Session submitters

Aleksandar Stoisavljevic--Software architect

Aleksandar StoisavljevicSoftware architect

Aleksandar is accomplished individual with a strong background in Java (20+ years in IT business). He believes in the power of the Internet, have a desire to learn more and to also be involved in its future development. Goal oriented, analytical and sharp individual with a lot of energy and also spread that inspiration among his co-workers. Coming from city of Novi Sad, one of the biggest IT development center in Serbia, Aleksandar has been working in various environments. His professional career starts as desktop application developer using Delphi IDE. In 2007. joins international company Levi9 as Java Web developer. As from 2015. actively learning and helping clients to prepare and adopt for The Cloud. In 2017. joins NovaCode d.o.o. where he works nowadays as Software Architect. In private life husband, father of 2: a boy and a girl, likes to play table tennis.

Aleš Justin--Software Engineer

Aleš JustinSoftware Engineer

Aleš Justin is an old-school JBoss-ian who is currently working on Quarkus and its various integrations, from gRPC, Kafka to OpenTelemetry.
Red Hat
Amedea Derenda Mujezinovič--UX Expert

Amedea Derenda MujezinovičUX Expert

Senior user experience designer, who firmly believes that the discovery phase is the basis for quality digital products. For almost 7 years she has been planning medical applications and back-end systems at Slovenian startup company MESI. Lately, she has been focusing on the design of complex systems and business applications. At Kaldi she works with Krka, Loftware/NiceLabel, Neuron and others.

As an active member of the Slovenian UX community, she organizes and leads the Slovenian edition of Global Service Jams and the monthly event SD x UX Drinks.

Anže Sodja--Senior software engineer

Anže SodjaSenior software engineer

After several years as a backend engineer, I switched from writing web services and dealing with cloud infrastructure to build tools. Now I work on the Gradle build tool, trying to make builds easier and especially faster.

Modern Gradle
Boris Cergol--Regional Head of Data

Boris CergolRegional Head of Data

Boris Cergol is currently Regional Head of Data at Endava. Earier in his career he was working as a researcher in both academia and industry and co-founded a company specializing in data science services. He has 10+ years of experience dealing with peculiarities of applied machine learning and building teams capable of implementing ML focused projects. He is currently also serving as an executive board member of the initiative AI4Slovenia and is sometimes mentoring companies in the Techstars Montréal AI Accelerator.

From language models to intelligent agents
Daniel Kec--Software developer

Daniel KecSoftware developer

Daniel has been a Java Developer for fifteen years now. Currently working at Oracle on the Helidon project which enabled him to tinker with the coolest open-source technologies. While working on Reactive Operators, Reactive Messaging and Long Running Actions for Helidon was fun, working with Loom features opens another chapter for otherwise passionate reactive devotee.

Virtual Threads in action!
David Vlijmincx--Software consultant

David VlijmincxSoftware consultant

I am a full-time developer since 2018 but I’ve been writing software and using Java for much longer.

I develop software in Java to help businesses, customers, and end-users to achieve more. I have developed applications for multiple industries, including banking, insurance, and maritime. Currently, I am working as a Java software consultant.

Introduction and pitfalls of Java's new concurrency model
Team Rockstars IT
Etien Rožnik--Technology lead

Etien RožnikTechnology lead

Etien started his professional career around 2010. At the beginning of his career he worked for a small company located in his home town - Koper, after a few years he wanted harder challenges, challenges that at that time weren't available near his home town. That's when Etien started to look for job opportunities in the Slovenian capitol where he eventually found the company he is still working at as a technology lead - Sportradar.

Deploying apps the GitOps way with ArgoCD
Gavin King--Senior Distinguished Engineer

Gavin KingSenior Distinguished Engineer

Gavin King is a Distinguished Engineer at Red Hat. He is the creator of Hibernate, a popular object/relational persistence solution for Java, the Ceylon programming language, and the Seam Framework, an application framework for enterprise Java. He's contributed to the Java Community Process as JBoss and then Red Hat representative for the EJB and JPA specifications and as spec lead and author of the CDI specification.

Gavin now helps lead the Quarkus project, focusing on data access technologies and developer usability experience.

