Lead Data Scientist jobs at Paypal in United States, San Jose

This job will design and implement advanced data science models to support business needs. You will work with stakeholders to understand requirements and deliver solutions. Your role involves driving best practices in data science, ensuring data quality, and mentoring junior scientists.

Essential Responsibilities:

• Lead and manage data science projects, ensuring timely delivery and alignment with business goals.
• Develop and maintain data models, algorithms, and reporting systems to support data analysis and decision-making.
• Analyze complex datasets to identify trends, patterns, and insights that drive strategic initiatives.
• Collaborate with cross-functional teams to understand data needs and provide actionable insights.
• Ensure data quality and integrity through regular audits and validation processes.
• Mentor and guide junior data scientists, fostering a culture of continuous learning and improvement.

Expected Qualifications:

• 5+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.

• At least 7 years of experience analyzing large, multi-dimensional data sets and synthesizing insights into actionable solutions
• At least 3 years of experience in managing analytics teams
• Data driven mindset with a Master’s or Ph.D. degree in any quantitative discipline such as Analytics, Engineering, Computer Science, Economics, Statistics or Mathematics
• Experience in Advanced Analytics: Causal Inference and ML models.
• Fluent in SQL and Python
• Experience analyzing very large, complex, multi-dimensional data set
• Experience with one or multiple of the following will be highly desirable; Jupyter Notebooks, Teradata, Hadoop/Hive, BigQuery
• Domain expertise in payments or other financial services
• Exceptional communication skills, both written and verbal, to influence cross-functional teams
• Prior work experience in a product analytics space would be highly valued
• A passion for problem-solving and comfort with ambiguity

Travel Percent:

The total compensation for this practice 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 $152,500 to $262,350

Belonging at PayPal:

Any general requests for consideration of your skills, please

Essential Responsibilities:

• Lead advanced data analysis projects, applying statistical models and predictive techniques.
• Mentor junior analysts and provide guidance on best practices in analytics.
• Develop actionable insights and recommendations for senior business stakeholders.
• Design, build, and maintain advanced dashboards and data visualizations.
• Partner with business leaders to identify new opportunities for data-driven improvements.

Expected Qualifications:

• 3+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.

* ideally candidate should have 5yrs - 8 yrs of full time industry experience

* solid understand of business domains and lifecycle

* able to act and solve quickly
* solid in SQL and Python

Travel Percent:

The total compensation for this practice 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 $76,500 to $126,500

Our Benefits:

Any general requests for consideration of your skills, please

This job contributes to product strategy alongside cross-functional stakeholders, ensuring alignment with the shared vision. It includes implementing an architectural roadmap that balances innovative design with regulatory requirements, customer needs, and profitability. The position focuses on enhancing customer experience and monitoring success metrics through usability studies and market analysis. Responsibilities also encompass managing workstreams for analytics and competitive analysis, overseeing product profitability, participating in operational reviews, and collaborating with content developers, data scientists, and designers. This job is an individual contributor.

Essential Responsibilities:

• Inputs to product strategy with cross-functional stakeholders consistent with the shared vision for the product or enabling platform.
• Implements the architectural roadmap that balances innovative design and technical implementation, while balancing regulatory requirements, time-to-market, meeting customer needs and product profitability.
• Controls for the customer experience and customer needs in product requirements and as an input to decision making.
• Monitors metrics that inform the success of products including usability studies, research and market analysis.
• Manages one or more workstreams to include analytics, customer discovery, market research and competitive analysis to drive data-driven decision-making.
• Monitors product profitability measures, including budget.
• Participates in operational mechanisms that drive execution and accountability including Product Reviews, Operating Reviews, and Business Reviews. Interfaces with product and technology leadership as needed.
• Partners with content developers, data scientists, product designers and user experience researchers.

Expected Qualifications:

• 5+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.

• 10+ years of product management experience, with significant focus on payments, fintech, platforms, or marketplace ecosystems.

• Proven track record in building and scaling B2B or platform products, with deep expertise in SDKs, APIs, and developer experience.

• Demonstrated experience building and launching embedded payments and financial services solutions within platform or SaaS environments

• Strong platform thinking: ability to design solutions that serve both business and technical stakeholders, including developers, compliance, and operations.

• Demonstrated experience managing the partner lifecycle: onboarding, enablement, engagement, performance tracking, and renewal/termination.

• Be a customerchampion: comfortableengaging with strategic partners, building deep, trusted relationships, and advocating for their needs throughout the product lifecycle.

• Exceptional analytical skills, with a data-driven approach to product strategy and success measurement.

• Outstanding cross-functional leadership and communication skills; able to influence and align stakeholders at all levels.

• Experience working with compliance, risk, and regulatory requirements in payments or financial services.

• Customer-obsessed mindset with a passion for delivering outstanding user and developer experiences for partners and their merchants.

• MBA preferred. Advanced technical background a plus.

The total compensation for this position 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 U.S. national annual pay range for this role $218,000 - $259,000.

Belonging at PayPal:

Any general requests for consideration of your skills, please

This job contributes to product strategy alongside cross-functional stakeholders, ensuring alignment with the shared vision. It includes implementing an architectural roadmap that balances innovative design with regulatory requirements, customer needs, and profitability. The position focuses on enhancing customer experience and monitoring success metrics through usability studies and market analysis. Responsibilities also encompass managing workstreams for analytics and competitive analysis, overseeing product profitability, participating in operational reviews, and collaborating with content developers, data scientists, and designers. This job is an individual contributor.

