Conference for developers, architects, DevOps, testers and anyone interested in technologies in the Java stack
50+
lectures
5+
tracks
3
formats
1 ticket = 3 conferences
Check out the Multipass packages, with which you will gain simultaneous access to the speeches of as many as 3 conferences: DevAI by Data Science Summit, Python Summit and Ya!vaConf.
Check the latest updates
Agenda 2026 is now available
Meet the Program Council 2026
Get to know Ya!vaConf
What is Ya!vaConf? First of all, it is one of the few conferences in Poland focused entirely on the Java technology stack. For years, it has been appreciated for its high substantive level, interesting topics of presentations, as well as a nice atmosphere and space for establishing industry contacts.
An accompanying event is Ya!vaExpo - a job fair, products and services related to the conference theme.
Conference participant profile
- Software Developers
- Testers
- Cloud Consultants
- DevOps
- SysOps
- QA Engineers
- Automation Engineers
- Tech & Team Leads
What are the thematic areas of the conference?
- Java
- Scala
- Kotlin
- Architecture
- App tuning & Performance
- Best practices
- Trends
- AI in Dev
- Cybersecurity in Dev
- DevOps
- Cloud
- QA / Testing
- ...and more
Book a ticket today
and gain access to:
ONLINE Parts
- Monday, October 19th, 2026
- live speeches
- discussions and Q&A sessions with speakers (chat)
- access to specially prepared VoD lectures
ONSITE Parts
- Tuesday, October 20th, 2026
- 35-minute to the point speeches
- round tables after speeches and discussions with speakers
- networking, relaxation and VIP area
Networking (Online & Onsite)
- we support the Matchmaking feature available on the event platform
- exchange of contacts and individual online chat with other participants
- making valuable industry contacts
- inspiring talks, meetings and exchange of experience
Afterparty
- Tuesday, October 20th
- held in Warsaw's top cocktail bar
- evening meeting for Speakers, Event Partners and participants in selected packages
Contests
- for sending event recommendations to friends: Google Home Hub and Xiaomi Mi Band
- for CV upload: Dron DJI and Google Home Hub
- for visiting the stands of 3 YavaExpo exhibitions: - Online: Google Home Hub and Xiaomi Mi Band, - Onsite: Dron DJI, Google Home Hub and Xiaomi Mi Band
Additionally
- with Multipass ticket - access to DevAI by DSS and Python Summit conferences
- for all conference registrants, instant access to recordings of speeches of previous editions
- up to 30 days to decide and pay the ticket
- official event t-shirt and sweatshirt*
- 3-month access to recordings of speeches*
- certificate of participation in the conference
* for selected packages
Meet speakers of 2026
At the event you will meet and listen to the best specialists from Poland and abroad.
Borys Stokalski
ExpertGPAI/OECD.AI, RETHINK
Tomasz Janczewski
AsystentAkademia Marynarki Wojennej w Gdyni
Jakub Nabrdalik
ArchitektJNA
Marek Pilczuk
BI DeveloperIndieBI
Piotr Migdał
Founding EngineerQuesma
Germain Safari
Lead machine Learning EngineerAdmind Agency
Jan Majewski
Lead AI EngineerMinerva Technology
Frederik Pietzko
Developer AdvocateJetBrains
Ryszard Szwajlik
AI Technical Leadj-labs
Serg Masis
Principal AI ScientistSyngenta
Rafał Kowalski
Software EngineerRevolut
Oleg Żero
freelance consultantZerowithdot Oleg ŻeroCheck Agenda 2026
Check Agenda 2026 - Selected by practitioners, the most interesting speeches on trends, latest solutions and production experiences.
The event is being held concurrently with DevAI by Data Science Summit and Python Summit. With the Multipass package, you get access to all the speeches of the 3 conferences.
What do they say about us?
We invite you for a large dose of diverse and practical knowledge from respected speakers from Poland and the world.
For the more advanced, we have prepared e.g. dedicated Application Tuning & Performance path.
DevOps and Architects will not be bored.
There will also be a lot of interesting QA stuff, plus cool t-shirts, sweatshirts and an after party with tasty drinks - what more could you want? ;)
The IT Security for Developers path should be interesting for developers as well as people dealing with infrastructure security.
Location
Online
Monday, October 19th, 2026
On the dedicated platform
available for logged-in users.
Onsite
Tuesday, October 20th, 2026
Copernicus Science Centre
Conference Centre
Wybrzeże Kościuszkowskie 20
00-390 Warsaw
Programme Council 2026
Paweł Janusz
Team LeaderAppfire
Bartek Kuczynski
Fabricator-GeneralTyrsoft
Cezary Sanecki
Software EngineerAllegro
Artur Skowroński
Head of Java/Kotlin DevelopmentVirtusLabŁukasz Sowa
Managing partnerIteratorsMichał Bijata
Prezes zarząduFundacja Academic PartnersWojciech Zięba
Java/Kotlin Developer | Warsaw JUG LeaderJit TeamSponsors 2026
YavaExpo
Conversations about technological challenges, industry products and services Stay up to date with what's happening on the market. Talk directly to suppliers of industry-specific products and services. 
Leading IT / data science employers in one place At Expo you will meet industry leaders from Poland and abroad. Register to gain access to classified offers and apply to all recruiting Expo Exhibitors at once. 
1:1 meetings Choose a convenient date, type and topic of the meeting and schedule an interview (online or in-person) with a representative of the organization. 
From junior to expert Regardless of your level of experience and the area you deal with, you will always find something interesting for yourself at the Expo.
- Monday, October 19th, 2026, Online
- Tuesday, October 20th, 2026, Copernicus Science Centre
- Hours: 9:30 AM - 3:30 PM
- Access: free (registration required)
Exhibitors 2026
At the event, you will meet employers and service providers from the IT / data science field, who will directly introduce you to the profiles of their organisations and talk about their offers.
Products and Services
Recruitment
Event patrons
Event Organizers
Main organizer
Since 2005, we have been supporting the Polish IT/data science community in its development. We are not only the organizer, but also the initiator of many significant events addressed to professionals and students from the industry, such as: Warsaw IT Days, Data Science Summit, The Hack Summit, Ya!vaConf, MS Tech Summit, IT Job Fair and many meetups. We also help organize IT and data science conferences for companies/organizations interested in this type of activities. If you have any questions, please contact us.
Previous editions of the event
FAQ
1.Who is YavaConf aimed at?
Ya!vaConf is a conference for developers, architects, DevOps, testers and anyone interested in Java stack technologies.2.What elements does an event consist of?
YavaConf is primarily a large-scale conference on Java technology stack. The conference is also accompanied by a number of other elements and attractions, including:⚬ YavaExpo - industry fair of job, products and services,
⚬ afterparty - evening networking meeting,
⚬ matchmaking (available to participants of selected packages) - a dedicated functionality on the event platform that allows to establish contacts between event participants and individual online chat.
3.What is the formula of the event in 2026 (online, onsite)?
The event will take place both in person and online. On the first day (Monday, 19 October), the conference and Expo will be held online via participants' accounts on a dedicated platform. The second day (Tuesday, 20 October) will take place in person at the Copernicus Science Centre Conference Centre in Warsaw - there, you will also be able to listen to all the presentations from the onsite tracks and visit the stands of in-person exhibitors.The elements of the event, including individual online and onsite occurrences, are completely independent and separate from each other. Onsite content is not available to online participants and vice versa. Only participants of the online + onsite packages receive access to the entire event.