Conference for developers, architects, DevOps, testers and anyone interested in technologies in the Java stack.

December 2024, Online December 2024, Koszykowa 75 St., Warsaw








1 ticket = 2 conferences

Join Ya!vaConf and get access to the DevAI by Data Science Summit conference talks with the same ticket.

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About Ya!vaConf

What is Ya!vaConf? First of all, it is one of the few conferences in Poland focused entirely on theJava 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.

What are the thematic areas of the conference?

Book a ticket today

and access:


  • Friday, December 8th, 2023
  • live speeches
  • discussions and Q&A sessions with speakers (chat)
  • access to specially prepared VoD lectures


  • Saturday, December 9, 2023
  • 5 tracks, 35-minute to the point speeches,
  • round tables after speeches and discussions with speakers,
  • networking, relaxation and VIP area

Matchmaking (in selected packages)

  • possibility to create a public profile available to other participants of the event
  • making valuable industry contacts
  • conversations, meetings and exchange of experiences


  • Saturday, December 9th from 9:00 PM
  • Le Cabaret Cafe Jazz, ul. Nowogrodzka 4A, Warszawa. Start 9:00 PM.
  • Afterparty is event for speakers, exhibitors and participants of Basic Onsite, Standard and VIP packages

IT Job Fairs

  • top employers and IT / data science service providers available online (December 8) and stationary (December 9).
  • meetings (online and stationary) with exhibitors, the date and subject of which you will arrange in advance
  • career options as well as service/product options from the thematic area of the conference


  • 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 IT Job Fair exhibitions:
    - Online: Google Home Hub and Xiaomi Mi Band,
    -Onsite: Dron DJI, Google Home Hub and Xiaomi Mi Band


  • access to the Ya!vaConf conference, which will be held simultaneously with DevAI by Data Science Summit
  • for all those registered for the conference, immediate access to recordings of previous editions speeches
  • certificate of participation in conference
  • gift bag with official event t-shirt (for selected packages)
  • 3-month access to recordings of speeches from the live online part, selected tracks of the stationary part and VoD (for selected packages)
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Who will speak in {{ getYearFromCode(eventCode) }}?

At the event you will meet and listen to the best specialists from Poland and abroad.

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The event takes place in parallel with DevAI by Data Science Summit. By registering for Ya!vaConf you will receive access to the presentations of both conferences.

Check DevAI Agenda

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What do they say about us?

Sławomir Sobótka We invite you for a large dose of diverse and practical knowledge from respected speakers from Poland and the world.
Sławomir Sobótka Owner, Bottega IT Minds
Jarosław Ratajski For the more advanced, we have prepared e.g. dedicated Application Tuning & Performance path.
Jarosław Ratajski Scala/Haskell Developer, Digital Asset w Sotrender
Rafał Sztwiorok DevOps and Architects will not be bored.
Rafał Sztwiorok CTO, Buddy
Arnika Hryszko 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? ;)
Arnika Hryszko Senior QA Specialist, SJSI
Adrian Kapczyński The IT Security for Developers path should be interesting for developers as well as people dealing with infrastructure security.
Adrian Kapczyński Member of the Board, Stowarzyszenie na rzecz cyberbezpieczeństwa

Sponsors 2023

Become a Partner


  • search 1st day: Friday, 8.12.2023, Online
  • search 2nd day: Saturday, 9.12.2023, Warsaw
  • search Hours: 9:30 a.m - 3:30 p.m.
  • search Access: free (registration required)

Exhibitors {{ getYearFromCode(eventCodeExhibitor) }}

At the event you will meet employers and IT / data science service providers who will directly introduce you to the profiles of their companies and talk about their offers.

Unfortunately, the list of Exhibitors is temporarily unavailable. 😔

Please check back again in some time.

Products and services


Sounds interesting? Check and compare available packages. Now you can buy your ticket in the lowest price.

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Event patrons




Event organizers

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.

