Web & Mobile Developer

I build things for
screens of all sizes.

I'm Stimmie — a software engineer from the Philippines who ships web apps, mobile apps, and browser extensions. From campus tools used by thousands to hardware-integrated POS systems, I turn ideas into polished products.

View Projects Hire Me

35+Projects shipped

10K+Users reached

6+Years building

Selected Work

Featured Projects

A few things I've built — from mobile apps with hardware integration to campus-wide tools.

Room TBA

Campus Room & Class Finder

A SvelteKit progressive web app that helps UPLB students locate classes and rooms across campus. Features advanced filters, schedules, interactive building info, OpenStreetMap directions, and full offline support.

Elbi GradeSim

Grade Simulator & Forecaster

A cross-browser extension that simulates and forecasts course grades from quizzes, exams, and weighted components. Supports the University of the Philippines grading system with semantic-release versioning and a standalone landing page.

Bus Ticketing System

POS Terminal App with Hardware Integration

A React Native + TypeScript mobile application designed for POS machines used in bus ticketing. Includes hardware device integration, comprehensive Jest test suites, and a GitHub Actions pipeline that builds production Android APKs automatically.

HearthCraft

Minecraft Server Infrastructure

A survival Minecraft server I founded at age 13 — managed bare-metal and cloud servers, configured Java plugins, Docker containers, and built a multiplayer community that served as a safe space for 10,000+ players over 6 years, including through the pandemic.

Atlas of My Skies

Astronomy Photo Diary

A Next.js astronomy diary that maps the sky above me each day — a quiet, meditative web project blending photography with technology. Built with TypeScript and deployed on Vercel.

View All Projects

What I Offer

Services

◆

Web Development

Responsive, performant web applications with modern frameworks — Vue, React, Svelte, Next.js, or Nuxt. From landing pages to full-stack platforms.

◇

Mobile Development

Cross-platform mobile apps with Flutter or React Native. Hardware integration, offline support, and native-feeling UIs.

▣

Browser Extensions

Chrome, Firefox, and Edge extensions with Manifest V3. Published extensions with CI/CD pipelines and automated versioning.

▤

Technical Consulting

Architecture guidance, code review, and DevOps setup. CI/CD pipelines, Docker, Vercel deployments, and team workflow optimization.

Ready to build?

Let's make something great.

I'm available for freelance web and mobile development projects. Whether you need a full product, a feature, or consulting — let's talk.

Get in Touch GitHub Profile

I build things for screens of all sizes.