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Data fetching / analysis from a public ecommerce online platform

I need a web crawler program to get the information for a public online ecommerce platform.

- select category or sub-categories of ecommerce platform (continuous update, allow add or delete)

- input brands to be ignored (continuous update, allow add or delete)

- run the program 7x24 with standard notebook computer

- go through each listing one by one (by program in backend)

- record down the sales quantity (to be found out by program, as online platform will not report the data)

The most time consuming method (manual) is to click individual listing every day, check the inventory available for sale (by buying maximum quantity in shopping cart if no inventory data is available), and compare with previous day.

- record all sales quantity for each listing (if quantity is different)

- output and update to an excel file 1 by 1, and save the complete record of each category (after complete the category) in Google cloud in addition saving the file in PC.

- product name (with http link back to product listing), quantity sold yesterday, quantity sold last 7 days, quantity sold last 30 days, total no. of visit

- unit price, no. of sellers, brand name, seller status, image thumb nail

- sort by highest quantity sold, brand name, unit price.

The program shall re-start automatically if there is the server is down, loss of internet connection etc.

Getting the inventory of a listing is the most time consuming.

How to update and store the data is most challenging as the listing position in web site is changing every second. The output excel file has to store 31 days data.

Online ecommerce platform does not have any support nor API.

The program shall be able to run in Windows 10 (both English and Chinese version). It is recommended the browser to use internet explorer as the computer has other program running with Google Chrome. if developer can ensure no conflict, it is OK to use Google chrome (e.g. incognito mode).

Interested parties please send a detail quotation - time and cost. Debugging is the most time consuming.

Deliverable shall be an executable program, which I can download from Google cloud. No teamviewer etc. installation.

Automatic or chat bot response will not be considered.

Interested party please contact for the name of public ecommerce site.

Applicant shall prove he can do the program by providing a sample excel file extracted from captioned web site.

Квалификация: PHP, Архитектура ПО, MySQL, Веб-скрейпинг, Javascript

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О работодателе:
( 2 отзыв(-а, -ов) ) Kowloon, Hong Kong

ID проекта: #22767959

24 фрилансеров(-а) в среднем готовы выполнить эту работу за $532

mhmhz

Hi Can you provide the site and sample of the proposed output file? Thanks

$1000 USD за 7 дней(-я)
(222 отзывов(-а))
7.9
extreamcode

HI, I can assist you with ecommerce online platform . Here is a sampling of the few of my work contained at my portfolio: https://www.freelancer.com/u/extreamcode.html This is a placehoolder bid, I would be able to quo Больше

$500 USD за 7 дней(-я)
(87 отзывов(-а))
7.7
avto35217

Hi,dear! I am quite interested in your project - 'Data fetching / analysis from a public ecommerce online platform'. :) I've already done this kind of project before. I am a skillful software developer who has rich exp Больше

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(22 отзывов(-а))
6.5
schoudhary1553

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6.8
hanchenglu

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(39 отзывов(-а))
6.0
imagicsoft

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5.3
unix515

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5.0
FreelancerTechX

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(17 отзывов(-а))
4.9
Terry0606

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2.9
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2.2
BillZhong8

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$600 USD за 2 дней(-я)
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0.0
congchien17107

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