Felix Macaspac
Frontend Developer @ Hububble
I'm a frontend developer with 5 years of experience, specializing in HubSpot CMS development — creating custom themes, templates, modules, and UI extensions.
In my free time, I try my best to create fun and useful web applications that I actually use along with a small number of other users.
latest experience
Fullstack Developer
May 2021 — PresentHububble
Contributed to company growth from gold to diamond tier by developing custom HubSpot CMS themes and UI Extensions (React/TypeScript). Worked with custom HubSpot API integrations for different use-cases for different clients. Integrated HubSpot API solutions, serverless functions and internal tools that increased overall efficiency of the company.
v0 Ambassador
August 2025 — Presentv0 by Vercel
Prompt engineered frontend components and landing pages with 1000+ users currently forking and utilizing the creations.
Frontend Developer
December 2022 — July 2025Independent Contractor
Delivered specialized HubSpot CMS and frontend development solutions for international clients. Successfully migrated legacy themes to modern architecture with performance improvements.
selected projects
Bentodoro
Bento-style Pomodoro timer with reverse feature for productivity. Minimalist design with customizable study/break intervals. As of this writing, it has over 200+ MAU.
Agency Website (Demo)
Modern agency website built with HubSpot CMS, featuring custom themes, templates, and blog posts/listings functionality.
PredictQuake
Web-based earthquake classification system using Random Forest machine learning model to classify earthquakes based on Richter Magnitude Scale. Won the best research award in a university competition. (2024)
Talasan
Talasan is a collaborative learning platform where students can create, share, and discover study materials. It features AI-powered personalization, content analysis, and interactive study tools to help students become more productive and organized in their studies. This project is presented for ISEAC Hackathon 2024, won 3rd place.
GWA Calculator
Simple web application for NU students to calculate their General Weighted Average (GWA). Around 12,000+ visitors every midterm and finals season.
Language Sloth
Created for discord community, Language Sloth is a web application that helps users find classes and events to practice and learn new languages. It features a user-friendly interface, search functionality, and event listings.
activities & achievements
HubSpot Community Champion
HubSpot
Actively assist developers in the HubSpot community forums by providing technical solutions and best practices.
Open Source Contributor
Open Source Software Philippines
Active contributor sharing knowledge and collaborating with the developer community in the Philippines.
Frontend Competition - Champion
12th IT Skills Olympics
First place winner showcasing modern design principles and technical execution.
ISEAC Hackathon - 3rd Place
ISEAC
Developed a solution related to improving productivity of students called Talasan. Won 3rd place.
Hack4AProgress Hackathon Finalist
DOST Region 4A
Developed an innovative solution specifically for traffic management called iTicket. Reached Top 8 finalists.
HubSpot CMS for Developers
HubSpot Academy
Certified in HubSpot CMS development and custom module creation.
HubSpot CMS for Developers II
HubSpot Academy
Advanced certification in HubSpot CMS development.
HubSpot Architecture I: Data Models and APIs
HubSpot Academy
Certified in HubSpot architecture, data models, and API integrations.
IT Specialist - Databases
Certiport
Certified in IT specialization with a focus on database management.
IT Specialist - Software Development
Certiport
Certified in IT specialization with a focus on software development.
HubSpot Community Champion
HubSpot
Actively assist developers in the HubSpot community forums by providing technical solutions and best practices.
Open Source Contributor
Open Source Software Philippines
Active contributor sharing knowledge and collaborating with the developer community in the Philippines.
Frontend Competition - Champion
12th IT Skills Olympics
First place winner showcasing modern design principles and technical execution.
ISEAC Hackathon - 3rd Place
ISEAC
Developed a solution related to improving productivity of students called Talasan. Won 3rd place.
Hack4AProgress Hackathon Finalist
DOST Region 4A
Developed an innovative solution specifically for traffic management called iTicket. Reached Top 8 finalists.
HubSpot CMS for Developers
HubSpot Academy
Certified in HubSpot CMS development and custom module creation.
HubSpot CMS for Developers II
HubSpot Academy
Advanced certification in HubSpot CMS development.
HubSpot Architecture I: Data Models and APIs
HubSpot Academy
Certified in HubSpot architecture, data models, and API integrations.
IT Specialist - Databases
Certiport
Certified in IT specialization with a focus on database management.
IT Specialist - Software Development
Certiport
Certified in IT specialization with a focus on software development.