1 of 13

O U R S P O N S O R S

March 18th, 2025

Outbox to the Sea of simulation

How to stop worrying about the tests setup and learn to love Kotlin Type-safe builders

VIE

2 of 13

Sponsors

2

VIE

3 of 13

Housekeeping

Slides available @ http://kotlin.wien

-XenableGarbageCollection

3

VIE

4 of 13

Upcoming Schedule 2025

April: Java Vienna Meetup: "Truffle Meta Compilation� in Action" + Talk by Gerrit aka hansolo 7th April

April: React Vienna Meetup 8th April

April: Kotlin Vienna Meetup @ Sentry 15th April

May: Java Vienna Meetup: "Java Vienna Raffle with� Vaadin" + TBA 5th May

May: KotlinConf 2025 Global Watchparty 21st May� with Kotlin Vienna

4

VIE

5 of 13

Personalvermittlungsfirma mit Fokus auf�IT, Finance und Sales

all people shall advance

VIE

6 of 13

&amp facts and figures

What started 2021, has been a fantastic journey so far. More to come …

6

High growth rate��January 2021: 3 Devs

January 2023: 30 Devs�Mid of 2025: 50 Devs

Academics-focus��Highly qualified and experienced engineers

Certified Cloud Natives

Usage of cloud technology

to accelerate �development and flexibility

Vienna-based��No nearshoring�No offshoring

Developers first��Founded by 3 developers with �the aim of building a culture �and an environment where developers are productive �and happy

Growth to

> 50 employees in 4 years

Thought Leadership

25 Blog posts

6 campustalks

�4 Speakers at Meetups and Conferences

�10 Open Source Contributions

Risk-free MVPs

MVP development at fixed price & fixed time

Short time-to-market��Released 14+ applications in 2 years

VIE

7 of 13

Customers who trust &amp

7

Mobility

Banking & Finance

Energy & Environment

Public & E-health

Startups & Emerging Technologies

7

VIE

8 of 13

Community Interview

VIE

9 of 13

1 Volunteer

7 easy Questions

Your favourite topic

In German or English

9

VIE

10 of 13

Community Interview

Who are you in one sentence?

How long have you been working with Kotlin?

What are you working on (in Kotlin)?

How is Kotlin used in this project?

Tell us about a Kotlin win.

Tell us about a Kotlin fail.

Any problems/wins using Java Libraries?

Kotlin Frameworks / Features:

  • Arrow
  • AtomicFu
  • Coroutines
  • Exposed
  • Gradle DSL
  • HTML DSL
  • Kodein
  • KotlinX-IO
  • Kotlin Serialization
  • Ktor
  • Ktorm
  • MockK
  • TornadoFx

10

VIE

11 of 13

VIE

12 of 13

VIE

13 of 13

Contact us

If you have any questions or want to get in touch with us, you are more than welcome to do so!

Our contact information:

meetup@kotlin.wien

13

VIE