Fanatics

Senior Data Scientist, Marketing Science and Personalization

Fanatics$170K — $210K *
Consumer Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years experience in marketing data science or related areas, with proven ability to deploy machine learning models in production.
  • Strong knowledge of statistics and machine learning, proficient in Python and SQL, and experienced with large datasets.
  • Experience with marketing data applications like personalization, segmentation, or lifetime value modeling.
  • Capability to independently tackle moderately complex analytical challenges and translate ambiguous questions into operational solutions.
  • Effective communication skills, able to convey technical findings to both technical and non-technical audiences.
  • Familiarity with experimental design and measurement methods, including A/B testing and causal inference techniques.
  • Experience collaborating with cross-functional teams across Marketing, Product, and Engineering.

Responsibilities

  • Partner with cross-functional teams to translate business problems into data science solutions.
  • Contribute to best practices in modeling methodology, code quality, and documentation.
  • Mentor junior team members through collaboration and feedback on technical work.
  • Build, validate, and deploy models that enhance marketing effectiveness and customer experience.
  • Analyze large datasets to identify trends and opportunities to improve marketing performance.
  • Implement rigorous evaluation techniques such as A/B testing to assess model impact.
  • Develop and deploy scalable data science solutions in collaboration with engineering.

Benefits

  • Flexible hybrid work environment with specified office days.
  • Opportunity to travel for partner meetings and events up to 10% of the time.
Full Job Description
ROLE OVERVIEW

We are seeking a Senior Data Scientist to drive Marketing Data Science at Fanatics Commerce. This is a high-impact, high-visibility role focused on improving marketing effectiveness through data science and machine learning. You will work on key modeling areas such as purchase propensity, digital ad optimization, customer routing, incrementality, and personalization - helping to build and deploy models that drive measurable business outcomes.

The ideal candidate has a strong track record of applying data science to marketing or customer-focused problems and delivering actionable insights. You bring solid technical expertise, good business intuition, and the ability to translate ambiguous problems into structured analyses and scalable solutions.

In this role, you will partner closely with stakeholders across Marketing, Product, Engineering, CRM, and Design, contributing through hands-on modeling, thoughtful analysis, and clear communication of results.

HOW WILL YOU DRIVE IMPACT

Team & Leadership Impact
  • Partner closely with cross-functional stakeholders across Marketing, Product, Engineering, CRM, and Design to understand business problems and translate them into well-scoped data science solutions.
  • Contribute to team-level best practices in modeling methodology, code quality, and documentation, raising the overall standard of the Marketing Data Science function.
  • Support and mentor junior team members through active collaboration, knowledge sharing, and constructive feedback on technical work.

Fan & Customer Impact
  • Build, validate, and deploy machine learning and statistical models including propensity modeling, customer segmentation, and lifetime value estimation that directly improve the fan experience and marketing relevance.
  • Work across marketing and customer domains, including personalization, lifecycle optimization, retention, and engagement, to ensure fans receive timely, meaningful interactions.
  • Analyze large and complex customer datasets to identify trends, opportunities, and gaps in customer experience and marketing performance.
  • Apply appropriate experimentation and measurement techniques including A/B testing and causal inference to rigorously evaluate the fan and business impact of deployed models.

Innovation & Problem Solving
  • Contribute to the full end-to-end model development lifecycle, including data exploration, feature engineering, modeling, evaluation, and production deployment.
  • Develop scalable, production-ready solutions in collaboration with engineering teams to ensure models are integrated effectively into downstream systems and marketing platforms.
  • Explore and apply large-scale data processing tools such as Spark to address the complexity and volume of Fanatics Commerce customer data.
  • Bring curiosity and structured thinking to ambiguous problem spaces, converting loosely defined business questions into rigorous analytical frameworks.

Ownership & Execution
  • Own the quality, documentation, and communication of modeling outputs, ensuring findings and recommendations are clearly conveyed to both technical and non-technical audiences.
  • Manage project work across multiple concurrent initiatives with minimal oversight, delivering reliable results on moderately complex problems.
  • Demonstrate a track record of measurable business impact through data science work, taking accountability for outcomes rather than just outputs.

AI & DIGITAL CAPABILITY

We are building a future-ready organization. This role is expected to:
  • Apply AI and technology to improve efficiency, quality, and outcomes
  • Use data and digital tools to inform decisions and enhance performance
  • Demonstrate curiosity and adaptability in adopting new technologies and ways of working
  • Contribute to a culture of innovation and continuous improvement

CAPABILITIES & EXPERIENCE YOU BRING

Required 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.
  • Familiarity with experimentation and measurement methodologies, including A/B testing and foundational causal inference concepts.
  • Experience working cross-functionally with Marketing, Product, and Engineering teams to drive data science projects from problem definition through deployment.

Education:

BS or higher in a technical or quantitative field such as Computer Science, Statistics, Data Science, Mathematics or a related discipline.

WORK LOCATION
  • Location: Redwood City, CA
  • Hybrid work environment flexibility, with Tuesdays, Wednesdays, and Thursdays in office; Mondays and Fridays remote.
  • Ability to travel up to 10% of the time for partner meetings, events, and other related activities.


The salary range represents base pay only and does not include short-term or long-term incentive compensation. When determining base pay as part of a final compensation package, we consider several factors such as location, experience, qualifications, and training. For information about our benefits, please visit https://benefitsatfanatics.com/

Salary Range

$170,000-$210,000 USD

About Fanatics

Fanatics is a leading retailer of licensed sports merchandise. The company was founded in 1995 and has grown to become the largest online retailer of officially licensed sports merchandise in the world. Fanatics offers a wide range of products, including jerseys, hats, and other apparel, as well as collectibles and memorabilia. The company has partnerships with all major sports leagues and teams, as well as with individual athletes. Fanatics is committed to providing a seamless shopping experience for its customers and has invested heavily in technology and logistics to ensure fast and reliable delivery.
Learn more about Fanatics
Size
5,000 employees
Industry
Founded
1995

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