Data Scientist - Performance Analyst

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Collective, a top 10 digital advertising network and leading technology platform provider, seeks talented and motivated data scientists for its New York location. Work on the cutting edge of 'big data' (billions of impressions per month, 10s of thousands of attributes per impression) and sophisticated data analysis techniques to complex business issues to drive enormous value for a rapidly growing business.

Performance Analyst Responsibilities
Perform rigorous analyses of data quality, business rules effectiveness and performance potential for the buy side (advertiser), sell side (publisher, exchange) and audience (data provider) dimensions of our business. Must be able to quickly grasp complex business & technology processes, analyze large data sets to generate insights, and effectively communicate those insights to internal and external stakeholders.

Day-to-day responsibilities include:

• Collecting and formalizing business, data and presentation requirements for analyses
• Assembly of analysis data sets from large structured databases
• Formulation and iteration of data based analyses and inquiries
• Creation of 'beautiful' visualizations that convey key analysis results
• Communication of insights to internal and external stakeholders

• MS in a quantitative discipline (e.g., statistics, mathematics) or MBA with equivalent quantitative experience
• Minimum of 3 years of hand-on experience in analyzing large and complex datasets to inform business decisions in a corporate environment
• Expertise in R or Tableau or a similar data analysis & visualization environment
• Proficiency in SQL
• Expertise using statistical models to infer relationships from complex datasets
• Excellent communication and collaboration skills

• Expertise using controlled experiments to prove causality
• Experience analyzing internet scale datasets (billions of rows, thousands of columns)
• Experience with MPP databases (e.g., Netezza, Aster, Greenplum) or Map Reduce
• Digital media or web retail experience