Java Script and Java knowledgeable guy needed

We have built our Java scrapper couple of years ago to creating jar file to pull information we need form a web site. we need to update our scraper as the source website changed a few things. Now you can choose date ranges so we need to implement that and page number 11 information doesn't paper on our scrapper. easy job and for the one candidate we can do a screen sharing so I can explain need someone very good.