Development Life Cycle
Project Management
Workflow Coordination

Featured Projects

Lylas Cakes POS / Inventory Management App

Lead Developer

Lead developer for React Native + Supabase app with batch-level inventory, FIFO expiry logic, and REST endpoints; cut stock tracking errors by ~80% for pop-up operations.

React Native
Supabase PostgreSQL

CNN Transfer Learning – Facial Expression Classification

Developer

Implemented PyTorch ResNet50 transfer learning pipeline with data preprocessing/augmentation and evaluation for facial expression classification.

PyTorch
ResNet50
Transfer Learning

GolfOnline.ph Internship (Ingenuity Software)

Project Manager & QA Intern

Project Manager & QA Intern: sprint planning, backlog/user stories, client updates, and QA testing for Next.js + Supabase web app workflows.

Django Admin
Huly.io
Browser DevTool

Thesis – SUMO Traffic Simulation + DDDQN Agent

Researcher & Developer

Built SUMO traffic signal simulation and trained DDDQN agents; analyzed traffic metrics to evaluate control policies.

Python
Reinforcement Learning
SUMO

Event Management App – AdTO (Samahan Sys Dev)

Project Manager

Project Manager (Next.js + Supabase): coordinated tasks/timelines, documentation, and centralized scheduling/attendance for students of Ateneo de Davao University.

Next.js
Supabase

Calendar App (Side Project – In Progress)

In Progress
Lead Developer

In Progress — Lead developer for FastAPI + Supabase backend with CRUD for personal/work events, validation, and conflict handling.

Python
FastAPI
Supabase PostgreSQL