Devnexus 2026

Advancing with Java

Rodrigo Graciano

Rodrigo Graciano is a Java Champion with over 15 years of software development experience and a Director at BNY. He is also a senior member and a leader in the NYJavaSIG, the Java User Group from NY. He is a frequent speaker at JUGs and conferences such as Devnexus, JavaOne, KCDC, and TDC Brazil.

Chandra Guntur

Chandra is a technologist in the financial services industry since 2003 and is programming with Java since 1998. Chandra was selected as a 2019 Java Champion. He is a Java User Group (JUG) Leader, and helps run one of the largest Java user groups, NYJavaSIG and a founder-leader at the Garden State JUG. Chandra conducts code workshops and Code Katas on core Java features. He is a frequent speaker at Java user groups, and technology conferences including Oracle CodeOne, Oracle Code NY, QCon New York, Devnexus, DawsCon and GIDS India. https://github.com/c-guntur/current-abstracts/blob/master/AboutChandraGuntur.adoc

AI for Entrepreneurs: Turning Bold Ideas into Global Ventures

Ernesto Spruyt

Ernesto - Entrepreneur, CEO, and Advocate for Global Tech Talent. He is the driving force behind Tunga, a platform connecting African tech talent with forward-thinking companies worldwide. With a keen interest in psychology, culture, and what motivates people, Ernesto’s journey spans Europe’s corporate environments to Africa’s tech landscapes.

Back to the Future of Software: How to Survive the AI Apocalypse with Tests, Prompts, and Specs

Baruch Sadogursky

Baruch Sadogursky (@jbaruch) did Java before it had generics, DevOps before there was Docker, and DevRel before it had a name. He started DevRel at JFrog when it was ten people and took it all the way to a successful $6B IPO by helping engineers solve problems. Now, Baruch keeps helping engineers solve problems, but also helps companies help engineers solve problems. He is a co-author of the "Liquid Software" and "DevOps Tools for Java Developers" books, Java Champion and CNCF Ambassador alumni, serves on multiple conference program committees, and regularly speaks at numerous most prestigious industry conferences, such as...

Leonid Igolnik

Leonid is a technologist blending product development, product management, and product operations at scale. In his last role as a Vice President of Engineering with CA Technologies, he was responsible for product development of SaaS applications for the Enterprise Security space. He has spent his entire professional career building online applications, starting at one of the earliest internet service providers in Israel. Leonid first started building large-scale Java applications in 2002 while working at the 2nd-largest domain registrar at the time, Tucows/OpenSRS, where he led the platform team. Subsequently, he held several technology leadership roles with companies in Canada and...

Beyond Code: Behavioral Architecture (Small Changes, Big Wins)

Sandeep Adinarayana

Sandeep Adi is a Senior Director of Engineering at ADP, where he has the privilege of leading the engineering teams behind the HR and Payroll technology roadmap for WorkforceNow, ADP's flagship HCM platform serving millions of users globally. With over 20 years of software industry experience, Sandeep continues to explore how the principles that create championship sports teams (collaboration, trust, and shared accountability) might serve as behavioral foundations for transforming engineering teams. At ADP, Sandeep works alongside talented developers to advance innersourcing initiatives and founded the ADP Software Crafters meetup to foster shared learning across the organization. His approach to...

Black Friday Brilliance: Managing a Billion Transactions with Tech, Tactics, and Teamwork

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...

Bootiful Spring Security

Josh Long

Josh (@starbuxman) has been the first Spring Developer Advocate since 2010. Josh is a Java Champion, author of 7 books (including "Reactive Spring") and numerous best-selling video training (including "Building Microservices with Spring Boot Livelessons" with Spring Boot co-founder Phil Webb), and an open-source contributor (Spring Boot, Spring Integration, Axon, Spring Cloud, Activiti, Vaadin, etc), a Youtuber (Coffee + Software with Josh Long as well as my Spring Tips series ), and a podcaster ("A Bootiful Podcast").

Rob Winch

Rob Winch is employed by Broadcom as the Spring Security project lead. In the past he has worked in the health care industry, bioinformatics research, high performance computing, and as a web consultant. When he is not sitting in front of a computer he enjoys cycling with friends.

