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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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Tech Stack

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

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