PayPal · 5 hours ago
Senior Data Scientist
New York, NY
Full-time
Hybrid
Senior Level
$124K/yr - $213K/yr
5+ years expPayPal has been revolutionizing commerce globally for more than 25 years. They are seeking a highly skilled Senior Data Scientist to lead the development and implementation of advanced data science models and algorithms, ensuring data quality and mentoring junior scientists.
E-Commerce PlatformsFinTechMobile PaymentsTransaction Processing
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
Qualification
Required
Minimum of 5 years of relevant work experience and a Bachelor's degree or equivalent experience
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
Preferred
5+ years experience in developing and optimizing machine learning models using Python with TensorFlow, Keras, and/or PyTorch
Expertise in Graph Neural Networks (GNNs) for node and link prediction, graph embedding, and graph-based classification
Proven experience in customer segmentation and/or recommendation systems tailored to client needs
Work with transformer models (e.g., BERT, GPT) in real applications, particularly within GenAI workflows
5+ years experience in building and maintaining scalable ML pipelines using tools such as Kubeflow, MLFlow, Vertex AI, and SageMaker
5+ years experience in processing and analyzing very large datasets using Spark or similar frameworks
Working with vector databases (e.g., Pinecone) for embedding-based applications including search and similarity tasks
Utilize GCP Services to deploy models at scale, particularly BigQuery and Vertex AI
Experience with GraphRAG and Knowledge Augmented Generation (KAG)
Knowledge of Deep Neural Networks, Multi-task Learning (MTL) and AdTech
Benefits
Flexible work environment
Employee shares options
Health and life insurance
Company
PayPal
PayPal is a financial service company that provides online payment solutions to its users worldwide.
10001+ employees
H1B Sponsorship
PayPal has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1144)
2024 (917)
2023 (775)
2022 (921)
2021 (1051)
2020 (1049)
Funding
Current Stage
Public CompanyTotal Funding
$12.17BKey Investors
Kohlberg Kravis RobertsBlueRun Ventures
2025-11-17Post Ipo Debt· $6.95B
2023-06-07Post Ipo Debt· $5B
2015-07-20IPO
Leadership Team
Simon Bladon
CEO, UK
chaloem khompitoon
President & CEO
Recent News
2025-12-31
The European Financial Review
2025-12-31
Company data provided by crunchbase