Crawl and compare data - Web tool

Job ID: 31726437

Budget: $30 – $150 USD

We are looking for a freelancer who can build a web service tool for us that can crawl pricerunner.dk save and compare price data based on notifications alert.

Example product ABC has a price of 100 if the price falls with X percentage sets from a tool the product will be displayed in an alert window
The system will compare prices based on dates so if the price changes the next day an alert will come again
We also need to generate a category map so categories we don't need to search in can be disabled.

Key search functions.
Product
Price
Date
Category priority

Multiple alerts can be set.
User friendly interface.

Maintainment service:
if categories are not scanned and the data is getting old, a webservice shout delete data from the database.

The crawler should go over all the products very fast at the moment 2.3 million products we don't have any access to the data so it has to be crawled by a bot.
or database injections.

We have our own hosting setup, Windows server, with MS SQL.
If it need to be hosted somewhere else we are open for that.

Please only bid on this task if you have a good idea how it can be done.
Project budget: small
Thank you for taking the time to read this description if you have any questions or you want to bid on the project please do so we look forward to seeing it.