PayPal
Sr Machine Learning Engineer
San Jose, California, United States of America · Senior
Sponsorship not specified$160k-$237kDetected 21 days ago
PythonAlgorithmsAWSGCPAzureCloud PlatformsMachine LearningTensorFlowPyTorchNLPLLMsRAGResearchCommunicationCollaboration
About the role
- You will work closely with data scientists, software engineers, and product teams to enhance services through innovative AI/ML solutions.
- Preprocess and analyze large datasets to extract meaningful insights.
Responsibilities
- Collaborate with cross-functional teams to integrate ML models into products and services.
- Your role will involve building scalable ML pipelines, ensuring data quality, and deploying models into production environments to drive business insights and improve customer experiences.
- At PayPal, we're committed to building an equitable and inclusive global economy.
Requirements
- 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.
Nice to have
- Strong engineering skills - you can take a research idea from paper to production.
- Python is second nature.
- You've built systems, not just run experiments.
- Deep familiarity with agentic frameworks and architectures - LangChain, Google ADK, or custom orchestration systems.
- You understand the tradeoffs.
- Experience with LLM APIs and tool-use patterns - function calling, structured outputs, retrieval-augmented generation, chain-of-thought, and prompt engineering at scale
- Understanding of evaluation methodology for AI systems - how to measure agent performance beyond academic benchmarks, including safety, hallucination rates, and task completion in adversarial conditions
- Published research is a plus - but shipping code matters more than citation count
Skills
- Belonging at PayPal means creating a workplace with a sense of acceptance and security where all employees feel included and valued.
- Any general requests for consideration of your skills, please Join our Talent Community.
- Please don't hesitate to apply.
- Deploy ML solutions into production environments using appropriate tools and frameworks.
Compensation
- San Jose, California | ($159,500.00 - $236,500.00 Annually)
Company info
- 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:
- 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.
- 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.
- 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.
- We know the confidence gap and imposter syndrome can get in the way of meeting spectacular candidates.
- We provide proprietary payment solutions accepted by merchants that enable the completion of payments on our platform on behalf of our customers.
Visa & Work Authorization
- 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 orient
This listing is sourced directly from PayPal's careers page and normalized into a canonical job model.