Konstantin N. Profile

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5.0

(57 reviews)

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$14 USD / hour

sofia,

bulgaria

$14 USD / hour

It's currently 4:55 PM here

Joined December 30, 2016

8 Recommendations

Konstantin N.

@knikolovdev

5.0

(57 reviews)

6.3

97%

$14 USD / hour

sofia,

bulgaria

$14 USD / hour

98%

Jobs Completed

100%

On Budget

100%

On Time

30%

Repeat Hire Rate

Web scraping specialist | C# developer

I'm a friendly programmer, specialized in automating all your tasks under Windows or inside web browser. Retrieving data from websites, handling excel tasks, making any utility / ease of life programs is my trade. Also supplementing my programs with good-looking UI and real time logging. * Web scraping expert * C#, Javascript, HTML * API integrations * Selenium, HtmlAgilityPack * WPF, Windows Forms * OCR text extraction * Friendly and patient * Two weeks support for programs * Reusable bots and quality code

See all Web Scraping Specialists in Bulgaria

Contact Konstantin N. about your job

Portfolio

Features
* Good looking UI
* Change the width and height of an image
* Change DPI
* Process all images in a folder
* Recursion - will process all subfolders, subsubflders etc..
* Logs progress
* Ignores files that are not image
* Preserves aspect ratio

Image-processing-program. Resize and change DPI

Utility program that downloads emails and attachments from list of accounts.
This portfolio is from my completed project : Email Login Validator/Attachment Downloader via Thunderbird API
from employer kristianv, Germany.
###Features###
* Emails downloaded via imap protocol, setting obtained from public thunderbird provider settings
* The programs applies various filters of the emails checked and attachments downloaded like:
containing keywords, max-min size, max emails per folder and more.
* Includes extensive logging both in the user interface and in text files.
* Multi-threaded, where user can enter maximum threads from user interface.
* My good looking Darth Vader UI theme :)

Email Utility Program / C# / WPF

Bot to scrape real estate information from website.
Features:
- Light and efficient
- Multi-threaded
- Logging
- Progress bar
- Stylish UI
- Documented code
Technologies:
C#, WPF, HtmlAgilityPack, Excel, Html, Regex

Real estate scraper - C# / HtmlAgilityPack / Excel

Bot to scrape restaurants from catalog site and save to excel.
Features:
* Multithreaded - 5 threads, can be changed by typing other number
* Good looking UI
* Different actions can be executed separately
* Logs progress
* Progress bar
* Reset button
* Custom requests
* Saves output in text files and excel

Restaurant scrapper - C#/HtmlAgilityPack/WebRequest/Excel

Image-processing-program. Resize and change DPI

Email Utility Program / C# / WPF

Real estate scraper - C# / HtmlAgilityPack / Excel

Restaurant scrapper - C#/HtmlAgilityPack/WebRequest/Excel

Reviews

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Showing 1 - 5 out of 50+ reviews

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0.0

$23.00 AUD

Help With Google Sheets - Roster For A Temp Agency.

The project is not completed according to the dispute

Josh F.

@joshflan

•

5 years ago

5.0

$100.00 USD

Project for Konstantin N. -- 10

Scraped succesfully a protected website. Did it fast and accurate. Very much recommended!

+1 more

Sergiu L.

@sergiuloghin

•

5 years ago

5.0

$170.00 USD

Project for Konstantin N. -- 96478

Great work! Highly recommended!

+1 more

Jacob S.

@jcbshaked

•

5 years ago

5.0

$130.00 USD

Project for Konstantin N. -- 21552

Great work as usual! Highly recommended.

+1 more

Jacob S.

@jcbshaked

•

5 years ago

5.0

$350.00 USD

Project for Konstantin N.

Great work, very skilled with Excel, good detail and mining skills.

Software Architecture

+1 more

Closed User

@smartmediadev

•

6 years ago

Experience

Freelancer

Dec 2015 - Present

Doing almost all kind of c# projects, windows native programs, API integrations, web scrapping / web automation and web pages. https://github.com/knikolovdev

ProZnanie Jsc

May 2014 - Dec 2016 (2 years, 7 months)

ProZnanie Jsc is a company working in the field of online education and video communication. Our small and motivated team created cutting edge system for live online lessons. It uses the new WebRTC technology , with heavy video processing on the backend ( c++ ). The system is already used by many children, including afghani children at the local immigrant camp.