Staff ML Engineer: LLMs & Agent AI, Hybrid

PayPal, Inc.; San Jose (CA); Hybrid; USD 197,000 - 292,000; Full time

Job summary

PayPal, Inc. in San Jose, CA, seeks a Staff Engineer to lead the design, development, and deployment of advanced machine learning (ML), large language model (LLM), and agentic AI systems that solve complex business and customer problems.

You will translate emerging AI capabilities into scalable, reliable solutions that improve products, strengthen internal operations, and create measurable business value, working closely with data scientists, software engineers, product managers, and

Qualifications

• 5+ years of relevant experience with a Bachelor's degree or equivalent.
• Experience with ML frameworks like TensorFlow, PyTorch, or scikit-learn.
• Experience with cloud platforms (AWS, Azure, GCP) and data processing tools.

Responsibilities

• Lead the development and optimization of advanced machine learning models.
• Oversee the preprocessing and analysis of large datasets.
• Deploy and maintain ML solutions in production environments.
• Collaborate with cross-functional teams to integrate ML models into products and services.
• Monitor and evaluate the performance of deployed models, making necessary adjustments.

Skills

Machine learning

LLM/Agentic AI

Data preprocessing

Model deployment

Cross-functional teamwork

Education

Bachelor's degree

Master's degree

PhD

Tools

TensorFlow

PyTorch

scikit-learn

AWS

Azure

GCP

LangGraph

LangChain

AutoGen

MCP

vLLM

LoRA/PEFT

RAG

Job description

PayPal, Inc. in San Jose, CA, seeks a Staff Engineer to lead the design, development, and deployment of advanced machine learning (ML), large language model (LLM), and agentic AI systems that solve complex business and customer problems.

You will translate emerging AI capabilities into scalable, reliable solutions that improve products, strengthen internal operations, and create measurable business value, working closely with data scientists, software engineers, product managers, and