Speakers at Voxxed Days Thessaloniki 2025
Connect with 21 world-class speakers and industry experts
Athanasios Irodotou
I'm Thanos, a Senior Software Engineer team lead at XM.For the last 3 years I've been mostly losing my hair over performance testing and scaling of critical applications.As a developer, I'm really passionate about observability, "measuring all the things", and pushing for data driven decisions.Of course, I do enjoy the thrill of the occasional late Friday night deploy to prod!
Aurora Scharff
Aurora Scharff is a software developer and Microsoft MVP from Norway with a bachelor's degree in Robotics and Intelligent Systems. She has a solid foundation in engineering mathematics, robotics, algorithms, data structures, and computer architecture. Aurora began her career at a financial technology startup and now serves as a consultant at Crayon Consulting. She focuses on web development and has extensive experience in React and Next.js and active use of React Server Components.Aurora shares her knowledge through workshops, technical blog posts, social media, demo applications, and supporting fellow developers, and she regularly presents internationally at recognized conferences to contribute to the global developer community.
Devlin Duldulao
Devlin Duldulao is a dynamic tech professional blending engineering, authorship, mentoring, and community leadership. Whether it's through speaking at conferences, writing code and books, or championing modern practices like GraphQL and AI-enhanced search, he’s a go-to figure for cutting-edge, full-stack, and cloud development.
Dimitris Kiriakakis
Fullstack developer with 10+ years of experience, passionate about beautiful UIs, sustainability and super fast web applications.
Eoin Woods
Eoin Woods is an independent consultant in the fields of software architecture, green software and software engineering. He is formerly the CTO of Endava, where he was responsible for software engineering and capability development for over 10,000 delivery staff across the world. Prior to Endava he has developed databases, created security software and designed way too many systems to move money around. Outside his day job he is interested in software architecture, software security and sustainable (or "green") software. He is a regular conference speaker, has co-authored three books on software architecture and was the recipient of the 2018 Linda Northrup Award for Software Architecture, from the Software Engineering Institute at CMU. His web site is www.eoinwoods.info.
Harry Kimpel
Passionate software craftsman with 28+ 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.
Heinz Kabutz
Dr. Heinz Kabutz is a globally recognized Java Champion and the creator of the acclaimed Java Specialists' Newsletter, which has been read by thousands of advanced Java programmers worldwide. With a PhD in Computer Science and decades of hands-on experience, Heinz is renowned for his deep technical insights, particularly in the areas of Java concurrency, performance optimization, and advanced programming techniques. As a sought-after speaker, trainer, and consultant, he has delivered engaging talks and workshops at premier Java conferences and for leading companies around the globe. Heinz's practical, no-nonsense approach to Java programming has made him a trusted authority in the industry. (Wow, thanks ChatGPT!) https://www.javaspecialists.eu
Jamie Coleman
Jamie is a Senior Developer Advocate for Loqate formally at IBM & Sonatype, based in the UK. He has had the privilege to have spoken all around the world at developer conferences and is an organiser of London’s biggest developer community, the London Java Community.Passionate about discovering ways to help reduce developers carbon footprint, he is also a subject matter expert in containerised solutions and build technologies. He fell in love with coding at university and has gone on to talk at many conferences about using languages like Java with microservices and related technologies such as AI and software security. He has worked on a wide variety of projects such as modernising IBMs mainframe testing infrastructure, creating, and automating the creation of Docker images for IBM’s products and contributing to a DevOps pipeline offering.
Jonas Geiregat
I’m Jonas, a Software Developer with a keen focus on crafting robust Software Architectures in Java. I thrive at the crossroads of business and technology, always keeping a pragmatic perspective on both realms.
Josh Ndemenge
Josh is a Cloud Developer Advocate at Microsoft, focusing on Azure Data, particularly Microsoft Fabric and operational databases. He works closely with engineering teams to provide valuable product feedback and develops content and code that helps developers get the most out of these technologies. He is Passionate about empowering developer communities, sharing knowledge and fostering collaboration. His goal is to help developers leverage technology to innovate and succeed.
Kostas Stroggylos
Kostas is a principal software engineer with a solid experience of more than 20 years. He is currently fighting legacy and architecting novel software solutions at Kaizen Gaming. When not getting his hands dirty with code, riding his bike, sailing or hiking, he studies the sociotechnical aspects of complex systems and likes to challenge assumptions and existing practices. He is passionate about organizational agility and fast flow. He serves as a volunteer and committee member for Devoxx Greece, an organizer for Better Ways (ex Agile Summit) and co-organizes Domain Driven Design Greece meetup.
