Hello from Spain, I am Python script developer with 3 years of experience. I can scrape required telegram group by python script/bot with your instructions. I need you to tell me privately what kind of information you need to extract (usernames, ...). And in what format do you want me to deliver this data (csv, ....).
If you hire me, you can be in contact with me for life, I can help you with whatever you need and update the data extraction whenever
Thanks.