Zendesk is seeking a Data Scientist to develop and deploy AI capabilities for their agentic AI experience, focusing on retrieval and ranking models for their core AI search engine. The role involves full-stack ownership from data exploration to production rollout and monitoring, with a strong emphasis on scalability, reliability, and performance. Requires 3-5 years of experience shipping models to production, strong Python and software engineering skills, deep DS/ML knowledge, and comfort with MLOps (Docker, Kubernetes, cloud platforms).