Data Scientist 2

Senior Data Scientist

We are seeking a Senior Data Scientist to build data-driven strategies that enhance the authentication and risk signaling of financial instruments across our platform. In this role, you will analyze large-scale transactional and behavioral data to detect patterns of fraud, identify vulnerabilities, and generate actionable insights to launch risk strategies to mitigate fraud and influence product partners to build product solutions that improve security and user experience without compromising on customer friction. You will collaborate closely with Machine Learning Engineers, product managers, engineers, and cross-functional teams to socialize new ideas and build capabilities. Your work will be critical in shaping scalable, intelligent systems that mitigate fraud while minimizing user friction.

Job Description :

• BS / BA degree in Mathematics Statistics, Operations Research, Engineering, Economics or related quantitative discipline or equivalent with 6+ years' experience. Masters degree and 4+ years related professional work experience developing data-driven fraud strategies, leveraging analytical insights to detect patterns, assess risk, and design scalable solutions to combat fraudulent activity.
• Proven experience working with large datasets, with strong proficiency in SQL, Python / R and any data visualization tools. Skilled in conducting deep analytical investigations and solving complex problems, with a solid understanding of machine learning techniques and statistical concepts.
• Experience evaluating and integrating third-party data vendors to enhance fraud detection capabilities and strengthen risk signaling.
• Ability to translate data-driven insights into relevant stories and make decisions even if the data ambiguous.
• Strong understanding of payment systems and e-commerce platforms, with hands-on experience designing and analyzing A / B tests to evaluate and optimize product and risk strategies.
• Proven ability to lead projects individually and mentor other junior data scientists.
• Excellent analytical, problem-solving, and decision-making skills.
• Strong communication skills, both written and verbal, with the ability to present complex information clearly to senior leadership.
• Ability to work collaboratively with cross-functional teams and external partners.
• Strong organizational skills and attention to detail.

Competencies :

PayPal is committed to fair and equitable compensation practices. Actual compensation is based on various factors including but not limited to work location, and relevant skills and experience. The total compensation for this role may include an annual performance bonus (or other incentive compensation, as applicable), equity, and medical, dental, vision, and other benefits. For more information, visit .

The US national annual pay range for this role is $123,500 to $212,850.

PayPal does not charge candidates any fees for courses, applications, resume reviews, interviews, background checks, or onboarding. Any such request is a red flag and likely part of a scam.

For the majority of employees, PayPal's balanced hybrid work model offers 3 days in the office for effective in-person collaboration and 2 days at your choice of either the PayPal office or your home workspace, ensuring that you equally have the benefits and conveniences of both locations.

At PayPal, we're committed to building an equitable and inclusive global economy. And we can't do this without our most important assetyou. That's why we offer benefits to help you thrive in every stage of life. We champion your financial, physical, and mental health by offering valuable benefits and resources to help you care for the whole you.

We have great benefits including a flexible work environment, employee shares options, health and life insurance and more. To learn more about our benefits please visit .

PayPal provides equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, pregnancy, sexual orientation, gender identity and / or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state, or local law. In addition, PayPal will provide reasonable accommodations for qualified individuals with disabilities.

Our employees are central to advancing our mission, and we strive to create an environment where everyone can do their best work with a sense of purpose and belonging. Belonging at PayPal means creating a workplace with a sense of acceptance and security where all employees feel included and valued. We are proud to have a diverse workforce reflective of the merchants, consumers, and communities that we serve, and we continue to take tangible actions to cultivate inclusivity and belonging at PayPal.