Customising of Jamit Job Board

We run a Jamit Job Board. We have a very specific requirement: "Enable Job Alerts Service" for job seekers". This means: 1. Job Seekers should be able to set up/ modify/ delete multiple job alerts and should only get those jobs via email for which they have set up alerts. 2. These jobs would then be sent to them either individually or in form of daily digests, as preferred. Only those programmers with experience of Jamit Job Board need apply.