BoxLang vs the World : From zero to stable in 20 months

Luis Majano

Luis Majano is a Computer Engineer, published author, founder, and CEO of Ortus Solutions, Corp (www.ortussolutions.com), a consulting firm specializing in open-source tooling, web development, architecture, and professional open-source. He has been designing and working with software architecture and technologies since the year 2000. He has a passion for learning and mentoring developers so they can succeed with sustainable software practices and the usage and development of open-source software. He created the BoxLang JVM Language, ColdBox HMVC, ContentBox Modular CMS, TestBox BDD, CommandBox CLI, and over 200 open-source projects. He speaks regularly at several international conferences, and you can read...

Brad Wood

Brad grew up in southern Missouri and after high school majored in Computer Science with a music minor at MidAmerica Nazarene University (Olathe, KS). Today he lives in Kansas City with his wife and three girls. Brad enjoys all sorts of international food and the great outdoors. He enjoys configuring and performance tuning high-availability Windows and Linux ColdFusion environments as well as SQL Server. Brad is the ColdBox Platform developer advocate at Ortus Solutions, lead developer of the CommandBox CLI, and Senior Architect of BoxLang.

Breaking the Monolith Mindset: Hexagonal Architecture vs Traditional Layers in Java

Emmanuel Guzmán

Software engineer with over 9 years of experience in Oracle technologies and software development. I began my career in infrastructure and middleware, specializing in high-availability environments, virtualization, security (SSL), and application servers. Since 2020, I have fully focused on software development, working with Java and Oracle APEX. In addition, I am co-founder of the Costa Rica Java User Group and creator of the blog oracle-max.com, where I share knowledge with the community. My passion for continuous learning led me to become part of the Oracle ACE program as an Oracle ACE Pro, and I am always eager to explore new...

Jorge Cajas

Java developer since 2011, Speaker since 2012 Guate-JUG Co-leader and JConf Guatemala organizer Oracle Duke Choice Award winner in 2016 with Guate-JUG

Building Engineers or Teaching Technicians?

Jonathon Graf

Jon Graf helps people solve problems! Over the last nine years as a Software Consultant he has focused on helping organizations get unstuck. Whether the problem is transitioning your organization to the cloud, building high functioning teams, updating legacy systems, or building training programs for new technologies; he has done it. He has a bias towards action, and wants to bring others along for the ride.

Building Trustworthy and Reliable LLM Applications

Alex Soto

Alex Soto is a Developer Advocate at IBM. He is passionate about the Java world and software automation and believes in the open-source software model. Alex is the co-author of Manning and O'Reilly books Testing Java Microservice, Quarkus Cookbook, Kubernetes Secrets Management, GitOps Cookbook, RHCE Ansible Automation Study Guide, Applied AI for Enterprise Java Development, and AI Agents with Java. A Java Champion since 2017, he is also an international speaker (Devoxx, KubeCon, DevNexus, JavaOne, JavaLand, ...) and teacher at Salle URL University. You can follow him on Twitter (@alexsotob) to stay tuned to what’s happening in Java.

Markus Eisele

Markus is a Java Champion, former Java EE Expert Group member, founder of German JavaLand, reputed speaker at Java conferences around the world, and a very well known figure in the Enterprise Java world.

Caching Unleashed: Revolutionizing Java Performance

Markus Kett

Markus and his teams have been working on IDE tools for Java and database development, as well as various open-source projects for 20 years. Markus is CEO and co-founder of MicroStream, the company behind the Eclipse open-source projects EclipseStore, Eclipse Serializer, and RapidClipse IDE. He is also the editor-in-chief for the free JAVAPRO magazine in Germany and the founder and co-organizer of the Java community conference series JCON. He is an independent editor for several magazines, and a speaker at numerous international developer conferences, user groups, and meetups.

Clear up Messy Code with Refactoring Maneuvers in IntelliJ IDEA

Ted M. Young

Java technical coach, trainer, and learning designer.

Code Your Way to Quantum-Safe Development by Solving Tomorrow’s Encryption Crisis

Barry Burd

Barry Burd is a Mathematics and Computer Science Professor at Drew University in Madison, New Jersey, US. He's the author of several books, including "Java For Dummies", "Quantum Computing Algorithms", and with Michael McCarthy, "Concise Guide to the Internet of Things". In 2020, he was named a Java Champion.

Debugging with IntelliJ IDEA

Anton Arhipov

Anton is a Developer Advocate at JetBrains, working with Kotlin, IntelliJ IDEA, and AI-driven developer tools. With a background in server-side development, he has spent over a decade building software for developers. A Java Champion since 2014, Anton speaks at conferences, shares insights on the Kotlin YouTube channel, and enjoys exploring new ideas in programming languages, AI-powered tooling, and developer workflows. He’s always experimenting with new tech, looking for ways to make coding more efficient and enjoyable.

