PayPal Sr Data Scientist 

India, Karnataka, Bengaluru 

998314721

Essential Responsibilities:

• Lead the development and implementation of advanced data science models.
• Collaborate with stakeholders to understand requirements.
• Drive best practices in data science.
• Ensure data quality and integrity in all processes.
• Mentor and guide junior data scientists.
• Stay updated with the latest trends in data science.

Minimum Qualifications:

• Minimum of 5 years of relevant work experience and a Bachelor's degree or equivalent experience.

Preferred Qualification:

• Strong working knowledge of Excel, SQL and Python/R
• Partner with Product Managers and Engineers to define test hypotheses, success metrics, and experimentation frameworks
• Proactively identify opportunities for experimentation to optimize conversion rates, revenue, and user enablement
• Maintain documentation of experiments and contribute to building a culture of data-informed decision making
• Exploratory Data Analysis and expertise in preparing a clean and structured data for model development
• Experience in applying AI/ML techniques for business decisioning including supervised and unsupervised learning (e.g., regression, classification, clustering, decision trees, anomaly detection, etc.)
• Knowledge of model evaluation techniques such as Precision, Recall, ROC-AUC Curve, etc. along with basic statistical concepts
• Payments fraud domain knowledge is highly preferred, with an understanding of transaction flows, payment systems, and common fraud tactics.
• Experience in conducting & analyzing A/B tests to evaluate the impact of fraud detection models and mitigation strategies.
• Familiarity with common fraud data sources such as transactions, user behavior logs, device metadata, and third-party data

Our Benefits:

Any general requests for consideration of your skills, please