The hiring process is quite intense. 1. Pair programming 1hr. 2. F2F design questions 45 mins. 3. HR 30 Pair programming going down to the development team and doing a TDD based in memory cache, Writing real code. 1. make sure the cache is able to store data. 2. Make it timer based so that it removes information from the inmemory cache of objects based on elapsed time. 3. Make it multi threaded and thread safe cache and write tests for it as well.