Google builds in a solid six months to get all new hires up to speed. Of course, that's the relaxed end of the spectrum. At a freshly-minted startup, I wouldn'

Google builds in a solid six months to get all new hires up to speed. Of course, that's the relaxed end of the spectrum. At a freshly-minted startup, I wouldn't be surprised if spending a week familiarizing yourself with the project's codebase (let alone the language/framework) was pushing it.