I'm surprised that this is being reported so widely as a 'good news story'. For example the easiest way to create new jobs is to take one full time job and split it between two (or even more) people. Hey presto three jobs!
Pensions auto enrolment is a big spur to this sort of behaviour (roll out began in 2012 but it has now reached employers of 30 or less). Employers can avoid these new pension obligations if their workers earn less than £10,000 a year - so if you are in, say, retail, hospitality, tourism, construction etc, your employer can save by taking a full time job paying, say, £17,000, and splitting it in two.
The unprecedented rise in 'self' employment is another reason. There are many others.
A closer look shows that it is not at all surprising that there has been no wage growth alongside this 'increase' in new jobs.