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OS Expert

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OS Expert

Welcome to OS Expert – your gateway to software engineering and technology excellence. We’re a dynamic team of seasoned professionals deeply rooted in the open-source community, with a rich history of contributions to global software projects. Our mission is to redefine how individuals and organizations approach technology challenges. Whether you’re a post-senior professional aiming to optimize your software development processes or an organization seeking specialized guidance, OS Expert is your trusted partner. We offer Expert-as-a-Service (EaaS) solutions that provide direct access to seasoned experts and comprehensive Mentoring Services tailored to foster growth and learning within the tech community. Inspired by our founder’s extensive experience in open-source projects, including Java, Eclipse, and Apache Foundation initiatives, we’re dedicated to innovation, quality, and efficiency in software engineering. Join us on this transformative journey, where expertise and education converge to unlock your full potential in software engineering and technology. Explore our repositories, engage with our community, and let’s shape the future of tech together.

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  1. java-videos-code java-videos-code Public

    The code result from the youtube channel

    Java 14 5

  2. ddd-workshop ddd-workshop Public

    DDD in action: Strategies and tactics for Java solutions

    Java 12 4

  3. domain-driven-design-java-book domain-driven-design-java-book Public

    This repository contains practical examples and sample code from the book Domain-Driven Design with Java. Explore implementing DDD principles with Java, including services, entities, repositories, …

    Java 11

  4. java-elite-software-design-system-design java-elite-software-design-system-design Public

    Java Elite Material at the Software Design and System Design module

    Java 10 11

  5. three-persistence-mastering three-persistence-mastering Public

    The three goals to achieve the Java persistence mastering presentation

    Java 3

  6. persistence-wars persistence-wars Public

    Persistence wars: become the Jedi of distributed Java architectures.

    Java 3

Repositories

Showing 10 of 19 repositories
  • java-videos-code Public

    The code result from the youtube channel

    o-s-expert/java-videos-code's past year of commit activity
    Java 14 Apache-2.0 5 0 0 Updated Jul 12, 2026
  • ddd-workshop Public

    DDD in action: Strategies and tactics for Java solutions

    o-s-expert/ddd-workshop's past year of commit activity
    Java 12 Apache-2.0 4 0 0 Updated Nov 22, 2025
  • ddd-workshop-labs Public
    o-s-expert/ddd-workshop-labs's past year of commit activity
    Java 0 Apache-2.0 1 0 0 Updated Sep 16, 2025
  • java-elite-software-design-system-design Public

    Java Elite Material at the Software Design and System Design module

    o-s-expert/java-elite-software-design-system-design's past year of commit activity
    Java 10 Apache-2.0 11 0 0 Updated Jul 13, 2025
  • aciidoc-template Public

    A sample using aciidoc as presentation

    o-s-expert/aciidoc-template's past year of commit activity
    CSS 0 Apache-2.0 0 0 0 Updated Jul 4, 2025
  • domain-driven-design-java-book Public

    This repository contains practical examples and sample code from the book Domain-Driven Design with Java. Explore implementing DDD principles with Java, including services, entities, repositories, and real-world architectures like microservices and monoliths. It is perfect for developers learning to apply DDD in enterprise Java applications.

    o-s-expert/domain-driven-design-java-book's past year of commit activity
    Java 11 Apache-2.0 0 0 0 Updated May 23, 2025
  • ultimate-Engineer-e-book Public

    The Ultimate Engineer: A Roadmap to Simplifying Complexity and Leading with Impact

    o-s-expert/ultimate-Engineer-e-book's past year of commit activity
    2 Apache-2.0 0 0 0 Updated Apr 20, 2025
  • books-management Public

    Sample of REST API using Helidon and Oracle NoSQL

    o-s-expert/books-management's past year of commit activity
    Java 0 Apache-2.0 0 0 0 Updated Dec 22, 2024
  • ncache-samples Public

    Samples of integration between Java and NCache

    o-s-expert/ncache-samples's past year of commit activity
    Java 0 Apache-2.0 0 0 0 Updated Mar 15, 2024
  • harperdb-samples Public

    The integration of HarpderDB and Java samples

    o-s-expert/harperdb-samples's past year of commit activity
    HTML 1 Apache-2.0 1 0 0 Updated Dec 15, 2023
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