• Design and develop enterprise-grade Generative AI applications using state-of-the-art Large Language Models. • Architect scalable Retrieval-Augmented Generation (RAG) systems for enterprise knowledge retrieval. • Develop AI assistants, copilots, chatbots, document intelligence solutions, and autonomous AI agents. • Build domain-specific NLP solutions for document processing, search, summarization, classification, information extraction, and question answering. • Work extensively with open-source and commercial LLMs including GPT, Llama, Mistral, Qwen, Claude, Gemini, DeepSeek, and similar foundation models. • Select appropriate model architectures based on enterprise use cases • Work on the latest applications of data science to solve business problems • Work directly with client stakeholders to translate business problems into high level analytics solution designs • Present analytic solutions to business audiences highlighting robustness of the solution and how it could help generate business value

Role Description The Statistician will provide advanced statistical, analytical, and scientific support to the National Center on Birth Defects and Developmental Disabilities (NCBDDD) at the Centers for Disease Control and Prevention (CDC) surveillance, epidemiologic, and research activities. The Statistician will collaborate with CDC scientists, epidemiologists, clinicians, awardees, and external partners to design, analyze, validate, and disseminate findings from public health research and surveillance projects focused on birth defects, developmental disabilities, maternal and child health, and related conditions. The Statistician will serve as both a lead and validation analyst on complex public health studies, supporting all phases of the research lifecycle, including study design, analytic plan development, data management, statistical programming, data analysis, interpretation of results, scientific dissemination, and peer-reviewed publication. Qualifications - Demonstrated expertise in applying a broad range of statistical and biostatistical methods to public health research, surveillance, and evaluation activities. - Advanced proficiency in SAS and R for data preparation, validation, management, analysis, and automation of reproducible workflows. - Knowledge of epidemiologic principles, surveillance systems, and population-based research methodologies. - Ability to communicate complex statistical concepts and findings to technical and non-technical audiences. - Proven ability to work effectively with multidisciplinary teams. Requirements - Master's degree in Statistics, Biostatistics, Epidemiology, Data Science, Mathematics, Public Health, or a related quantitative discipline. - Minimum five years of experience conducting statistical analyses in public health, epidemiology, healthcare research, or surveillance environments. - Advanced proficiency in SAS and R programming. - Experience managing and analyzing large, complex clinical, surveillance, or population-based datasets. - Demonstrated experience developing statistical analysis plans and conducting multivariable analyses. - Experience supporting scientific publications, technical reports, and research dissemination activities. - Strong written and verbal communication skills. Benefits - The annual salary for this position is $115,000 to $130,000. - Comprehensive benefits package, including medical, dental, and vision insurance. - 401(k) plan with company matching. - Tax-deferred savings options. - Supplementary benefits. - Paid time off. - Professional development opportunities.

• Lead and support SEND data projects • Analyse data and develop data tools • Work with local authority and health partners • Share good practice across organisations • Help improve how education, health and care services use data

Title: Sr. Data Scientist Location: Chicago United States Job Description: 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: Help reduce Card losses by developing and optimizing risk strategies throughout the customer lifecycle. Drive business strategy recommendations through data analytics on Card authorization and PayPal customer data. Develop innovative card risk solutions while collaborating with key stakeholders in core payments, operations, risk, finance, and product owners. Develop and optimize risk strategies for PayPal, leveraging knowledge of U.S. or international financial markets, card networks and customer spending behavior. Manage a portfolio of relationships to ensure that payment solutions meet financial and timeline objectives. Creatively leverage partnerships to further PayPal's strategic business objectives. Develop business cases in support of new risk policies, risk vendor integrations, and PayPal risk infrastructure enhancements. Come up with risk requirements for product initiatives and prioritize said requirements with partner teams. Consult/partner with other PayPal business and technology groups to assure the optimal deployment of payment solutions to satisfy customer needs and corporate objectives. Partial telecommuting permitted from a commutable distance Minimum Requirements: Master's degree, or foreign equivalent, in Engineering, Statistics or a closely related field plus two years of experience in the job offered or a related occupation. Special Skill Requirements: - Experience analyzing and solving financial risk cases using regression and logistics statistical methods and Python (2 years). - Experience in fraud and risk management for debit card end to end lifecycle. Construct, implement, and fine-tune risk strategies across debit card platforms. (2 years) - Use A/B testing and statistical validation to refine fraud rules. (2 years) - Experience developing SQL queries on large-scale financial transaction databases (2 years). - Experience developing machine learning models using Python to predict transaction-level risk alerts and support fraud detection for payment systems. (2 years) - Industry experience in payments, e-commerce, or financial services (2 years). - Experience collaborating with product, operation and engineering teams in financial services to investigate and resolve technical problems (2 years). - Experience building and visualizing risk metrics in Tableau and Looker dashboards to monitor approval trends, decline rates and loss ratios. Experience setting up ring alert to inform business decisions (2 years). Additional Responsibilities & Preferred Qualifications: EOE, including disability/vets. The base pay for this role will depend on where you work and the relevant experience and expertise you bring. The expected range of pay for this role by location is: Primary Location | Pay Range: Chicago, IL | Salary: $96,928.00-180,000.00 per annum. 40 hours per week; M-F, 9:00 a.m. to 5:00 p.m. For benefits summary please visit: https://www.paypalbenefits.com. Additional compensation for this role may include an annual performance bonus, equity, or other incentive compensation, as applicable. Must be legally authorized to work in the U.S. without sponsorship. Subsidiary: PayPal Travel Percent: 0 PayPal does not charge candidates any fees for courses, applications, resume reviews, interviews, background checks, or onboarding. When making an application directly, we will never ask you to share passwords, one-time passcodes (OTP), or verification codes. Any such request is a red flag and likely part of a scam. All communication regarding your application will come from official PayPal email domains. If you suspect fraudulent activity, please report it immediately. To learn more about how to identify and avoid recruitment fraud please visit https://careers.pypl.com/contact-us. 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. Our Benefits: At PayPal, we're committed to building an equitable and inclusive global economy. And we can't do this without our most important asset-you. That's why we offer comprehensive, choice-based programs, to support all aspects of personal wellbeing-physical, emotional, and financial-delivering meaningful value where it matters most. We strive to create a flexible, balanced work culture with a holistic approach to benefits, including generous paid time off, healthcare coverage for you and your family, and resources to create financial security and support your mental health. Who We Are: Click Here to learn more about our culture and community. Commitment to Diversity and Inclusion 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. If you are unable to submit an application because of incompatible assistive technology or a disability, please contact us at paypalglobaltalentacquisition@paypal.com. Belonging at PayPal: 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. Any general requests for consideration of your skills, please Join our Talent Community. We know the confidence gap and imposter syndrome can get in the way of meeting spectacular candidates. Please don't hesitate to apply.