Polished Compose

The mind behind the knowledge

Marcin Moskala

Meet our expert! Marcin Moskala is a Certified Kotlin Trainer by JetBrains and a renowned expert in Kotlin Coroutines.  

The author of the most popular and influential book about Kotlin Coroutines, a trainer who taught coroutines to hundreds of developers, and a popular conference speaker whose presentations often have no empty seats.  

He is also known for his other books, like Effective Kotlin: Best Practices, and his over-decade-long dedication to teaching Kotlin.

(This work is based on trainer experiences from over 50 editions of the Kotlin Coroutines workshop) 

Built & Taught by Experts

Jov Mit

Meet our expert! Jov Mit is a lead Android developer, mentor, and a software craftsman, specializing in Jetpack Compose, clean code, and TDD.

He teaches through hands-on workshops and codelabs inside his Android devs community, and on other platforms like Droidcon Academy. He publishes practical Compose tutorials and best practices on his YouTube channel.

Jov also writes about architecture and testing, and shares implementation guides on his blog.

Recent topics include custom layouts, Views ↔ Compose interop, Screenshot testing, CI/CD, architectural approaches, and navigation patterns—rooted in real-world project experience and community mentoring.

Choose your learning path

Focus on Polished Compose — or commit to the full Compose Mastery Track.

core course

Visual Focus

Polished Compose

2 weeks of guided learning
~7h + extra 7h a week of live practice-first sessions, coding challenges, and two real-time Q&As a week
Follow the entire pathway or drop in on the topics that matter most to you.
A vibrant peer community
Share ideas and feedback every day. 
6 months on-demand library
Re-watch every lesson and download every resource for a full 6 months after the cohort ends.
Certificate of Completion
Earn proof of your new skills and share it with your employer once you finish the capstone projects

999 PLN

499 PLN

(excl. VAT)

Join Polished Compose

best value

Compose Mastery Bundle

Advanced Compose
& Polished Compose

Level: Advanced
Dates: April 13 – May 1
Architecture, Performance, Testing

Complementary Course
Dates: June 8 – June 19 
Design systems, Material 3, Motion Design

1999 PLN

999 PLN

(excl. VAT)

Choose the full track

Team Access

Halina Ciccone
Head of Corporate Training Partnerships

halina@kt.academy

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Extras:

Special price for a team
Private Q&A for your company when you enrol 20 + people.
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A clear path to progress

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