Coroutines
Mastery:


Deep dive and best practices

A cohort-based deep dive into the world of coroutines which will enhance your skills with best practices crafted by industry expert

See Plans
3 Nov - 5 Dec 2025 Online Course
Do you WASTE TIME trying to
master coroutines?
Are you LOSING PERFORMANCE to leaks and odd behavior?
Do you feel CLUELESS when code breaks unexpectedly?
Is coroutine complexity making you feel LOST?

What will you learn

From basics

to advanced patterns

01.
Start using coroutines
with confidence

Without making edge-case mistakes

02.
Learn how to use
coroutines in all situations

Properly to ensure efficiency

03.
Learn the best
practices

And how to avoid common mistakes

04.
Understand the most essential coroutines-related patterns

To increase scalability

05.
Set up and test your project properly

To improve code quality

06.
Debug coroutines and find memory leaks

Like Dr House of programming

Is this course for you?

This course is perfect for you if you’re a…


Coroutine newcomer

Learn coroutines from scratch, solve practical exercises, and see real-life examples.

Android or backend engineer

Dedicated materials showing how to use coroutines on typical applications properly.

Experienced coroutine practitioner

Gain deep understanding, refine patterns, avoid pitfalls, and boost performance.

Team
of developers

Elevate together to become effective in developing efficient applications.

QA engineers,
testers, etc.

This course is dedicated to all users of Kotlin Coroutines.

What's inside?

Coroutines Mastery in a nutshell

5 weeks-long course
Every week, over 5 + 5 hours of in-deeph lessons
Lectures, exercises, and LIVE Q&As
Closed community of attendees and experts
Backend and Android Developer Resources
6 months of access to all material
Kotlin Coroutines: Deep Dive ebook included
A certification granted upon successful completion
Monday
Tuesday
Wednesday
Thursday
Friday
1
Course opening
New daily lesson
+ exercise
New daily lesson
+ exercise
New daily lesson
+ exercise
Live Q&A
New daily lesson
+ exercise
2
New daily lesson
+ exercise
New daily lesson
+ exercise
New daily lesson
+ exercise
New daily lesson
+ exercise
Live Q&A
New daily lesson
+ exercise
3
New daily lesson
+ exercise
New daily lesson
+ exercise
New daily lesson
+ exercise
New daily lesson
+ exercise
Live Q&A
New daily lesson
+ exercise
4
New daily lesson
+ exercise
New daily lesson
+ exercise
New daily lesson
+ exercise
New daily lesson
+ exercise
Live Q&A
New daily lesson
+ exercise
5
New daily lesson
+ exercise
New daily lesson
+ exercise
New daily lesson
+ exercise
New daily lesson
+ exercise
Live Q&A
New daily lesson
+ exercise

Week by Week

A clear path to progress

Week 1
1.
Coroutine essentials
Week 2
2.
Advanced Coroutines
Week 3
3.
Synchronization and Flow
Week 4
4.
Hot flow
Week 5
5.
Coroutines in real-life projects

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)


Feedback

Real feedback from engineers mastering Kotlin Coroutines.

Certificate

Certified Coroutines Developer

Your Badge of Coroutines Mastery.


This certificate recognizes true coroutines experts, who possess deep understanding and practical knowledge of patterns and antipatterns. We create an elite of developers, and these certificates help distinguish them in stashes of CVs.
Key benefits:

Verified expertise - thorough, project-based assessment
‍
Elite community - join a network of certified coroutine specialists
‍
Career catalyst - showcase concrete proof of advanced skills

Expert Access

Join live Q&A sessions with leading Kotlin Coroutines experts:

Roman Elizarov
Original creator of Kotlin Coroutines

‍Shares the design principles behind coroutines.
‍
Marcin Moskala
Certified Kotlin Trainer
‍
‍Tackles real-world challenges developers face daily.
‍
Vsevolod Tolstopyatov
Kotlin Project Lead at JetBrains
‍
‍Offers insights into what's next for coroutines from the Kotlin team.
Roman and Vsevolod will each host two exclusive sessions, while Marcin will lead regular weekly Q&As, ensuring ongoing support and expert guidance throughout the course.

Marcin’s sessions happen every Thursday at 1:00 PM and 6:00 PM CET

Can’t attend live? Submit your questions in advance.

All sessions are recorded.

Get acces now!

Don’t wait - code smarter now

Access for an
Individual
  • 4+1 weeks of guided learning
    New Kotlin Coroutines programme, taught by JetBrains-certified trainer Marcin Moskala and the kt.academy expert team.
  • ~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
1999 PLN
1999 PLN
The course starts November 3rd 2025
Join the Course
Access for a
Team
  • We are trusted by:
    Accenture, Allegro, Atlassian, Bloomberg, Empik, FlixBus, IBM, ING, LinkedIn, Octopus Energy, Paramount, Philips, PKO Bank Polski, REWE digital GmbH, SAP, Schibsted, Spotify, The New York Times Company, Vinted and many more...
    Extras:
  • Special price for a team
  • Private Q&A for your company when you enrol 20 + people.
  • VAT invoice & bank transfer instead of online checkout.
  • Extended payment window – up to 30 days.
  • Money-back guarantee if the cohort isn’t a fit.
Let's Speak!
Halina Ciccone
Head of Corporate Training Partnerships
halina@kt.academy+48 731 646 687
Get an offer

FAQ

Frequently asked questions

What is the required experience level in Kotlin Coroutines?
Do I need to know Kotlin?
Is this course for backend or Android developers?
Is it for individual developers or teams?
Will I need to buy extra software or licences?
What’s the calendar and delivery format?
Do I get a certificate?
What does “Kotlin Training Certified by JetBrains” mean and why does it matter for me as a developer?
What is this final project?
Who teaches this course?
Are live Q&A sessions recorded?
How much time should I set aside?
How long do I have access to the materials?
Can my company pay from a training budget?
Are there team discounts?

Contact us

Halina Ciccone |
Head of Corporate Training Partnerships

halina@kt.academy

Learn More

Marcin Moskala

kt. academy

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Empower Your Engineering Team
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Empower Your Engineering Team
Build a shared language of best practices and accelerate your projects.  Get our tailored proposal for companies and learn how Coroutines Mastery drives team efficiency.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Empower Your Engineering Team
Build a shared language of best practices and accelerate your projects.  Get our tailored proposal for companies and learn how Coroutines Mastery drives team efficiency.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.