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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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Tech Stack

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

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