10+ years of experience in machine learning, OCR, computer vision, NLP, or intelligent document processing. Hands-on experience with Azure AI Document Intelligence or a comparable enterprise document-processing platform. Strong Python development skills. Experience with REST APIs, JSON, Azure SDKs, and asynchronous processing. Experience training and evaluating document classification and field-extraction models. Strong understanding of accuracy, precision, recall, F1 score, confidence calibration, and test-set design. Experience extracting complex tables and variable-length line items. Experience creating labeled datasets and maintaining data-quality standards. Familiarity with invoices, purchase orders, contracts, or supply-chain documents. Strong analytical, debugging, and technical-documentation skills.