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Sven Ruppert

About Me

Table of Contents

Hi, I’m Sven Ruppert
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I’m a software developer, architect and developer advocate with 20+ years of experience in enterprise Java development. Based in Braunschweig, Germany.

By day I work on Java, Kotlin and Cybersecurity topics. By night I’m a passionate bushcrafter who loves spending time in the woods.

What I do
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Software Development & Architecture Building scalable, secure, enterprise-grade applications with a focus on clean code, testability and maintainability.

Security Specialised in application security, DevSecOps, secure coding practices and vulnerability analysis (CVSS, CWE, EPSS).

Developer Relations & Advocacy International speaker, author and trainer. Helping developers learn, grow and build better software.

Workshops & Training Offering hands-on workshops on Java Streams, JUnit5 testing and Functional Programming. See Workshops.

Technologies & Expertise
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  • Languages: Java, Kotlin, Python
  • Frameworks: Vaadin, Spring, EclipseStore
  • Security: SAST/DAST, OWASP, DevSecOps, CWE/CVE analysis
  • Build & DevOps: Maven, Gradle, JFrog, SLSA, Docker
  • Testing: JUnit5, Mutation Testing, TDD

Speaking & Community
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I speak at international conferences and meetups on topics including Java internals, application security, DevSecOps and Vaadin.

Bushcrafting
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When I’m not coding, I’m out in the woods practising bushcraft — building shelters, navigating by map and compass, carving tools and cooking over an open fire. See the Bushcrafting section of my blog for articles and videos.

Contact
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