Is it possible to view the code of the actual bitcoin.exe program available for download rather than trust that the open source code provided online is indeed the same as the download? if not, it seems that the one downloaded could potentially be a sort of a look-a-like program that actually holds a malicious timebomb of sorts. I'm sure there is an simple answer, I just have not found it yet.
The developers build the distribution you download, which comes with source. It is highly unlikely they would distribute binaries with extra stuff in them which don't match the source they provide.
You are welcome to build the programs, as well as the libraries they use, completely from source, and run those. Aside from things like date strings, they should verify against the provided binaries.
You are probably orders of magnitude more likely at risk from bugs than you are from a developer conspiracy.
Not to mention the 100 million lines of Windows source you don't have, that is also running on your machine.