Shame about the timing with all the uncertainty around Scotland's commitment to United Kingdom.
It's not a huge deal. First, the referendum seems strongly probable to fail, though not by a huge margin. Second, it's unlikely that independence would have any dramatic effect on many people's software jobs in Scotland, certainly in the short term. The most likely problem would be exchange-rate issues.
To quantify: Betfair's current probability is ~17.5% of a "Yes" vote, although that's not based on enormous volumes: http://uk.sportsiteexweb.betfair.com/betting/LoadRunnerInfoC...