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Alexander K.

Alexander K.

Moscow, Russia
–
1:28 am local time
Job Success
Top Rated Plus
oDesk/Upwork provider since 2004. My strengths are: 1) Custom PHP, OOP, MVC. Fully separated backend/frontend. 2) High load websites. Large data operation. 3) MySQL: data streams, nested structures, indexing, multiple databases operation. 4) Data scraping, parsing. 5) Files processing (parsing, compilation): CSV, XLS, DOC, PDF etc. Import/export data. 6) APIs implementation/creation: SOAP, REST, XML, JSON. Payment gateways, geolocation, trading bots etc. 7) Authentication, OAuth, Registration, Permissions, Password processing. 8) JavaScript/JQuery/JQueryUI/Bootstrap powered UI. 9) PSR coding standards. 10) Data processing: Search, Filter, Sorting, Validation, Aggregation etc. 11) Security implementation/improvement. SQL injection, XSS, CSRF. 12) GIT, SVN.
Rating is 5 out of 5.
5.00 Sep 17, 2019 - Oct 16, 2020

"I have engaged with this freelancers for over 10 projects and Alex is my go to to for most development projects. I enjoy working with him and he has been there when needed. I especially appreciate Alex when encountering emergencies, he is responsive and never failed me."

$3,655.00
$30.00 / hr
122 hours
Rating is 5 out of 5.
5.00 Sep 2, 2019 - Oct 24, 2019

"Alex understands the tasks asked of him and accomplishes them in a professional manner. Highly recommended and will hire again!"

$1,880.00
$30.00 / hr
63 hours
Rating is 5 out of 5.
5.00 Aug 16, 2019 - Oct 4, 2019

"Alexander built a library for us to work with 5 different mailing list providers, and executed perfectly."

$1,500.00
Fixed Price
Rating is 5 out of 5.
5.00 May 8, 2019 - Sep 12, 2019

"Alex is my go to guy for LAMP development. He's friendly, smart, and fast!"

$400.00
$30.00 / hr
13 hours
Rating is 5 out of 5.
5.00 Mar 29, 2019 - Jun 5, 2019

"Alex completes projects according to their specification. Finds problems to solutions as they arrive and stays in constant communication throughout the project. Highly recommended, the quality of his work is excellent."

$4,395.00
$30.00 / hr
147 hours
Rating is 5 out of 5.
5.00 Jan 7, 2019 - May 28, 2019

"Excellent programmer, very willing to accommodate changes and take the time to understand complicated requests or explain his work. Recommend."

$5,245.00
$30.00 / hr
175 hours
Rating is 5 out of 5.
5.00 Aug 30, 2017 - Dec 18, 2018

"I have worked with Alex over 5 years. I can wholeheartedly say it is one of the top 5 developers I have worked with in the 20 years I have assembled web development teams."

$455.00
$30.00 / hr
15 hours
Mar 6, 2018 - Dec 17, 2018

No feedback given

$32.00
$32.00 / hr
1 hour
Rating is 5 out of 5.
5.00 Oct 8, 2018 - Dec 15, 2018

"Alex is a pleasure to work with. He is able to fully grasp and execute the vision of your proposal and do so with work of the highest quality. Alex provides excellent and detailed communication throughout the duration of the project, provides solutions to any problems that arise, and helps with the overall goal of the project going above the required level of work. I look forward to working further on projects with Alex and am happy to recommend him to any other use of this website."

$3,350.00
Fixed Price
Rating is 4.65 out of 5.
4.65 May 3, 2018 - Dec 13, 2018

"Alexander did a great job on time. Can highly recommend his work"

$677.33
$32.00 / hr
21 hours
Custom CRM
Custom CRM
Dish and recipe catalog
Dish and recipe catalog
SEO Tool
SEO Tool

Skills

  • AJAX
  • PHP
  • JavaScript
  • CSS
  • MySQL
  • jQuery
  • HTML
  • Google Maps API
  • OAuth
  • Bootstrap
Alexander K.

Alexander K.

