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Senior Data Scientist

Arena Club · Los Angeles, CA · On-site

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About Arena Club

Arena Club is a modern collectibles platform that reimagines how sports cards are traded and collected, bridging the gap between physical and digital worlds. Backed by M13.

About the role

We’re seeking a Senior Data Scientist to join us as our first dedicated data science hire. In this key role, you will own our predictive modeling and advanced analytics, turning complex data points into actionable strategies. You will design, build, and deploy the algorithms and statistical frameworks that optimize user behavior, personalization, forecasting, and marketplace dynamics. Found on 1752vc Careers, the job board for startup and VC roles.

What they're looking for

  • Bachelor’s degree in Statistics, Economics, Computer Science, Mathematics, or a related quantitative field, advanced degree preferred
  • 6+ years of professional experience in applied data science, with a proven track record of designing, shipping, and maintaining models or decision systems in a consumer-facing production environment
  • Practical applied experience across multiple core data science disciplines: product analytics, recommendation systems, user behavior modeling, pricing, forecasting, or revenue/margin optimization
  • Expert-level proficiency in Python and the ML ecosystem (Scikit-learn, PyTorch or TensorFlow)
  • Advanced SQL skills for complex data extraction, cleansing, feature engineering, and processing
  • Experience tracking and managing experiments using tools like MLflow
More about this role

Arena Club is building the number one digital marketplace for collectibles. We started by reinventing the hobby with the first-ever digital card show, and we are expanding into new categories so collectors can buy, sell, grade, and showcase everything they care about in one place. Spearheaded by 5x World Series Champion Derek Jeter and serial entrepreneur Brian Lee, our fully digital marketplace is grounded in trust, transparency, and fun, featuring grading and authentication, vaulting, and digital pack openings that let collectors build and display their collections in a personalized online showroom from anywhere in the world.

We’re seeking a Senior Data Scientist to join us as our first dedicated data science hire. In this key role, you will own our predictive modeling and advanced analytics, turning complex data points into actionable strategies. You will design, build, and deploy the algorithms and statistical frameworks that optimize user behavior, personalization, forecasting, and marketplace dynamics.

This is a unique opportunity for an autonomous, senior-level individual contributor who thrives on transforming ambiguous business problems into rigorous mathematical...

Read the full posting on Arena Club's site ↗

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