Hibernate ORM, 20 years later
Helber Belmiro--Software Engineer

Helber BelmiroSoftware Engineer

Helber helps professional Java developers design and implement APIs that are easy to evolve and upgrade so they can write maintainable software and stay up-to-date with technology. He loves Java and Open Source and has been working on developing frameworks since 2014. Currently, he works at Red Hat as a Software Engineer contributing mainly to the open source projects Kogito and CNCF Serverless Workflow.

Jernej (J.K.) Kaše--Senior Partner Cloud Engineer

Jernej (J.K.) KašeSenior Partner Cloud Engineer

Jernej (J.K.) Kaše is a Senior Partner Cloud Engineer at Google. He has ten years of experience working for hyperscalers, in addition to more than a decade of prior experience in the tech industry.

J.K. has held various positions in software development, partner engineering, partner business development and go-to-market, and even founded his own IT company at some point. As a passionate innovator, J.K. helps businesses grow and improve their outcomes with data and technology.

J.K. is an active member of the community; he has spoken at numerous conferences and events in the UK, Europe, Middle East and Africa.

In his spare time, J.K. enjoys hiking, plucking the guitar strings, and spending time with his family.

Johan Janssen--Software architect

Johan JanssenSoftware architect

Johan is working as an architect at ASML. He has been working for various demanding companies where rapidly delivering high-quality software was very important. Johan regularly writes articles for InfoQ and Java magazines, mainly around Java. He spoke in 20 countries at more than 40 different conferences such as JavaOne, GOTO, Devoxx, JavaZone, J-Fall, J-Spring, Jfokus and JavaLand. Johan received the JavaOne Rock Star and Oracle Code One Star awards.

Juarez Barbosa Junior--Senior principal developer evangelist

Juarez Barbosa JuniorSenior principal developer evangelist

I’m Juarez Junior, Senior Principal Java Developer Evangelist - Oracle. ☕️? Previously, an Azure Developer Relations Lead at Microsoft, a Principal Developer Advocate - Blockchain at Oracle, and a Thought Leader and Technical Evangelist at IBM. I have 27 years of professional experience in Software Engineering and Developer Relations, mainly as a Software Architect, Software Engineer, and Developer Advocate.

I focus on developing new code samples, hands-on labs (Oracle LiveLabs), workshops, demos, content (blog posts, videos) highlighting developer tooling and various Java-related and Open-Source projects, and participation in technical conferences and meetups. https://juarezjuniorgithub.github.io/ https://linktr.ee/juarezjunior

Jure Repe--Software Engineer

Jure RepeSoftware Engineer

Jure is a Software engineer, currently working at Outfit7 Group, where he is part of the Backend Platform team. Alongside his teammates, he is responsible for making sure that the backend developer platform, tooling and services stay up to date with the latest and greatest industry standards. Mostly, he spends his days writing code in Kotlin and Java and dealing with all the fun and not-so-fun issues of software development.

Kliment Ratkushinoski--Developer

Kliment RatkushinoskiDeveloper

My name is Kliment Ratkushinoski and I am a backend-devolper currently living in Padua, Italy. I have a degree in engineering from the University of Padua.

I have 7 years of experience as software developer and have worked always in medium-sized companies. I usually develop in Java, but in the last year I have also started using Kotlin.

I’m curious, and I enjoy work that challenges me to learn something new and stretch in a different direction. I love building things.

Marko Lukša--Software engineer

Marko LukšaSoftware engineer

Programming professionally for over 20 years, wrote the book Kubernetes in Action (sold over 16.000 copies), currently working on Istio and related technologies, most experienced in Java, also write Go; previously wrote in wide range of languages; full-stack knowledge (from optimizing databases to UI/UX stuff).
Red Hat
Markus Kett--CEO

Markus KettCEO

Markus and his team have been working on IDE tools for Java and database development for almost 20 years. He is the product owner of the RapidClipse IDE project, which is a free Eclipse distribution and visual Java IDE. Markus is co-founder and CEO at MicroStream, editor-in-chief for the free JAVAPRO magazine in Germany, and organizer of the Java conference JCON. He is an independent editor for several magazines, and a speaker at many developer conferences, user groups, and meetups.

Michele Mauro--Developer

Michele MauroDeveloper

A passionate developer from more years that I'm willing to admit, I've seen computers, software, tools and methods of many different sizes. Some of them I recall fondly, some I try to stay very away from. Since I love to talk and hear others talk about computer science and programming, I've been (as attendee or organizer) to many conferences, user groups, university classes and meetups, and spoke in some of them about my experiences and opinions. I usually work in Java, recently started doing some Kotlin, and had the luck of writing some Scala in the past. A few months per year a bunch of students call me "professor". I am happy the most when my work makes others work less and better.

