A community for everyone who would like to share experiences about lightweight languages, tools, and frameworks from the Java or JVM family. A group for all those who would like to discuss the application of lightweight methods in product development, discovery, and operations with like-minded people, regardless of a technology background.

Over 100 events so far and counting ...

• Nov 4, 2025 – Full-Stack Java Development – Thomas Schilling, Simon Martinelli, Daniil Tsarev
• Jul 8, 2025 – Evening with Docker, GraalVM, Spring Boot & Spring Debugger – Dmitry Chuyko, Marco Behler
• Dec 4, 2024 – Fullstack Development with Vaadin – Bridging Frontends and Backends with Java – Sebastian Kühnau
• Sep 12, 2024 – Virtuelle Threads in Java 21 – Christian Schuster
• Jun 5, 2024 – AI Assisted Coding with GitHub Copilot – Boost your code – N/A
• Feb 29, 2024 – Einfache Berechtigungsverwaltung mit Open Policy Agent – N/A
• Jan 17, 2024 – Event Storming and Swift Interactive Meetup – Andrei Shakirin
• Nov 9, 2023 – Getting the most out of your Java – Kris Foster
• Sep 19, 2023 – Java 21 Launch Event – Live Stream – Mark Reinhold, Brian Goetz, Geoffrey De Smet, and others
• Jun 29, 2023 – Getting ready for Virtual Threads – Danish Nawab
• Jun 28, 2023 – Ein Vergleich von REST, gRPC & GraphQL – Sebastian Lohr
• May 11, 2023 – Architectural decisions: smoothly, consistently and good enough – Andrei Shakirin
• Mar 20, 2023 – Anatomie einer Hexagonalen Architektur – Otto and Sven (Comsysto Reply)
• Jan 31, 2023 – Distributed Systems. Common Design Mistakes. – Dmitry Ledentsov
• Nov 24, 2022 – Strangling The Monolith: Applied Patterns & Practices From The Trenches – Thomas Ploch
• Nov 16, 2022 – GraalVM Native Image Bootcamp – Kris Foster, Wolfgang Weigend
• Apr 12, 2022 – Splitting Monolith Application to Microservices: practical experience – Andrei Shakirin
• Mar 23, 2022 – Start hunting the bugs – Mutation Testing – Sven Ruppert
• Feb 24, 2022 – Vue.js für Java-Entwickler – Karsten Sitterberg
• Jan 20, 2022 – OpenJDK & Eclipse Adoptium – Hendrik Ebbers
• Dec 16, 2021 – Investigating the Performance of Reactive Libraries in a Quarkus Microservice – Denis
• Sep 23, 2021 – Frontend Architektur für Kubernetes – Thomas Kruse
• Jun 16, 2021 – Survival Guide for the Java Architect in the Cloud Era – Otavio Santana
• May 5, 2021 – NoSQL Endgame – Werner Keil, Thodoris Bais
• Apr 16, 2021 – Doubling Your Coding Speed – Tips & Tricks from the Fastest Java Developers – Victor Rentea
• Mar 3, 2021 – A Practical Guide to Oracle GraalVM Native Image – Kris Foster
• Jan 20, 2021 – Langlebige Softwarearchitekturen – ohne Schulden die Jahrzehnte überdauern – Dr. Carola Lilienthal
• Nov 5, 2020 – Cause of Death: Hibernate – Thorben Janssen
• Sep 24, 2020 – MicroFrontends für Microservices – Thomas Bröll, Marius Hilleke
• Aug 11, 2020 – Clean Code mit Fun und nicht cleanem Code aus 15 Jahren Software Entwicklung – Richard Fichtner
• Feb 3, 2020 – Event Storming, Good engineering – btw. business focus & technical excellence – Benjamin Nothdurft, Jacek Bilski
• Dec 3, 2019 – How serverless apps will impact the future of software architecture – Gojko Adzic
