Developed and deployed four automated crawlers on the Apify platform for large-scale Reddit data extraction and analysis: Subreddit Post Crawler: Extracts post titles, authors, upvotes, and timestamps from specified subreddits. Reddit Comment Crawler: Scrapes nested comment threads from individual Reddit posts. Reddit Profile Crawler: Collects all posts and comments made by a specific Reddit user. Reddit Keywords Crawler: Retrieves Reddit posts based on user-defined keywords using Reddit’s search functionality. Implemented proxy rotation, dataset storage, and scheduled executions for scalable, continuous data collection and analysis.