Loïc Magnette
Loïc Magnette is a seasoned software developer with a strong background in consulting. Currently a senior developer at Oniryx, he specializes in Java and Angular, delivering innovative solutions and sharing his knowledge as a speaker. As a co-organizer of the Belgian Java User Group (BeJUG), he fosters connections within the developer community. Outside of tech, Loïc’s passion for wildlife inspires his work and creativity.
Marit van Dijk
Marit van Dijk is a software developer with over 20 years of diverse experience across various roles and companies. As a Java Champion and Developer Advocate at JetBrains, she is passionate about building awesome software in collaboration with amazing people, and making developers’ lives better.Marit is committed to continuous learning and actively shares her expertise in programming, software development, testing, and test automation.Marit regularly presents at international conferences, participates in webinars, and appears on podcasts. Additionally, she writes blog posts and tutorials, creates videos, and is a contributor to the book “97 Things Every Java Programmer Should Know” (O’Reilly Media).
NIKHIL BARTHWAL
Nikhil Barthwal is passionate about building distributed systems. He has several years of work experience in both big companies & smaller startups and also acts as a mentor to several startups. Outside of work, he speaks at international conferences on several topics related to Distributed systems & Programming Languages. You can learn more about him via his homepage: www.nikhilbarthwal.com.
Panos Tsilopoulos
Panos Tsilopoulos is an engineering executive with a background in Artificial Intelligence, cloud infrastructure, platform and production engineering. Currently serving as the Director of Observability Platform Engineering at Nike, Inc., he leads the global strategy for ingesting and analyzing peta-scale consumers and systems' telemetry data to enhance digital services' resilience posture. Previously, he held leadership roles at U.S. Xpress Enterprises, building a coherent Developer Experience based on Platform Engineering principles. Did the startup dance for 5 years as a founding engineer at VidReach, pioneering B2B web-based video. Panos holds a master’s degree in computer science from Georgia Tech with a specialization in Artificial Intelligence and a bachelor’s in computer engineering from the International Hellenic University.
Piotr Przybył
Notorious engineer at work and after hours, tracing meanders of the art of software engineering. Remote Software Gardener, mostly working in web-oriented Java gardens. Java Champion. Testcontainers Champion. Programming usually in Java (since 1.3), Scala and Go, but in other languages too. Fan of agility, seen mostly as choosing the right tools and approaches after asking the right questions. Developer, trainer and conference speaker. In his talks, Piotr covers not only hardcore Java but also software architecture, computer security, and soft-skills.
Prerit Munjal
Prerit is working as the CTO of KubeCloud, an umbrella company with multiple products in the Cloud-Native Space, directing his expertise towards harnessing Cloud Native Technologies to design resilient architectures that can seamlessly scale, all while prioritizing technical cost, security, availability and end-user experience.
Scott Gerring
Hi! I’m Scott. I’ve worked as various exciting variants of a code-pusher since who-knows-when. These days I work as a Developer Advocate @ Datadog. I live in Switzerland in the rather scenic Berner Oberland.These days I focus on the technical foundations of software engineering - what does it take to build high-quality software, how can we best use our tools and languages, and how can an awareness of the lower levels of the stack help? I believe that knowledge of these foundational layers influences high-level design and engineering more than we often acknowledge, and I strive to make this understanding more approachable. I’m currently working primarily with Java, Rust, and eBPF.
Soroosh Khodami
Soroosh is a software engineer and software architecture enthusiast, passionate about building simple but impactful solutions. With over 10 years of experience in diverse domains, including Telecom, Media & Entertainment, and E-Commerce. He has worked with small startups and large enterprises serving 80 million active subscribers. Currently working as a Solution Architect at Rabobank via Code Nomads. Soroosh strongly believes in the power of collaborative learning and enjoys sharing his experiences and insights with other developers.
Viktor Gamov
Viktor Gamov is a Principal Developer Advocate at Confluent, founded by the original creators of Apache Kafka®. With a rich background in implementing and advocating for distributed systems and cloud-native architectures, Viktor excels in open-source technologies. He is passionate about assisting architects, developers, and operators in crafting systems that are not only low in latency and scalable but also highly available.As a Java Champion and an esteemed speaker, Viktor is known for his insightful presentations at top industry events like JavaOne, Devoxx, Kafka Summit, and QCon. His expertise spans distributed systems, real-time data streaming, JVM, and DevOps. Viktor has co-authored “Enterprise Web Development” and “Apache Kafka® in Action”. Follow Viktor on X - @gamussa to stay updated with Viktor’s latest thoughts on technology, his gym and food adventures, and insights into open-source and developer advocacy.
Vitaly Bragilevsky
Vitaly spent most of his career in academia, teaching students about computer science, programming languages, and software development. He authored Haskell in Depth, published by Manning Publications in 2021. Now, as a developer advocate at JetBrains, he continues to share his expertise in software development practices and tools.