Need data extraction specialist for web scraping solution

I need help with solving an architectural/algorithmic problem around scraping calendars on the web to have near real time updates to the times we show on our app. The current design involves having a I need help with solving an architectural/algorithmic problem around scraping calendars on the web to have near real time updates to the times we show on our app. The current design involves having a recurring job scrape a site for all of the free times available for a month for a service that is 30 minutes long (our service dur...