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Hi, I’m Carlos Henrique Simões Novais, a mobile engineer with over 6 years of hands-on experience in building high-performance mobile applications. I specialize in Flutter and Dart, and I leverage tools like Firebase, DataDog, Sentry, and Fastlane to deliver robust apps across Android and iOS. My work spans fintech and e-commerce, delivering solutions for thousands to hundreds of thousands of daily users. I love crafting scalable architectures, codifying best practices, and building observability into production. I’ve spoken at The Developers Conference about building a digital bank for gamers in just 3 months with Flutter, and I’m driven by projects that make a real difference for customers.…Hi, I’m Carlos Henrique Simões Novais, a mobile engineer with over 6 years of hands-on experience in building high-performance mobile applications. I specialize in Flutter and Dart, and I leverage tools like Firebase, DataDog, Sentry, and Fastlane to deliver robust apps across Android and iOS. My work spans fintech and e-commerce, delivering solutions for thousands to hundreds of thousands of daily users. I love crafting scalable architectures, codifying best practices, and building observability into production. I’ve spoken at The Developers Conference about building a digital bank for gamers in just 3 months with Flutter, and I’m driven by projects that make a real difference for customers.

Carlos Henrique Simões Novais

App Developer, Web Developer, Full Stack Developer, +2

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Hi, I’m Carlos Henrique Simões Novais, a mobile engineer with over 6 years of hands-on experience in building high-performance mobile applications. I specialize in Flutter and Dart, and I leverage tools like Firebase, DataDog, Sentry, and Fastlane to deliver robust apps across Android and iOS. My work spans fintech and e-commerce, delivering solutions for thousands to hundreds of thousands of daily users. I love crafting scalable architectures, codifying best practices, and building observability into production. I’ve spoken at The Developers Conference about building a digital bank for gamers in just 3 months with Flutter, and I’m driven by projects that make a real difference for customers.…Hi, I’m Carlos Henrique Simões Novais, a mobile engineer with over 6 years of hands-on experience in building high-performance mobile applications. I specialize in Flutter and Dart, and I leverage tools like Firebase, DataDog, Sentry, and Fastlane to deliver robust apps across Android and iOS. My work spans fintech and e-commerce, delivering solutions for thousands to hundreds of thousands of daily users. I love crafting scalable architectures, codifying best practices, and building observability into production. I’ve spoken at The Developers Conference about building a digital bank for gamers in just 3 months with Flutter, and I’m driven by projects that make a real difference for customers.

Available to hire

Hi, I’m Carlos Henrique Simões Novais, a mobile engineer with over 6 years of hands-on experience in building high-performance mobile applications. I specialize in Flutter and Dart, and I leverage tools like Firebase, DataDog, Sentry, and Fastlane to deliver robust apps across Android and iOS.

My work spans fintech and e-commerce, delivering solutions for thousands to hundreds of thousands of daily users. I love crafting scalable architectures, codifying best practices, and building observability into production. I’ve spoken at The Developers Conference about building a digital bank for gamers in just 3 months with Flutter, and I’m driven by projects that make a real difference for customers.

Skills

Experience Level

Expert

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Expert

Language

English

Advanced

Work Experience

Senior Software Engineer at Dafiti

May 1, 2024 - Present

Senior Software Engineer focused on Flutter-based mobile apps; implemented the Deeplinks feature, increasing user onboarding by 20% across Android and iOS; automated feature testing with Maestro, reducing manual testing time by about 4 hours per month.

Senior Consultant at ALPE

January 1, 2024 - October 1, 2024

Automated CI/CD for Android/iOS app publishing using Fastlane; created a reference architecture for mobile Flutter development teams; refactored code with Clean Architecture; defined Dart-based DDD standards and integrated tests; integrated Firebase deployment, events, performance, and crashlytics; standardized responsive components and initiated a mobile design system.

Founder & Software Engineer at zzCar

July 1, 2023 - March 1, 2024

Created the entire Flutter app from scratch; gathered 1,000+ feedbacks across 3 cities to improve features; led MVP development for customer and service provider apps, achieving 50 subscribers in the first month; automated publishing to stores, reducing deployment time from 20 to 5 minutes.

Software Engineer at N26

May 1, 2022 - January 1, 2024

Wrote load tests to justify backend migration; redesigned onboarding endpoints in Kotlin reducing latency from 7s to 1s; implemented security measures; built a DataDog dashboard for onboarding analytics; implemented Flutter-based 2FA with Firebase and biometric validation; improved conversion by 70% for the denial path; recognized as a company highlight in May.

Software Engineer at Facily

September 1, 2021 - May 1, 2022

Developed the Pickup Point feature using Flutter and Dart, reducing order entry time by 70% with QR code integration; led an architectural overhaul to achieve 70% test coverage within one month using Clean Architecture, Mocktail, and Golden tests.

Software Engineer at UZZO Pay

March 1, 2021 - September 1, 2021

Shaped a culture of software quality; defined MVVM architecture and SOLID principles; introduced unit tests with Mocktail and Golden UI tests; guided Strangle Pattern migration to multiplatform Flutter modules; delivery speed increased by ~50%.

Software Engineer at Banco Gamer

January 1, 2021 - June 1, 2021

Designed and implemented Dart/Flutter app architecture; wrote tests to improve maintainability; defined technologies and helped deliver new features; established git workflow and coding standards.

Software Engineer at Torcida Gamer

July 1, 2020 - March 1, 2021

Maintained and extended features for a platform serving esports clubs to boost fan engagement; contributed to overall product stability and feature delivery.

Software Engineer Intern at up.p

February 1, 2020 - June 1, 2020

ERP delivery as part of internship program, supporting backend/frontend tasks and bug fixes.

Software Engineer Intern at iProduce Soluções de Produção

September 1, 2019 - January 1, 2020

Created systems for monitoring former students' careers; developed banner animations for ads; built a digital birthday card using IBM Watson AI.