Secret sales does e-commerce.
Cont. deployment 3-4 times a day, keep system running. Use Jenkins, but not do release to P. Some tests on the newly created code.
Team does not do TDD. Despite being a big ball of code. The code is not testable. Because recovering can be really fast, the urgency is not that high.
It has 24/7 monitoring. Devs are on call. This helps on ensuring commitment from the devs. Hence monitoring is quite okay.
A fellow developer does a code review. QA and product person check the application.
Google Experiments is used to do A-B testing.
PHP has some nice features, for one, each customer is running in it's own process. Capistrano is used to do release the code. It can do rollback. A couple of
How about doing something similar on a Java platform. You can do Red/Green deployment.