Join us to learn, network, and explore together!
May 21 – Workshops
Join one of the seven full-day workshops
May 22–23 – Five talk tracks
More than 100 speakers from leading tech companies
May 22 – Party for all conference attendees
Workshops
Build your skills with in-depth, practical workshops on key areas of Kotlin development.
- 8 hours of hands-on practice
- Expert hosts from JetBrains or certified Kotlin trainers
- Personalized feedback from the hosts
- Preparation materials
- Certificate of attendance
Asynchronous Programming With Kotlin Coroutines
Intermediate
Learn to be productive with Kotlin coroutines and Flows. This workshop covers async programming basics, coroutine contexts, structured concurrency, and Kotlin Flows, helping you enhance your skills for building modern, concurrent applications.
Learn more
Sebastian Aigner, Vsevolod Tolstopyatov, Alejandro Serrano Mena, JetBrains
Deep Dive Into Kotlin Multiplatform: Advanced Techniques for Seamless Code Sharing
Advanced
This is an intermediate/advanced workshop for experienced Kotlin Multiplatform developers. It covers topics such as native integrations, advanced Kotlin Multiplatform for iOS, code quality, app quality, and managing workflows.
Learn more
Pamela Hill, Konstantin Tskhovrebov, JetBrains
Hands-On Kotlin Web Development With Ktor
Intermediate
This workshop covers Ktor, a flexible framework for HTTP apps with Kotlin. Learn to handle requests, WebSockets, databases, and authentication. We’ll also cover testing, deployment, RESTful services, and app structuring with hands-on coding throughout.
Learn more
Anton Arhipov, Leonid Stashevskii, Simon Vergauwen, JetBrains
Building Shared UI With Compose Multiplatform
Advanced
Learn how to build shared UI in Kotlin with Compose Multiplatform! In this workshop, we’ll see how Compose works across platforms, get hands-on with the latest APIs and best practices, and cover advanced topics like interop, accessibility, and testing.
Learn more
Márton Braun, Victor Kropp, JetBrains
Refactoring to Functional Kotlin
Advanced
Kotlin supports both Object-oriented and functional programming, but what can we do with OO code that should be functional? Refactor, of course! This workshop takes a web application and migrates the code to an FP style better suited to today’s architectures.
Learn more
Duncan McGregor, Consulting Developer, Nat Pryce, Consulting Developer
Spring Boot With Coroutines and Virtual Threads
Intermediate
Unlock the full potential of Spring Boot with Coroutines and VirtualThreads! In this workshop, you’ll master Kotlin’s Coroutines to build non-blocking, high-performing APIs in Spring Boot with refined techniques like structured concurrency, streaming and more.
Learn more
Urs Peter, Xebia
Extracting, Transforming, and Analyzing Data With Kotlin
Intermediate
Learn how to build data processing pipelines, extract, aggregate, transform, and present data effectively. You’ll discover how to export data as classes, display it as tables, or visualize it through charts using tools within the Kotlin ecosystem.
Learn more
Aleksei Zinovev, Jolan Rensen, JetBrains
1/0
Program
Explore the KotlinConf 2025 program, packed with the latest updates, deep dives from experts at JetBrains and beyond, and case studies from companies like Duolingo, Uber, and Meta.
Discover hands-on labs and immersive full-day workshops designed to elevate your skills.
May 21
Workshops day
8:00
Registration
Grab your badge and favorite beverage, and get ready for your workshop! Breakfast will be provided.
9:00 - 17:00
Workshops
Dive into the full-day hands-on session of your choice with leading Kotlin experts.
Lunch and coffee breaks are included!
May 22
Conference day 1
7:30
Registration
Pick up your badge and get ready for the keynote.
9:00 – 10:00
Keynote by JetBrains
Be the first to hear Kotlin news from the developers of the language and ecosystem.
10:15 – 18:00
Sessions
Attend KotlinConf sessions, code labs, and partner events.
Lunch and coffee breaks are included!
18:00 – 22:00
KotlinConf Party
Enjoy food, an open bar, music, and of course meeting people at the KotlinConf Party!
May 23
Conference day 2
8:00
Registration
Grab a beverage, and gear up for the second day!
9:00 – 10:00
The second-day keynote
Get inspired first thing in the morning during this insightful talk from a star of the industry!
10:15 – 17:00
Sessions
Participate in more great KotlinConf sessions, code labs, and events!
Lunch and coffee breaks are included.
17:15 – 18:00
Closing Panel
Our partners
See what last year was like
Join us for the Kotlin event of the year!
Conference
May 22–23
Regular admission
€560.00
incl. VAT €700.00
Conference pass for days 1 and 2
- 2 days of sessions, code labs, and unlimited networking on May 22–23
- Food – lunch on both days and a dinner at the party on May 22
- Refreshments – unlimited coffee, tea, and healthy snacks throughout both days
- KotlinConf Party with a live band and open bar
- Exclusive goodies – T-shirts and other surprises
Doesn’t include a workshop pass.
FAQ
Students and teachers are eligible for a 50% discount on General Admission tickets. This discount cannot be applied to Super Early Bird and Early Bird tickets. To apply, please send a copy of your academic ID card or other identifying material to info@kotlinconf.com. You’ll need to be enrolled as a member of your academic institution in May 2025 to receive the discount. Please note that only official institutions qualify.
Tickets are non-refundable, except in the event that your visa is denied or the event is canceled.
You can, however, transfer your ticket to another person by changing the attendee’s name.
You can, however, transfer your ticket to another person by changing the attendee’s name.
Please check the Venue page for information about accommodation offerings.
If you have a voucher, enter it in the Redeem a voucher field before clicking the Buy button. Make sure you redeem your voucher before proceeding as we cannot refund orders that have been inadvertently placed without first attaching a voucher.
We can provide you with a letter of invitation for your visa application. If you need one, please send your full details along with the receipt of your KotlinConf ticket purchase to info@kotlinconf.com.