Senior Data Scientist - AI Trainer

Senior Data Scientist - AI Trainer supports AI model development by assessing quantitative outputs and building problem sets for training and benchmarking.

Responsibilities

• Review AI-generated quantitative work, including statistical analysis, predictive modeling, scientific reasoning, and data-driven insights, for technical correctness and real-world validity
• Create and solve quantitative problems for AI training and evaluation, covering forecasting, experimental analysis, optimization, and statistical inference
• Produce clear technical explanations alongside well-documented analytical code
• Deliver feedback that influences the next cycle of AI models focused on 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 a closely related area
• Coding experience required, including comfort writing and reviewing analytical code end-to-end
• Practical experience with statistical methods, predictive modeling, and experiment design, including examples such as A/B testing, hypothesis testing, regression, classification, and time-series forecasting
• English proficiency (native or bilingual) with strong writing skills
• Bachelor’s degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); Master’s or PhD is a plus
• Relevant credentials are a plus, such as Kaggle Competition ranking or AWS/GCP ML certifications (or equivalent demonstrated expertise)

Technologies

• English
• Kaggle
• AWS
• GCP

Benefits

• Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand
• Flexible schedule: choose which projects to take on and when to work, using your own computer
• Competitive pay: hourly rates of $50 to $100 USD depending on the project, with bonus rates available on some projects
• Impact: help shape AI systems designed to reason about data and analytics

Contracting Details

• Contract role
• Fully remote: available to candidates located in the US, Canada, UK, Ireland, Australia, and New Zealand
• Hourly compensation: projects paid hourly at $50 to $100 USD, with bonus rates available on some projects
• Flexible schedule: select projects and work times; perform work from home

Note: Payment is made via PayPal. The organization will never ask candidates for money. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand.