Dominika Tasarz
Senior Developer Advocate at Azul - Community & Ecosystem - Payara, Jakarta EE, OpenJDK
Worcester, United Kingdom
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With over 15 years in the Java ecosystem, I focus on growing and supporting global communities across the Java and Jakarta EE landscape. My work centers on creating opportunities for learning, collaboration and open source participation, helping individuals develop their skills, advance their careers and play a more active role in the Java community.
I have led educational initiatives, community programs and industry events that bring together developers, open source contributors and technology teams. A regular speaker at Java and open source conferences, I collaborate closely with Java Champions and ecosystem leaders to amplify community voices and encourage knowledge sharing.
As one of the original team members at Payara, I helped shape the company’s brand and grow its global user community from the ground up. Today, as a Senior Developer Advocate at Azul, I continue to support and strengthen communities around Payara Community Edition, Jakarta EE and OpenJDK, driving education and collaboration while bringing community insight back into the evolution of enterprise Java technologies.
Area of Expertise
Topics
The Crucial Role of Openness in Modern Software Development
Developers and providers of software-based products as well as other new technologies for the global market know that the winning solutions for future-proof projects share one key feature: interoperability with products from other suppliers. Achieving this interoperability means relying on open standards, open-source technologies and establishing key partnerships with other industry players.
In effect, openness principles are increasingly essential to software development. This talk will provide an in-depth analysis of how these concepts underpin interoperability, security and innovation in today’s technological landscape.
It will discuss the importance of open standards in creating seamless integration between diverse systems and applications, ensuring that technological advancements remain accessible and adaptable. The session will also cover key strategies and best practices for the adoption of open solutions that drive compatibility and competitiveness. Finally, by examining Jakarta EE and the Payara Community, the talk will illustrate how these frameworks exemplify the power of open source in building innovative, scalable and future-oriented applications.
Mastering the JUG-gle: What Java User Groups Can Teach Us About Growing Open Source Communities
Open source communities don’t grow by magic - they grow through people, consistency, and connection.
In this talk, we’ll look at what Java User Groups (JUGs) have taught us about the real challenges of building and sustaining a technical community: from geographical and cultural differences to collaboration gaps, and keeping momentum over time. Using lessons from experienced JUG organizers, we’ll highlight how strong local leadership, regular engagement, and a focus on people - not just code - can drive long-term growth in any open source community.
Whether you're running a meetup, managing an open source project, or trying to revive community interest, these insights will help you keep the JUG-gle going.
Invisible Impact: How Your Code Drives Business Value
You write code, ship features, fix bugs and improve performance or developer experience. Meanwhile, revenue, pipeline and strategy are tracked elsewhere.
But what if your work is already influencing all of those things?
Every time you choose a library, improve documentation or recommend a tool, you are shaping what gets adopted, trusted and ultimately paid for. Long before sales teams get involved, developers are already influencing which technologies gain trust inside organisations.
This talk examines the often invisible layer of software adoption, the part of technology business driven by code, community and developer experience, rather than sales outreach or paid marketing campaigns. It highlights why traditional metrics often fail to capture this influence, creating a blind spot in how organisations understand developer value.
The talk explores how to make developer impact more visible by connecting everyday engineering work to outcomes like lead generation, adoption, retention and long-term revenue. It demonstrates how to translate what you do into language the business understands, without needing to turn yourself into a marketer.
DIY Technical Marketing - Real World Tips For Building A Successful Developer Brand
Software development industry is getting more and more competitive - if you want to grow your skills and develop your career, being good at coding is not enough - you also need to build a strong personal brand. During this talk, we will dive into 6 key marketing strategies and practical techniques that will help you elevate your personal brand.
Using some real world examples collected over many years of working with Java developers, this talk will show you how to effectively communicate your skills and your unique value, expand your professional network, and how to leverage various platforms to showcase your expertise.
JCON EUROPE 2026 Sessionize Event
Jfokus 2026 Sessionize Event
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