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daniel-dos

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Open Source Enthusiast. @apache and @eclipse-ee4j committer .

Funding Links: https://github.com/sponsors/Daniel-Dos

GitHub Sponsors Profile

πŸ‘‹ Hi, I'm Daniel!
Backend Software Engineer with strong experience in designing and evolving distributed systems using Java (Spring Boot, Jakarta EE) and Golang. At ItaΓΊ Unibanco, I work on large-scale modernization, transforming legacy monoliths into scalable, maintainable microservices using DDD, Clean Architecture, and SOLID principles.
I combine hands-on development with architectural guidance β€” covering API design, asynchronous messaging (Kafka, Camel), observability (Datadog), CI/CD pipelines, AWS infrastructure, and performance tuning.
As a committer to Apache TomEE and contributor to Jakarta EE and MicroProfile, I help improve enterprise Java runtimes and developer experience through open source contributions and community engagement.
Passionate about clean code, simplicity, and building software that evolves with the business.

πŸ’» What I work on
I maintain open source repositories designed to help developers:

Apply Clean Architecture, Hexagonal, and Layered Architecture using Jakarta EEFramework
Build robust REST APIs with Jakarta MVC and JAX-RS
Use Apache TomEE in production-ready microservices
Structure real-world applications with good design practices

🀝 Why sponsor me?
Maintaining high-quality open source projects takes time, energy, and continuous learning. Your sponsorship helps me:

Dedicate more time to maintaining and improving my projects
Create new educational and production-ready repositories
Answer questions and support the developer community
Share free content and tutorials based on real-world experience

If my work has helped you or your team, please consider becoming a sponsor.
Every contribution makes a difference! πŸ™

🎁 Sponsor perks
Depending on your sponsorship tier, I can offer:

πŸ“ Public thank-you on project READMEs
πŸš€ Priority support for issues and feature requests
πŸ“¦ Early access to new projects and content
πŸ’¬ 1:1 technical mentoring sessions (Java, architecture, backend design)

πŸ’¬ Contact
Feel free to reach out for questions, feedback, or collaboration ideas.
You can contact me here on GitHub or via LinkedIn.

Featured Works

Daniel-Dos/tomee

Mirror of Apache Tomee

Language: Java - Stars:
Daniel-Dos/tomee-site-generator

Mirror of Apache TomEE Site Generator

Language: Java - Stars:
Daniel-Dos/mvc

MVC project

Language: Java - Stars:
Daniel-Dos/krazo

Language: Java - Stars:
Daniel-Dos/deltaspike

Mirror of Apache Deltaspike

Language: Java - Stars:
apache/camel

Apache Camel is an open source integration framework that empowers you to quickly and easily integrate various systems consuming or producing data.

Language: Java - Stars: 5875
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