Backend Developer (Kotlin/Java, Android APIs)
DataAnnotation
full-remotefreelancebackend New York, United States 3 days ago via LinkedIn
50,000+ USD/annual
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KotlinJavaJavaScriptTypeScriptPythonCC#C++ReactGoSwift
About the role
Role Overview
Join DataAnnotation's coding community to contribute to AI development with full flexibility. Work on diverse programming tasks including creating coding problems, building feature-rich applications, and analyzing data to help train and refine AI systems.
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 directly shapes the next generation of AI models
Requirements
- Fluency in English (native or bilingual level)
- Proficiency in at least one of: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift
- Excellent writing and grammar skills
- Bachelor's degree (completed or in progress)
Preferred Qualifications
- Experience with Kotlin
- Previous experience as a Software Developer, Coder, Software Engineer, or Programmer
Work Arrangement
- Fully remote, work from anywhere (US, Canada, UK, Ireland, Australia, New Zealand)
- Flexible schedule: choose projects and work times
- Hourly pay starting at $50+ USD, with higher-paying opportunities available
- Payment via PayPal
About DataAnnotation
DataAnnotation is an AI development platform that leverages a community of over 100,000 professionals to help advance AI systems through coding tasks, data analysis, and model refinement.
Scraped 3/28/2026