Jourdan Catarina - Portfolio

Jourdan Catarina.đź‘‹

Shipping web & mobile at Cyberclinic
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Full Stack Software Engineer specializing in React Native, Next.js, and modern web technologies. Currently leading mobile development at Cyberclinic. Graduated BS Computer Science, Magna Cum Laude, at the University of the Philippines.

About Me

I'm a software engineer focused on web & mobile products

Jourdan Ken Catarina

Full Stack Software Engineer

Full Stack Software Engineer specializing in React Native, Next.js, and modern web technologies. Currently leading mobile development at Cyberclinic. Graduated BS Computer Science, Magna Cum Laude, at the University of the Philippines.

| Languages

English

-

Fluent

Filipino

-

Native

Bachelor of Science in Computer Science

University of the Philippines - Cebu

🎓 Magna Cum Laude· GPA 1.42/1.0

2022 - 2026

Graduated Magna Cum Laude, focusing on Software Engineering and Web Development

Senior High School

Cebu City National Science High School

2020 - 2022

GPA: 96/100

Junior High School

Cebu City National Science High School

2016 - 2020

GPA: 93/100

Work Experience

Full-stack engineer shipping web & mobile products across startups and distributed teams

Cyberclinic Inc. | Lead Mobile App Software Engineer & Full Stack Software Engineer

February 2025 - Present

  • Lead the complete development of the company's cross-platform mobile application using React Native and Expo, building it from the ground up as a solo developer
  • Replicated and integrated core features from the existing web platform into the mobile app, including task management, ticketing, meetings, projects, and accounting modules
  • Delivered a fully functional mobile app achieving feature parity with the large-scale web platform maintained by a multi-developer team
  • Handle all aspects of mobile infrastructure setup, app configuration, and deployment to both the App Store and Google Play Store
  • Work as a full stack developer on the web platform using Next.js for the frontend and PHP for the backend, contributing to both client-facing features and server-side logic
  • Designed and implemented the complete Employment Services flow end-to-end, covering both frontend and backend development
  • Contributed to the Invoicing feature set, implementing functionality across both frontend and backend layers
  • Lead the performance optimization of critical API endpoints across the platform, reducing load times of 5 to 6 endpoints from 20+ seconds down to roughly 1 second, even when returning 500 to 1,000+ records without pagination (per client requirements)
  • Applied list virtualization on the frontend to maintain smooth rendering and scrolling performance for large, non-paginated datasets
  • Developed and maintain backend integrations to ensure seamless data synchronization between the mobile app and the company's Express.js and MongoDB backend
  • Serve as the assigned developer for production database corrections, writing and executing SQL queries to fix user-submitted data errors directly in the database
  • Trusted with cross-stack ownership spanning mobile (React Native, Expo), web frontend (Next.js), backend (PHP, Express.js), and database operations (SQL, MongoDB)

Bitwork Solutions | Fullstack Web & Mobile Software Engineer

March 2024 - March 2025

  • Led development of Badge Guru, a React Native mobile app for scanning vehicle emblems and generating vector files for sticker-cutting templates
  • Implemented a comprehensive e-commerce system with Stripe integration for secure payments
  • Built user authentication system and profile management with secure image handling
  • Developed real-time emblem scanning functionality supporting iOS and Android platforms
  • Integrated subscription management system for premium features and recurring payments
  • Created a robust feedback system using Mailgun for direct user communication

HQZen | Fullstack Web Software Engineer

December 2023 - March 2024

  • Maintained and debugged the production website, ensuring optimal uptime and functionality
  • Developed workforce management features for employee assignment and operational efficiency
  • Collaborated with cross-functional teams to deliver scalable solutions using Vue.js and Django
  • Participated in code reviews and team synchronization for optimal solution implementation

Mind Fusion LTD | Fullstack Software Engineer

October 2021 - January 2023

  • Developed and maintained a full-stack product review platform using Next.js, Express, and MongoDB
  • Designed and optimized user interfaces in Figma, enhancing usability and overall user experience
  • Implemented responsive and accessible front-end components with React, Next.js, and Tailwind CSS
  • Built and integrated RESTful APIs with Express.js, managing data persistence and queries via MongoDB
  • Ensured cross-platform compatibility and optimized performance for both mobile and desktop users

Skills

Strong in React Native, Next.js, and modern web tooling

Skills

React/Next.js

95%

React Native

95%

TypeScript

92%

Node.js

88%

Expo

92%

Django

80%

AWS

72%

Vue

85%

Tailwind

95%

Svelte

75%

Zustand

88%

Redux

78%

n8n

80%

Supabase

88%

My Work

Selected projects — mobile apps, full-stack apps, and frontend builds

PropertyListings

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An AI-powered marketing kit for Philippine real estate. Enter a property's details once and instantly get a dedicated listing website, AI-written descriptions, social captions, and a branded QR code.

Worldwide Central Properties

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Corporate website for Worldwide Central Properties, a Cebu-based real estate developer, showcasing their residential and hotel communities, the OneCENTRAL services platform, and company media. Backed by a fully custom Sanity CMS, so every piece of content on the site is editable.

VEA AI

Enterprise field service app for managing tickets, tasks, customers, and documentation—secure auth, dark mode, calendar integration, and AI-assisted workflows for technicians and managers.

Haircat App

A customer-facing mobile app for discovering barbers, applying powerful filters (nearest, ratings, price, and more), booking appointments, and chatting in real time. Includes push notifications and an AI-powered haircut recommender that analyzes the user's face shape, age, and hair type to suggest three personalized haircuts.

Haircat Barber App

A comprehensive mobile application designed specifically for barbers to manage their barbershop accounts and connect with customers through the Haircat ecosystem. Barbers can set up their profiles, manage appointments, and communicate with clients seamlessly.

Badge Guru

A mobile app that uses robust scanning technology to scan car emblems and automatically generate vector files for custom sticker cutting

UP Cebu Campus Explorer

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Explore UP Cebu Campus - Navigate through buildings, find facilities, and discover the beauty of UP Cebu campus with our interactive map. Get real-time room schedules to plan your day efficiently!

Finite Automata Visualizer

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A visualizer for finite automata built with NextJS and TypeScript

ETCP - Evangelical Theological College of the Philippines

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Official website for the Evangelical Theological College of the Philippines. Features academics, admissions, student life, news and events, alumni resources, and a giving portal.

Contact Me

Get in touch — let's build something
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