[Remote] Marketing Data Scientist - AI Trainer

Note: The job is a remote job and is open to candidates in USA. DataAnnotation is seeking a Marketing Data Scientist - AI Trainer to develop cutting-edge AI systems while enjoying the flexibility of remote work. The role involves evaluating AI-generated quantitative analysis, solving technical problems, and providing feedback to improve AI models' reasoning about data and scientific issues.ResponsibilitiesEvaluate AI-generated quantitative work, including statistical analysis, predictive modeling, scientific reasoning, and data-driven insights, for technical accuracy and real-world validityDesign and solve quantitative problems used to train and benchmark AI systems, spanning areas like forecasting, experimental analysis, optimization, and statistical inferenceWrite clear technical explanations and well-documented analytical codeProvide feedback that directly shapes the next generation of AI models built for quantitative reasoningSkills2+ 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 fieldSome coding experience required, with comfort writing and reviewing analytical code end-to-endPractical 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 skillsA bachelor's degree in a quantitative field is preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); a master's or PhD is a plusRelevant credentials are a plus (e.g., Kaggle Competition ranking, AWS/GCP ML certifications, or equivalent demonstrated expertise)BenefitsFully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.Flexible schedule: choose which projects you take on and when you work.Impact: help shape the future of AI systems built to reason about data and analytics.Company OverviewWelcome to DataAnnotation! We pay smart folks to train AI. It was founded in undefined, and is headquartered in New York, New York, USA, with a workforce of 5001-10000 employees. Its website is https://dataannotation.tech.