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Fractional CTO with 5+ years building and owning production mobile apps solo. Expert in Flutter, Firebase, and Cloud Functions TypeScript. I've maintained a live Flutter app for 5+ years with full ownership — architecture, backend, API integrations, and Play Store deployment. Currently building Travel Companion, a Flutter travel app integrating Claude AI, Google Places, and RevenueCat. What I deliver: — Flutter apps: Riverpod, GoRouter, clean architecture — Firebase backends: Firestore, Auth, Cloud Functions — API integrations & debugging — Full autonomy, fast onboarding, zero handholding…Fractional CTO with 5+ years building and owning production mobile apps solo. Expert in Flutter, Firebase, and Cloud Functions TypeScript. I've maintained a live Flutter app for 5+ years with full ownership — architecture, backend, API integrations, and Play Store deployment. Currently building Travel Companion, a Flutter travel app integrating Claude AI, Google Places, and RevenueCat. What I deliver: — Flutter apps: Riverpod, GoRouter, clean architecture — Firebase backends: Firestore, Auth, Cloud Functions — API integrations & debugging — Full autonomy, fast onboarding, zero handholding

Tom Chamart

Full Stack Developer, Cloud Developer, Web Developer, +4

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Fractional CTO with 5+ years building and owning production mobile apps solo. Expert in Flutter, Firebase, and Cloud Functions TypeScript. I've maintained a live Flutter app for 5+ years with full ownership — architecture, backend, API integrations, and Play Store deployment. Currently building Travel Companion, a Flutter travel app integrating Claude AI, Google Places, and RevenueCat. What I deliver: — Flutter apps: Riverpod, GoRouter, clean architecture — Firebase backends: Firestore, Auth, Cloud Functions — API integrations & debugging — Full autonomy, fast onboarding, zero handholding…Fractional CTO with 5+ years building and owning production mobile apps solo. Expert in Flutter, Firebase, and Cloud Functions TypeScript. I've maintained a live Flutter app for 5+ years with full ownership — architecture, backend, API integrations, and Play Store deployment. Currently building Travel Companion, a Flutter travel app integrating Claude AI, Google Places, and RevenueCat. What I deliver: — Flutter apps: Riverpod, GoRouter, clean architecture — Firebase backends: Firestore, Auth, Cloud Functions — API integrations & debugging — Full autonomy, fast onboarding, zero handholding

Available to hire

Fractional CTO with 5+ years building and owning
production mobile apps solo. Expert in Flutter,
Firebase, and Cloud Functions TypeScript.

I’ve maintained a live Flutter app for 5+ years
with full ownership — architecture, backend, API
integrations, and Play Store deployment. Currently
building Travel Companion, a Flutter travel app
integrating Claude AI, Google Places, and RevenueCat.

What I deliver:
— Flutter apps: Riverpod, GoRouter, clean architecture
— Firebase backends: Firestore, Auth, Cloud Functions
— API integrations & debugging
— Full autonomy, fast onboarding, zero handholding

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Chief Technology Officer at L'Algode Paulo

April 1, 2020 - Present

Led end-to-end product development and architecture for a Flutter-based travel companion app, owning the lifecycle from system design to production deployment on Google Play. Built scalable architecture, integrated Flutter/Dart front-end with Firebase backend, implemented secure authentication flows and backend services, and oversaw real-time data processing, DevOps, and deployment pipelines. Drove product strategy and collaborated with cross-functional teams to deliver features such as AI-enabled local discovery and itinerary planning.

Salesforce Developer at Modis

September 1, 2016 - September 1, 2019

Developed Flutter-based travel companion features for a cross-platform app, including visa-information workflows, AI-powered local discovery, and itinerary builder. Implemented a secure backend with App Check, rate limiting, and multi-provider authentication (Google/Guest). Implemented monetization setup using AdMob and RevenueCat and prepared the app for Google Play release.