Data Jobs in Windsor, CA

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Principal Data Scientist - AI Trainer

DataAnnotation Windsor, CA 🇺🇸 Remote

Windsor, CA

Today

$50 - $140/hr Contract Ai Training Artificial Intelligence Data Analysis

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Job Description

DataAnnotation is hiring a Principal Data Scientist - AI Trainer (contract) to evaluate AI-generated quantitative work and create quantitative tasks for AI model training and benchmarking.

Responsibilities

Review AI-generated quantitative outputs, including statistical analysis, predictive modeling, scientific reasoning, and data-driven insights, ensuring technical accuracy and real-world validity
Design and solve quantitative problems for training and benchmarking AI systems across areas such as forecasting, experimental analysis, optimization, and statistical inference
Produce clear technical explanations alongside well-documented analytical code
Deliver feedback that informs the next generation of AI models focused on quantitative reasoning

Requirements

3+ years of hands-on experience in a quantitative role or research environment (examples include data science, statistics, economics, finance, physics, biology, epidemiology, operations research, or related fields)
Coding experience required, including comfort writing and reviewing analytical code end-to-end
Practical experience with statistical methods, predictive modeling, and experiment design such as A/B testing, hypothesis testing, regression, classification, and time-series forecasting
Fluency in English (native or bilingual) with strong writing skills
Bachelor’s degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); Master’s is a plus
Relevant credentials are a plus (e.g., Kaggle Competition ranking, AWS/GCP ML certifications, or equivalent demonstrated expertise)

Contract Details

Location: Windsor, CA (remote)
Job type: contract
Compensation: USD 50 - 140 per hourly
Schedule: flexible; choose which projects you take on and when you work
Work setup: on your own computer, from home

Benefits

Fully remote: available to candidates in the US, Canada, UK, Ireland, Australia, and New Zealand
Flexible schedule: select projects and timing
Competitive pay: projects paid hourly at $50 to $100 per hour, with bonus rates available on some projects
Impact: help shape AI systems built to reason about data and analytics

Additional Notes

Payment is made via PayPal
We will never ask you for money
This role is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand

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