Full Stack Developer (Kotlin or Java)
DataAnnotation
full-remotefreelancefullstack Massachusetts, United States 3 days ago via LinkedIn
Commission-based
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KotlinJavaJavaScriptTypeScriptPythonCC#C++ReactGoSwift
About the role
Role Overview
Join DataAnnotation's coding team to contribute to cutting-edge AI systems development. Work on diverse programming tasks including creating coding problems, building feature-rich applications, and analyzing data to help train and improve AI models.
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++, Go, Java, or Swift
- Excellent writing and grammar skills
- Bachelor's degree (completed or in progress)
- Previous experience as a Software Developer, Coder, Software Engineer, or Programmer (preferred)
Nice-to-Haves
- Experience with Kotlin
- Experience with React
Work Arrangement
- Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand
- Flexible schedule: choose which projects you take on and when you work
- Hourly pay starting at $50+ USD with opportunities for higher rates based on performance
- Payment via PayPal with automatic USD currency conversion
About DataAnnotation
DataAnnotation is an AI development platform that connects a community of over 100,000 professionals to help train and refine AI systems through coding tasks, data annotation, and evaluation work.
Scraped 3/28/2026