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Java Vienna Meetup

2024

November Meetup #2: 2024-11-25

• Pure, "No Dependencies" Java LLM Integration - Adam Bien [Code]
• The Only Reasonable Way To Test Your (Micro) Services - Adam Bien

November Meetup #1: 2024-11-11

• Everything You Always Wanted To Know About OpenAPI - Siegfried Göschl [Slides TODO] [Code TODO]
• API First revisited - where did we take a left turn? - Damjan Gjurovski [Slides TODO] [Code TODO]

October Meetup: 2024-10-21

• Messaging with Spring - ActiveMQ vs. RabbitMQ - Milan Gogic [Slides] [Code]
• Contract Testing in Java - Damjan Gjurovski [Slides TODO] [Code TODO]

September Meetup: 2024-09-30

• The beauty of Event-Sourcing Jakob Durstberger [Slides] [Code TODO]
• Event Sourcing with Axon Framework Andreas Grill [Slides] [Code]

June Meetup #2: 2024-06-24

• Is your spring boot application in Kubernetes secure? - Damjan Gjurovski [Slides]
• Have you ever considered just not writing bugs? - Tagir Valeev [Slides]

June Meetup #1: 2024-06-03

• Privacy leaks beyond the class-level: protecting personal data - Catherine Easdon [Slides]
• Change Data Capturing - Hans-Peter Grahsl [Slides] [Code TODO]

May Meetup "Venkat Edition": 2024-05-06

• Design Patterns Revisited in Modern Java - Venkat Subramaniam
• Know your Java? - Venkat Subramaniam

April Meetup #2: 2024-04-17

• Prepare for Jakarta EE11 - Ed Burns [Slides TODO] [Code TODO]
• AI Talk - Ed Burns [Slides TODO] [Code TODO]
• Developer Career Masterplan - Ed Burns [Slides TODO] [Code TODO]

April Meetup #1: 2024-04-08

• Deep dive into Hibernate ORM 6.4 features - Christian Beikov [Slides] [Code] [Video 1] [Video 2]
• JVM Performance Comparison for JDK 21 - Ionut Balosin [Slides] [Code]

March Meetup: 2024-03-11

• Extend your app securely - Max Noe [Live Coding only talk] [Code]
• Parallele Programmierung in Java - Christian Heitzmann [Slides] [Code]

February Meetup: 2024-02-12

• Debugging a debugger - Marco Sussitz [Slides] [Code]
• Choosing the Right Tool: A Comparative Look at gRPC, REST, and GraphQL - Damjan Gjurovski [Slides] [Code]

January Meetup: 2024-01-08

• TestContainers, Localstack + Spring - Anca Ghenade [Slides] [Code] [Code]
• Java 21 - Dominik Dorn [Slides] [Code]

2023

December Meetup: 2023-12-04

• OS Profiling & code improvements - Stephan Belks Andrew Poulter [Slides TODO] [Code]
• Reasonable Cloud Practices with Java @ AWS - Adam Bien [Slides] [Code]

November Meetup: 2023-11-13

• Keycloak.X & quarkus - Kilian Schröder [Slides] [Code TODO]
• Java containerization deep dive - Damjan Gjurovski [Slides] [Code TODO]

October Meetup: 2023-10-23

• Kafka: Distributed Workload Scheduler - Igor Pernek [Slides TODO] [Code TODO]
• CLIs with Java, Quarkus, PicoCLI - Sebastian Daschner [Slides] [Code TODO]

September Meetup: 2023-09-25

• Event-Driven Architecture aka. 7 years with Axon Framework - Andreas Grill Gerhard Hipfinger [Slides]
• The beauty of the monolith - Philipp Seifert-Kehrer [Slides]

June Meetup #2: 2023-06-26

• Microservice communication done right - Damjan Gjurovski [Slides] [Code TODO]
• Modern observability with OpenTelemetry - Georg Pirklbauer [Slides] [Code]

June Meetup #1: 2023-06-05

• E.D.D.I. - Conversational AI Middleware mit Quarkus - Gregor Jarisch [Slides] [Code]
• Quarkus + Kubernetes - Onur Kasimlar [Slides] [Code Quarkus+K8s] [Code Quarkus+Opentelemetry]

May Meetup: 2023-05-15

• Solid: Foundation of Web3.0 for Java Devs - Timea Turdean [Slides] [Code]
• GraalVM & Spring Boot 3 - Rainer Hahnekamp [Slides] [Code] [Code]

April Meetup: 2023-04-24

• HATEOAS – Können REST-APIs Geschichten erzählen? - Maximilian Göke [Slides] [Code TODO]
• Location Transparency - Milen Dyankov [Slides]

March Meetup: 2023-03-06

• Angular ❤️ Spring Boot - Erich Stadler [Slides] [Code]
• Various ways to jOOQ - Klaus Unger Christoph Kober [Slides] [Code]

