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DataAnnotation

Verified Job Source

New York, NY

Software Development
5,001+ people

About

Contract work that fits your background — steady projects, hours you set, and expert rates from $75–$125+/hr. Fully remote.

Open positions

Health Data Analyst - AI Trainer

Remote · Canada

Evaluate AI-generated quantitative analyses and solve quantitative problems used to train and benchmark AI systems. Write clear technical explanations and analytical code, and provide feedback to improve AI models' quantitative reasoning.

Bioinformatician - AI Trainer

Remote · Canada

Evaluate AI-generated quantitative analyses and scientific reasoning for technical accuracy and real-world validity. Develop and solve quantitative problems, write clear explanations and analytical code, and provide feedback to improve AI models.

Epidemiologist - AI Trainer

Remote · Canada

Evaluate AI-generated quantitative analyses and scientific reasoning for technical accuracy and real-world validity. Develop and solve quantitative problems, write clear explanations and analytical code, and provide feedback to improve AI models.

Ultrasound Technologist - AI Trainer

Remote · Australia, Canada, Ireland, New Zealand, United Kingdom, United States

Review de-identified radiology studies and their clinical context, write structured reports, provide impressions and recommendations, and compare independent interpretations. Evaluate AI-generated reports for errors or omissions and provide structured feedback to improve model quality.

Consultant - AI Trainer

Remote · Canada

Create client-style consulting briefs and evaluation tasks, including source files, scoring rubrics, and model answers. Assess and compare AI-generated work for framing, analytical rigor, insight, accuracy, and clarity, then provide structured feedback to improve the models.

Market Strategy Manager - AI Trainer

Remote · Canada

Create client-style business evaluation tasks, including source materials, scoring rubrics, and model answers, then assess AI-generated responses for framing, structure, analytical rigor, insight, and relevance. Identify specific weaknesses, explain the reasoning, compare model responses, and provide structured feedback to improve future versions.

Business Transformation Consultant - AI Trainer

Remote · Canada

Create client-style business evaluation tasks, including source materials, scoring rubrics, and model answers, then assess AI-generated responses against consulting standards. Identify and explain analytical and communication weaknesses, provide structured feedback, and compare model responses to select the strongest output.

Bilingual Content Editor - AI Trainer

Remote · Canada, Israel, United Kingdom, United States

Create realistic Hebrew and English prompts and conversations, then evaluate AI-generated content for accuracy, fluency, grammar, tone, register, cultural appropriateness, and instruction-following. Compare model responses, identify specific errors, and clearly explain judgments across translation, customer support, writing, education, and other language tasks.

Python Developer - AI Trainer

Remote · Canada

Create and solve coding problems, build and debug applications, and write clear code and technical explanations to support AI training. Evaluate AI-generated solutions for accuracy, performance, readability, and best practices, then provide structured feedback to improve AI models.

Bilingual Customer Support Specialist - AI Trainer

Remote · Canada, Israel, United Kingdom, United States

Create realistic Hebrew and English prompts and conversations, then evaluate AI-generated content for accuracy, fluency, grammar, tone, register, cultural appropriateness, and instruction-following. Compare model responses, identify specific errors with evidence, and explain judgments clearly across translation, customer support, writing, education, and cultural-context tasks.

Translator - AI Trainer

Remote · Canada, Israel, United Kingdom, United States

Create realistic Hebrew and English prompts and conversations, then evaluate AI-generated content for accuracy, fluency, grammar, tone, register, cultural appropriateness, and instruction-following. Compare model responses, identify specific errors with evidence, and clearly explain judgments across translation, support, writing, education, and cultural-context tasks.

Embedded Systems Developer - AI Trainer

Remote · Canada

Create realistic electrical and electronics engineering problems and evaluate frontier AI models’ solutions against professional standards. Compare model versions, critique technical outputs, document the reasoning behind evaluations, and identify specific errors across multiple engineering domains.

Electrical Engineer - AI Trainer

Remote · Canada

Create realistic electrical engineering problems and evaluate frontier AI models’ solutions against professional engineering standards. Compare model versions, critique technical outputs, and document evidence-based explanations of errors across multiple electrical engineering disciplines.

Electronics Engineer - AI Trainer

Remote · Canada

Create realistic electrical and electronics engineering problems and evaluate frontier AI models’ solutions against professional engineering standards. Compare model outputs, critique derivations and designs, and document evidence-based explanations of errors across multiple engineering domains.

Auditor - AI Trainer

Remote · Canada, United Kingdom, United States

Present AI chatbots with diverse, complex finance problems and assess their answers for accuracy, reasoning, and performance. Review and improve AI responses, test them with real-world scenarios and edge cases, and provide structured feedback to improve model quality.

Accountant - AI Trainer

Remote · Canada, United Kingdom, United States

Evaluate AI chatbot responses to complex finance and accounting problems for accuracy, logic, and performance. Provide structured feedback and test models with real-world scenarios to improve their reliability and usefulness for finance professionals.

Biostatistician - AI Trainer

Remote · Canada

Design realistic computational biology tasks and supporting files, run them through frontier AI models, and evaluate their outputs against professional standards. Create detailed grading rubrics, document evidence-based errors, compare model responses, and review or refine tasks developed by other experts.

Neuroscientist - AI Trainer

Remote · Australia, Canada, Ireland, United Kingdom, United States

Design realistic experimental biology tasks and supporting files, run them through frontier AI models, and assess their outputs against professional scientific standards. Create detailed grading rubrics, document evidence-based errors, compare model responses, and review or refine tasks created by other experts.

Applied Mathematician - AI Trainer

Remote · Canada

Design challenging mathematical tasks that expose errors in AI model reasoning, define correctness standards, and validate each task before submission. Provide reproducible, step-by-step solutions and identify invalid reasoning, unstated assumptions, and answers reached through incorrect work.

Systems Biologist - AI Trainer

Remote · Canada

Design challenging biology tasks, define correct answers and evaluation standards, and test and validate each task. Provide reproducible step-by-step solutions and identify errors in AI models’ biological reasoning, including missing controls, misinterpreted data, and unsupported conclusions.