Rafael De F Ferreira
Senior Staff Software Engineer at Nubank
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolRafael De F Ferreira is a Senior Staff Software Engineer based in Berlin with 17 years of experience designing and shipping scalable web systems, currently driving technical direction at Nubank. He blends deep backend Java expertise—evident from contributions to the VRaptor Java MVC framework—with hands-on architecture and team coaching from roles at R7.com and Caelum. Comfortable in both consultant and in-house settings, he moves between implementation details and high-level system design, improving component management and dependency injection in legacy frameworks. His background includes early work in academic tech adoption and eLearning standards, a sign of his long-standing interest in developer ecosystems and open technologies. Known for pragmatic problem-solving, he often surfaces subtle infrastructure and integration issues before they become blockers. Fluent in interdisciplinary collaboration, he pairs technical depth with a knack for mentoring teams through complex transitions.
17 years of coding experience
4 years of employment as a software developer
UnicesumarUniversity of São PauloFederal University of Technology – Paraná
English, Portuguese
Stackoverflow
1reputation
498reached
0answers
3questions
Github Skills (8)
javas10
web-framework10
dependency-injection10
java10
spring9
mvc9
nodejs6
javascript6
Programming languages (8)
Github contributions (5)
caelum/vraptor
Jul 2009 - Feb 2010
Simple Java Web MVC Framework
Role in this project:
Back-end Developer
Back-end DeveloperContributions:74 commits in 6 months
Contributions summary:Rafael contributed to the VRaptor framework, a Java Web MVC framework. The commits involve registering and integrating VRaptor2 components, including custom components, interceptors, and converters, using PicoContainer, the framework's dependency injection container. The user also modified the framework's core components, such as the `PicoProvider` and the `VRaptor2ComponentRegistrar`, to correctly register components and handle custom component registration. The contributions indicate a focus on extending the framework's capabilities and improving its component management.
java-webrestfulframeworkweb-mvcmvc
rafaeldff/nixpkgs
Feb 2017 - Jan 2022
Contributions:21 pushes, 14 branches in 4 years 11 months
nixosnix-packages
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