Joker 2024

Java сonference for experienced developers

3 days:

October 9Online

October 15–16Saint Petersburg + ONLINEDAA Expo: Ploshchad Krasnogvardeyskaya, 3, litera E

Buy a ticket Schedule

50speakers
45talks
15partners
1200participants

About conference

Joker is a conference for Java developers that’s been held since 2013. It’s one of the two largest and oldest Java conferences in Russia (the other is its «twin», the JPoint conference). Here participants may listen to various talks: on using Spring Boot, JVM «under the hood», JVM languages like Kotlin, backend architecture, and much more. The conference is held by JUG Ru Group.

Talk topics

Talks

The time in the program is for your time zone .

Libraries and Frameworks
In total13
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Cost of Spring PhD
  Anton Kurako
  Company: T-Bank
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Jimmer ORM: An Alternative to JPA
  Aleksandr Belov
  Company: Sber
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Conductor, a Universal Orchestrator of Business Processes. Overview of the Possibilities and Their Extension
  Gleb Korolkevich
  Company: Sovcombank Technologies
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Building Event-driven Application with Apache Flink
  Daniil Tulikov
  Company: Т-Bank
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Where Is the Logic of My Application?
  Andres Sacco
  Company: TravelX
  In English
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  Background Processes — What to Implement on and Why We Chose Temporal
  Petr Salnikov
  Company: pole.rf
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  Spring Kafka. How to Prepare It Without Hurting Yourself
  Ivan Golovko
  Company: Alfa-Bank
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  The Kung Fu of OpenAPI Customisation
  Aleksandra Volushkova
  Company: Axenix
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  Spring and kotlinx.serialisation: Multi-format Deserialisation
  Andrey Kuleshov
  Company: Positive Data
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  Integration of Distributed SQL Storages with Java Frameworks Using YDB as an Example
  Kirill Kurdiukov
  Company: YDB
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  Spring Data Redis as a Failed Solution
  Valerij Toropov
  Company: Axenix
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  Patching Bytecode of Third-party Libraries in Runtime
  Aleksandr Tokarev
  Company: Yandex Infrastructure
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  Backward Compatibility in the Java World
  Vladimir Sitnikov
  In Russian
Tools and Infrastructure
In total8
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  GraalVM Native Image: How to Approach the Transition to Native Using the Ignite Thin Client as an Example
  Andrei Chukhlebov
  Company: Sber
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  Creating Independent Development Tools: The Gitee Experience
  Yong Xu
  Company: OSChina
  In English
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  Secrets in Java Services on Spring: Where to Get from and How to Update "hot"
  Andrey Chernov
  Company: SberTech
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  What Can You Do in Half a Millisecond?
  Sergey Melnikov
  Company: Dijkstra Markets
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  "And Apple Trees Will Blossom on Mars": How to Cook Internal Instruments Quickly, Beautifully and Effectively
  Daria Andreeva
  Company: Yandex 360
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  How Can PostgreSQL Hurt When You Don't Expect It To?
  Mikhail Zhilin
  Company: Postgres Professional
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  The Evolution of VK Video Distribution: From 10 Gbps over HTTP to 160 Gbps over HTTPS from a Single Machine
  Oleg Larionov
  Company: VK / VK Video
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  Can We Make It Hotter? How and Why We Should Warm up Spring Microservices
  Sergei Baldin
  Company: T-Bank
  In Russian
JVM
In total7
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Conversation
  Java 23. Hot JEPs
  Vladimir Sitnikov
  Andrei Kogun
  Company: CROC
  Dmitrii Volykhin
  Company: Javaswag Podcast
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  GraalVM Native Image: How to Approach the Transition to Native Using the Ignite Thin Client as an Example
  Andrei Chukhlebov
  Company: Sber
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  What Java Compiles Into
  Iurii Barinov
  Company: VK
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  A Guide to Memory Analysis of JVM Applications
  Vladimir Plizga
  Company: Tibbo Systems
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  FFM API – Nothing to Do with Radio
  Nastya Lisitskaia
  Company: Yandex
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  Patching Bytecode of Third-party Libraries in Runtime
  Aleksandr Tokarev
  Company: Yandex Infrastructure
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  Can We Make It Hotter? How and Why We Should Warm up Spring Microservices
  Sergei Baldin
  Company: T-Bank
  In Russian
Data and Storage
In total6
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Spring Data JDBC + Functional Architecture = 4 Years in Production.
  Алексей Жидков
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Jimmer ORM: An Alternative to JPA
  Aleksandr Belov
  Company: Sber
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  Integration of Distributed SQL Storages with Java Frameworks Using YDB as an Example
  Kirill Kurdiukov
  Company: YDB
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  Spring Data R2DBC. I'm Telling You the Last Time
  Mikhail Polivakha
  Company: Sber
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  Spring Data Redis as a Failed Solution
  Valerij Toropov
  Company: Axenix
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  How Can PostgreSQL Hurt When You Don't Expect It To?
  Mikhail Zhilin
  Company: Postgres Professional
  In Russian
Spring
In total6
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Develop a Modular Backend Application Using Standard Spring Boot Features
  Vadim Bublikov
  Company: Gazprombank
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Spring Data JDBC + Functional Architecture = 4 Years in Production.
  Алексей Жидков
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  Secrets in Java Services on Spring: Where to Get from and How to Update "hot"
  Andrey Chernov
  Company: SberTech
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  CRUD REST API. Simple, Fast, Reliable
  Ilya Kuchmin
  Company: Amplicode
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  Spring Kafka. How to Prepare It Without Hurting Yourself
  Ivan Golovko
  Company: Alfa-Bank
