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Staff Machine Learning Engineer
$196,500–$291,500 year
Hybrid · San Jose, California, United States
Job Summary
Lead the design, development, and implementation of advanced machine learning models at PayPal. Collaborate with data scientists and software engineers to enhance services using innovative AI/ML solutions. Responsibilities include building scalable ML pipelines, ensuring data quality, deploying models into production, and monitoring deployed model performance. A Bachelor’s degree and 5+ years of relevant experience are required, along with extensive expertise in ML frameworks and cloud platforms.
Required Qualifications
- 5+ years relevant experience
- Extensive experience with ML frameworks like TensorFlow, PyTorch, or scikit-learn
- Expertise in cloud platforms (AWS, Azure, GCP)
Desired Qualifications
- Experience with AI or agentic systems including LLM-based agents or multi-agent workflows
- Research experience in ML/AI with publications or open-source contributions
- Experience with transformer-based architectures
- Knowledge of reinforcement learning
- Hands-on experience with graph-based models
- Experience with semi-supervised, self-supervised, or unsupervised representation learning
- Knowledge of causal inference, anomaly detection, and incremental learning
- Exposure to synthetic data generation techniques
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