Python Web Scraper for E-commerce

I need a Python-based web scraper capable of extracting specific data from various e-commerce sites on a daily basis.

Data requirements:
- Product Name
- Category
- URL
- Picture
- EAN (identifier)
- Price

The scraper should be able to gather this information consistently every day.

Ideal skills include:
- Strong proficiency in Python
- Experience in web scraping
- Understanding of e-commerce platforms
- Knowledge of handling and storing large sets of data
- Familiarity with Python libraries such as Beautiful Soup, Scrapy or Selenium.

Your bid should reflect your ability to deliver a working scraper and your understanding of the requirements.