HOW IT WAS LAST YEAR

While we’re working on this year’s agenda, please use the time to see what Java conference was like in 2021

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Andrzej Grzesik

Principal Backend Engineer

JDK 17 in Production.
Crazy, or crazy not to?

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Grzegorz Piwowarek

Principal Backend Engineer

Hazelcast 5.0 - Hitchhiker's Guide

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Philipp Krenn

Developer Advocate

OpenTelemetry for Java Developers

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Patrycja Wegrzynowicz

Senior Platform Engineer

A Multi-Cloud Cluster Mesh Based on Kubernetes with Cilium

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Rahman Usta

Senior Software Developer

Project Loom - Scalable Concurrency with Virtual Java Threads

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Andriy rodionov

JUG UA leader

GraalVM Native image

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Adam
Bien

Javanese

Freelancer

Fireside chat

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Speakers

Christoph Engelbert

Senior Developer Advocate, Timescale

Christoph Engelbert is a developer by heart, with strong bonds to the open source world. As a seasoned speaker on international conferences, he loves to share his experience and ideas, especially in the areas of scalable system architectures and back-end technologies, as well as all things programming languages.

Christoph Engelbert

Senior Developer Advocate

Fireside chat

Nicolas Fränkel

Developer Advocate at ApacheAPISIX

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. Also double as a trainer and triples as a book author.

Nicolas Fränkel

Developer Advocate

Topic:
Discussing Backend For Front-end

Eugene Trufanov

Lead DevOps Engineer at Luxoft

Multi-domain IT specialist with >15 years of professional experience.

Started as an "any key" system administrator, worked as a software developer, InfoSec, infrastructure engineer, systems engineer, IT manager and DevOps team lead in companies in a range from small startups to enterprises like Microsoft and top banks, supporting systems from high-voltage hardware for gas production stations and campus networks to distributed grid computing systems with thousands of engines.

Eugene Trufanov

Lead DevOps Engineer

Topic:
Unstuck it: Career development for senior engineers

Simon Ritter

Deputy CTO at Azul Systems

Simon Ritter is the Deputy CTO of Azul Systems. Simon joined Sun Microsystems in 1996 and spent time working in both Java development and consultancy. He has been presenting Java technologies to developers since 1999 focusing on the core Java platform as well as client and embedded applications.

At Azul, he continues to help people understand Java and Azul’s JVM products. He represents Azul on the JCP Executive Committee as well as the JSR Expert Groups for Java SE 9 and later.

Simon Ritter

Deputy CTO

Topic:
Java on CRaC: Superfast JVM Application Startup

Yuriy Zaychik

Senior Java Developer at Luxoft

Software engineer with 13 years of experience in areas like navigation, agriculture, healthcare and online games.

Main interests: Java core, RESTful web services, GIS tools and features, web back-end and front-end.

Yuriy Zaychik

Senior Java Developer

Topic:
Java gears in Data Science

Georgios Andrianakis

Principal Software Engineer

Georgios is currently the most active contributor for Quarkus and he in all sorts of areas, like RESTEasy Reactive, Spring compatibility, Kubernetes support, testing, Kotlin.He is also an enthusiastic promoter of Quarkus who never misses a chance to spread the Quarkus love!

Georgios Andrianakis

Principal Software Engineer

Workshop
Developing reactive microservices in Quarkus

Max Tymchii

co-Founder at TechToloka

Co-founder TechToloka, founder of “Project “Р.І.Д.“, participant of GDG Cherkasy, host at GDG DevFest Ukraine, CocoaHeads Ukraine.Engineering Manager at Jetbeep

Max Tymchii

co-Founder

HOST

Anna Kurylo

Engineering Manager at Red Hat, co-host of SFTP podcast

Anna is an engineer-turned-engineering manager with a passion to help people progress in their careers. She is a mentor and a co-host of SFTP podcast, focused on women in tech.

Anna Kurylo

Engineering Manager at Red Hat, co-host of SFTP podcast

HOST

Conference topics

(GMT +3)

5:10 pm

Fireside chat

Fireside chat with Christoph Engelbert, Senior Developer Advocate, Timescale

5:50 pm

Track 1

Java gears in Data Science

In recent years, many curious projects appeared that can make Java closer to data science. Among these tokens are interesting JEPs, experimental JVM features, open source libraries and  projects from Oracle Labs.

We'll have a look on:
- how to accelerate vector math operations using SIMD,
- how to bring JVM together with GPU and perform general purpose GPU calculations,
- features of the "Tribuo" Java library created by Oracle labs for machine learning.

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Yuriy Zaychik

Senior Java Developer, Luxoft

Track 2

Discussing Backend For Front-end

In the good old days, applications were simple. A browser sent a request to a webapp endpoint; the latter fetched data from a database and returned the response.

The rise of mobile clients and integrations with other apps upset this simplicity. I want to discuss one solution to handle the complexity in this speech.

