Backend Developer (Kotlin/Java, Android APIs)
DataAnnotation
full-remotefreelancebackend North Carolina, United States 5 days ago via LinkedIn
50,000+ USD/annual
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KotlinJavaJavaScriptTypeScriptPythonCC#C++ReactGoSwift
About the role
Role Overview
Join DataAnnotation's coding team to contribute to AI system development by solving programming problems, writing code, and evaluating AI-generated solutions. Work flexibly on projects that align with your schedule and availability.
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 to shape next-generation 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)
- Available to work in: US, Canada, UK, Ireland, Australia, or New Zealand
Nice-to-Haves
- Kotlin experience (preferred)
- Previous experience as a Software Developer, Coder, Software Engineer, or Programmer
Benefits
- Fully remote work from supported countries
- Flexible schedule—choose your own projects and hours
- Competitive pay starting at $50+ USD per hour
- Opportunities for higher-paying projects with strong performance
- Direct impact on AI technology development
About DataAnnotation
DataAnnotation is an AI training platform that connects programmers with AI development tasks. The company leverages a global community of over 100,000 professionals to help refine and advance AI systems through coding challenges, app development, and data analysis work.
Scraped 3/30/2026