2022

December Meetup: 2022-12-05

• Logging Considered Harmful? - Sebastian Daschner [Slides] [Code]
• OpenTelemetry for Java - Philipp Krenn [Slides] [Code]

November Meetup: 2022-11-07

• JSF is still alive - Rudy De Busscher [Slides] [Code]
• Spring Boot µService + CI/CD @ Openshift - Stefan Zaufl [Slides] [Code TODO]

October Meetup: 2022-10-03

• Java under the Hood of Elasticsearch - Philipp Krenn [Slides TODO] [Code TODO]
• Look Ma', I made a Website!: Keycloak, Meetup, Quarkus, Wordpress - Dominik Dorn [Slides] [Code]

September Meetup> 2022-10-05

• Hexagonical Arch & Architecture Testing - Stephan Prantl [Slides TODO] [Code TODO]
• Securing Quarkus Apps with OIDC and Keycloak - Stephan Kraft TODO [Slides TODO] [Code TODO]

August Meetup: 2022-08-04

• Java Performance - Kirk Pepperdine [Slides TODO] [Code TODO]
• Hibernate/Blaze Persistence - Christian Beikov [Slides] [Code]

June Meetup: 2022-06-27

• Property-based testing with Java - Jan Stępień [Slides TODO] [Code TODO]
• log4Shell - Philipp Krenn [Slides TODO] [Code TODO]

May Meetup: 2022-05-30

• faster JVM start-up techniques - Ionut Balosin [Slides] [Code]
• Rust for Java developers - Stefan Baumgartner [Slides] [Code TODO]

April Meetup: 2022-04-25

• MapDB + OpenSource Career - Jan Kotek [Slides] [Code TODO]
• Using Kafka&Opensearch at Willhaben - Matthias Seidemann [Slides TODO] [Code TODO]

March Meetup: 2022-03-28

• Hibernate 6 - Christian Beikov [Slides] [Code TODO]
• Java/JakartaEE @ Azure - Ed Burns [Slides TODO] [Code TODO]

2021

November Meetup: 2021-11-15

• GraalVM: What's new, what's still great in GraalVM 21.3 - Gergö Barany [Slides TODO] [Code TODO]
• Distributed Performance Challenges - Andreas Grabner [Slides TODO] [Code TODO]

October Meetup: 2021-10-18

• Securing the Monolith with Keycloak - Marko Jurišić TODO [Slides TODO] [Code TODO]
• Whats new in Java - Dominik Dorn [Slides TODO] [Code TODO]

May Meetup: 2021-05-20

• Release early, release often! - Alexander Rothe TODO [Slides] [Code TODO]
• Spring tricks - Javid Asgarov [Slides] [Code TODO]
• Kubernetes Operators with Java - Donato Wolfisberg [Slides] [Code TODO]

2020

March Meetup: 2020-03-02

• Unbiased Allocation Profiling - Philipp Lengauer [Slides TODO] [Code TODO]
• Tracing for Java Developers - Philipp Krenn [Slides TODO] [Code TODO]

January Meetup: 2020-01-20

• From Akka Persistence to Factory Automation - Roland Kuhn [Slides TODO] [Code TODO]

2019

December Meetup: 2019-12-16

• Let's develop on Prod with Istio & Kubernetes - Bartosz Majsak [Slides TODO] [Code TODO]
• Blaze-Persistence GraphQL Support - Christian Beikov [Slides]] [Code TODO]]

November Meetup: 2019-11-25

• Lightweight Feature Environments with Spring Cloud + Kubernetes - Thomas Höfferl TODO [Slides TODO] [Code TODO]
• Apache Freemarker - Siegfried Göschl [Slides TODO] [Code TODO]

October Meetup: 2019-10-21

• Hazelcast Cloud - Richard Klavora [Slides TODO] [Code TODO]
• JPA + jOOQ + FlyWay - Thorben Janssen [Slides TODO] [Code TODO]

September Meetup: 2019-09-23

• Maximizing Performance with GraalVM: Java + Scala! - Thomas Wuerthinger [Slides TODO] [Code TODO]

June Meetup: 2019-06-24

• Spaß mit Microservices: Transaktionen - Lars Röwekamp [Slides] [Workflow Engines]
• Demystifying Java Language Features 9 - 11 - Ionut Balosin [Slides]

May Workshop: 2019-05-27

• Workshop: Getting started with OAuth 2.0 - Author [Slides TODO] [Code TODO]

March Meetup: 2019-03-25

• A BIM collaboration platform using Neo4j and JAVA microservices - Adam Eri [Slides TODO] [Code TODO]
• Project Quarkus: Kubernetes Native Java stack tailored for GraalVM - Dominik Dorn [Slides TODO] [Code TODO]

Februar Meetup: 2019-02-05

• It's all about the domain, honey - Fachliche Architektur für Java mit DDD - Henning Schwentner [Slides TODO] [Code TODO]

