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Pedro Villalba

Full Stack Mobile Developer · Flutter & React Native

Rio de Janeiro, Brazil — Open to remote

Availability: immediate · Remote or hybrid · Contractor or full-time

Professional Summary

Mobile developer focused on Flutter and React Native, from prototype to publishing on the App Store and Google Play. I've shipped production apps with atomic coin economy, background geolocation and domain-driven design (DDD), delivering results such as 99.4% crash-free and −90% image weight. Passionate about clean code, performance on low-end devices and experiences that convert.

Work Experience

Freelance Mobile Developer · Self-employed

2024 — present

Remote · Flutter & React Native

  • Cross-platform apps for clients (Rowilove, Skarfit, Tino Brasil): from UI to API and Firebase integration, through store publishing.
  • Atomic, idempotent coin economy with server-side transactions: zero double charges across 20k+ charges.
  • Performance and asset optimization (WebP conversion, −90% image weight) and crash-free improved to 99.4%.

Mobile App Developer · TI Safe

Aug 2025 — Feb 2026

Rio de Janeiro · React Native

  • iOS/Android apps for industrial cybersecurity, from Figma prototype to production.
  • API integration, environment management, CI/CD and publishing to the App Store and Google Play.

Full Stack Development Tutor · Driven Education

Dec 2021 — Jul 2023

Remote

  • Mentored 150+ students in React, Node, TypeScript and Prisma, focused on testing and code quality (−40% bugs).
  • In parallel, published my own apps in React Native.

Technical Skills

  • Mobile: React Native, Flutter, Expo
  • Languages: TypeScript, JavaScript, Dart
  • Backend & data: Node.js, Firebase, Supabase, REST APIs
  • Quality & DevOps: Jest, Cypress, CI/CD, Git
  • Design: Figma

Featured Projects

  • Rowilove — Live social app (React Native): atomic coin economy, real-time and Trust & Safety.
  • Codekanox — Parental monitoring / homeschooling (React Native): background geolocation with −45% battery.
  • Skarfit — Delivery app (Flutter): clean architecture, API integration and store publishing.

Languages

  • Spanish: Native
  • Portuguese: Fluent

Education

  • Engineering