Lead advanced machine learning model development and optimization at PayPal. Collaborate with teams to deploy scalable ML solutions in production environments.
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.
Requirements
5+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience
Extensive experience with ML frameworks like TensorFlow, PyTorch, or scikit-learn
Expertise in cloud platforms (AWS, Azure, GCP) and tools for data processing and model deployment
Experience owning end-to-end ML model lifecycles, including training, evaluation, deployment, monitoring, and retraining in production environments
Strong hands-on experience with MLOps best practices and platforms, such as experiment tracking, model versioning, and automated training/deployment pipelines (e.g., MLflow, Kubeflow, Airflow, SageMaker, Vertex AI)
Experience building and scaling LLM- and GenAI-based systems, including fine-tuning, inference optimisation, prompt management, and retrieval-augmented generation (RAG) pipelines
Proven ability to design scalable, reliable, and cost-efficient ML inference systems, with familiarity in containerisation, orchestration, and infrastructure-as-code (Docker, Kubernetes, Terraform)
Experience with large-scale data processing and distributed systems (e.g., Spark) and integrating ML solutions into complex production architectures
Understanding of Responsible AI practices (explainability, fairness, robustness, compliance) and demonstrated technical leadership or mentorship influencing ML architecture and standards.
Benefits
generous paid time off
healthcare coverage for you and your family
resources to create financial security and support your mental health
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