Browncoat, Umbrella academic, He/Him.

Nicolas Fränkel--Developer advocate

Nicolas FränkelDeveloper advocate

Developer Advocate with 15+ years experience consulting for many different customers, in a wide range of contexts (such as telecoms, banking, insurances, large retail and public sector). Usually working on Java/Java EE and Spring technologies, but with focused interests like Rich Internet Applications, Testing, CI/CD and DevOps. Also double as a trainer and triples as a book author.

Practical introduction to OpenTelemetry tracing
Chopping the monolith
Oto Brglez--Engineering Manager

Oto BrglezEngineering Manager

Oto Brglez is an experienced software architect, engineering manager and consultant that helps companies build and evolve their products from zero to world dominance. His passion revolves around web applications involving large quantities of fresh data that can be rangled into new and exciting products.

Ogrodje / OpenBlend
Philipp Krenn--Developer advocate

Philipp KrennDeveloper advocate

Philipp lives to demo interesting technology. Having worked as a web, infrastructure, and database engineer for over ten years, Philipp is now a developer advocate and EMEA team lead at Elastic — the company behind the Elastic Stack consisting of Elasticsearch, Kibana, Beats, and Logstash. Based in Vienna, Austria, he is constantly traveling Europe and beyond to speak and discuss open source software, search, databases, infrastructure, and security.

Roman Naglič--Software architect

Roman NagličSoftware architect

Developer Advocate with 15+ years experience consulting for many different customers, in a wide range of contexts (such as telecoms, banking, insurances, large retail and public sector). Usually working on Java/Java EE and Spring technologies, but with focused interests like Rich Internet Applications, Testing, CI/CD and DevOps. Also double as a trainer and triples as a book author.

Salman Rana--Software developer

Salman RanaSoftware developer

Salman is a software developer on IBM's runtimes team developing JVM/GC technology. Additionally, he's involved in open-source JVM development with contributions to the Eclipse OpenJ9 and Eclipse OMR projects. Salman has worked on GC technology for over 5 years, and has been involved in various improvements and performance optimizations; including concurrent collector development, deep object graph traversal optimizations, implementation of adaptive GC threading and reworking barriers to improve GC pause-times.

Stéphane Épardaud--Principal Software Engineer

Stéphane ÉpardaudPrincipal Software Engineer

From deep into the Nice mountains, Stéphane works for Red Hat on the Vert.x and Quarkus projects. Passionate hacker in Java, C, Perl or Scheme. A web standards and database enthusiast, he implemented among other things a WYSIWYG XML editor, a multi-threading library in C, a mobile-agent language in Scheme (compiler and virtual machines), and some Web 2.0 RESTful services and rich web interfaces with JavaScript and HTML 5. Eager to share, he is a frequent speaker at various conferences such as the Scheme Workshop, Nice University, Devoxx, JavaOne, JavaZone, JAX, many Java User Groups as well as the Riviera Java User Group he co-leads. A long-time open-source user and advocate, he worked on Ceylon, RESTEasy, Redpipe, Reactive Contexts, jax-doclets, stamps.js and various Play! Framework modules. He is also co-creator of the Riviera DEV conference. He now works full time on various Vert.x and Quarkus projects for Red Hat.

Tanja Obradović--Program manager

Tanja ObradovićProgram manager

Tanja Obradović is the Jakarta EE Program Manager at the Eclipse Foundation. Having been involved with Java and Java EE for quite some time, with various companies and in various roles (development, consulting, management) revitalizing Enterprise Java with Jakarta EE open source specifications, making it relevant and the technology of choice for cloud-native application development is my particular interest.

Tom Hoeken--Developer

Tom HoekenDeveloper

Tom is a Java Developer with a penchant for seeing things fall apart and finding out why. He's currently looking into the amazing but sometimes fragile world of microservices.

Security: An Inconvenient Truth
GROUP9 Elite.Java.Development
Urban Zaletel--SIOUG

Urban ZaletelSIOUG

Urban and his team are long time organizers of the MakeIT conference and before that SIOUG conference. Urban is research and development director at S&T Iskratel.

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