Domu
An iOS and Android app plus a web platform that bring together rent, contract and maintenance management with a search for trusted service providers.
- Year
- 2026
- Role
- Founder and developer
- Status
- Working prototype
- Type
- Mobile app + web SaaS • Real estate

The problem
- In João Pessoa, property managers track rent, contracts and maintenance in spreadsheets and WhatsApp.
- Finding a trustworthy plumber or electrician depends on word of mouth.
The solution
An app with three profiles that connects both sides, plus a website with public service search, subscription management and no-login lookup links for tenants and owners.
Screens

Features
Agent or owner
- Manages properties, contracts, billing, inspections and payouts.
Service provider
- Receives requests, builds a profile, publishes past work and levels up through reviews.
Customer
- Finds the professionals who serve their area on a map.
Highlights
- Map with the official IBGE boundary, limited to João Pessoa and Bayeux, showing each provider's service radius.
- Address validation by postal code (CEP).
- Frame-by-frame opening animation.
- Usage-tier plans designed to follow Apple and Google store rules.
- Contact protection in chat: phone and email stay hidden until the provider accepts the request.
Results
- Working prototype of the app and the website, with every screen navigable.
- Business model defined and API contract documented.
- Ready for backend integration and store release.
My role
Founder and developer
- Business rules, plans and permissions for each profile.
- UX/UI and design system.
- App and website development.
- Technical documentation.
Stack
Mobile
- React Native
- Expo
- Expo Router
- React Native SVG
- EAS Build
Web
- Next.js
- TypeScript
Maps
- MapLibre
- OpenStreetMap
Workflow
- Git/GitHub
- Claude Code
