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Warszawa JUG

Warsaw JUG (or simply WJUG) is a group of Java technology passionates. The fascination of WJUGgers shows in their eagerness to get to know technologies, frameworks, and methods of creating applications on the JVM platforms and improving their programming craftsmanship. The events of Warsaw Java User Group are lectures, workshops and discussions about the latest technologies.
Events (155) Video (0)

Past events:

April
 2025
08.04
Tue
323 - WJUG - Damian Kamyszek o Testach | Michał...
IT programming, Java, QA/Testing
Warsaw
Meetup
Free
March
 2025
25.03
Tue
322 - WJUG - Sławek Sobótka i Kuba Pilimon - LLM nie...
IT programming, Java, AI/ML
Warsaw
Meetup
Free
December
 2024
10.12
Tue
321 WJUG [+ LIVE on YouTube] - Piotr Przybył - Java 23...
IT Java
Warsaw
Meetup
Free
November
 2024
19.11
Tue
320. WJUG - Sebastian Kozak o OpenTelemetry i Paulina...
IT Java, AI/ML
Warsaw
Meetup
Free
October
 2024
29.10
Tue
319 WJUG Padłeś? Powstań! Temporal.io&Software...
IT programming, Java
Warsaw
Meetup
Free
15.10
Tue
318. WJUG - Jacek Milewski "Strategie testowania oraz...
IT Java
Warsaw
Meetup
Free
01.10
Tue
317. WJUG -A.Adamchik "Can we use big data techniques...
IT Java
Warsaw
Meetup
Free
September
 2024
03.09
Tue
316. WJUG - Embracing microservices oraz Trochę więcej...
IT programming, Java
Warsaw
Meetup
Free
June
 2024
04.06
Tue
315. WJUG- k8s on-premises, observabilty for beginners...
IT Java
Warsaw
Meetup
Free
May
 2024
28.05
Tue
314. WJUGxChase "The Tech Behind Chase" & "State machine...
IT Java, networking
Warsaw
Meetup
Free
March
 2024
05.03
Tue
313. WJUGxPlaytika "Architecture @ Scale" & "DataNg...
IT programming, Java
Warsaw
Meetup
Free
February
 2024
20.02
Tue
312 WJUGxDatev "Types as Ubiquitous language" & "E2E...
IT programming, Java
Warsaw
Meetup
Free
January
 2024
23.01
Tue
311. WJUG - Krzysiek Przygudzki o heksagonie i Mateusz...
IT programming, Java
Warsaw
Meetup
Free
December
 2023
12.12
Tue
Flaszki z WJUGiem vol. 2 - świątecznie
IT Java
Warsaw
Meetup
Free
05.12
Tue
310. WJUG - Bezpieczne aplikacje - P.Wangryn & Spring...
IT programming, Java
Warsaw
Meetup
Free
November
 2023
07.11
Tue
308. WJUG - Java Memory .. [EN] & Projektowanie...
IT programming, Java
Warsaw
Meetup
Free
June
 2023
20.06
Tue
304. WJUG - K. Ślusarski "Thread-per-core" jako droga...
IT programming, Java
Warsaw
Meetup
Free
06.06
Tue
303. WJUG - Jan Siekierski "Mikroserwisy w chmurze-jak...
IT Cloud, DevOps
Warsaw
Meetup
Free
May
 2023
23.05
Tue
302. WJUG - Java Chapter & Event Driven Architecture in...
IT programming, Java
Warsaw
Meetup
Free
09.05
Tue
301. WJUG - Kris Suszyński on Event Mesh [EN] & Robert...
IT programming, Java, Kubernetes
Warsaw
Meetup
Free
April
 2023
25.04
Tue
This is wjug! - Świętujemy 300 spotkań warsaw Java...