January Meetup: 2019-01-21

• Spring Boot: Autoconfiguration: Hintern den Kulissen - Marco Behler [Slides TODO] [Code TODO]
• Spring Boot: Testing - Erich Stadler [Slides TODO] [Code TODO]

2018

December Meetup: 2018-12-03

• Entity Views - Not your father's DTOs - Christian Beikov [Slides TODO] [Code TODO]
• Kickstart your Gatling Performance Testing - Siegfried Göschl [Slides TODO] [Code TODO]

October Meetup: 2018-10-05

• Cloud Native, Service-Meshed Java Enterprise With Istio - Sebastian Daschner [Slides TODO] [Code TODO]
• Bulletproof Java Enterprise Applications for The Hard Production Life - Sebastian Daschner [Slides TODO] [Code TODO]

September Meetup: 2018-09-17

• Vaadin 10 Roadshow - Building modern web apps in Java/strong> - Matti Tahvonen [Slides TODO] [Code TODO]
• Running Vaadin 10 on Play!Framework - Dominik Dorn [Slides TODO] [Code TODO]

June Meetup: 2018-06-25

• API on the leash - Lukas ??? TODO [Slides TODO] [Code TODO]
• Jakarta EE and the road ahead - Mark Struberg [Slides TODO] [Code TODO]

May Meetup: 2018-05-28

• Parallel and Asynchronous Programming with Streams and CompletableFuture - Venkat Subramaniam [Slides TODO] [Code TODO]

April Meetup: 2018-04-16

• Quick Overview of Spring Boot 1.x - Dominik Dorn [Slides TODO] [Code TODO]
• Springs' PetClinic with a Graph-Database (Neo4J) - Daniel Jahre [Slides TODO] [Code TODO]
• What's new in Spring Boot 2 - Dominik Dorn [Slides TODO] [Code TODO]

February Meetup: 2018-02-26

• Intro Akka-Streams - Daniel Pfeiffer [Slides TODO] [Code]
• AsciiDoc+PDF - Siegfried Göschl [Slides TODO] [Code TODO]
• Event-Sourcing w/ Play! & Akka - Dominik Dorn [Slides TODO] [Code TODO]

January Meetup: 2018-01-15

• The cool and the cruel of MicroServices [[German]] - Mark Struberg [Slides TODO] [Code TODO]

2017

October Meetup: 2017-10-23

• Play!@Craze - Peter Scheipl TODO [Slides TODO] [Code TODO]

June Meetup #2: 2017-06-26

• Intro to CrateDB: Distributed SQL & Search Database - Andrei Dan [Slides TODO] [Code TODO]
• Migrating from SQL to NoSQL: Remedying the Challenges of Migrating Oracle/Postgres/SQL to MongoDB/NoSQL - Marios Trivyzas [Slides TODO] [Code TODO]

June Meetup #1: 2017-06-12

• Camunda BPM - Stephan Pelikan [Slides TODO] [Code TODO]
• Getting started with Akka - Dominik Dorn [Slides TODO] [Code TODO]

May Meetup: 2017-05-08

• Event Sourcing using Akka on AWS [Daniel Pfeiffer] [Slides TODO] [Code]
• Source Dependencies with Maven and Gradle [Peter Palaga] [Slides TODO] [Code TODO]

April Meetup: 2017-04-03

• Continous Code Quality with the Sonar Ecosystem - Roman Pickl [Slides TODO] [Code TODO]

March Meetup: 2017-03-15

• Spring Boot under the hood - Nicolas Frankel [Slides TODO] [Code TODO]

January Meetup: 2017-01-16

• Model Driven Architecture & Design @ ING-DiBa

2016

December Meetup: 2016-12-05

• Microservices with the PlayFramework
• Tools of the Trade

November Meetup: 2016-11-14

• Blaze-Persistence for JPA
• Case Study: Spring Framework at Craftwork

October Meetup: 2016-10-10

• Intro to Kotlin
• JUnit 5

April Meetup: 2016-04-18

• What's new in Play Framework 2.5
• Lagom - the microservice framework

March Meetup: 2016-03-14

• Redis
• Groovy Scripting

2015

December Meetup: 2015-12-14

• NetRexx - human oriented language for the JVM
• PerfCake - Performance testing Martin Večeřa Pavel Macík [Slides TODO] [Code TODO]

October Meetup: 2015-10-12

• Se7en deadly deployment sins
• Smart Cloud Load Balancing

July Meetup: 2015-07-06

• AWS Deployment Mechanics [Workshop]

June Meetup: 2015-06-08

• Spring Boot
• One VM to rule them all (GraalVM)

May Meetup: 2015-05-11 (JSUG #70)

• Playframework 2.4, Akka-Persistence

April Meetup: 2015-04-20 (JSUG 69)

• Event Sourcing & CQRS

March Meetup: 2015-03-30 (JSUG 68)

• Apache Tapestry 5
• Java Server Monitoring