Data Scientist – Cloud Data Technologies

About the Company and Role

Join eBay, a global leader in ecommerce, where we transform how millions of buyers and sellers connect across over 190 markets worldwide. Our culture embraces bold thinking, authenticity, and individuality, supporting a sustainable future for our customers and the planet.

The Cloud Data Technologies (CDT) team manages eBay's data infrastructure, covering the full data lifecycle from onsite data to analytics. We are looking for a Data Scientist to enhance decision-making through advanced data science techniques, including projects on machine learning for bot traffic detection and customer profiling, along with improving A/B testing methodologies.

Key Responsibilities

• Lead complex data science efforts from data analysis to model building and evaluation.
• Create and deploy sophisticated statistical and machine learning models to solve business challenges.
• Support experimentation and causal inference activities such as A/B and multivariate testing and refining testing methods.
• Use advanced SQL skills to handle large-scale datasets and optimize data queries efficiently.
• Collaborate with cross-functional teams to identify requirements and build data-driven solutions that facilitate better decisions.
• Contribute to machine learning projects including bot detection and customer segmentation.
• Stay informed about cutting-edge data science developments and recommend new technologies or methodologies to enhance current practices.

Candidate Requirements

• A minimum of 5 years relevant experience along with a master’s or Ph.D. in Computer Science or a related quantitative discipline.
• Proven expertise in constructing statistical and machine learning models and assessing their performance.
• Advanced proficiency in Python or R, including machine learning libraries such as scikit-learn and GBM.
• Strong command of SQL, with experience optimizing queries on large datasets.
• Experience working in cloud environments using Hadoop and Spark technologies.
• Demonstrated problem-solving abilities and experience deploying machine learning models into production.
• Excellent verbal and written communication skills to present complex results clearly to non-technical stakeholders.

Additional Information

eBay is an equal opportunity employer that considers all qualified applicants without discrimination based on legally protected statuses. Accommodations can be requested via talent@ebay.com to ensure accessibility throughout the hiring process.

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