Freelance App Developer - AI Trainer
DataAnnotation
full-remotemidfreelancemobileother California, United States 17 days ago via LinkedIn
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KotlinAndroid DevelopmentJavaScriptTypeScriptPythonReactCode ReviewTechnical WritingAI TrainingRemote Work
About the role
Role Overview
Freelance App Developer – AI Trainer with DataAnnotation. You’ll work remotely, help train state-of-the-art AI systems, and take on programming tasks that may include building Android-focused apps, evaluating AI-generated code, and writing high-quality explanations.
Responsibilities
- Design and solve diverse 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)
- Prior experience as a software developer/coder/software engineer/programmer (preferred)
Preferred Qualifications
- Kotlin experience
- Proficiency in at least one: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift
Logistics & Compensation
- Fully remote (work from anywhere within the listed countries)
- Flexible schedule; choose which projects to take on
- Paid hourly, $50–$100+/hr (higher-paying projects with strong performance)
- Payment via PayPal
Eligibility / Location
- Available only to people based in: US, Canada, UK, Ireland, Australia, New Zealand
About DataAnnotation
DataAnnotation is a platform and community that connects a large global pool of professionals with paid work to develop and improve AI systems. It spans roles across front-end, back-end, full-stack, and machine learning to deliver real-world impact in AI development.
Scraped 4/28/2026