Why Google? — It has all the data and allows searching several companies job portals at once, leveraging its other powerful tools (e.g. date filter, excluding words, highlighting visited links).
Some time ago it became apparent to me that most job boards I know became aggregators — most companies have their own job portals or at least pages on their sites, and those aggregators most of the time just collect postings. Of course they try to add value to it, but sometimes they try too much (adding complex interface), they choose what companies to show to you and postings become stale.
So I tried searching on companies' job boards directly with Google — as those portals often don't have search features — excluding middleman, and found my current position!
At that time I stored queries in my notebook. But recently I've realized that Google is even more powerful — it allows searching on several portals at once. With this, complexity of queries starts to grow and managing queries in the notebook becomes difficult — queries are too long and hard to edit (add or exclude portals).
Initially I thought that it was too simple to be shared with others (anyone can Google), but when complexity started to grow I made this page and it looks like now it may be useful to others.
Hope it helps you!
To get notified about new features, tools and advices (e.g. "search history"), drop me a line and I will let you know when there are updates: inbox@joseef.com