All contributors
All contributors
![Nicolas Frankel](https://www.sphere.it/wp-content/uploads/2021/03/Nikolas_Frankel-1-150x150.jpg)
Nicolas Frankel
Developer Advocate at Hazelcast
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. Currently working for Hazelcast. Also double as a teacher in universities and higher education schools, a trainer and triples as a book author.
Speakers related by area of interest
![Kacper Korban](https://www.sphere.it/wp-content/uploads/2021/03/Kacper_Korban-150x150.jpg)
Kacper Korban
Junior Scala Developer at VirtusLab
A fourth-year Computer Science student at AGH UST and Junior Scala Developer at VirtusLab. Waiting for Haskell to become mainstream.
![Krystian Rybarczyk](https://www.sphere.it/wp-content/uploads/2021/03/Krystian_Rybarczyk-150x150.jpeg)
Krystian Rybarczyk
Senior Software Engineer at Codete
Krystian is a happy husband and father to two little chaps. He loves to learn new things and is truly fascinated by programming, which he…
![Paweł Marks](https://www.sphere.it/wp-content/uploads/2020/01/Pawel_Marks-150x150.jpg)
Paweł Marks
Scala Compiler Engineer at Virtuslab
Paweł Marks is Scala Compiler Engineer at Virtuslab, Kraków. He is also the main maintainer of Eclipse Kotlin Plugin and co-organizer of Kraków Kotlin User…
![Jan Pluta](https://www.sphere.it/wp-content/uploads/2021/09/jp-Jan-Pluta-1-150x150.jpg)
Jan Pluta
CTO @ Therapify
Programmer, entrepreneur, co-founder and CTO of Therapify, a mental health care platform. Experienced in developing mobile-first platforms, he specializes in the tools of the Google…