CodeSubmit Library
Kotlin Developer Assessment
Evaluate Kotlin developers with real-world assessments that mirror actual Android development workflows. Our Kotlin assessments cover modern Android development patterns, Kotlin-specific features, and cross-platform development with Kotlin Multiplatform.
Test candidates on coroutines, null safety, extension functions, and other Kotlin language features that make it superior to Java for Android development.

Why Kotlin Assessment Matters
Kotlin is now Google's preferred language for Android development, offering improved safety, interoperability, and developer productivity. Our assessments help you identify developers who can leverage Kotlin's modern features effectively.
Evaluate expertise in Kotlin coroutines, data classes, sealed classes, and other language features that enable robust Android applications.
Complete Your Technical Assessment
Pair Take-Home Tests with Live Coding
Combine Kotlin take-home challenges with live CodePair sessions. Watch candidates walk through their solution, ask follow-up questions, and see how they handle real-time problem solving.
Perfect for assessing both independent work quality and collaborative coding skills in a single hiring pipeline.
The communication between hiring managers, recruiters and candidates has been incredibly improved since we started using CodeSubmit. There is no 'back and forth' anymore and the technical assessment is running smoothly!

Authentic tasks, not algorithm puzzles.
Take-Home Coding Challenges
Our extensive library of practical coding challenges provides an accurate assessment of candidate programming abilities while delivering a respectful and engaging interview experience.
