Chiro: Personal Finance App for Expenses, Budgets and Loans
A web and Android app with a SvelteKit frontend and a Go backend to track spending, set budgets and manage loans.
Frontend on Cloudflare · API on Vercel · DB on Supabase
Shaping 
Ideas
Concepts
Designs
Code Ideas Concepts Designs Code
into Real Projects
that Deliver Results
I am LUSER, a full-stack developer. I build offline-first and web apps with Go, SvelteKit and PostgreSQL, from idea to deployment.
See My Work
Planner: task planner with visual countdown timers, built with Go, SvelteKit and PostgreSQL
In progress
Offline-first
Apps that work without a connection and back up their data to Google Drive.
Cross-platform
Android, Windows, Linux and the web from one product.
End-to-end
Frontend, API, database and deployment, all owned by me.
How my projects evolved
Projects & Learning Journey
Contacts — offline-first contacts app
Early 2024
What I built
- Built a cross-platform contacts manager with React Native (Android) and Electron (Windows and Linux) on a local SQLite database.
- Backed up the .db file to Google Drive (app-created files only, drive.file scope) and restored it on another device after Google Sign-In through Firebase.
- Features: VCF/vCard import, birthday calendar and notifications, advanced search filters, English/Spanish i18n.
Chiro — offline-first personal finance app
Late 2024
What I built
- Reused the same offline-first architecture (Expo / React Native + Electron + expo-sqlite, Google Drive backup, Firebase Google Sign-In) for expenses, budgets and loans.
- The Android app is in closed testing on Google Play.
Frontend Mentor challenges
July 2025
Visit siteWhat I built
- Solved 9 Frontend Mentor challenges across newbie, junior and intermediate levels, from a QR code component to a todo app.
- Built with Next.js 15, React 19, TypeScript and Tailwind CSS 4, following each design closely and responsive down to mobile.
tims — ESPOCH IT program website
August 2025
Visit siteWhat I built
- Official website for the Information Technology Engineering program at the ESPOCH Morona Santiago campus, with schedule, club, student council and faculty sections in Spanish and English.
- Built with Next.js 15, TypeScript, PostgreSQL with Prisma, NextAuth v5, next-intl and Cloudinary image uploads.
- Admin panel for news, events, faculty and users, in development.
- Python
- FastAPI
- Next.js
- PostgreSQL
- Docker
grapi — Instagram follower analyzer
June 2026
What I built
- Analyzes Instagram followers and following and downloads galleries and stories, built on the instagrapi library.
- FastAPI backend with PostgreSQL (Alembic migrations) caching profiles and run history, plus a Next.js 15 frontend migrated from an earlier Vue single-page app served by nginx.
- Runs the whole stack with a single docker compose command, with live sync for development.
Scaling to the web: Go, SvelteKit and PostgreSQL
July 2026
What I built
- Rebuilt Chiro and Contacts as web apps with a SvelteKit frontend, a Go API and PostgreSQL.
- Deployed the frontend on Cloudflare, the API on Vercel and the database on Supabase.
- All projects remain active and maintained.
Planner — task planner with visual countdown timers
September 2026 — in progress
What I built
- Task planner with visual countdown timers, class schedules and day planning.
- Built with a Go API (Chi router, pgx), a SvelteKit 5 frontend and PostgreSQL.
🤝 What I Bring to the Table
How I Can Contribute & My Key Skills
React, Next.js & React Native
Node.js & NestJS
Git, CI/CD & Linux
Full Stack
Go
TypeScript
SvelteKit
Next.js
NestJS
PostgreSQL
React Native
Python
Docker
Supabase
Cloudflare
Vercel
💬 Have questions or ideas? Let's talk! 🚀