Moscow, Russia
–
1:28 am local time
Job Success
Top Rated Plus
$300k+
Total Earnings
42
Total Jobs
11,475
Total Hours
oDesk/Upwork provider since 2004. My strengths are: 1) Custom PHP, OOP, MVC. Fully separated backend/frontend. 2) High load websites. Large data operation. 3) MySQL: data streams, nested structures, indexing, multiple databases operation. 4) Data scraping, parsing. 5) Files processing (parsing, compilation): CSV, XLS, DOC, PDF etc. Import/export data. 6) APIs implementation/creation: SOAP, REST, XML, JSON. Payment gateways, geolocation, trading bots etc. 7) Authentication, OAuth, Registration, Permissions, Password processing. 8) JavaScript/JQuery/JQueryUI/Bootstrap powered UI. 9) PSR coding standards. 10) Data processing: Search, Filter, Sorting, Validation, Aggregation etc. 11) Security implementation/improvement. SQL injection, XSS, CSRF. 12) GIT, SVN.

Medical Legal lien monitoring application

Rating is 5 out of 5.
5.00 Sep 17, 2019 - Oct 16, 2020

"I have engaged with this freelancers for over 10 projects and Alex is my go to to for most development projects. I enjoy working with him and he has been there when needed. I especially appreciate Alex when encountering emergencies, he is responsive and never failed me."

$3,655.00
$30.00 / hr
122 hours
Rating is 5 out of 5.
5.00 Sep 17, 2019 - Oct 16, 2020

"I have engaged with this freelancers for over 10 projects and Alex is my go to to for most development projects. I enjoy working with him and he has been there when needed. I especially appreciate Alex when encountering emergencies, he is responsive and never failed me."

$3,655.00
$30.00 / hr
122 hours

Adding Print View and UX Improvements to Dynamic Website

Rating is 5 out of 5.
5.00 Sep 2, 2019 - Oct 24, 2019

"Alex understands the tasks asked of him and accomplishes them in a professional manner. Highly recommended and will hire again!"

$1,880.00
$30.00 / hr
63 hours
Rating is 5 out of 5.
5.00 Sep 2, 2019 - Oct 24, 2019

"Alex understands the tasks asked of him and accomplishes them in a professional manner. Highly recommended and will hire again!"

$1,880.00
$30.00 / hr
63 hours

PHP Mailing List Library

Rating is 5 out of 5.
5.00 Aug 16, 2019 - Oct 4, 2019

"Alexander built a library for us to work with 5 different mailing list providers, and executed perfectly."

$1,500.00
Fixed Price
Rating is 5 out of 5.
5.00 Aug 16, 2019 - Oct 4, 2019

"Alexander built a library for us to work with 5 different mailing list providers, and executed perfectly."

$1,500.00
Fixed Price

Customization of CRM and Financial web application

Rating is 5 out of 5.
5.00 May 8, 2019 - Sep 12, 2019

"Alex is my go to guy for LAMP development. He's friendly, smart, and fast!"

$400.00
$30.00 / hr
13 hours
Rating is 5 out of 5.
5.00 May 8, 2019 - Sep 12, 2019

"Alex is my go to guy for LAMP development. He's friendly, smart, and fast!"

$400.00
$30.00 / hr
13 hours

Upgrade of PHP/MySQL/AJAX Culinary website

Rating is 5 out of 5.
5.00 Mar 29, 2019 - Jun 5, 2019

"Alex completes projects according to their specification. Finds problems to solutions as they arrive and stays in constant communication throughout the project. Highly recommended, the quality of his work is excellent."

$4,395.00
$30.00 / hr
147 hours
Rating is 5 out of 5.
5.00 Mar 29, 2019 - Jun 5, 2019

"Alex completes projects according to their specification. Finds problems to solutions as they arrive and stays in constant communication throughout the project. Highly recommended, the quality of his work is excellent."

$4,395.00
$30.00 / hr
147 hours

PHP/MySQL developer needed to create document management system

Rating is 5 out of 5.
5.00 Jan 7, 2019 - May 28, 2019

"Excellent programmer, very willing to accommodate changes and take the time to understand complicated requests or explain his work. Recommend."

