Worked on enhancing the asynchronous crawler in the unclecode/crawl4ai repository by addressing a critical bug affecting content extraction from complex web pages. The solution involved updating the JavaScript page.evaluate logic to traverse the DOM and capture the outerHTML of all elements matching a selector, then joining these results to ensure complete data capture. This approach improved the reliability and completeness of crawl data, particularly for pages with multiple matching elements, and reduced downstream parsing errors. The work demonstrated strong skills in asynchronous programming, browser automation, and web scraping, utilizing both JavaScript and Python to maintain performance while increasing data quality.