Role Overview

DataAnnotation is seeking Full Stack Engineers to evaluate AI-generated end-to-end web applications. You will assess how AI models build and connect frontend interfaces, APIs and databases, identify issues across the stack, and provide working solutions.

Responsibilities

• Work with frontier AI models on real end-to-end development tasks.

• Build and assess features connecting user interfaces, APIs and databases.

• Trace features across application layers to identify issues such as stale state, data leaks and faulty database migrations.

• Provide working implementations when AI-generated solutions fall short.

• Evaluate solutions from the frontend component through to the underlying database schema.

Suitable Backgrounds

• Full-Stack Engineer

• Web Developer

• Product Engineer

Requirements

• Professional or serious open-source experience shipping full-stack applications.

• Experience working across the stack, including:

  • JavaScript frontend

  • API layer

  • Database

• Strong written English and ability to clearly explain technical decisions.

• No degree required.

Compensation & Work Details

• Pay: Up to $75–$150+ per hour, depending on task difficulty and specialization.

• Location: Remote

• Commitment: Flexible hours

• Type: Independent contractor

• Payouts: Weekly

• Contributors may earn $10,000–$100,000+ per year; some use the work as a full-time income.