Backend Developer (Kotlin/Java, Android APIs)
DataAnnotation
full-remotefreelancebackend Texas, United States 3 days ago via LinkedIn
50,000+ USD/annual
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KotlinJavaJavaScriptTypeScriptPythonCC#C++ReactGoSwift
About the role
Role Overview
Contribute to AI development by solving coding problems and evaluating AI-generated code. Work on a flexible, remote-first platform where you choose your own projects and schedule.
Responsibilities
- Design and solve diverse coding problems used to train AI systems, with emphasis on Android development
- Write clear, high-quality code snippets and detailed explanations
- Evaluate AI-generated code for accuracy, performance, and clarity
- Provide feedback that shapes the next generation of AI models
Requirements
- Fluency in English (native or bilingual level)
- Proficiency in at least one programming language: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift
- Excellent writing and grammar skills
- Bachelor's degree (completed or in progress)
Nice-to-Haves
- Preferred experience in Kotlin
- Previous experience as a Software Developer, Coder, Software Engineer, or Programmer
Work Arrangement
- Fully remote (US, Canada, UK, Ireland, Australia, New Zealand only)
- Flexible schedule: choose projects and work timing
- Hourly pay starting at $50+ USD with opportunities for higher-paying projects
- Payment via PayPal
About DataAnnotation
DataAnnotation is an AI development platform that connects programmers with coding tasks to help train and refine AI systems. The company operates a flexible, remote-first community of over 100,000 professionals contributing to real-world AI advancement.
Scraped 3/28/2026