Senior Marketing Data Scientist — Personalization & Propensity

Fanatics; Redwood City (CA); Hybrid; USD 170,000 - 210,000; Full time

Job summary

Fanatics is seeking a Senior Data Scientist to drive Marketing Data Science at Fanatics Commerce. This high‑impact, high‑visibility role focuses on improving marketing effectiveness through data science and machine learning, with emphasis on propensity, segmentation, personalization, and optimization.

You will partner with Marketing, Product, Engineering, CRM, and Design to translate ambiguous business questions into structured analyses and scalable models, then deploy them into production to

Qualifications

• 5+ years of hands-on experience in marketing data science or related applied data science domains, with demonstrated ability to build and deploy machine learning models in production environments.
• Strong foundation in statistics and machine learning, including proficiency in Python and SQL and experience working with large-scale datasets.
• Experience working with customer or marketing-related data across use cases such as personalization, segmentation, lifetime value modeling, or experimentation.
• Ability to work independently on moderately complex problems, structuring ambiguous questions into actionable analyses and scalable model solutions.
• Strong communication and collaboration skills, with the ability to present technical findings clearly to both technical and non-technical stakeholders.

Responsibilities

• Translate business problems into well-scoped data science solutions with cross-functional partners.
• Contribute to modeling methodology, code quality, and documentation standards.
• Mentor junior team members through collaboration and feedback on technical work.
• Build, validate, and deploy models for propensity, segmentation, and lifetime value estimation.
• Apply A/B testing and causal inference to rigorously evaluate the impact of deployed models.

Skills

Marketing data science

Python

SQL

A/B testing

Causal inference

Communication

Education

BS or higher in Computer Science/Statistics/Data Science/Math

Job description

Fanatics is seeking a Senior Data Scientist to drive Marketing Data Science at Fanatics Commerce. This high‑impact, high‑visibility role focuses on improving marketing effectiveness through data science and machine learning, with emphasis on propensity, segmentation, personalization, and optimization.

You will partner with Marketing, Product, Engineering, CRM, and Design to translate ambiguous business questions into structured analyses and scalable models, then deploy them into production to