Kotlin Coding Specialist – Freelance AI Trainer

Invisible Technologies

. Use real-world engineering scenarios such as bug reports and feature requests in Git repositories to produce clean, efficient, and idiomatic Kotlin solutions .

Posted 11/4/2026contractRemote • TurkeyMid-LevelSenior💰 $35 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Kotlin and modern Android development, with a focus on producing clean, efficient code and implementing best practices in application design. Proficient in evaluating and optimizing code, ensuring maintainability and technical correctness.

Highest-signal resume keywords

Kotlin ExpertiseModern Android DevelopmentJetpack ComposeKotlin CoroutinesProduction-Level Application Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

KotlinAndroid DevelopmentCode OptimizationTechnical DocumentationBug FixingFeature ImplementationDependency ManagementNetworking LibrariesBuild.gradle ConfigurationAI Code Evaluation

Soft Skills

Clear CommunicationStructured Explanation

Tools & Technologies

Jetpack LibrariesRoomWorkManagerDatastoreViewModelHiltOkHttpRetrofitCoilCameraX

Industry Keywords

Android Design PatternsCoding ConventionsMultimedia ToolsExoPlayerMedia3

Tech Stack

Tools & technologies

AndroidGradleKotlin

About the role

Key responsibilities & impact

Use real-world engineering scenarios such as bug reports and feature requests in Git repositories to produce clean, efficient, and idiomatic Kotlin solutions
Create high-quality code patches reflecting modern Android development practices
Ensure technical correctness, maintainability, and clarity
Evaluate AI-generated code and correct errors
Implement optimized Kotlin solutions
Document best practices demonstrating modern Android design patterns and coding conventions

Requirements

What you’ll need

Kotlin expertise and hands-on experience with modern Android and Kotlin development
Experience building and maintaining production-level Kotlin applications
Experience with Jetpack Compose, Kotlin Coroutines, and Jetpack libraries including Room, WorkManager, Datastore, ViewModel, and Hilt
Familiarity with build.gradle configuration and dependency management
Familiarity with networking libraries including OkHttp, Retrofit, and Coil
Clear, structured communication and ability to explain technical decisions
Android multimedia tools including CameraX, ExoPlayer, and Media3 are a plus

Benefits

Comp & perks

Pay range of $35+ per hour, with the exact rate determined after evaluating experience, expertise, and geographic location
As a contractor, supply a secure computer and high-speed internet