Sr Data Scientist

Benefits

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The Company PayPal has been revolutionizing commerce globally for more than 25 years. Creating innovative experiences that make moving money, selling, and shopping simple, personalized, and secure, PayPal empowers consumers and businesses in approximately 200 markets to join and thrive in the global economy. We operate a global, two-sided network at scale that connects hundreds of millions of merchants and consumers. We help merchants and consumers connect, transact, and complete payments, whether they are online or in person. PayPal is more than a connection to third-party payment networks. We provide proprietary payment solutions accepted by merchants that enable the completion of payments on our platform on behalf of our customers. We offer our customers the flexibility to use their accounts to purchase and receive payments for goods and services, as well as the ability to transfer and withdraw funds. We enable consumers to exchange funds more safely with merchants using a variety of funding sources, which may include a bank account, a PayPal or Venmo account balance, PayPal and Venmo branded credit products, a credit card, a debit card, certain cryptocurrencies, or other stored value products such as gift cards, and eligible credit card rewards. Our PayPal, Venmo, and Xoom products also make it safer and simpler for friends and family to transfer funds to each other. We offer merchants an end-to-end payments solution that provides authorization and settlement capabilities, as well as instant access to funds and payouts. We also help merchants connect with their customers, process exchanges and returns, and manage risk. We enable consumers to engage in cross-border shopping and merchants to extend their global reach while reducing the complexity and friction involved in enabling cross-border trade. Our beliefs are the foundation for how we conduct business every day. We live each day guided by our core values of Inclusion, Innovation, Collaboration, and Wellness. Together, our values ensure that we work together as one global team with our customers at the center of everything we do - and they push us to ensure we take care of ourselves, each other, and our communities. Job Summary: Job Description: PayPal, Inc. seeks Sr Data Scientist in Chicago, IL Job Duties: Manage the process to create large-scale data science strategies to combat fraud and balance risk, user experience, and financial performance. Own the full lifecycle of a solution, from the research phase to production. Oversee and monitor platform performance in production, evaluating false positives and defining thresholds for refinement. Lead the process of translating the team's actions into financial business impact. Create and guide team in creating automatic auxiliaries, enhancing efficiency towards calculation/reporting milestones. Provide ongoing mentoring and training sessions to team members ensuring they leverage Device Intelligence capabilities effectively for safer user experiences across various domains. Evaluate and leverage vendors as complementary bot mitigation solutions. Manage a global team of data scientists, devise the teams' workplans, and provide ongoing mentorship and guidance to organic and external team members for effective bot mitigation. Serve as a dominant stakeholder on fraud incidents mitigation, lead the implementation and participate in the research of novel cyber-security technologies into bot mitigation strategies, and evaluate the incremental benefits of bot-mitigation vendors. Partial telecommuting permitted from within a commutable distance. Minimum Requirements: Master's degree, or foreign equivalent, in Computer Science, Engineering, Mathematics, Cybersecurity, or a closely related field plus two years of experience in the job offered or a related occupation. Employer will accept a Bachelor's degree, or foreign equivalent, in Computer Science, Engineering, Mathematics, Cybersecurity, or a closely related field plus five years of experience in the job offered or a related occupation. Special Skill Requirements: 1. Large-scale Fraud Prevention - Experience with large-scale fraud modus operandi and effective mitigation strategies, with emphasis on Customer identity abuses (2 years). 2. User Identity Risk - Experience with different aspects of Identity management and the challenges of balancing Risk with positive user experience (2 years). 3. Device Data Collection - Experience in collecting data and attributes from devices via web and mobile applications, its limitations and challenges (2 years). 4. Automation, Scripting, and Bot Detection - Experience developing and implementing strategies to identify and mitigate automated, bot-driven, or scripted activity (2 years). 5. CAPTCHA - Experience leveraging and evaluating different CAPTCHA vendors to prevent automated abuse using Google reCAPTCHA v2/v3, along with experience in limitations and manipulation detection (2 years). 6. Data Analytics using

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