Senior Data Scientist

Senior Data Scientist role applying statistics and machine learning to ecommerce problems: design, run and analyze A/B tests, evaluate ranking, personalization and recommendation algorithms, analyze large-scale behavioral data, build analyses/models/tools, and communicate findings. Requirements include strong experience in data science and statistics, solid SQL skills, Python for analysis and modeling (pandas, NumPy, scikit-learn), experience with large datasets, and deep understanding of experiment design and A/B testing. Preferred: e-commerce or customer-facing analytical experience.