Data Domain Architect Analyst

The Machine Learning team at JPMorgan Chase applies cutting-edge machine learning techniques to the firm’s unique data assets to improve decision-making across lines of business. As a Data Domain Architect Analyst in the Annotation Center of Excellence (ACoE), you will deliver high-quality annotations across text, chat, email, document, and audio data, producing validated ground-truth datasets for ML/GenAI use cases. You will manage end-to-end annotation work—preparing data, labeling entities and relationships, maintaining taxonomies and guidelines, applying prompt engineering for consistent workflows, and tracking quality metrics—while partnering with ML/data teams and using Python as needed for data prep and QA. Job Responsibilities : Own end-to-end annotation engagements: understand bus