Guilherme Matuella
Senior Fullstack Engineer (Contractor) at Blank Street
Rio Grande do Sul, Brazil
Summary
🤩
Rockstar🎓
Top SchoolGuilherme Matuella is a Senior Fullstack Engineer with 10 years of experience building scalable mobile and web applications from Brazil’s Rio Grande do Sul. He combines deep hands-on expertise in Flutter, TypeScript, Firebase and backend systems with a strong security background from senior roles at Nubank. As a co-founder of Olympus Co he led architecture and product decisions for hybrid mobile apps, and contributed to the open-source Memo SRS Flutter app, handling null-safety, cross-platform adaptations and widget testing. Guilherme also contributed nuanced navigation and state-management examples to the beamer routing project, demonstrating practical Riverpod guard patterns. Comfortable moving between product-led startups and large fintech security teams, he enjoys reframing assumptions to solve complex engineering problems. Colleagues would note his mix of entrepreneurial product sense, platform-level thinking and a preference for clean, testable implementations.
10 years of coding experience
8 years of employment as a software developer
Technologist Analysis and Systems Development, Technologist Analysis and Systems Development at Senac RSStudents To Business, Mobile Systems Development, Students To Business, Mobile Systems Development at PUCRS (Innovation Center - Microsoft)
Portuguese, English
Stackoverflow
2,243reputation
449kreached
38answers
7questions
dart
top-5%
flutter
top-5%
firebase-authentication
top-5%
Github Skills (25)
beamer10
flutter-apps10
routers10
router10
android-app10
state-management10
riverpod10
iphone-app10
flutter-game10
dart10
application10
flutter10
widgets9
firebase-authentication9
codelist9
Programming languages (9)
Github contributions (5)
olmps/memo
Mar 2021 - Feb 2022
Memo is an open-source, programming-oriented spaced repetition software (SRS) written in Flutter.
Role in this project:
Mobile Developer (Flutter)
Mobile Developer (Flutter)Contributions:9 releases, 359 reviews, 457 commits in 10 months
Contributions summary:Guilherme primarily contributed to the development of the Flutter application "Memo," a spaced repetition software. Their work involved implementing core features like the initial setup of the Flutter project and adapting it for null-safety. They also modified the web and iOS components and conducted widget testing to ensure the application's functionality. The user demonstrated expertise in building and maintaining the core components of the Flutter application.
srsrepetitiondartspacedspaced-repetition
slovnicki/beamer
Sep 2021 - Dec 2021
A routing package built on top of Router and Navigator's pages API, supporting arbitrary nested navigation, guards and more.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:4 reviews, 18 commits, 9 PRs in 2 months
Contributions summary:Guilherme primarily contributed to the `guard_riverpod` example within the Beamer repository. Their work involved implementing navigation guards using Riverpod, including the creation of pages, routes, and guards to manage navigation flow. They also addressed bugs, updated the usage of `WidgetRef`, and added features like listen usage and refinements for proper container exposure and dependencies. These changes aimed to enhance the example's functionality and demonstrate how to handle navigation and state management within the Beamer framework.
navigatorapiflutter-routerarbitraryrouting
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