Hacker Job Search let you search job postings on HackerNews.
It used Realm Scheduled Triggers and Functions to scrape job postings from HackerNews at an hour interval.
Atlas Search index is built on top to enable searching by keyword functionalities.
The searching endpoint is exposed as HTTPS endpoints with Realm Functions to serve incoming requests from frontend
The frontend website is hosted by Realm Hosting.
So basically, the entire stack is run on Atlas and Realm.