AI Training Data Scientist — Remote & Flexible Hours

Prolific Academic Ltd; United States; Remote; USD 55,000 - 110,000; Part time

Benefits offered by this job

PayPal acceptance

Job summary

Prolific is seeking Data Scientists and Data Analysts to join our Expert Network to help train and evaluate AI models using real technical expertise. You’ll complete a short test to assess fit and, if successful, join as a paid participant.

Expect paid tasks requiring about an hour of uninterrupted work with rates up to $80 per hour. Tasks may be shorter and are conducted remotely, with flexible hours and global participation.

Qualifications

• BS/MS/PhD in Data Science, Statistics, Mathematics, or a related field.
• Real-world data analysis, predictive modeling, or ML engineering experience.
• Ability to solve complex statistical problems and interpret data visualizations.
• Strong attention to detail and critical thinking for data interpretations.
• Extensive experience using LLMs to assist data workflows; know model limitations.
• Clear and concise communication of mathematical concepts and insights.
• Have a PayPal account to receive payments from clients.

Responsibilities

• Evaluate LLM responses for accuracy and completeness.
• Fact-check technical claims with authoritative references.
• Validate code outputs by running Python/R scripts.
• Annotate model performance and identify strengths/weaknesses.
• Ensure model outputs align with system guidelines.

Skills

Data analysis experience

Predictive modeling

Machine learning engineering

LLM fluency

Analytical mindset

Communication skills

PayPal account

Education

BS/MS/PhD in Data Science/Statistics/Mathematics

Tools

Python (Pandas/NumPy/Scikit-learn)

R

SQL

Tableau/PowerBI/Matplotlib/Seaborn

PyTorch/TensorFlow

Job description

Prolific is seeking Data Scientists and Data Analysts to join our Expert Network to help train and evaluate AI models using real technical expertise. You’ll complete a short test to assess fit and, if successful, join as a paid participant.

Expect paid tasks requiring about an hour of uninterrupted work with rates up to $80 per hour. Tasks may be shorter and are conducted remotely, with flexible hours and global participation.