I would say that the hardest part of my job is bridging the gap between what the requirements actually mean and what is technically feasible. As if this is not enough of a challenge in itself, let's make it even more volatile by throwing in political discussions and human emotions to ante up the challenge with even more interesting constraints. On the one hand we have the facts and figures, and on the other hand we have human nature creating bumps in an otherwise smooth road to success. Finding the right balance between creating the perfect platform and meeting the expectations of the outside world is fun yet challenging.