Senior Data Scientist - AI Trainer

DataAnnotation is seeking a Senior Data Scientist - AI Trainer for a remote contracting role based in Alabama to train AI models by evaluating AI-generated quantitative work and providing feedback to improve quantitative reasoning.

Responsibilities

• Evaluate AI-generated quantitative work, including statistical analysis, predictive modeling, scientific reasoning, and data-driven insights, for technical accuracy and real-world validity.
• Design and solve quantitative problems used to train and benchmark AI systems, spanning forecasting, experimental analysis, optimization, and statistical inference.
• Write clear technical explanations and well-documented analytical code.
• Provide feedback that directly shapes the next generation of AI models built for quantitative reasoning.

Requirements

• 3+ years of hands-on experience in a quantitative role or research environment — such as data science, statistics, economics, finance, physics, biology, epidemiology, operations research, or any adjacent field.
• Some coding experience required, with comfort writing and reviewing analytical code end-to-end.
• Practical experience with statistical methods, predictive modeling, and experiment design (e.g., A/B testing, hypothesis testing, regression, classification, time-series forecasting).
• Fluency in English (native or bilingual level) with strong writing skills.

Benefits

• Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
• Flexible schedule: choose projects and timing, on your own computer from home.
• Competitive pay: hourly rates from USD 50 to 100, with bonus opportunities on select projects.
• Impact: contribute to shaping AI systems for quantitative reasoning in data and analytics.

Note

Payments are issued via PayPal. We will never ask for money from applicants. This position is open to candidates in the US, Canada, the UK, Ireland, Australia, and New Zealand.