Devnexus 2023

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Architectural Design Patterns Deep Dive

Daniel Hinojosa

Daniel Hinojosa is a programmer, consultant, instructor, speaker, and author. With over 20 years of experience, he does work for private, educational, and government institutions. Daniel loves JVM languages like Java, Groovy, and Scala; but also works with non-JVM languages like Haskell, Ruby, Python, LISP, C, C++. He is an avid Pomodoro Technique Practitioner and makes every attempt to learn a new programming language every year. Daniel is the author of Testing in Scala and the video of Beginning Scala Programming Video Series for O’Reilly Publishing. For downtime, he enjoys reading, swimming, Legos, football, and cooking.

Building RESTful Web Services with Jakarta EE

Kenneth Fogel

Ken is a Java Champion and member of the java Community Process Executive Committee. He is also the organizer of the annual JChampions Conference, He retired from the classroom after 31 years teaching software development at Dawson College, 25 of those years as the chair and program coordinator of the Computer Science Technology Program. He is currently a Research Scholar in Residence at the college. His first book, Transitioning to Java, was recently published by Packt. He has spoken at numerous conferences. His recent project has been the development of a Jakarta REST 3.1 workshop for the Eclipse Foundation.

Ivar Grimstad

Ivar Grimstad is the Jakarta EE Developer Advocate at Eclipse Foundation. He is a Java Champion and JUG Leader based in Sweden. Besides advocating the Jakarta EE technologies, Ivar is contributing to the Jakarta EE specifications as well as being the PMC Lead for Eclipse Enterprise for Java (EE4J). He is also one of the specification leads for Jakarta MVC and represents Eclipse Foundation in the JCP Executive Committee. Ivar is also involved in MicroProfile, Apache NetBeans, and a wide range of other open-source projects and communities. He is a frequent speaker at International developer conferences.

Cruising Along with Java: Making use of the Modern Features

Venkat Subramaniam

Dr. Venkat Subramaniam is an award-winning author, founder of Agile Developer, Inc., creator of agilelearner.com, 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 [email protected] or on twitter at @venkat_s.

Fundamentals of Migration Engineering with OpenRewrite

Jonathan Schneider

Jonathan is co-founder and CEO at Miami-based Moderne which automates software maintenance activities at scale. He founded OpenRewrite at Netflix and went on to found the Micrometer project as a member of the Spring Team. Jonathan is the author of “SRE with Java Microservices” (O’Reilly). He is an Army veteran and two time bronze star recipient.

Olga Kundzich

Co-founder at Moderne. Previously, Product Manager for Spinnaker at Pivotal and enterprise data protection at Dell EMC .

Mastering Modern Concurrency in Java - A Comprehensive Deep Dive with Virtual Threads

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 such as concurrency and virtual threads. In addition to his community work, Mr. Rahman also serves as an editor for Java Queue at InfoQ and Foojay.io, both of which are leading platforms for technology content. Notably, he has authored five books on the Java programming language in Bengali, three of which have become best sellers in Bangladesh. Mr. Rahman holds a bachelor's degree in Information Technology, majoring in Software Engineering, from the Institute of Information Technology, University of Dhaka, Bangladesh. He currently resides in Toronto, Canada.

Spring Boot 3 Workshop

Jonatan Ivanov

Jonatan Ivanov is an enthusiastic Software Engineer, member of the Spring Engineering Team, maintainer of Micrometer, one of the leaders of the Seattle Java User Group, speaker, author, certified dragon trainer. He has hands-on experience in developing and shipping innovative, production-ready software for industry-leader companies. He likes Distributed Systems, Production, Open Source, Math, Linux, Cloud environments; he is passionate about the Java Ecosystem and the Java Community. He is an Open Source contributor, writes a “develotters”-focused blog (https://develotters.com), sometimes can be found on Twitter(@jonatan_ivanov) and in the Seattle area.

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