IT networking
Warsaw
Meetup
Paid
04.04
Tue
299. WJUG S. Sobótka
IT DDD
Warsaw
Meetup
Free
February
 2023
21.02
Tue
298 WJUG- Keyboard layout tinkering & Testowanie...
IT programming, Java
Warsaw
Meetup
Free
07.02
Tue
297. WJUG - Marcin Las "Jak wdepnąć na grabie"
IT programming, Java
Warsaw
Meetup
Free
January
 2023
24.01
Tue
296. WJUG - Michał Domagała "REST exception handling...
IT programming, Java
Warsaw
Meetup
Free
10.01
Tue
295. WJUG - Sławek Sobótka "Umiejętności miękkie...
IT programming, Java
Warsaw
Meetup
Free
November
 2022
29.11
Tue
294. WJUG - Piotr Przybył "Java 18 i 19. Nowości godne...
IT programming, Java
Warsaw
Meetup
Free
August
 2022
30.08
Tue
293. WJUG - trzech jeźdzców niskopoziomowej Javy
IT programming, Java
Warsaw
Meetup
Free
July
 2022
12.07
Tue
Flaszki z WJUGiem po raz pierwszy!
IT
Warsaw
Meetup
Free
May
 2022
17.05
Tue
292. Warszawa JUG - Porty, adaptery, CQRS, Event...
IT programming, Java, DDD
Warsaw
Meetup
Free
09.05
Mon
291. WJUG powraca - TAJEMNICZY PRELEGENT NA START
IT programming, Java
Warsaw
Meetup
Free
October
 2021
05.10
Tue
290. WJUG - Wyciek pamięci – mam HeapDumpa i co dalej?
IT programming, Java
Online
Meetup
Free
June
 2021
15.06
Tue
289. WJUG - Quarkus World Tour
IT programming, Java
Online
Meetup
Free
10.06
Thu
Flaszki z WJUG-iem vol. 1
IT
Online
Meetup
Free
May
 2021
25.05
Tue
288. WJUG - Ma! They hacked Retro Board! Scrum Masters...
IT Agile/Scrum
Online
Meetup
Free
11.05
Tue
287. WJUG - "Bare Metal Java"
IT programming, Java
Online
Meetup
Free
April
 2021
28.04
Wed
286. WJUG - Java 16: Nowości warte uwagi
IT Java
Online
Meetup
Free
20.04
Tue
285. WJUG Java dla średniozaawansowanych
IT programming, Java
Online
Meetup
Free
06.04
Tue
284. WJUG Continuous profiling - za darmo
IT programming, Java
Online
Meetup
Free
March
 2021
23.03
Tue
283 WJUG - OpenDJ – Java Based LDAP
IT Java
Online
Meetup
Free
09.03
Tue
282 WJUG - Hasła - czy to Ty je łamiesz moim...
IT security
Online
Meetup
Free
February
 2021
23.02
Tue
281 WJUG - Tracing Issues in Your Application
IT programming, Java
Online
Meetup
Free
January
 2021
19.01
Tue
280 WJUG - "Securing the JVM"
IT programming, Java
Online
Meetup
Free
December
 2020
15.12
Tue
279 WJUG - Reactive Spring
IT programming, Java
Online
Meetup
Free
03.12
Thu
278 WJUG Wzorce projektowe szyte pod Springa i Server...
IT programming, Java
Online
Meetup
Free
November
 2020
17.11
Tue
277 WJUG K.Borkowski -Architektura mechanizmu wykrywania...
IT programming, Java
Online
Meetup
Free
03.11
Tue
276. WJUG ONLINE - Odśmiecanie pamięci w Jawach 9-14
IT programming, Java
Online
Meetup
Free
October
 2020
21.10
Wed
275. WJUG ONLINE - Profiling cz. 3 - jak JVMzjada RAM?
IT programming, Java
Online
Meetup
Free
06.10
Tue
274. WJUG Online - Java 15. Nowości godne uwagi
IT programming, Java
Online
Meetup
Free
June
 2020
30.06
Tue
273 WJUGxWCN ONLINE Thinking Architecturally
IT programming, Java
Online
Meetup
Free
09.06
Tue
272. WJUG Profiling cz.2 - Async-profiler, Perf, FlameGraph
IT programming, Java
Online
Meetup
Free
02.06
