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Job · Senior

Kotlin Coding Specialist, AI Trainer

Other • Senior • Remote • Full-time • European Union EU/EMEA

As a Kotlin specialist you take real-world engineering scenarios, such as bug reports or feature requests in a Git repository, and write clean, idiomatic solutions used to train AI models. Remote contract work.

Responsibilities

  • ▹Solve real-world engineering scenarios (bug reports, feature requests) with clean, efficient and idiomatic Kotlin
  • ▹Create high-quality code patches that reflect modern Android development practices and ensure technical correctness, maintainability and clarity
  • ▹Evaluate AI-generated code and correct errors
  • ▹Implement optimized Kotlin solutions
  • ▹Document best practices that demonstrate modern Android design patterns and coding conventions

Requirements

  • ▹Hands-on experience with modern Android and Kotlin development, including Jetpack Compose, Kotlin Coroutines and Jetpack libraries such as Room, WorkManager, Datastore, ViewModel and Hilt
  • ▹Familiarity with build.gradle configuration, dependency management and networking libraries such as OkHttp, Retrofit and Coil
  • ▹Strong Android software development background with demonstrable experience building and maintaining production-level Kotlin applications
  • ▹Clear, structured communication and the ability to explain technical decisions
  • ▹Your own secure computer and high-speed internet

Nice to have

  • ▹Experience with Android multimedia tools (CameraX, ExoPlayer, Media3)

Soft skills

Clear, structured communicationExplaining technical decisions

What we offer

  • ▹Pay range of $35+ per hour, with the exact rate based on experience, expertise and location
  • ▹Remote work

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