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Achievement: QuickdrawAchievement: Pull SharkAchievement: Arctic Code Vault Contributor

Achievements

Achievement: QuickdrawAchievement: Pull SharkAchievement: Arctic Code Vault Contributor

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MichaelZett/README.md

Hi, ich bin Michael 👋

Freelance Senior Java Architekt, Entwickler & Trainer aus Hamburg.

Stack

  • Backend: Java/Spring Boot, JEE/JBoss, JPA/Hibernate, REST/OpenAPI, Apache Kafka
  • Architektur: Microservices auf Container-Plattformen (Docker/Kubernetes), CI/CD
  • Frontend: Vaadin (langjährig), React/TypeScript (projektbezogen)
  • Datenbanken: PostgreSQL, Oracle

Hands-on-Architekt — Architekturentscheidungen werden bei mir im Code mitgetragen, nicht aus dem Elfenbeinturm.

Domänen

Hafenlogistik · Banking/PSD2 · Inkasso/Forderungsmanagement · MES · Health · Öffentlicher Sektor - Defence

Highlights hier auf GitHub

  • zettsystems-recipes — Custom OpenRewrite Recipe + Maven/Gradle Demo-Konsumenten
  • starfare — Remake of C-64 SectorForces with Vaadin, Spring Boot and modern Java
  • patterns — Java Design Patterns (Trainer-Schulungsmaterial)
  • qrcode-creator — QR-Code-Generator
  • heroes3cosim — Hobby: Heroes-3-Combat-Simulator

Lehre & Vorträge

  • Trainer seit 2017 für Java/Spring/Spring Security/Design Patterns

einige Zertifikate

  • Oracle Certified Professional, Java SE 17 Developer (07/2023)
  • iSAQB Certified Professional for Software Architecture, F-Level (06/2016)
  • Oracle Certified Master, JEE 6 Enterprise Architect (05/2015)

Kontakt

🌐 zettsystems.de · 🐦 @zettsystems

Pinned Loading

  1. patterns patterns Public

    Java Design Patterns sample collection — training material (Java 17+)

    Java

  2. qrcode-creator qrcode-creator Public

    Java QR code generator

    Java

  3. rentamovie rentamovie Public

    Java teaching example, FernUni Hagen Hamburg (2018 archive)

    Java

  4. zettsystems-recipes zettsystems-recipes Public

    Custom OpenRewrite Recipe (UseToList) — replaces Collectors.toUnmodifiableList() with Stream.toList(), with Maven and Gradle demo consumers

    Java