Web Application Screen Scraping

We need a freelancer to extract data from a web application and deliver it in a clean, structured format. The work includes identifying the right data sources, handling login or authentication if needed, and ensuring the output is accurate and reliable. The applicaiton will act as the interface between two systems. You should be able to document the process and provide a simple way to retrieve the data on an ongoing basis. Experience with similar scraping tasks and attention to detail are important for this project.