Python Developer - Claude AI API Integration for Document Analysis Tool

We need a Python developer to build a document analysis tool that leverages the Claude AI API. This is a specific, well-defined project with clear deliverables. Project Requirements: Build a Python application that: • Accepts PDF and text files as input • Uses Claude AI API to extract key information, summarize content, and identify action items • Returns structured output in JSON format • Implements proper error handling and logging • Includes a simple CLI interface for easy usage Technical Specifications: • Must use Python 3.10+ • Must integrate with Anthropic Claude API (claude-3-5-sonnet or latest) • Must handle file uploads and processing • Must implement rate limiting and retry logic • Code must follow PEP 8 standards • Must include comprehensive docstrings Deliverables: 1. Fully functional Python script with proper project structure 2. Requirements.txt with all dependencies 3. README with setup and usage instructions 4. 5+ working test cases demonstrating functionality 5. Clean, production-ready code with comments Required Skills: • Python (intermediate-advanced) • REST API integration • File handling in Python • Experience with Claude API preferred Note: Please share 2-3 examples of previous Python + API integration projects in your proposal.