Tue
271. WJUG Online - Into the Spring
IT programming, Java
Online
Meetup
Free
May
 2020
19.05
Tue
270. WJUG Online
IT programming, Cloud
Online
Meetup
Free
April
 2020
21.04
Tue
269. WJUG ONLINE!
IT programming, Java
Online
Meetup
Free
07.04
Tue
268. WJUG ONLINE! Jakub Pilimon - "Testing - Love,...
IT programming, Java
Online
Meetup
Free
March
 2020
26.03
Thu
267. WJUG ONLINE! Profiling cz. 1 - kręgi piekła...
IT programming, Java
Online
Meetup
Free
10.03
Tue
267. WJUG - Programowanie w Javie a piwowarstwo...
IT programming, Java
Warsaw
Meetup
Free
February
 2020
25.02
Tue
266. WJUG x WCN - Introduction to KUDO - Kubernetes...
IT Java, Kubernetes
Warsaw
Meetup
Free
11.02
Tue
265. WJUG - CI/CD on OKD (Origin Community Distribution...
IT programming, Java, Kubernetes
Warsaw
Meetup
Free
January
 2020
28.01
Tue
264. WJUG - Znajdowanie „wąskich gardeł” przy...
IT programming, Java
Warsaw
Meetup
Free
23.01
Thu
59 Talk4Devs - Testy jednostkowe | Scooby RAM, where are...
IT
Warsaw
Meetup
Free
14.01
Tue
263. WJUG - Quarkus - Javowy framework nowej generacji
IT programming, Java
Warsaw
Meetup
Free
December
 2019
10.12
Tue
262. WJUG
IT programming, Java
Warsaw
Meetup
Free
November
 2019
28.11
Thu
260. WJUG&WCN
IT programming, Java
Warsaw
Meetup
Free
19.11
Tue
259. WJUG with EY: Błędy w Agile & Corda Blockchain -...
IT programming, Agile/Scrum, Java, Blockchain
Warsaw
Meetup
05.11
Tue
258. WJUG - Kamil Szymański - Example Mapping in practice
IT programming, Java
Warsaw
Meetup
Free
October
 2019
08.10
Tue
WJUG #257 Just-In-Time compiler - ukryty przyjaciel
IT programming
Warsaw
Meetup
Free
01.10
Tue
Spotkanie organizacyjne Warszawa JUG
IT programming, Java
Warsaw
Meetup
Free
September
 2019
17.09
Tue
#256 spotkanie Warszawa JUG
IT programming
Warsaw
Meetup
Free
June
 2019
26.06
Wed
#255 Warszawa JUG
IT programming, Java
Warsaw
Meetup
Free
04.06
Tue
253. WJUG
IT programming, Java
Warsaw
Meetup
Free
May
 2019
28.05
Tue
252. WJUG
IT programming, Java
Warsaw
Meetup
Free
April
 2019
23.04
Tue
WCN feat. WJUG
IT programming, Java, Cloud
Warsaw
Meetup
Free
16.04
Tue
251. WJUG
IT programming, Java
Warsaw
Meetup
Free
02.04
Tue
250. WJUG
IT programming, Java
Warsaw
Meetup
Free
March
 2019
26.03
Tue
249. WJUG
IT programming, Java
Warsaw
Meetup
Free
12.03
Tue
248. WJUG
IT programming, Java
Warsaw
Meetup
Free
05.03
Tue
247. Warszawa JUG
IT programming, Java
Warsaw
Meetup
Free
February
 2019
26.02
Tue
246. WJUG
IT programming, Java
Warsaw
Meetup
Free
19.02
Tue
246. Warszawa JUG
IT programming, Java
Warsaw
Meetup
Free
12.02
Tue
245. WJUG
IT programming, Java
Warsaw
Meetup
Free
05.02
Tue
244. WJUG
IT programming, Java
Warsaw
Meetup
Free
January
 2019
22.01
Tue
243. WJUG
IT programming, Java
Warsaw
Meetup
Free
December
 2017
05.12
Tue
Warszawa Java User Group (Warszawa JUG) #221
IT programming, Java
Warsaw
Meetup
Free
November
 2016
22.11
Tue
WJUG #190 Hibernate since 2001. Is time for Cyberpunk 2020?
IT programming
Warsaw
Meetup
Free
June
 2016
28.06
Tue
Programuj reaktywnie, koduj po angielsku i mów po...