$5,245.00
$30.00 / hr
175 hours
Rating is 5 out of 5.
5.00 Jan 7, 2019 - May 28, 2019

"Excellent programmer, very willing to accommodate changes and take the time to understand complicated requests or explain his work. Recommend."

$5,245.00
$30.00 / hr
175 hours

Case Management application devleopment

Rating is 5 out of 5.
5.00 Aug 30, 2017 - Dec 18, 2018

"I have worked with Alex over 5 years. I can wholeheartedly say it is one of the top 5 developers I have worked with in the 20 years I have assembled web development teams."

$455.00
$30.00 / hr
15 hours
Rating is 5 out of 5.
5.00 Aug 30, 2017 - Dec 18, 2018

"I have worked with Alex over 5 years. I can wholeheartedly say it is one of the top 5 developers I have worked with in the 20 years I have assembled web development teams."

$455.00
$30.00 / hr
15 hours

PHP expert needed for mysql integration.

Mar 6, 2018 - Dec 17, 2018

No feedback given

$32.00
$32.00 / hr
1 hour
Mar 6, 2018 - Dec 17, 2018

No feedback given

$32.00
$32.00 / hr
1 hour

Developer needed for PHP/MySQL/AJAX website

Rating is 5 out of 5.
5.00 Oct 8, 2018 - Dec 15, 2018

"Alex is a pleasure to work with. He is able to fully grasp and execute the vision of your proposal and do so with work of the highest quality. Alex provides excellent and detailed communication throughout the duration of the project, provides solutions to any problems that arise, and helps with the overall goal of the project going above the required level of work. I look forward to working further on projects with Alex and am happy to recommend him to any other use of this website."

$3,350.00
Fixed Price
Rating is 5 out of 5.
5.00 Oct 8, 2018 - Dec 15, 2018

"Alex is a pleasure to work with. He is able to fully grasp and execute the vision of your proposal and do so with work of the highest quality. Alex provides excellent and detailed communication throughout the duration of the project, provides solutions to any problems that arise, and helps with the overall goal of the project going above the required level of work. I look forward to working further on projects with Alex and am happy to recommend him to any other use of this website."

$3,350.00
Fixed Price

Simple web interface to present data from Mysql data and capture short video

Rating is 4.65 out of 5.
4.65 May 3, 2018 - Dec 13, 2018

"Alexander did a great job on time. Can highly recommend his work"

$677.33
$32.00 / hr
21 hours
Rating is 4.65 out of 5.
4.65 May 3, 2018 - Dec 13, 2018

"Alexander did a great job on time. Can highly recommend his work"

$677.33
$32.00 / hr
21 hours
Custom CRM
Custom CRM
Dish and recipe catalog
Dish and recipe catalog
SEO Tool
SEO Tool

Skills

  • AJAX
  • PHP
  • JavaScript
  • CSS
  • MySQL
  • jQuery
  • HTML
  • Google Maps API
  • OAuth
  • Bootstrap
Less than 30 hrs/week

< 24 hrs response time

  • English: Fluent
Phone Number:
Verified
ID:
Verified
  • Licentiate degree, PHP programming, Pascal basics
    2003-2004
  • Bachelor's degree, Linguistics
    1990-1996

Employment history

  • June 2004 - Present
    I have devoted my business to the freelance. I'm focused on my career here. I'm building my reputation over the years and very much value it. That's why I'm vitally interested in doing good job making you happy.
  • September 2014 - January 2015
    Bitcoins trading bot development from scratch. - Use of btce.com trade API. - Subscription payment in coins.
  • March 2010 - August 2011
    Remote Device Configuration Poll Server for home security systems. - Hardware controllers commands processing system. - Remote controllers configuration system.

Other Experiences

  • SOME OF DEVELOPMENT TASK TYPES: - E-commerce sites creation and administration; - Content-management systems; - Authentication systems; - Safe transaction systems; - Connecting to Web Services with XML and SOAP; - Web-mail services; - Statistics systems; - Ranking/voting systems; - PHP-graphics; - Automatic PDF documents generation; Most of the tasks that can be done with PHP technology.