Senior Data Scientist, eBay

• Master’s degree or Ph.D. in Computer Science, or a quantitative field
• 5+ years of experience in applied ML prediction, classification and regression
• Hands-on experience on web data crawling
• Experience in building complex models and model performance evaluation
• Proficiency in Python or R, and relevant libraries (e.g., scikit-learn, GBM)
• Advanced SQL for big data query optimization
• Experience with Hadoop, Spark in cloud platforms
• Excellent problem-solving skills and experience in deploying machine learning models in production environments

• Cloud Data Technologies (CDT) team at eBay is responsible for all the data infrastructure, including experimentation platform and management of end-to-end data lifecycle for all eBay data from onsite to analytics use cases
• We are seeking a Senior Data Scientist who is passionate about driving business impact by utilizing advanced data science methodologies to improve the decision making speed & quality, and produce actionable insights from data
• Some of the projects that you have a chance to work on include: ML driven bot traffic detection, building customer profile, various A/B testing methodology improvements like Interleaving tests, sequential testing, bayesian methods
• Lead complex data science projects and model development
• Design and implement advanced statistical models and machine learning algorithms
• Conduct advanced SQL for big data query optimization
• Collaborate with cross-functional teams to define and refine data solution requirements
• Stay updated on industry developments and suggest new technologies or methodologies

• Comprehensive and competitive health and wellness program designed to meet your unique needs.
• We strive to provide programs that help support both mind and body, including quality healthcare insurance, wellness programs and preventative care.
• Stock Purchase Plans
• Retirement Savings and Pension Plans
• Stock Awards
• Life Insurance and Disability Benefits
• Credit Union Memberships
• Balancing work & life - eBay believes in providing you with the opportunity to be your best self in your professional and personal life. In addition to supporting flexible workstyles including hybrid and remote, eBay offers 4 weeks of paid sabbatical time for every 5 years of service
• Giving back to our community - We provide our employees around the globe with opportunities to have a positive impact on their local communities. Through the eBay Foundation, our company matches donations to eligible nonprofits up to $10,000 per employee per year. And our employee-led volunteer groups organize local giving and volunteering activities throughout the world

Founded in 1995 as an online auction platform primarily catering to collectibles, eBay quickly emerged as a pioneer in connecting buyers and sellers in the digital realm. This early success propelled eBay to become to globally recognized leader it is today.