Deep dive into data streaming security

Olena Kutsenko

Olena is a Staff Developer Advocate at Confluent and a recognized expert in data streaming and analytics. With two decades of experience in software engineering, she has built mission-critical applications, led high-performing teams, and driven large-scale technology adoption at industry leaders like Nokia, HERE Technologies, AWS, and Aiven. A passionate advocate for real-time data processing and AI-driven applications, Olena empowers developers and organizations to use the power of streaming data. She is an AWS Community Builder, a dedicated mentor, and a volunteer instructor at a nonprofit tech school, helping to shape the next generation of engineers. As an international speaker...

Delivering Value through Software: A Practical Guide for Tech Leads

Sujith Paul

Sujith Paul is a Lead Consultant at Terazo, responsible for the architecture, design and delivery of software solutions on client engagements. His previous experiences include working on cloud migrations, enterprise application modernizations and agile transformations. He prefers to use Java, Spring, Go, AWS, Docker and Terraform in his projects. He is passionate about XP, software craftsmanship and mentoring. Away from the computer, Sujith enjoys live music, craft beer and being out in the nature on a walk or a bike.

Developer Career Masterplan: 15 steps to grow beyond senior developer

Bruno Souza

Since 1995, Bruno helps Java developers design amazing careers and work on cool projects with great people! Java Evangelist and a Java Champion, Bruno is the founder and President of SouJava, the Brazilian Java Users Society. He also represents the group on the JCP Executive Committee. Bruno discusses Java and the Developer Career in the https://code4.life/ project.

Developer Experience != Developer Productivity

Jeremy Meiss

Jeremy is an international speaker and is currently the Director of DevRel at OneStream Software, previously at CircleCI, Solace, Auth0, and XDA. With almost 30 years in Tech, covering just about every functional area, including support, system and database administration, application and web development, project management, program management, and systems analysis, Jeremy is active in the DevRel and DevOps communities, a co-creator of DevOpsPartyGames.com, and organizer for DevOpsDays Kansas City. A lover of all things coffee, community, open source, and tech, he’s also house-broken, and (generally) plays well with others.

Durable Execution: Building Apps That Refuse to Die

Sam Dengler

Sam

Engineering the Shift: How Technical Leaders Drive Enduring Change

Niranjan Prithviraj

Niranjan Prithviraj is a veteran engineering leader with over 20 years of experience driving zero-to-one initiatives and scaling infrastructure in high-growth fintech and technology companies. He has led transformative platform and developer productivity programs at Coinbase, Ripple, and Yahoo—delivering innovations in blockchain systems, payments, and large-scale engineering tooling. Niranjan specializes in technical leadership that bridges strategy and execution, enabling lasting adoption of new tools and practices across complex organizations. He is a named inventor on multiple U.S. patents, a published IEEE author, and a two-time national hackathon champion.

From Legacy to Cloud-Native: Effective and Scalable Java Modernization with Automation

Emily Jiang

Emily Jiang is a Java Champion. She is Liberty Cloud Native Architect and Chief Advocate, Senior Technical Staff Member (STSM) in IBM, based at Hursley Lab in the UK. Emily is a MicroProfile guru and has been working on MicroProfile since 2016 and leads a number of specifications including MicroProfile Config and Fault Tolerance. She interacts with most of the other MicroProfile specifications. She is also active in Jakarta EE specifications. She is a co-lead in Jakarta Config and also a Jakarta Context and Dependency Injection (CDI) committer. At IBM, she leads the effort of implementing all of MicroProfile specifications...

Git features you aren’t using

Raju Gandhi

Raju Gandhi has been writing software for over two decades. Along the way he's been a software architect, consultant, author, teacher, and regularly invited speaker at conferences around the world. As both a software developer and a teacher, he believes in keeping things simple, preferring to understand and explain the “why” as opposed to the “how.” Raju blogs at looselytyped.com and lives in Columbus, Ohio, US, along with his wonderful wife, Michelle, their sons, Mason and Micah, daughter, Delphine, and three furry family members, Buddy, Princess Zara, and Lulu. You can find his contact information at rajugandhi.com. He’s always looking...

Grow Beyond Senior Through Java Contributions: JUGs, the JCP and OpenJDK

Bruno Souza

Since 1995, Bruno helps Java developers design amazing careers and work on cool projects with great people! Java Evangelist and a Java Champion, Bruno is the founder and President of SouJava, the Brazilian Java Users Society. He also represents the group on the JCP Executive Committee. Bruno discusses Java and the Developer Career in the https://code4.life/ project.

