Java World

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  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).
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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!
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  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.
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  Aicha Laafia

  Java Software engineer at Havana

  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.
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  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.
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  Bakhtar Sobat

  Android chapter lead at ABN AMRO

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

  Sr. Full Stack Software Engineer at Karakun

  François Martin is a senior full stack software engineer at Karakun AG, living in Switzerland. He is an 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.
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  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.
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  Mihaela Gheorghe-Roman

  Software Architect at Systematic

  Mihaela is a Software Architect at Systematic, Romania. 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. 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.
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  Rick Ossendrijver

  Software Engineer in Picnic's Java Platform team

  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.
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  Peter Eijgermans

  Sopra Steria, CodeSmith, Architect 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.
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  Gbonjubola Adelokun

  Senior Software Engineer @Netflix

  Gbonhubola has extensive experience in Banking, Fintech, and Entertainment. Gbonhubola began a career as an application developer at one of the leading African banks, honing skills in building robust financial applications. Transitioning to Fintech, Gbonhubola adapted to the fast-paced startup environment, blending development with strategic tech planning. Currently, as a Partner Engineer in the Entertainment sector, Gbonhubola acts as a solution architect interfacing with partners across EMEA, sharing best practices and designing seamless integrations. Gbonhubola leads key technical projects and ensures smooth and efficient collaborations. Throughout the career, Gbonhubola has demonstrated adaptability and innovation, thriving in both startup settings and large tech enterprises. The diverse experience equips Gbonhubola with a unique perspective and the capacity to deliver excellence in various technological environments.
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  Usama Nasir

  Software Architect @GetYourGuide

  Usama is a Software Architect at GetYourGuide, leading the Supplier Tech architecture. He builds systems that help suppliers connect with millions of travelers worldwide. Usama is passionate about improving system design and creating simple, easy-to-maintain solutions.
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  Ľuboš Petrovič

  Developer Advocate

  Ľuboš Petrovič is a Developer Advocate at Netgrif, where he combines deep technical expertise with a passion for bridging the gap between software development and real-world business challenges. He holds a degree in applied informatics engineering with a specialization in modelling event-based systems, and Prof. Gabriel Juhás mentored him. As one of Netgrif’s first employees since 2018, Ľuboš has been instrumental in shaping the company’s direction. He serves as a Sales Engineer and Tech Lead, leveraging his strong background in software development to drive innovation. With over seven years of hands-on software development experience, he has played a key role in building enterprise-grade applications and contributing to the development of Netgrif’s cutting-edge process automation platform. Passionate about technology, digitization, and automation, Ľuboš thrives on pushing the boundaries of what software can achieve. Having spent his entire career immersed in the tech world, he is dedicated to empowering developers, sharing knowledge, and advocating for transformative software solutions.
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  Harry Kimpel

  Principal Developer Relations Engineer EMEA

  Passionate software craftsman with 25+ years experience in a broad spectrum of development technologies and platforms. Main focus on cloud-native software architectures and all major cloud environments. Passion for model-driven development, application modernization and Dapr. Observing and securing these environments are key aspects.As a Developer Relations Engineer at New Relic, Harry helps software engineers, DevOps, SREs and operations experts to understand and implement proactive and scalable observability practices by leveraging open source technologies and the New Relic platform.
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  Aaron Presley

  CTO

  Aaron Presley has led the development of global-ready codebases at companies like Nike, Fetch.com, and others. He’s currently CTO at OnPurpose Studio where he helps software companies architect services that are ready to scale to any region and language.

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  Building a Kotlin Multiplatform Library in 10 Minutes.

  By Zachary Powell
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  Building Sustainable Software with Java: Tips & Techniques

  By Aicha Laafia
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  Modern Testing Tools for Java Developers

  By Elias Nogueira
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  I Didn’t Know You Could Do That With Java Streams!?

  By François Martin
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  Garbage Collection in Modern Java Applications: GC considerations for microservices

  By Usama Nasir
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  Building a custom ML Model: Categorizing Banking Transactions for Financial Insights

  By Bakhtar Sobat
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  Debugging with IntelliJ IDEA

  By Marit van Dijk
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  Reactive architecture

  By Alisher Alimov
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  Unlocking Java's Code Maze

  By Mihaela Gheorghe-Roman
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  Moving Fast and Staying Aligned: How Automation Powers Progress

  By Rick Ossendrijver
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  Object-centric processes - combining process modelling with OOP

  By Ľuboš Petrovič
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  Driving Effective Software Solutions: DDD, Micro Frontends and AI

  By Peter Eijgermans
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  Tracing event-based systems with OpenTelemetry

  By Harry Kimpel
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  Building Success: The Imperative of Partner Engineering and Robust Design in Software Implementation

  By Gbonjubola Adelokun
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  public static void main 🎶

  By Hanno Embregts , Marit van Dijk

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