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PayPal Staff Machine Learning Engineer 
France, Auvergne-Rhône-Alpes 
819280375

02.09.2025

This job will lead the design, development, and implementation of advanced machine learning models and algorithms to solve complex problems. You will Be a core part of our mission to reimagine payments optimization using AI. You'll work on some of the most critical challenges, contribute to next-gen AI architecture, and help define how autonomous AI systems that can be reliably deployed at scale.


Essential Responsibilities:

  • olvereal-world payments problems with AI and ML, bringing deep technicalexpertiseand product thinking to areas such asauthorization rate,cost optimization, availability improvement

  • Enable fasterdevelopment anddeployment cycles and robust model operations by integrating industry-standardMLOps

  • Be a thought leader and architect scalable, production-gradeAI/ML systems for mission-criticalprojects

  • Mentor and lead junior engineers raising the technical bar for the team.

Minimum Qualifications:

  • Master’s degree in Computer Science, Data Science, Engineering, or a related field.

  • 8+ years of experience developing and deploying ML models in production environments.

Preferred Qualification:

  • Strong understanding of supervised and unsupervised learning,deep learning algorithms,model evaluation, and algorithm tuning.

  • Familiarity with agenticand multi agentframeworks (e.g.,LangChain,LangGraph,ReAct, or similar) and the basics ofLLMOpsconcepts like observability, routing, state management, and modular agents.

  • Proven experience working with tabular and textual data, including advanced preprocessing techniques.

  • in Python (preferred) and Java, with hands-on experience building RESTful APIs and integratingAI/MLmodelsinto live services.

  • Solid grasp of containerization (Docker, Kubernetes), andMLOpsframeworks (e.g.,MLflow, TFX, or Kubeflow),streaming data systems (e.g., Kafka, Flink) and real-time ML inference.

  • Demonstrated experience in system architecture, solution design, and building scalableAI/ML systems.

  • Strong communication

Our Benefits:

Any general requests for consideration of your skills, please