Description
:
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:
- 3+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.
Additional Responsibilities & Preferred Qualifications:
Key Responsibilities
Analyze and optimize merchant integration performance, focusing on: Checkout conversion User behavioral lifecycle Merchant interactions with payment solutions
Develop deep understanding of API- and SDK-based integrations to evaluate performance and identify friction points
Design and execute experimentation frameworks: A/B testing Causal inference models Incrementality measurement
Define and track key performance metrics (KPIs) across user and merchant journeys
Partner with product, engineering, and business teams to translate data insights into actionable improvements
Build scalable data models and pipelines to support analytics and experimentation
Apply modern AI techniques (e.g., LLMs) to enhance: User behavior analysis Data interpretation Internal tooling and workflows
Required Skills & Qualifications
Domain & Systems Understanding
Experience working with API-driven systems and SDK integrations
Ability to analyze end-to-end product flows, especially in web or mobile checkout environments
Strong understanding of user behavior and funnel analysis
Data Science & Statistical Expertise
Strong foundation in: Probability and statistics Hypothesis testing and experimentation Causal inference and experimental design
Proven experience designing and analyzing A/B tests and observational studies
AI / Modern Data Science Tools
Experience with: Prompt engineering for LLM-based applications RAG (Retrieval-Augmented Generation) architectures Vector databases (e.g., Pinecone, Weaviate, FAISS, Chroma) Frameworks such as LangChain, LlamaIndex, or similar
Programming & System Design
Strong proficiency in Python
Experience with: ML/AI frameworks (PyTorch, TensorFlow, Hugging Face) Data processing (Pandas, NumPy, Spark) Backend/API development (FastAPI or similar)
Solid understanding of distributed systems and scalable architecture
Preferred Qualifications
Experience in payments, e-commerce, or platform ecosystems
Familiarity with merchant onboarding or integration workflows
Experience working with large-scale behavioral data
Exposure to LLMOps or production AI systems
What Success Looks Like
Improved checkout conversion and user engagement metrics
Clear identification of integration bottlenecks and optimization opportunities
Statistically rigorous insights that drive product and business decisions
Effective use of AI tools to accelerate analysis and innovation
Subsidiary:
PayPal
Travel Percent:
0
-
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:
San Jose, California | ($143,500.00 - $212,850.00 Annually)
Additional Location(s) | Pay Range:
No other locations are assigned to this requisition currently.Additional compensation for this role may include an annual performance bonus, equity, or other incentive compensation, as applicable.
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 .
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:
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 .
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 .
We know the confidence gap and imposter syndrome can get in the way of meeting spectacular candidates. Please don’t hesitate to apply.