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Freelance App Developer - AI Trainer

DataAnnotation

full-remotemidfreelancemobileother Pennsylvania, United States 112 days ago via LinkedIn
Up to 72,000 USD/annual

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Tags

AI TrainingAndroid DevelopmentKotlinJavaTypeScriptJavaScriptPythonReactCode EvaluationTechnical Writing

About the role

Role overview

Freelance App Developer – AI Trainer with DataAnnotation. You’ll work with state-of-the-art AI models on programming tasks that help train and improve intelligent systems. The role is fully remote with a flexible schedule, and you choose projects that fit your availability.

Responsibilities

  • Design and solve coding problems used to train AI systems, with an 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 helps shape the next generation of AI models

Requirements

  • Fluency in English (native or bilingual)
  • Excellent writing and grammar skills
  • Bachelor’s degree (completed or in progress)
  • Preferred: experience as a Software Developer/Coder/Software Engineer/Programmer

Nice-to-haves

  • Kotlin experience (preferred)
  • Proficiency in at least one of:
    • JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Swift

Compensation & logistics

  • Paid hourly per project, up to $60 USD/hour (higher-paying projects possible with strong performance)
  • Payment via PayPal
  • Availability limited to: US, Canada, UK, Ireland, Australia, New Zealand
  • Hiring process includes a short assessment after account signup

About DataAnnotation

DataAnnotation is a platform and coding community focused on contributing to the development of AI systems. It connects large numbers of engineers and programmers to perform real-world AI training tasks, including building apps, evaluating AI-generated code, and providing structured explanations and feedback.

Scraped 4/7/2026