Worked on enhancing the Docling Serve integration within the deepset-ai/haystack-core-integrations repository, focusing on improving document ingestion reliability and expanding support for various document sources. Refactored the backend logic to handle file uploads and URL-based document conversion more robustly, addressing edge cases that could affect data consistency. Updated the testing framework using Python to ensure comprehensive coverage of the new integration features, aligning with maintainability objectives. Collaborated across teams to consolidate these changes into a single, well-documented commit, demonstrating a methodical approach to API integration, backend development, and testing while prioritizing code clarity and long-term project stability.