• Nov 21, 2019 – Microservice architectures with Spring Cloud – Nikolaus Lemberski
• Nov 4, 2019 – Webanwendungen mit MVC 1.0 und Eclipse Krazo & das eierlegende Truffleschwein – Tobias Erdle, Lars Hupel
• Oct 29, 2019 – Stream Processing Essentials with Hazelcast Jet: The World Beyond Batching – Emin Demirci
• Oct 9, 2019 – Java by Comparison – Jörg Lenhard, Linus Dietz, Simon Harrer
• Jun 5, 2019 – Building a self-driving RC car – Bert Jan Schrijver
• Apr 16, 2019 – “Serverless” Meetup – Thomas
• Mar 20, 2019 – Application Bazaar 2019 – Mohammed El Batya
• Mar 19, 2019 – JavaLand 2019 – N/A
• Dec 12, 2018 – Actor Model. Concurrency That Feels Like Home – Dmitry Ledentsov
• Nov 27, 2018 – IoT Data Solutions for Connected Cars – Dr. Andreas Schroeder, Kai Rusteberg, Dr. Lars Haferkamp, Riccardo Valentini
• Nov 14, 2018 – Serverless Computing: Das Projekt Fn – Peter Doschkinow
• Oct 17, 2018 – Java In-Process Caching – Progress, Performance and Pitfalls + Serverless – Jens Wilke, Thomas
• Sep 27, 2018 – JAVAPRO MEETUP-Reihe 2018 – Sven Ruppert, Peter Doschkinow, Markus Kett
• Jul 18, 2018 – OpenShift-Build-Pipelines: Build –> Test –> Run! – Tobias
• Jun 20, 2018 – Reaktive Programmierung mit Spring Boot und Project Reactor – Torsten Kohn
• May 16, 2018 – A craftsman’s guide to designing a clean architecture – Marcus Biel
• Apr 18, 2018 – Von Java EE zu containerisierten Microservices im Kubernetes Cluster – Peter Doschkinow
• Mar 21, 2018 – Autonomous Microservices – Denis
• Mar 13, 2018 – Javaland 2018 calling! – N/A
• Feb 22, 2018 – Hazelcast On-Spot Distributed Cloud Computing Conference – Christoph Engelbert, Vladimir Schreiner, Andy Gumbrecht, Andy Moncsek
• Nov 23, 2017 – Wie KI unsere Welt verändert – Dr. Jeremias Rößler
• Oct 25, 2017 – My task is ... (Gradle in Action) – Maciej Opała
• Oct 11, 2017 – Microservices, DDD and Event Sourcing in Spring Boot using Newton & Muon – David Dawson
• Aug 29, 2017 – Property-based testing: You won't look at your tests the same way ever again – Jan
• May 10, 2017 – Java Flight Recorder: The hidden arrow in your quiver – Daniel Mitterdorfer
• Apr 25, 2017 – Operational and Business Insights from Tracing Distributed Microservices – Juraci Paixão Kröhling, Karsten Kempe
• Mar 28, 2017 – Javaland 2017 – N/A
• Feb 21, 2017 – Java 9 Modularity and Project Jigsaw – Alexandru Jecan
• Dec 15, 2016 – Distributed Computing and Caching in the Cloud: Hazelcast and Microsoft – Christoph Engelbert, Vito Flavio Lorusso
• Nov 8, 2016 – Grundlegende Konzepte von Elm, React und AngularDart 2 im Vergleich – Mohammed El Batya
• Oct 25, 2016 – IODA – Ein Architekturmodell für bessere Evolvierbarkeit – Ralf Westphal
• Oct 11, 2016 – KPI und Metrik Management für DevOps – Matt Schabel
• Oct 10, 2016 – Discount for JAX London: The Conference for JAVA & Software Innovation – N/A
• Jun 16, 2016 – Ein Prozess lernt laufen: LEGO-Mindstorms-Steuerung mit BPMN – Oliver Hock
• Jun 8, 2016 – Devoxx UK – Free Ticket Raffle! – N/A
• Jun 2, 2016 – Geospatial Applications created using JavaScript – Tamas Piros
• May 13, 2016 – Angular JS Meetup – RxJs, Angular2 – Sekib Omazic, Johannes Weber
• Feb 25, 2016 – Writing Java EE microservices using WildFly Swarm – Heiko Braun
