[jacquesm]

Of course you should do it. Yes, Google is a large company. But they're one of the most respected software companies in the world and even if longer term you decide to part again just having them on your resume is going to make it worth it, that's not counting the possibility to expand your network and the ability to learn from some of the best minds on the planet when it comes to writing software.

The salary should be the least of your concerns, that's short term thinking.