Heather VanCura

Heather leads the Java Community standardization efforts at Oracle, and is a leader of the global community driven adoption and user group programs. She is Chairperson of the Java Community Process (JCP) program. In this role she drives the efforts to transform the JCP program and broaden participation and diversity in the community. She is passionate about Java, women in technology and developer communities, serving as an International speaker and community organizer of developer hack days around the world. Heather enjoys speaking at conferences, such as OSCON, FOSDEM, Devoxx, Wonder Women Tech, and the JavaOne Conferences. She resides in the...

How I AI: Building Custom GPTs to Supercharge Everyday Work

Daneez Zamangil

Engineering Manager An empathetic and inclusive leader with a focus on cultivating a healthy team culture of inclusion and equity by transparent, honest communication and sharing information Extensive background in software quality assurance for over 10+ years, with expertise in functional, non-functional, smoke, regression, and ad-hoc testing Effectively leading the Asian Business Employee Resource Group (BERG) at Mailchimp Instructor at QA boot camps and workshops AREAS OF EXPERTISE Strong written and verbal communication skills, with technical and non-technical teams Providing analytical troubleshooting and research driven solutions SQL queries HTML/CSS Experienced in software development and collaboration tools like Jira, Confluence, Jenkins...

How I automated my life with MCP Servers

Cedric Clyburn

Cedric Clyburn (@cedricclyburn), Senior Developer Advocate at Red Hat, is an enthusiastic software technologist with a background in Kubernetes, DevOps, and container tools. He has experience speaking and organizing conferences including DevNexus, WeAreDevelopers, The Linux Foundation, KCD NYC, and more. Cedric loves all things open-source, and works to make developer's lives easier! Based out of New York.

How to run a 1 on 1 for Everyone (Not Just Managers!)

Alex Riviere

Alex Riviere is a Senior Front End Developer for Hygiena and a Co-Organizer for the Atlanta Vue.js Meetup.

Implementing MCP Authorization using Spring Security OAuth 2.1 capabilities

Joe Grandja

Joe Grandja is a core committer on the Spring Security team. He has been leading the efforts in building the OAuth2 and OpenID Connect support in Spring Security. With over 25 years of industry experience, in the Toronto, Canada area, he has designed, built, and delivered enterprise grade banking applications and platforms in the Personal and Commercial and Brokerage and Investing divisions. He has worked closely with the InfoSec teams within banks to ensure security and regulatory compliance.

Introduction to Cell Architectures

Christopher Curtin

Chief Application Developer at ADP

Isolation Isn't All Bad, For Your Database

Sean McNealy

Sean McNealy has been a software developer for 18 years in the Atlanta area at several companies, including Internet Security Systems, Secureworks, and NCR. Sometimes generalist, sometimes specializing in reporting and event driven architectures. Sean has worked on software security products, business software, and briefly on autonomous vehicles, all using Java in some way.

Java Cloud Optimization: Serverless, Native, and CRaC – Unleash Peak Performance

Rustam Mehmandarov

Lean Software Development

Leigh Griffin

Leigh has worked across multiple roles in the software lifecycle from researcher, to developer, to process expert and finally people management. He has an academic interest in emerging technologies with over 350 US Patents to his name in the fields of Cloud, Quantum, AI and many more disciplines. He leads Red Hat's R&D Funding to pursue new projects and emerging disciplines that can shape the companies future strategy

Maven's hidden secrets to speed up your build

Ko Turk

Ko Turk is a Software Architect, Java Engineer, and Community Lead with more than 15+ years of experience in development, architecture, speaking, and mentoring. 🦊 Voxxed Days Amsterdam conference organiser 👥 JUGLeader @CodeLabJUG 🫶🏻 JFall Programme Committee Member, DevoxxBE Community reviewer 🧑‍💻 Working @CodeLab, assignment @Rabobank. 🎤 Conference speaker, speaks about everything around Java (ok and Typescript 😄) ✍🏻 Loves to blog, and writing articles for the Dutch Java Magazine. ➡️ Website: http://koturk.nl/

Microservices for Pragmatists

Hazel Bohon

Hazel is a software engineer and mom. When she's not debugging code, you can find her down at the lake fishing with her kids.

