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Get dedicated Kotlin developers to build modern Android apps and robust backend services — from Jetpack Compose UIs to Kotlin-powered server-side systems.
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Your developer works exclusively on your product.
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Developers overlap 4-8 hours with your working day.
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Kotlin is a modern, statically typed language that has become Google's preferred language for Android development, while also gaining traction as a backend language through frameworks like Ktor and Spring Boot. Its concise syntax, null safety, and full interoperability with existing Java code make it a practical upgrade path for teams already invested in the JVM ecosystem.
At ZonSource, our Kotlin developers have hands-on experience building native Android apps with Jetpack Compose, Kotlin Multiplatform projects that share code across Android and iOS, and backend services using Ktor and Spring Boot. They work confidently with Coroutines for asynchronous programming, Room and SQLDelight for local data, and Retrofit for API integration. Whether you need a new Android app built from scratch, a Java codebase migrated to Kotlin, or a developer to join your existing sprint cycle, our team ships clean, null-safe, well-tested code from day one.
Kotlin Developer
Senior · 5+ years avg.