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  Spring Data R2DBC. I'm Telling You the Last Time
  Mikhail Polivakha
  Company: Sber
  In Russian
Design and Architecture
In total6
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Leveraging the Actor Model in Financial Transaction Systems
  Nikita Melnikov
  Company: Atlantic Money
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Develop a Modular Backend Application Using Standard Spring Boot Features
  Vadim Bublikov
  Company: Gazprombank
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Conductor, a Universal Orchestrator of Business Processes. Overview of the Possibilities and Their Extension
  Gleb Korolkevich
  Company: Sovcombank Technologies
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Java Evolution Vector: DOP
  Felix Desyatirikov
  Company: T1 Holding | Innotech
  In English
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  Background Processes — What to Implement on and Why We Chose Temporal
  Petr Salnikov
  Company: pole.rf
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  Reliable Event Dispatch in Apache Kafka. From CDC to Transactional Outbox Pattern
  Aleksei Kashin
  Company: Т-Bank
  In Russian
Performance
In total5
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  In the Footsteps of 1BRC: Tricks and Approaches to Optimising Performance
  Alexander Lantsov
  Company: Mir Plat.Form
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  A Guide to Memory Analysis of JVM Applications
  Vladimir Plizga
  Company: Tibbo Systems
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  What Can You Do in Half a Millisecond?
  Sergey Melnikov
  Company: Dijkstra Markets
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  Non-sequential Sequences: Sequence, Stream and Collection Performance in JVM
  Maksim Sidorov
  Company: SberDevices
  Maksim Mitiushkin
  Company: SberDevices
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  The Evolution of VK Video Distribution: From 10 Gbps over HTTP to 160 Gbps over HTTPS from a Single Machine
  Oleg Larionov
  Company: VK / VK Video
  In Russian
Language features
In total4
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Conversation
  Java 23. Hot JEPs
  Vladimir Sitnikov
  Andrei Kogun
  Company: CROC
  Dmitrii Volykhin
  Company: Javaswag Podcast
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Java Evolution Vector: DOP
  Felix Desyatirikov
  Company: T1 Holding | Innotech
  In English
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  What Java Compiles Into
  Iurii Barinov
  Company: VK
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  Advanced Type Systems. What I Still Need in Java from Rust
  Petr Portnov
  Company: Ozon
  In Russian
Asynchronous Programming
In total3
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Leveraging the Actor Model in Financial Transaction Systems
  Nikita Melnikov
  Company: Atlantic Money
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Talk
  Building Event-driven Application with Apache Flink
  Daniil Tulikov
  Company: Т-Bank
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  Reliable Event Dispatch in Apache Kafka. From CDC to Transactional Outbox Pattern
  Aleksei Kashin
  Company: Т-Bank
  In Russian
API
In total2
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 2
  CRUD REST API. Simple, Fast, Reliable
  Ilya Kuchmin
  Company: Amplicode
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  The Kung Fu of OpenAPI Customisation
  Aleksandra Volushkova
  Company: Axenix
  In Russian
Keynote
In total1
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  Creating Independent Development Tools: The Gitee Experience
  Yong Xu
  Company: OSChina
  In English
Off Topic
In total11
- Talk
  Artificial Joker Intelligence: a Modern Artists' Version
  Dmitry Galkin
  Company: Tomsk State University
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Conversation
  Conference Opening
  Alexey Fyodorov
  Company: JUG Ru Group
  In Russian
- Date: 09.10 / Start: 00:00 – Finish: 00:00
  Conversation
  Summarising the Results of the Online Part
  Alexey Fyodorov
  Company: JUG Ru Group
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Conversation
  Room 1
  Opening of the Offline Part
  Alexey Fyodorov
  Company: JUG Ru Group
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Partner’s conversation
  Room 1
  Kubernetes, Grafana, Kibana and other crap. It used to be better before!
  Savelii Bondarenko
  Company: Reksoft Group
  Zurab Belyi
  Company: Reksoft Group
  Leonid Kazartsev
  Company: Reksoft Group
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Partner’s talk
  Room 2
  Spring Cloud Gateway MVC: a Gateway without Reactive
  Aleksandr Mitin
  Company: T1 Holding
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Partner’s talk
  Room 3
  Automatic Test Generation is Like Fighting with Dragons
  Egor Kulikov
  Company: Explyt
  Ilia Muravev
  Company: Explyt
  In Russian
- Date: 15.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 3
  Lightning Talks
  Alexey Fyodorov
  Company: JUG Ru Group
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Talk
  Room 1
  What Is LLVM and What Does It Have to Do with Java?
  Andrey Bokhanko
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Partner’s talk
  Room 2
  Alternative Frameworks for Spring
  Denis Ryleev
  Company: RSHB-InTech
  In Russian
- Date: 16.10 / Start: 00:00 – Finish: 00:00
  Conversation
  Room 1
  Conference Closing
  Alexey Fyodorov
  Company: JUG Ru Group
  In Russian

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4K video
So that you can see each character on the slides.
Support
Our support team will reply to you very soon and will not leave you alone.
Discussions
You may chat with speakers and experts right after the talk. Both online and offline.
Change of scene
Offline is back. This is a chance to change the scene, listen to live talks, chat with your colleagues, and just enjoy your time at the afterparty offline.
TechTalks
There is lots of technical content with a little bit of non-technical content. Our conferences will help you find your way in the industry by teaching you about trends, tools, approaches, and global language and platform updates.
The content selected by the experts
The content is included in the program only after it has been checked by the program committee, which has experts with wide experience in Java development.

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We would not be able to hold Joker on a regular basis without the tremendous support of our partners. Our conference is growing and evolving thanks to their efforts.

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Joker 2024

About conference

Talk topics

Talks

Libraries and Frameworks

Tools and Infrastructure

JVM

Data and Storage

Spring

Design and Architecture

Performance

Language features

Asynchronous Programming

API

Keynote

Off Topic