Modern Architectures for Software Development Leaders

Venkat Subramaniam

Dr. Venkat Subramaniam is an award-winning author, founder of Agile Developer, Inc., and an instructional professor at the University of Houston. He has trained and mentored thousands of software developers in the US, Canada, Europe, and Asia, and is a regularly-invited speaker at several international conferences. Venkat helps his clients effectively apply and succeed with sustainable agile practices on their software projects. Venkat is a (co)author of multiple technical books, including the 2007 Jolt Productivity award winning book Practices of an Agile Developer. You can find a list of his books at agiledeveloper.com. You can reach him by email at...

Modular Monoliths: A happy middle

Raju Gandhi

Raju Gandhi has been writing software for over two decades. Along the way he's been a software architect, consultant, author, teacher, and regularly invited speaker at conferences around the world. As both a software developer and a teacher, he believes in keeping things simple, preferring to understand and explain the “why” as opposed to the “how.” Raju blogs at looselytyped.com and lives in Columbus, Ohio, US, along with his wonderful wife, Michelle, their sons, Mason and Micah, daughter, Delphine, and three furry family members, Buddy, Princess Zara, and Lulu. You can find his contact information at rajugandhi.com. He’s always looking...

Privacy in design (PbD) in DevSecOps

Anitha Dakamarri

I am Anitha Dakamarri, a seasoned IT professional with over 16 years of experience in the field of information security. My journey began with a Master of Computer Applications from Jawaharlal Technological University, which laid a strong foundation for my career. Over the years, I have honed my skills in various domains, including threat modeling, application security assessments, and network security assessments. My work experience spans across reputable organizations like DFIN, USCELLULAR, and Syntel Inc., where I have led teams, developed security standards, and implemented robust security frameworks. I am a Certified Information Systems Security Professional (CISSP) and hold several...

Refactoring RN

Aaron McClennen

A 29 year java veteran. I wrote my first java program in java 1.0 when AWT on the mac and unix were different. Since that time I have written uncounted lines of java code, and rewritten most of them. When I first read Fowlers Refactoring my life changed for the better as I realized there was a safe way to fix code that no longer suited.

Securing AI in Java: Guardrails, Ethical LLMs, and Compliance Tools

Bazlur Rahman

A N M Bazlur Rahman is a Software Engineer with over a decade of specialized experience in Java and related technologies. His expertise has been formally recognized through the prestigious title of Java Champion. Beyond his professional commitments, Mr. Rahman is deeply involved in community outreach and education. He is the founder and current moderator of the Java User Group in Bangladesh, where he has organized educational meetups and conferences since 2013. In the past two years, Mr. Rahman has been an active speaker at various international conferences and Java user groups. His talks have often focused on specialized topics...

Shaaf Syed

Shaaf Syed is a seasoned Java developer, AI enthusiast, and advocate in the developer community. With deep expertise in Quarkus, Jakarta EE, and modern cloud-native Java, he has helped drive innovation in AI-powered applications, particularly focusing on Retrieval-Augmented Generation (RAG), vector databases, and knowledge graph integrations. Shaaf regularly speaks at major conferences and meetups, sharing practical insights on Java, AI, and application modernization. Passionate about open source and developer education, he mentors and writes technical content.

Sociotechnical Platform Engineering

Chris Corriere

Chris Corriere has been working with data, phones, networks and writing software for over 20 years. His background in mathematics and engineering has allowed him to adapt to new and industry specific technologies and provided many unique consulting opportunities. As a devOps practitioner Chris is committed to culture, automation, learning, sharing, and having a good time while getting work done.

Taming Technical Debt in Java: A Survival Guide for Legacy Systems

Scott Wierschem

Scott helps mid-level Java developers master fundamental technical and soft skills so they can lead themselves and their developer teams.

The Accidental Leader: How to Succeed When You Weren’t Planning to Lead

Emily Harden

Emily Harden is a knowledgeable consultant, skillful speaker, and community builder dedicated to fostering growth and impact. As the Founder and Owner of Harden Consulting, she provides tailored strategic guidance to nonprofits and small businesses, helping them unlock their full potential in areas like fundraising, organizational development, and community engagement. Emily draws on her deep roots in the tech ecosystem, where she previously served as Techlahoma's Executive Director, to connect challenges with creative solutions. When she’s not working, you can probably find her playing board games, trying out new video games, or off on an adventure with her husband and...

The Developer Skill Tree: Growing Beyond the Code

Bree Hall

Bree is a frontend Software Engineer turned Developer Advocate at HubSpot. She has a passion for coding and making technology more accessible to everyone. Bree creates technical content to help developers create and build autonomously. When she isn't working for the Developer Advocacy team at HubSpot, you can find her playing video games, baking, or traveling to magical destinations.

