Povilas K. Profile

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5,0

(24 avaliações)

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$50 USD / hora

neveronys,

lithuania

$50 USD / hora

Atualmente, está 6:37 AM aqui

Ingressou em novembro 5, 2012

1 Recomendação

Povilas K.

@pkudriavcevas

5,0

(24 avaliações)

5,3

94%

$50 USD / hora

neveronys,

lithuania

$50 USD / hora

100%

Trabalhos Concluídos

99%

Dentro do Orçamento

100%

No Prazo

Taxa de Recontratação

Data is gold.

My clients appreciate my services not only because I deliver top quality work, but also because I always add more value to their initial idea. I'm passionate about what I do even if it's simple task I always put my heart, my mind and full energy to the projects I take. Let's team up!

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Portfólio

Main task was to create a twitter tweet parser which would go throu provided keywords one by one searching for tweets added that day. Operation is repeated in 60 minutes interval (Cron jobs). Calculations of result being made and data is stored in google datastore.

Client need this data for analysis in particular field. For example if tweet increase is seen on some keywords then presumptions about soon to happen events can be made.

Everything is deployed on google app engine. Client can easly adjust cron job interval, view data and complete other operations via dashboard.

Developer by
Povilas Kudriavcevas
Data is Gold!

Twitter tweet parsing and analysis

Main task was to creating ebay scraper that can take input of *.csv file with multiple keywords and ebay sellers.

Managment of scraper is done via web cms.

After *.csv files with keywords and sellers uploaded scraper sends requests to ebay API for each keyword filtering only sellers that was specified in sellers *.csv file. From each response required data is grabbed and new *.xlsx file generated on server.

User is displayed with download button to download new generated *.xlsx file after scraping is done on cms.

Developer by
Povilas Kudriavcevas
Data is Gold!

Cloud based ebay scraper

Main task was to create spiders that would mine new data(prices,descriptions, sku etc..) from 47 ecommerce websites each week for price comparison website.

Build spiders on prefered time interval crawling specified ecommerce sites and gathering all new product data. All data being cleaned and stored on database. On this project there was used complex technologies for scraping data from Ajax/Javascript based sites.

Second part of project was daily spider that would detect if any product price changed. If found new price database would update.

Created custom CMS for controling all spiders (run, schedule etc..). Viewing, editing,deleting mined data.

Used: Scrapy, Django frameworks, Selenium WebDriver, Python 2.7

Developer by
Povilas Kudriavcevas
Data is Gold!

Scrapy Spiders

Main task was to create PowerPoint data parser and data processing abilities.
-
Summary:
User can set folders to scan for *.PPTX files. Folder can be on cloud servers or local. Code locates all *.PPTX files and parses data from all files. Parsed data(titles, text, meta data, notes text, bullet points etc..) then cleaned and prepared for export. Export made to *.csv. On settings file user can specify export preferences. Export file can be stored on cloud servers or only local.

Developed by
Povilas Kudriavcevas
Data is Gold!

*.PPTX(PowerPoint) Parser

Twitter tweet parsing and analysis

Cloud based ebay scraper

Scrapy Spiders

*.PPTX(PowerPoint) Parser

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5,0

€300,00 EUR

connect scrapinghub scrapers to a mysql database and avoid duplicates

Povilas has overdelivered at every level and helped me to define properly the project

Sylvain C.

@sylvainc75

•

há 5 anos

5,0

$20,00 USD

git assistance - screen share

Povilas is my champion of the day. Got right with me and took are of my challenge, got me going and I was back in shape. Povilas is a nice fellow, was very clear with helping me, gave great suggestions and makes me feel great, I am sure he will do great for any project, you will be happy to meet him!