Kotlin in 2025: Top Jobs and Developer Salaries

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Kotlin Market in 2025: Who Does Business Need?

The Kotlin language has firmly secured its place in the top 10 most in-demand programming languages. In 2025, the demand for Kotlin developers continues to grow, extending far beyond mobile development. Thanks to its concise syntax, full compatibility with Java, and active support from JetBrains, Kotlin is becoming the standard for Android, backend, and multiplatform projects. We analyzed job aggregators (HeadHunter, LinkedIn, Glassdoor) and identified key trends and the highest-paying positions.

Top 5 Directions for Kotlin Developers

Android Developer (Kotlin)
A classic of the genre. Over 60% of all Kotlin vacancies are related to Android. Knowledge of Jetpack Compose, Coroutines, and architectural patterns (MVVM, MVI) is required. Average salary: $70,000 – $120,000 per year (USA) / 200,000 – 400,000 RUB (Russia).
Backend Developer (Ktor / Spring Boot)
Kotlin is actively replacing Java in microservice architecture. Companies are looking for specialists proficient in Ktor (a framework from JetBrains) or Spring Boot with Kotlin. Knowledge of PostgreSQL, Kafka, and Docker is mandatory. Salary: $80,000 – $140,000.
Kotlin Multiplatform (KMP) Developer
The fastest-growing segment. KMP allows writing shared code for iOS, Android, web, and desktop. Requires understanding of native platforms and the ability to optimize shared modules. Salary: $90,000 – $150,000.
Data Engineer on Kotlin
Kotlin is increasingly used for ETL processes, writing Spark tasks, and data processing. Knowledge of Apache Spark, Apache Kafka, and SQL. Salary: $85,000 – $130,000.
Full-stack Kotlin Developer
Combines frontend (Kotlin/JS) and backend (Ktor). The combination is rare but highly paid. Requires confident knowledge of React or Compose for Web. Salary: $100,000 – $160,000.

Key Skills for Successful Employment

To get into the top vacancies of 2025, employers expect candidates to have the following competencies:

Deep knowledge of Kotlin Coroutines and Flow;
Experience with Gradle (Kotlin DSL) and CI/CD setup;
Understanding of SOLID principles and Clean Architecture;
Ability to write unit tests (JUnit, MockK, Koin Test);
Knowledge of modern tools: Ktor, Exposed, Compose Multiplatform;
Experience working in a team with Git, GitLab CI/CD, Jira.

Trends of 2025: What Has Changed?

The main trend is multiplatform development. If previously Kotlin was associated exclusively with Android, now companies are actively looking for developers capable of creating cross-platform solutions using Kotlin Multiplatform. The second important trend is salary growth in backend. Kotlin backend has become mainstream in startups and large fintech companies. The third trend is remote