Essential Responsibilities:

• Inputs to product strategy with cross-functional stakeholders consistent with the shared vision for the product or enabling platform.
• Implements the architectural roadmap that balances innovative design and technical implementation, while balancing regulatory requirements, time-to-market, meeting customer needs and product profitability.
• Controls for the customer experience and customer needs in product requirements and as an input to decision making.
• Monitors metrics that inform the success of products including usability studies, research and market analysis.
• Manages one or more workstreams to include analytics, customer discovery, market research and competitive analysis to drive data-driven decision-making.
• Monitors product profitability measures, including budget.
• Participates in operational mechanisms that drive execution and accountability including Product Reviews, Operating Reviews, and Business Reviews. Interfaces with product and technology leadership as needed.
• Partners with content developers, data scientists, product designers and user experience researchers.

Expected Qualifications:

• 5+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.

Travel Percent:

The total compensation for this practice 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 $152,500 to $262,350

Our Benefits:

Any general requests for consideration of your skills, please

This job contributes to product strategy alongside cross-functional stakeholders, ensuring alignment with the shared vision. It includes implementing an architectural roadmap that balances innovative design with regulatory requirements, customer needs, and profitability. The position focuses on enhancing customer experience and monitoring success metrics through usability studies and market analysis. Responsibilities also encompass managing workstreams for analytics and competitive analysis, overseeing product profitability, participating in operational reviews, and collaborating with content developers, data scientists, and designers. This job is an individual contributor.

Essential Responsibilities:

• Inputs to product strategy with cross-functional stakeholders consistent with the shared vision for the product or enabling platform.
• Implements the architectural roadmap that balances innovative design and technical implementation, while balancing regulatory requirements, time-to-market, meeting customer needs and product profitability.
• Controls for the customer experience and customer needs in product requirements and as an input to decision making.
• Monitors metrics that inform the success of products including usability studies, research and market analysis.
• Manages one or more workstreams to include analytics, customer discovery, market research and competitive analysis to drive data-driven decision-making.
• Monitors product profitability measures, including budget.
• Participates in operational mechanisms that drive execution and accountability including Product Reviews, Operating Reviews, and Business Reviews. Interfaces with product and technology leadership as needed.
• Partners with content developers, data scientists, product designers and user experience researchers.

Expected Qualifications:

• 5+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.

Travel Percent:

The total compensation for this practice 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 $152,500 to $262,350

Our Benefits:

Any general requests for consideration of your skills, please

Essential Responsibilities:

• Develop and optimize machine learning models for various applications.
• Preprocess and analyze large datasets to extract meaningful insights.
• Deploy ML solutions into production environments using appropriate tools and frameworks.
• Collaborate with cross-functional teams to integrate ML models into products and services.
• Monitor and evaluate the performance of deployed models.

Expected Qualifications:

• 3+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.
• Experience with ML frameworks like TensorFlow, PyTorch, or scikit-learn.
• Familiarity with cloud platforms (AWS, Azure, GCP) and tools for data processing and model deployment.
• Several years of experience in designing, implementing, and deploying machine learning models.

Key Responsibilities:

• Research and develop large-scale foundation models, including continuous pre-training, supervised fine-tuning, and alignment techniques

• Design novel architectures and training methodologies for domain-specific language models in financial services

• Build scalable ML pipelines for foundation model training, evaluation, and deployment at enterprise scale

• Conduct rigorous experimentation and benchmarking to ensure model quality, safety, and performance

• Deploy foundation models into production environments to drive business insights and enhance customer experiences

• Collaborate with cross-functional teams to identify high-impact use cases and translate research into practical solutions

• Stay current with latest developments in LLM and LLM-Agent research and contribute to the broader AI/ML community through publications and open-source contributions

• Mentor junior researchers and contribute to technical strategy for foundation model initiatives

Preferred Qualifications:

• PhD in Computer Science, Machine Learning, AI, or related field with focus on large language models and LLM Agent

• 1-3+ years of hands-on experience training and deploying large-scale language models (7B+ parameters)

• Deep expertise in transformer architectures, attention mechanisms, and modern training techniques

• Experience with distributed training frameworks (PyTorch, JAX, DeepSpeed, etc.)

• Strong background in NLP, deep learning, and statistical machine learning

• Proven track record of research publications in top-tier venues (NeurIPS, ICML, ACL, etc.)

Travel Percent:

The total compensation for this practice 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 $169,500 to $291,500

Our Benefits:

Any general requests for consideration of your skills, please

This job will involve creating new two sided ecosystems and networks on Venmo. It involves strong 0 to 1 product development skills and ability define strategy and move fast with conviction.

Essential Responsibilities:

• Drives product strategy with cross-functional stakeholders consistent with the shared vision for the product or enabling platform.
• Plans and implements the architectural roadmap that balances innovative design and technical implementation, while balancing regulatory requirements, time-to-market, meeting customer needs and product profitability.
• Assesses the customer experience and customer needs in product requirements and decision making.
• Sets up data gathering mechanisms relative to the metrics that inform the success of products including usability studies, research and market analysis.
• Leads workstreams to include analytics, customer discovery, market research and competitive analysis to drive data-driven decision-making.
• Oversees product profitability measures, including budget.
• Plans operational mechanisms that drive execution and accountability including Product Reviews, Operating Reviews, and Business Reviews. Interfaces with product and technology leadership as needed.
• Partners with content strategists, data scientists, product designers and user experience researchers.
• Maximizes efficiency in a constantly evolving environment where the process is fluid and creative solutions are the standard.

Expected Qualifications:

• 8+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.

Travel Percent:

The total compensation for this practice 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 $169,500 to $291,500

Our Benefits:

Any general requests for consideration of your skills, please