Technologies: Python, Selenium, Scrapy, Vue, Bayessian Modeling, Game Modeling, Statistics   We developed a hotel price comparison solution for a group of hotels in Barcelona consisting of the three components: Competitors prices collection component, scraping booking prices from price aggregator websites http://hostelbookers.com/ , http://hostelworld.com/ and hotel websites. Data visualization tool showing different graphs about the current hotel prices, competitors prices, supply/demand, number of available rooms and other parameters. Mathematical model optimizing the prices for the client’s hotel basing on all the competitors, historical, seasonal data.