A conference about everything @Kotlin. Brought to you by @JetBrains. KotlinConf 2027 will take place in Kraków, Poland on April 21–23, 2027.
Joined February 2017
- Tweets1.4K
- Following2
- Followers21K
- Likes953
Kotlin Multiplatform Contest participants have built all kinds of creative projects:
🧑🌾 AI assistant for farmers.
🛟 Flood rescue device.
🎹 Synthesizer that lets you hear mathematical equations.
🤖 Robot control app.
🏓 Game that turns your phone into a ping-pong racket.
What will you build? Join the contest! 🚀
kotlinconf.com/contest/
Your Kotlin story has a destination: Kraków 📍
There are only three weeks left to submit your talk proposal for KotlinConf 2027: kotl.in/gnmin6
490
Let’s rewind to KotlinConf 2019! 🕰️
Can you guess which talk has been watched the most?
A. Gradient Descent: The Ultimate Optimizer
B. Asynchronous Data Streams with Kotlin Flow
C. Coroutines! Gotta catch ’em all!
D. The Power of Types
12%A
38%B
50%C
0%D
8 votes • Final resultsWhich real-world Kotlin topic would you most like a speaker to unpack at KotlinConf? KMP in large codebases
Something else, or want Kotlin + AI on the list? Tell us in the replies 👇
47%KMP in large codebases
3%Structuring coroutines
27%Evolving server-side apps
23%Architecting Compose apps
30 votes • Final results 6
752
Want to be part of what makes KotlinConf happen?
The volunteer call for KotlinConf 2027 is open! Join the team in Kraków and help create a great experience for the Kotlin community.
Apply now: kotl.in/8b9tdz
Which of these topics would you most like to see covered at KotlinConf?
43%Kotlin Multiplatform
25%AI + Kotlin
23%Language and tooling
9%Other - tell us below
44 votes • Final results 4
803
Still ignoring deprecation warnings?
This one comes with a deadline. KotlinConf ticket prices go up on December 10, so book now and get yours at the current price: kotl.in/derp94
Want to see KotlinConf 2027 from the inside? Join the volunteer team for a backstage pass (well, a volunteer badge). Meet fellow Kotlin fans, catch great talks, and help bring the conference to life.
The call for volunteers is open! Apply here: kotl.in/8b9tdz
ALT A group of people stand together at a registration booth for KotlinConf 2027. Above them is signage that reads, "Call for Volunteers - Applications Are Open," accompanied by the KotlinConf logo. The booth has sections for "Speaker and partner registration" and "General registration and information.
7
880
Thinking about speaking at KotlinConf 2027?
You don’t need years of experience or a groundbreaking idea. Get practical advice on shaping your story, writing a clear proposal, and showing reviewers what makes it worth sharing.
Learn more: kotl.in/n69hda
5
755
Oh no, Kodee doesn't yet have a ticket to KotlinConf! Kodee is going to do something about it – and you might want to, too, because KotlinConf ticket prices increase in three days.
Secure your spot and join us in Kraków, Poland, April 21–23, 2027: kotl.in/vl4a8n
ALT A purple plush toy with a large, smiling face and a screen-like chest sits in front of two computer screens displaying a webpage with the title "KotlinConf 2027" and a registration form. A terminal window overlay shows a command with a warning message about a ticket not being found.
Sony’s KMP Journey: Scaling BLE & Hardware with Kotlin Multiplatform by Sergio Carrilho
Watch the KotlinConf’26 talk: 2026.kotlinconf.com/talks/10…
What started as a nine-month initiative became an app installed on millions of devices.
Sergio Carrilho shares Sony’s six-year KMP journey, spanning BLE, background execution, and the move from React Native to Compose Multiplatform.
Go behind the scenes:
kotl.in/7h8vsr
This is one more error you can fix before it even happens: KotlinConf 2027 ticket prices are increasing soon!
Get yours now and join us in Kraków, Poland, April 21–23: kotl.in/l9sjpr
Concurrency Patterns for Modern High Performance Kotlin Servers by Bowen Feng
Watch the KotlinConf'26 talk: kotl.in/aj1lkf
High-performance servers need more than individual async APIs.
Bowen Feng shows how Kotlin coroutines, flows, channels, and structured concurrency come together as reusable patterns for real backend workloads.
Watch the #KotlinConf talk 👇
kotl.in/aj1lkf
"All platforms are unique but some platforms are more unique than others" by Konstantin Tskhovrebov
Watch the full KotlinConf'26 talk: youtube.com/watch?v=wsLoCsZM…
One web target? Try six – or more.
At KotlinConf’26, Konstantin Tskhovrebov explored the unique challenges of bringing Compose Multiplatform to the web and how JetBrains overcomes them.
Watch the talk:
kotl.in/uhuuhe
KotlinConf retweeted
One web target? Try six – or more.
At KotlinConf’26, Konstantin Tskhovrebov explored the unique challenges of bringing Compose Multiplatform to the web and how JetBrains overcomes them.
Watch the talk:
kotl.in/uhuuhe
KotlinConf retweeted
High-performance servers need more than individual async APIs.
Bowen Feng shows how Kotlin coroutines, flows, channels, and structured concurrency come together as reusable patterns for real backend workloads.
Watch the #KotlinConf talk 👇
kotl.in/aj1lkf
Your Kotlin story could take the stage in Kraków! 🎤
The KotlinConf 2027 Call for Papers is now open. Submit your talk and share your ideas, experience, and expertise with the Kotlin community.
Apply now: kotl.in/gnmin6
KotlinConf retweeted
Spring developers, this KotlinConf talk is for you!
In “Bootiful Kotlin”, Josh Long shows how Kotlin fits naturally into Spring Boot – from data access and security to templates, observability, and Spring AI.
Watch it here 👇
youtube.com/watch?utm_source…
🔥 The Kotlin community is already planning the next reunion!
📍 Kraków, Poland
📅 April 21-23
KotlinConf 2027 Super Early Bird tickets are now on sale – it’s the lowest price for the biggest Kotlin event of the year.
🎟️ Get yours today!
kotl.in/conf27-seb-x