The Faculty of Mathematics and Information Sciences of the Warsaw University of Technology boasts a high scientific position (category A) and a high level of education (a distinction in the field of Mathematics and a positive assessment in the field of Computer Science of the State Accreditation Committee), the involvement of the scientific and didactic staff in publishing activities and running large IT projects , including projects completed with implementations.



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 in the field of IT security. The conference is also accompanied by a number of other elements and attractions, including:
⚬ industry trade fair of services and work YavaExpo,
⚬ evening networking meetings - preparty and afterparty,

3.What is the formula of the event in 2023 (online, stationary)?

Yava will have both stationary and online formats this year. On the first day (Friday, December 8th), the conference and Expo will be held online, in the participant's account on a dedicated platform. The second day (Saturday, December 9th) will be held stationary at the MINI Faculty of the Warsaw University of Technology - there you will also be able to listen to all the speeches from the onsite paths and visit the stands of stationary 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.

4. What if, for any reason, the event cannot take place in-person?

In this case, the stationary part of the event will take place at a different date or online - for which, if necessary, we are fully prepared.

5.What types of speeches are included in the Event Agenda?
    Participants of YavaConf get access to the following types of talks:
  • ⚬ Livestreamed presentations (online part),
  • ⚬ Presentations in the form of specially prepared recordings available as VoD (online part),
  • ⚬ Stationary presentations (onsite part)
  • In addition, participants of higher packages receive access to a library of VoD recordings of speeches from the previous editions of YavaConf.
6.How can I know in what form individual speeches will be presented?

In the Agenda, next to each lecture, there is information in what form it is presented - Online Live, Online VoD or stationary (in this case, the room number is given). In addition, next to each path there is information about the form in which it is implemented.

7.What language are the lectures in?

Lectures are conducted in Polish or English. Information on the language of individual speeches is available in the Agenda.

8.Will the live presentations be recorded and available after the conference?

All live online and onsite Main Stage occurrences will be recorded. Recordings of live speeches, like all recordings made available in the VoD model, will be available in the participant's account for 3 months after publishing the recordings.

9.When will recordings of live speeches be available?

We usually provide recordings up to 2 weeks after the conference. We always inform you about this by e-mail.

10.Until when will recordings of speeches be available?

Access to all VoD presentations and recordings of speeches that were presented live is granted for 3 months from the date of publication of these recordings.

11.How can I ask questions to speakers?

In the case of speeches broadcast live online, it will be possible to ask questions to the speakers in live chat. In the case of VoD speeches - in the comments section under the recording of the lecture. During the stationary part, after each lecture, we have prepared a round tables session, where you will be able to ask questions and talk directly with the speaker after his speech.

12.How can I rate instances?
Your opinion is very important to us and the speakers, so we will be very grateful if you share it with us.
In the case of online presentations (live and VoD), it is possible to leave a rating and comment under the video - just select the appropriate number of stars and, optionally, add a comment.
In the case of stationary presentations - the assessment of the lecture will be made in the feedback survey available for logged -in users in the Participant's Account.
13.Until when can I register?

You can register until the day of the event or until the seats are exhausted (the number of tickets in individual pools and packages, both for the online and onsite part, is strictly limited).

14.Can I purchase VoD access after the event?

Yes, it is possible to purchase packages entitling you to access VoD recordings after the event. However, these packages do not include gift bags and other benefits offered to participants during the event, and the time limit for access to VoD recordings is 3 months from the date of the event/publication of recordings, not from the date of purchase.

15.How can I buy more than 1 package?

In registration, select the "I am buying for several people" option, and then select the appropriate number of packages (one package for one person). After paying for the order, you will receive invitation codes, which should then be given to the people for whom the tickets are to be intended. online event and will be able to download a personal invitation entitling to enter the stationary part. In order to create an account, you must go through the registration process, providing the invitation code received from the person who paid for the ticket in the first step. After entering the code from the invitation, the price of the relevant package will be reduced and the person will be able to create an account in the selected package without incurring any costs.

16.How can I use a discount/invitation code from a group purchase?