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Nicolas Fränkel

Developer Advocate, ApacheAPISIX

20:00 - 21:00

панельна дискусія

7:30 pm

Воркшоп
Дуже цікавий воркшоп на атуальну тему

Ім’яім’я Призвищприз

Position Position

  • Рівень складності: Middle+.
  • Кількість місць обмежена
  • Участь безоплатна
  • Детальніше про нього тут

попередня Реєстрація обов’язкова

Реєстрація на воркшоп

6:30 pm

Track 1

Java on CRaC: Superfast JVM Application Startup

One of the key benefits of a microservice architecture is the ability to dynamically respond to changes in load by spinning up new instances as required. However, when deploying JVM-based services, the warmup time of JIT compilation can be a limitation on the effectiveness of this technique.

One approach to solving this problem is using native images, where the service is statically compiled using an ahead-of-time (AOT) compiler.  Although this does reduce startup time and footprint, it does so at the costof overall performance.A new project has been proposed and accepted into OpenJDK called CRaC (Coordinated Restore at Checkpoint).  The goal is to research the co-ordination of Java programs with mechanisms to checkpoint (snapshot) a running application.  Restoring from the snapshot could solve some of the problems with the startup and warmup times, especially in microservices.In this session, we’ll look at the main challenges for such a project, potential solutions and the results from a proof-of-concept implementation.

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Simon Ritter

Deputy CTO, Azul Systems

Track 2

Unstuck it: Career development for senior engineers

Quite often, career growth stagnates when an engineer reaches a senior or lead position because there are no obvious positions to fit evolutionary, which could lead to job hopping.

How to keep valuable employees engaged and help with professional and personal development?Paths: engineering vs management- Using a framework- Extending your portfolio- Developing soft skills- Increasing visibilityWhen you are ready: next steps

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Eugene Trufanov

Lead DevOps Engineer, Luxoft

7:30 pm

#Workshop
Developing Reactive Microservices in Quarkus

Difficulty level: Middle+  •  Limited seats  •  Free to attend

From Day 1 Quarkus has provided support for developing reactive microservices and this support has only been improved and refined over time. In this workshop we'll go through the steps necessary to develop microservices that are fully reactive, from the HTTP layer down to the persistence layer.

Georgios Andrianakis

Principal Software Engineer, Red Hat

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Together we collected 40 backpacks for school

We learn something new every day and want to help others learn. That's why we decided together with the Caritas charity fund to collect 40 backpacks for little Ukrainians.

We delivered these backpacks to children from immigrant families and from families in need of financial assistance.

We collected 10 backpacks with the support of the Java Community 💪, and Luxoft donated the amount for another 30 backpacks.

You can steel join with any convenient donation — every UAH 5 is important. A link with the possibility to make a charitable contribution will be on the screen, as well as in a letter in the mail.

Everything will be Ukraine!

20 notebooks:
checkered and wide-ruled paper

Charcoal and colored
pencils, blue pens

Watercolor and gouache
paints, brushes, art paper

1 pencil box, 1 ruler,
1 sharpener, 1 eraser, 1 glue

Construction paper
sheets, scissors

Modeling clay kit

6

34

6

рюкзачків зібрано

40 SCHOOL BACKPACKS

We learn something new every day and want to help others learn. That's why we decided together with the Caritas charity fund to collect 40 backpacks for little Ukrainians.
We will deliver these backpacks to children from immigrant families and from families in need of financial assistance.
The cost of 1 backpack is UAH 1,250, so we need UAH 50,000.

Join with any convenient donation — every UAH 5 is important. A link with the possibility to make a charitable contribution will be on the screen after registration, as well as in a letter in the mail.
Everything will be Ukraine!

20 notebooks:
checkered and wide-ruled paper

Charcoal and colored
pencils, blue pens

Watercolor and gouache
paints, brushes, art paper

1 pencil box, 1 ruler,
1 sharpener, 1 eraser, 1 glue

Construction paper
sheets, scissors

Modeling clay kit

6

34

6

SCHOOL BACKPACKS COLLECTED

Наша конференція пройде на 3D-платформі PartySpace

Реєструйся зараз, а в день івенту створи свого 3D-аватара, щоб приєднатися
на затишний fireside chat, послухати доповіді на двох треках і відвідати воркшоп. Це буде космічно — до скорої зустрічі!

Organizer

With about 4,000 specialists on board, Ukraine is the most developed location in Luxoft's geography. 

Luxoft is a digital strategy and software engineering firm providing bespoke technology solutions that drive business change for customers the world over.

Luxoft is a global operation in 21 countries with an international, agile workforce of nearly 18,000 people. It combines a unique blend of engineering excellence and deep industry expertise in the areas of automotive, financial services, travel and hospitality, healthcare, life sciences, media and telecommunications.

Our biggest Java projects:

Java is one of the leading technologies used at Luxoft to create large-scale solutions for a wide range of clients from various industries. Our solutions are used by global banks, retail giants and international airlines.

Finances

Retail

Tourism

partners