J-World - DEVWorld 2025

Java World

THE NEW JAVA CONFERENCE WITH JAVA CHAMPIONS

27-28 february | Amsterdam

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  • Java, Kotlin
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Speakers & Topics

first release of speakers & topics
  • Photo of Marit van Dijk

    Marit van Dijk

    Developer Advocate at JetBrains

    97 THINGS EVERY JAVA PROGRAMMER SHOULD KNOW - co-author | With 20 years of software development experience in different roles and companies, Marit loves building awesome software with amazing people and making developers lives better. She enjoys learning new things as well as sharing knowledge on programming, software development, testing & test automation, and more. She has contributed to open-source projects like Cucumber and several other projects. Marit speaks at international conferences, in webinars, and on podcasts, writes blog posts and tutorials, and contributed to the book “97 Things Every Java Programmer Should Know” (O’Reilly Media).

  • Photo of Zachary Powell
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    Zachary Powell

    DevRel Manager at Vonage

    BUILDING A KOTLIN MULTIPLATFORM LIBRARY | With 15 years of Android development experience, Zachary moved into DevRel at the start of 2021. While turning to the dark side and moving into management he's still very passionate about Android and all things mobile!

  • Photo of Alisher Alimov

    Alisher Alimov

    Sr. Sys Engineer at NVIDIA

    REACTIVE ARCHITECTURE - THE NEED FOR SCALABILITY AND RESILIENCE | Dedicated software engineer with over 14 years of experience in the tech industry. Currently, working at Nvidia, where he focuses on cloud platform development, optimizing performance, and ensuring the scalability of complex systems.

  • Photo of Aicha Laafia

    Aicha Laafia

    Java Software engineer at Adservio

    BUILDING SUSTAINABLE SOFTWARE WITH JAVA | A member of the Moroccan Association of Computing Science, a Women Techmakers ambassador, and an IAmRemarkable facilitator.A Women Techmakers ambassador.

  • Photo of Elias Nogueira

    Elias Nogueira

    Sr. Principal Software Engineer at Backbase

    JAVA CHAMPION, MODERN TESTING TOOLS FOR JAVA | Oracle ACE Pro, Java Magazine NL Editor, and Senior Principal Software Engineer at Backbase helping people to deliver high-quality software.

  • Photo of Bakhtar Sobat
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    Bakhtar Sobat

    Android chapter lead at ABN AMRO

    BUILDING A KOTLIN ML MODEL | Social butterfly with love for Android, Music and Football.

  • Photo of François Martin

    François Martin

    Sr. Full Stack Software Engineer at Karakun

    JAVAFX CONTRIBUTOR - JAVA STREAMS POSSIBILITIES | Active open source contributor and co-author of the two open source JavaFX frameworks WorkbenchFX and PreferencesFX, an active member of the Swiss Testing Board and he participates in the working group of Advanced and Expert level at ISTQB. He is one of the authors of the upcoming ISTQB Security Test Analyst syllabus.

  • Photo of Mathieu Lamiot

    Mathieu Lamiot

    Engineering Manager at WP Media

    OBSERVABILITY IN PRACTICE | France-based tech-enthusiast engineer passionate about system design and bringing brilliant individuals together as a team. I dedicate myself to Tech & Engineering management, leading teams to make an impact, deliver value and accomplish great things.

  • Photo of Mihaela Gheorghe-Roman

    Mihaela Gheorghe-Roman

    Software Architect at Systematic

    JAVA'S CODE MAZE AND CODING CHALLENGES | Ph.D in artificial neural network algorithms, Assistant Professor at the University of Cybernetics and Informatics in Bucharest, she is a dedicated lead developer and architect who enjoys sharing her knowledge. JAVA'S CODE MADE AND CODING CHALLENGES | In her professional career, spanning over 12+ years, she worked for telecom and defence domains with a focus on Java, Spring Boot, C, C#, Scala and Angular. Apart from her passion for programming, she loves parrots, she is enthusiastic about traveling the world and doing a lot of sports, from running at marathons, martial arts and to different aerobic trainings.

  • Photo of Rick Ossendrijver

    Rick Ossendrijver

    Java Platform Team at Picnic

    HIGHLY PRODUCTIVE TECH TEAMS WITH STANDARDIZED AND CENTRALIZED SOLUTIONS | Software Engineer at Picnic, a fast-growing online supermarket. He is part of the Java Platform team, which supports over 300 engineers within the company. Rick is a committer and enthusiast of the Error Prone project. Moreover, he is passionate about improving software quality through static analysis and automation, and works on Picnic's open-source Error Prone Support project.

  • Photo of Peter Eijgermans

    Peter Eijgermans

    Ordina, JSRoots, JTech, position: CodeSmith and Google Developer

    DUTCH JAVA MAGAZINE | Medium and DZone | Peter Eijgermans is a long-time software developer and an adventurous and passionate CodeSmith Frontend at Sopra Steria. He likes to travel around the world with his bike. Always seeking for the unexpected and unknown. For his job he tries out the latest techniques and frameworks. He loves to share his experience by speaking at conferences all over the World and writing for the Dutch Java magazine, Medium and DZone. He believes that you as the front-end developer are the spider in the web to bring the user, the team and the product together.

  • Zachary Powell

    Building a Kotlin Multiplatform Library in 10 Minutes.

    By Zachary Powell

  • Mathieu Lamiot

    Observability in practice, so that issues have nowhere to hide

    By Mathieu Lamiot

  • Aicha Laafia

    Building Sustainable Software with Java: Tips & Techniques

    By Aicha Laafia

  • Elias Nogueira

    Modern Testing Tools for Java Developers

    By Elias Nogueira

  • François Martin

    What you can do with Java Streams!?

    By François Martin

  • Bakhtar Sobat

    Building a Kotlin ML Model

    By Bakhtar Sobat

  • Marit van Dijk

    Debugging with IntelliJ IDEA

    By Marit van Dijk

  • Alisher Alimov

    Reactive architecture

    By Alisher Alimov

  • Mihaela Gheorghe-Roman

    Unlocking Java's Code Maze

    By Mihaela Gheorghe-Roman

  • Rick Ossendrijver

    Moving Fast and Staying Aligned: How Automation Powers Progress

    By Rick Ossendrijver

  • Peter Eijgermans

    Driving Effective Software Solutions: DDD, Micro Frontends and AI

    By Peter Eijgermans

Experts, Releases and Updates from..

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