The discount code can be used to register on the website At the first step of registration, at the bottom of the page, select the option "I have an invitation code", and then enter and confirm the code. After confirming the code, the prices of the packages under which the code is valid will be reduced accordingly.

17.Can I receive a pro-forma or deferred payment invoice?

It is possible to issue an invoice with a deferred payment date. After placing the order and completing the registration, write an email to Since this service is completely manual, a handling fee of PLN 49 is charged.

18.Can I get an invoice for the purchase of tickets and extras?

A personal invoice for a private person is issued for each order. A VAT invoice for an entity conducting business activity is available only after selecting the "Buy for a company" option when choosing a package.

The title on the sales document (regardless of the selected options) is "Participation in YavaConf conference". If you need to add additional annotations to the sales document, you will find a field for entering them during registration.

The invoice is issued by:
Fundacja Academic Partners
Kwitnąca 6/46
01-926 Warszawa
NIP: 118-20-88-939

19.How can I pick up a t-shirt/sweatshirt (included in the package or purchased as an additional option)?

In the case of T-shirts from the Standard package and T-shirts and sweatshirts from the VIP package - they will only be collected in person at the event. In the case of any additional options (t-shirt, sweatshirt) purchased separately - it will be possible to pick it up at the event or send it to the address indicated in the registration.

20.When will I receive my t-shirt/hoodie?

For items collected during the event - on the day of the event ;) For items sent by courier - approx. 2 weeks after the event.

21.Where is the event taking place?

The stationary part of the event (conference, YavaExpo) will take place in the center of Warsaw, in Faculty of Mathematics and Information Sciences of the Warsaw University of Technology, Koszykowa 75 St., 00-662. However, due to restrictions, the exact address may change (in this case, we will inform participants about it by email).

All online elements of the event (access to live broadcasts, VoD recordings, live chat, virtual exhibition hall YavaExpo) will be available to logged in users on a dedicated platform.

22.What time does the event take place?

The event takes place from 8:00 a.m. to 6:00 p.m. The exact start and end times of individual elements and speeches on a given day can be checked in the Agenda.

23.Is lunch available for attendees during the on-site event?

For participants of the Standard and VIP packages, lunch is available as part of the selected conference package.

24.Can I get a certificate for attending the event?

Yes, each conference participant receives a personal certificate confirming participation in the event. The certificate will be available for download after the event in the Participant's Account.

25.Can I enter the YavaExpo without registering?

No, to enter the YavaExpo you need to register and download a free pass (Expo package available in Registration). During the stationary part of the event, tickets are checked at the entrance. In turn, to participate online, you must have an active account, which you will create when registering.

26.How can I contact exhibitors?
Exhibitors can be contacted, e.g. via:

    [Online part]
  • ⚬ scheduling a 1:1 meeting (phone call), in the registration or participant's account,
  • ⚬ online chat, which you will find at the virtual booth,
  • ⚬ sending any message via the contact form at the virtual stand.

    [Onsite part]
  • ⚬ approach to the stand at the stationary Expo,
  • ⚬ conversation during the afterparty (participation only for participants with Basic, Standard and VIP packages), where most of the exhibitors' representatives are usually present ;).
As always, participation in the Expo is completely free.
27.Where can I find exhibitor's stands?

The exhibitors' stands will be located in the corridor next to the presentation rooms and will be available online (access after logging in to the User Account).

28.Who can attend the afterparty?

Participants of selected packages, Exhibitors and Speakers of the event can take part in the afterparty.

29.Where will the afterparty take place?
The afterparty take place in Le Cabaret Cafe Jazz, Nowogrodzka 4A, Warsaw. Start at 9:00 AM.
30.Who is the organizer of the event?

The event is organized by the Academic Partners Foundation and the Faculty of Mathematics and Information Sciences of the Warsaw University of Technology.

31.How can I contact the organizers?
Write an email to – this email is connected to a ticket system with monitored SLA. In cases of urgency - a request to contact us by phone at +48 660 409 142.