There are a lot more low level technical programming jobs in Sydney than there are in Melbourne despite a difference in population of only 12.7%. For example, a search for "embedded" on the Seek job site at http://www.seek.com.au yielded eight jobs for Melbourne and 26 for Sydney.
On the other hand, living in Sydney is more expensive with average purchase prices of $A515K ($US464K) for a flat and $A600K ($US541K) for a house as opposed to $A485K ($US437K) and $A510K ($US460K).
On the other hand, living in Sydney is more expensive with average purchase prices of $A515K ($US464K) for a flat and $A600K ($US541K) for a house as opposed to $A485K ($US437K) and $A510K ($US460K).