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Marcin Moskała

Marcin Moskala is a highly experienced developer and Kotlin instructor as the founder of Kt. Academy, an official JetBrains partner specializing in Kotlin training, Google Developers Expert, known for his significant contributions to the Kotlin community. Moskala is the author of several widely recognized books, including "Effective Kotlin," "Kotlin Coroutines," "Functional Kotlin," "Advanced Kotlin," "Kotlin Essentials," and "Android Development with Kotlin."

Beyond his literary achievements, Moskala is the author of the largest Medium publication dedicated to Kotlin. As a respected speaker, he has been invited to share his insights at numerous programming conferences, including events such as Droidcon and the prestigious Kotlin Conf, the premier conference dedicated to the Kotlin programming language.

Workshops

Beginner
Advanced
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2 days
New

Compose Essentials

Learn to use Jetpack Compose for real-world Android applications.

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2 days
New

Advanced Compose

Learn advanced aspects of Jetpack Compose.

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1 day
New

Recomposition Master

Understand recomposition and optimize your Jetpack Compose applications.

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3 days
Top

Kotlin Coroutines

Dive deep and learn how to effectively use Kotlin Coroutines.

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2 days

Kotlin Coroutines Intensive

Learn essentials of Kotlin Coroutines in just 2 days

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3 days

Kotlin for Developers

Everything that a developer needs to know about Kotlin.

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3 days

Kotlin Pro

For Kotlin Developers who want to master everyday Kotlin usage.

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2 days
Top

Kotlin Mastery

Master safe and efficient Kotlin programming.

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2 days

Kotlin Expert

Learn about the most advanced Kotlin tools and patterns.

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2 days

Custom Kotlin Workshop

Kotlin workshop tailored to your needs.

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2 days

Testing in Kotlin

Improve your testing skills with modern Kotlin tools and libraries.

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Open workshops

Planned workshops that anyone can join

Recomposition Master

Understand recomposition and optimize your Jetpack Compose applications.

14.03.2025-14.03.2025 9:00-17:00 CET (UTC+1)
dollar
200 EUR

Kotlin Expert

Learn about the most advanced Kotlin tools and patterns.

27.03.2025-28.03.2025 9:00-17:00 CET (UTC+1)
dollar
350 EUR
till 01.03.2025
dollar
400 EUR

Kotlin Coroutines

Dive deep and learn how to effectively use Kotlin Coroutines.

16.04.2025-18.04.2025 9:00-17:00 CET (UTC+2)
dollar
450 EUR
till 16.03.2025
dollar
500 EUR

Advanced Compose

Learn advanced aspects of Jetpack Compose.

24.04.2025-25.04.2025 9:00-17:00 CET (UTC+2)
dollar
300 EUR
till 24.02.2025
dollar
350 EUR
till 24.03.2025
dollar
400 EUR

Kotlin Mastery

Master safe and efficient Kotlin programming.

08.05.2025-09.05.2025 9:00-17:00 CET (UTC+2)
dollar
300 EUR
till 01.03.2025
dollar
350 EUR
till 01.04.2025
dollar
400 EUR

Books

Marcin MoskałaThe author:
Marcin Moskała
Marcin MoskałaThe author:
Marcin Moskała
Marcin MoskałaThe author:
Marcin Moskała
Marcin MoskałaThe author:
Marcin Moskała
Marcin MoskałaThe author:
Marcin Moskała
Marcin MoskałaThe author:
Marcin Moskała
Marcin MoskałaThe author:
Marcin Moskała
Marcin MoskałaThe author:
Marcin Moskała

Published articles

The problems of Kotlin/Wasm I had when making a game

A short story of the problems I needed to face when publishing a simple game made with Kotlin/Wasm.

Collection Processing Guessing Game!

A fun game that pushes your understanding of Kotlin collection processing.

How modifiers order affects Compose UI appearance

A complete explanation of how modifier order affects the appearance of your Jetpack Compose UI.

Kotlin Christmas Dream

My dream about the future of Kotlin.

Is reflection slowing down your code?

Let's benchmark reflection and see how it affects the performance of your code.

Jetpack Compose Modifier Guessing Game!

A fun game to learn about Jetpack Compose modifiers.

Using BlockHound to track blocking calls in non-blocking dispatchers

How to use BlockHound to track blocking calls in non-blocking dispatchers.

Representing ViewModel events with StateFlow vs. SharedFlow vs. Channel

What is the best way to represent ViewModel events in Kotlin?

The best dispatcher for a backend framework

Let's explore different dispatchers and find the best one for a backend request handlers.

Reviewed articles

Running Kotlin coroutines on Project Loom's virtual threads

How to use Project Loom to improve Coroutines performance.

A birds-eye view of Arrow: Data Immutability with Arrow Optics

Learn to use Arrow Optics to support working on immutable objects.

Slowing down your code with Coroutines

How can we use coroutines to slow down our code, and why would we want to do that.

A birds-eye view of Arrow: Error Handling

Learn about Error Handling in Arrow, end how to effectively work with Either.

A birds-eye view of Arrow: working with function with Arrow Core

Learn about essential Arrow functions used for composition, memoization, recursion and functions generation.

Persistent memory design choices and use-cases

Let's understand some design choices with persistent memory and use-cases of persistent memory.

Persistent dictionary

Let's make our in-memory dictionary persistent and understand some concepts of PMDK.

Introducing persistent memory

Let's learn the basics of persistent memory, its characteristics, how it works and the beauty of byte addressability.

In-memory dictionary

Let's begin our journey to understand persistent memory by building an in-memory dictionary.