$40-150/hrAs published by the platform.
A Full Stack Engineer working with frontier AI models to evaluate their ability to build complete applications across frontend, API, and database layers. You will trace features through the entire stack to identify where models fail, write corrected versions when needed, and provide detailed explanations that serve as training data for improving future model outputs.
$40-150/hr
Pay as published by the platform. It is not a guarantee of income or hours.
The platform has not published which countries are eligible for this job.
You apply on DataAnnotation: create an account, take the qualification assessment for your field, then pick up paid projects when you qualify.
Official posting: https://www.dataannotation.tech/job-board/full-stack-engineer
Last checked on October 8, 2026.
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