• Feb 18, 2016 – Caching and JCache with Greg Luck – Greg Luck
• Jan 14, 2016 – Practical Proxy Deep Dive – Sven Ruppert
• Dec 9, 2015 – Oracle Roadshow 2015: Microservices Technologie-Enabler von Oracle – Peter Doschkinow, Michael Bräuer
• Dec 1, 2015 – Docker – Teile und Herrsche – Benjamin Schmid, Dr. Ralph Guderlei
• Nov 25, 2015 – How to design a UI class library – Johannes Döbler
• Nov 13, 2015 – User Story Mapping with Jeff Patton – Jeff Patton
• Nov 12, 2015 – Free Ticket: Passionate Product Ownership – CSPO Training by Jeff Patton – Jeff Patton
• Nov 3, 2015 – Distributed Caching with JCache and Beyond – Talip Ozturk
• Oct 6, 2015 – Free Full Day NoSQL Training brought to you by Couchbase, Bigstep & comSysto! – N/A
• Sep 15, 2015 – Microservice-Deployment ganz einfach – Bernd Zuther
• Jul 16, 2015 – Hawkular – ein neues Server-Monitoring und -Management System. – Heiko W. Rupp
• Jul 8, 2015 – Virtualizing a high-traffic JAVA Application – Martin Stolz
• Jun 12, 2015 – DAHO.AM: Entwickler Konferenz am 12.06.15 – N/A
• Jun 11, 2015 – Java Virtual Machine Deep Dive – Daniel Mitterdorfer
• May 7, 2015 – Big Data Applications with Spring XD – Thomas Darimont
• Apr 23, 2015 – Training on Architecting for Continuous Delivery & Zero Downtime – Axel Fontaine
• Mar 10, 2015 – Microservices mit Spring Cloud & Big Performance Impact von Small Code Changes – Agim Emruli, Daniel Mitterdorfer
• Mar 3, 2015 – Big Data Community Alliance Meetup – Markus Schmidberger, Steffen Wax, Christopher Batey
• Feb 2, 2015 – Reaktive Webentwicklung mit Play und Scala – Tobias Neef
• Jan 28, 2015 – Modularization in Context with AngularJS + experience assembling a gulpfile.js – David Amend, Johannes Weber, Zlatko Đurić, Benjamin Neu, Sekib Omazic
• Jan 26, 2015 – Training on Architecting for Continuous Delivery and Zero Downtime with Axel – Axel Fontaine
• Dec 9, 2014 – Warum Scala Spass macht – Chris Wewerka
• Dec 2, 2014 – Running MongoDB on Docker + 2 Talks by Software Performance Meetup Group – Johannes Brandstetter, Alexandru Danciu, Alexander Reelsen
• Nov 18, 2014 – Apache Cassandra, Apache Spark & Machine Learning + leap forward SQL on Hadoop – Patrick McFadin, Claus Samuelsen
• Nov 12, 2014 – MongoDB Munich 2014 – MongoDB crew
• Sep 11, 2014 – Cassandra Summit live stream from San Francisco – Billy Bosworth, Jonathan Ellis
• Sep 10, 2014 – Apache Cassandra for SQL Developers – Maciej Miklas
• Feb 17, 2014 – Grünes Licht für Continuous Delivery – Bau dein eigenes Extreme Feedback Device – Bernd Zuther
• Feb 11, 2014 – Using elasticsearch, logstash & kibana to create realtime dashboards – Alexander Reelsen
• Feb 8, 2014 – Dart Flight School – N/A
• Jan 14, 2014 – UX Research, einmal ohne alle bitte! – Christina Eckleder
• Dec 13, 2013 – Cross-Meetup Christmas Special – N/A
• Dec 2, 2013 – Photon – The End Of App Deployment As You Know It, Axel Fontaine – Axel Fontaine
• Nov 26, 2013 – Boost your Java Enterprise Stack with MongoDB – Bernd Zuther, Christian Kroemer
• Oct 29, 2013 – Dartoween – Über Süßes und Saures – Christian Grobmeier
• Jun 6, 2013 – Neo4j Tutorial – N/A
• Apr 10, 2013 – Gradle & the new Android Build System – Gradle Core Developer