IT programming
Warsaw
Meetup
Free
January
 2016
19.01
Tue
WJUG #173
IT Java, programming
Warsaw
Meetup
Free
December
 2015
22.12
Tue
Jinkubator #39 „Jak ułatwić sobie życie dzięki...
IT Java, programming
Warsaw
Meetup
Free
15.12
Tue
WJUG #172
IT Java, programming
Warsaw
Meetup
Free
November
 2015
05.11
Thu
[WJBUG] WildFly – Tomasz Adamski
IT Java, programming
Warsaw
Meetup
Free
03.11
Tue
WJUG #169
IT Java, programming
Warsaw
Meetup
Free
October
 2015
27.10
Tue
Jinkubator 35 – Dlaczego programowanie jest...
IT Java, programming
Warsaw
Meetup
Free
20.10
Tue
WJUG #168 – Lazy Evaluations and its Impact on...
IT Java, programming
Warsaw
Meetup
Free
13.10
Tue
Jinkubator #34 – Od zera do kodera-warsztat developera
IT Java, programming
Warsaw
Meetup
Free
06.10
Tue
WJUG #167
IT Java, programming
Warsaw
Meetup
Free
September
 2015
22.09
Tue
WJUG #166
IT Java, programming
Warsaw
Meetup
Free
08.09
Tue
WJUG #165
IT Java, programming
Warsaw
Meetup
Free
August
 2015
11.08
Tue
WJUG – Mhm, mikroserwisy. Już wiesz,że wtopiłeś…
IT Java, programming
Warsaw
Meetup
Free
June
 2015
09.06
Tue
WJUG #161 – Hystrix-Managing failures in distributed...
IT Java, programming
Warsaw
Meetup
Free
02.06
Tue
Jinkubator #31 – Docker. Od zera do kontenera.
IT Java, programming
Warsaw
Meetup
Free
May
 2015
26.05
Tue
WJUG #160 – Suple(r): Aplikacje Hardkorowo!
IT Java, programming
Warsaw
Meetup
Free
19.05
Tue
Jinkubator #30 – Webservice’y w świecie Javy
IT Java, programming
Warsaw
Meetup
Free
12.05
Tue
Jinkubator #29 – Java 8: Lambdas, Monads and Java...
IT Java, programming
Warsaw
Meetup
Free
05.05
Tue
WJUG #159 – Microservice everything – Jakub...
IT Java, programming
Warsaw
Meetup
Free
April
 2015
28.04
Tue
WJUG #158 – Jesteś ekspertem i co dalej?
IT Java, programming
Warsaw
Meetup
Free
21.04
Tue
Jinkubator #28 – Brzydka Pani od HR radzi, czyli...
IT programming
Warsaw
Meetup
Free
14.04
Tue
WJUG #157 – Dlaczego 99% firm, które tworzą API...
IT Java, programming
Warsaw
Meetup
Free
07.04
Tue
Jinkubator 27 – Wzorce projektowe
IT Java, programming
Warsaw
Meetup
Free
01.04
Wed
Spring Labs #17 – Spring Social – Robert...
