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Rogerio Felix

@rogeriofelix1

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I build global Flutter apps and scalable backend services for millions of users.

Brazil

Message

I've built and evolved global Flutter products at Zallpy Digital for BMW Group, serving more than 10 million users and earning a 4.9-star rating across the App Store and Google Play.

I engineered notification systems supporting approximately 11 million daily deliveries and developed backend services and microservices with .NET, C#, NestJS, and TypeScript.

At Soluti Digital, I developed BirdID in Flutter, helping improve its store rating from approximately 2.3 to 4.8 while delivering video conferencing, encryption, and liveness-detection onboarding.

I've also built digital banking, digital-signature, web, and game-development solutions, applying Clean Architecture, automated testing, observability, and collaborative delivery practices.

Experience

Work history, roles, and key accomplishments

Full Stack Developer

Zallpy Digital

Jul 2024 - Jul 2026 (2 years)

Contributed to a global Flutter application used by over 10 million users, engineered notification systems for 11 million daily deliveries, and developed backend services with .NET, C#, NestJS, and TypeScript.

Flutter Dart .NET C#NestJS TypeScript Microservices Grafana Kibana

Mobile Engineer

Soluti Digital

Feb 2022 - Oct 2023 (1 year 8 months)

Developed and maintained BirdID, a flagship cross-platform application using Flutter, implementing features like video conferencing, encryption, and liveness detection.

Flutter Dart BLoC Cubit ValueNotifier Firebase Test Driven Development Mockito Mocktail Git Flow

Full Stack Developer

Soluti Digital

Sep 2021 - Feb 2022 (5 months)

Developed Assine.Online, a web application for digital signatures, implementing and testing front-end functionality.

Vue.Js JavaScript HTML CSS SCSS Unit Testing Integration Testing

Mobile Developer

Trinus Co.

Apr 2020 - Sep 2021 (1 year 5 months)

Helped build the Trinus digital banking application in Flutter from early development to production, led a team to increase unit-test coverage, and supported new developers.

Flutter Dart MobX ValueNotifier MVC Firebase Azure Gitlab Jira

Front-End Developer

Devduo Tech

Dec 2019 - Apr 2020 (4 months)

Developed websites for businesses and events using React, JavaScript, and HTML/CSS.

React JavaScript HTML CSS

Software Developer

alfa.code

Jan 2015 - May 2019 (4 years 4 months)

Started in game development using C# and Unity before moving into web application development, working across front-end, backend, and database layers.

C#Unity PHP Java MySQL Bootstrap HTML CSS