The Engineer's Guide to Socialization

Nerando Johnson

Current Atlanta freeCodeCamp Organizer | Software Developer

The Hidden Security Hazards in Your Java Stack

Brian Vermeer

Staff Developer Advocate for Snyk, Java Champion, Oracle Ace Pro, and Software Engineer with over a decade of hands-on experience in creating and maintaining software. He is passionate about Java, (Pure) Functional Programming and Cybersecurity. Brian is a JUG leader for the Virtual JUG and the NLJUG. He also co-leads the DevSecCon community and is a community manager for Foojay. He is a regular international speaker on mostly Java-related conferences like JavaOne, Devnexus, Devoxx, Jfokus, JavaZone and many more. Besides all that, Brian is a military reserve for the Royal Netherlands Air Force and a Taekwondo Master / Teacher.

The Responsible Java Developer: Trustworthy GenAI in Practice

Brian Benz

Brian is a Java Champion and a Cloud Advocate at Microsoft, helping developers get the most out of Azure. Before Joining Microsoft, he was a program manager, evangelist, solution architect, consultant, developer, and author at IBM, Deloitte, and other companies. Find him on Twitter @bbenz. A current list of Brian's talks can be found at https://aka.ms/brianspeaking

The Ultimate Showdown of Database Migration Tools

Pasha Finkelshteyn

Years of experience in software engineering and the team's leading roles combined with his passion for Java made Pasha know all the hidden details in this IT niche. As a Developer Advocate for @Bellsoft, he educates the public on the latest software tools built by BellSoft and helps to create and test instruments for developers. He writes in Kotlin, speaks at conferences, composes a new articles, or maintains his pet projects.

Anton Arhipov

Anton is a Developer Advocate at JetBrains, working with Kotlin, IntelliJ IDEA, and AI-driven developer tools. With a background in server-side development, he has spent over a decade building software for developers. A Java Champion since 2014, Anton speaks at conferences, shares insights on the Kotlin YouTube channel, and enjoys exploring new ideas in programming languages, AI-powered tooling, and developer workflows. He’s always experimenting with new tech, looking for ways to make coding more efficient and enjoyable.

Thriving in an Evolving Software Industry

Nathaniel Schutta

Nathaniel T. Schutta is a software architect and Java Champion focused on cloud computing, developer happiness and building usable applications. A proponent of polyglot programming, Nate has written multiple books, appeared in countless videos and many podcasts. He’s also a seasoned speaker who regularly presents at worldwide conferences, meetups, universities, and user groups. In addition to his day job, Nate is an adjunct professor at the University of Minnesota, where he teaches students to embrace (and evaluate) technical change. Driven to rid the world of bad presentations, he coauthored the book Presentation Patterns with Neal Ford and Matthew McCullough, and...

Glenn Renfro

As a Broadcom engineer, Glenn Renfro is a core committer for Spring Cloud Task, Spring Batch, and Spring Cloud Data Flow and a Java Champion. He has 15 years of experience in designing, building, and delivering enterprise-level applications in Java and 21 years total of software development experience.

Unbundling of the Cloud Data Warehouse: Open Source Databases and Data Lakes

Zoe Steinkamp

I’m Zoe Steinkamp, a Developer Advocate at ClickHouse, with a strong foundation in front-end software engineering. My mission is to empower developers by enhancing their experience with ClickHouse’s high-performance database and real-time analytics capabilities. I also have a growing interest in data science. In my spare time, I love to travel and tend to my garden. Let’s connect on LinkedIn—I’m eager to exchange insights and knowledge at both virtual and in-person events!

Unlocking Engineering Productivity with IDE-Based Coding Agents

Josh Kurz

Josh Kurz leads AI engineering initiatives at JPMorgan Chase, focusing on agentic automation and developer productivity. He specializes in integrating AI workflows into enterprise environments, enabling teams to innovate rapidly and efficiently. Josh is passionate about empowering engineers with practical tools for modern software development.

Zero Migration Java: Stay Current Without Breaking Your App

Yee-Kang Chang

Yee-Kang (YK) Chang is the lead developer advocate for IBM's application platform and the developer experience architect for Open Liberty. He contributes to various open source projects like Eclipse Language Servers for MicroProfile & Jakarta EE and Open Liberty and is keen on how we can make life easier for developers.

Architecture

Tech leadership

Security

Practices and other tech

Tools & misc