IT programming
Warsaw
Meetup
Free
March
 2015
31.03
Tue
WJUG #156 – Microservices architecture pitfalls
IT Java, programming
Warsaw
Meetup
Free
24.03
Tue
Jinkubator #26 – Wprowadzenie do języka Scala
IT Java, programming
Warsaw
Meetup
Free
17.03
Tue
WJUG #155
IT Java, programming
Warsaw
Meetup
Free
10.03
Tue
Jinkubator #25
IT Java, programming
Warsaw
Meetup
Free
04.03
Wed
Spring Labs #16
IT programming
Warsaw
Meetup
Free
03.03
Tue
WJUG #154
IT Java, programming
Warsaw
Meetup
Free
February
 2015
24.02
Tue
Jinkubator #24
Startup Agile/Scrum, Project management
Warsaw
Meetup
Free
17.02
Tue
WJUG #153
IT Java, programming
Warsaw
Meetup
Free
10.02
Tue
Jinkubator #23
IT Java, programming
Warsaw
Meetup
Free
November
 2014
12.11
Wed
WJUG #147
IT Java, JavaScript, programming
Warsaw
Meetup
Free
October
 2014
21.10
Tue
Jinkubator 18
IT Java, programming
Warsaw
Meetup
Free
14.10
Tue
WJUG #144
IT Java, programming
Warsaw
Meetup
Free
September
 2014
16.09
Tue
WJUG #143
IT Java, programming
Warsaw
Meetup
Free
02.09
Tue
WJUG #142
IT Java, programming
Warsaw
Meetup
Free
August
 2014
09.08
Sat
WJUG: Microserwisy – hackathon
IT Java, programming
Warsaw
Workshops
Free
July
 2014
01.07
Tue
WJUG Walne spotkanie
IT Java, programming
Warsaw
Meetup
Free
June
 2014
24.06
Tue
Jinkubator 17
IT Java, programming
Warsaw
Meetup
Free
17.06
Tue
WJUG #140
IT Java, programming
Warsaw
Meetup
Free
11.06
Wed
Jinkubator 16
IT Java, programming
Warsaw
Meetup
Free
03.06
Tue
WJUG #139
IT Java, programming
Warsaw
Meetup
Free
May
 2014
27.05
Tue
Jinkubator 15
IT Java, programming
Warsaw
Meetup
Free
20.05
Tue
WJUG #138
IT Java, programming
Warsaw
Meetup
Free
13.05
Tue
Jinkubator 14
IT Java, programming
Warsaw
Meetup
Free
06.05
Tue
WJUG #137
IT Java, programming
Warsaw
Meetup
Free
April
 2014
29.04
Tue
Jinkubator 13 – JPA 2.0 cz. II
IT Java, programming
Warsaw
Meetup
Free
22.04
Tue
WJUG #136
IT Java, programming
Warsaw
Meetup
Free
15.04
Tue
Jinkubator 12 – Metryka Kodu
IT Java, programming
Warsaw
Meetup
Free
08.04
Tue
WJUG #135
IT Java, programming
Warsaw
Meetup
Free
01.04
Tue
Jinkubator 11 – Czysty Kod
IT Java, programming
Warsaw
Meetup
Free
March
 2014
25.03
Tue
OpenJDK hackathon
IT Java, programming
Warsaw
Meetup
Free
18.03
Tue
Jinkubator 10 – JPA 2.0
IT Java, programming
Warsaw
Meetup
Free
11.03
Tue
WJUG #133
IT Java, programming
Warsaw
Meetup
Free
04.03
Tue
Jinkubator 9 – Spring Framework
IT Java, programming
Warsaw
Meetup
Free
February
 2014
25.02
Tue
WJUG #132
IT Java, programming
Warsaw
Meetup
Free
20.02
Thu
[WGUG] Groovy flashtalks
IT Java, programming
Warsaw
Meetup
Free
18.02
Tue
Jinkubator 8 – Mockito
IT Java, programming
Warsaw
Meetup
Free
11.02
Tue
WJUG #131
IT Java, programming
Warsaw
Meetup
Free
04.02
Tue
Jinkubator 7 – Podstawy testowania
IT Java, programming
Warsaw
Meetup
Free
January
 2014
28.01
Tue
WJUG #130 – Flash-talks dla każdego
IT Java, programming
Warsaw
Meetup
Free
21.01
Tue
Jinkubator 6 – Kariera programisty
IT Java, programming
Warsaw
Meetup
Free
14.01
Tue
WJUG #129 – Always Be Responsible for Any Code You...
IT Java, programming
Warsaw
Meetup
Free
09.01
Thu
Human Tech Art #6 & WJUG: Humanoidalny robot NAO
IT programming
Warsaw
Meetup
Free
07.01
Tue
Jinkubator 5 – Guava – JDK na sterydach
IT Java, programming
Warsaw
Meetup
Free
December
 2013
17.12
Tue
WJUG – Flashtalks #127
IT Java, programming
Warsaw
Meetup
Free
03.12
Tue
WJUG #129 – Completabl​eFuture i RxJava
IT Java, programming
Warsaw
Meetup
Free
January
 2010
23.01
Sat
WJUG #62 – Mule ESB vs. Apache ServiceMix
IT Java, programming
Warsaw
Meetup
Free