Can do you job. Can make runnable script or app for Mac system.
Want to Know more about the scraping part and what data have to scrape.
These are my skills set related to Web Scraping and Web crawling
Have done scraping in Nodejs, CasperJS Phantomjs, python Scrapy Framework.
Have done testing and automation with selenium also.
Know to deal with database like mongo, mysql, Elasticsearch.
Also know to handle proxy and captcha while scrapping