Oleksandr Melnyk
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Oleksandr Melnyk

Certified web developer

$23.00/hr

Evpatoria, Russia

Overview

I have developed different modules for web applications, also entire sites of different complexity. Interested on developing projects, that require cutting edge technologies. Frameworks and solutions which am using for last year are: OpenLayers (v2 and v3),Postgis, GeoServer node.js, Ext JS (v3), d3.js (v2, v3), three.js. Participated in devlopment of Java Adndroid projects. Doing lots of GIS work, particularly network routing and tree algorithms. Big experience with OpenLayers and Ext js. Strive to keep code clear and architecture self-consistent. Implemented SVG and Canvas based solutions, created complex different visualizing charts mostly by using nice d3.js tool. Married, and happy with ... moreit! :)) less

Oleksandr Melnyk has added 2 portfolio pieces. Create an account to review them.

Work History and Feedback

  • May 2012 - Jun 2013

    Developer
    4.85
    Alex show excellent d3 and javascript skills, but due to lack of availability I am closing his contract. I'd hire him if he could spend more time on our project, but his current job is preventing that. Excellent resource.
    77 hours
    $17.78 / hr
    $1,377.78 earned

  • Oct 2010 - Sep 2012

    PHP/Zend framework developer

    No feedback given

    3,234 hours
    $12.00 / hr
    $38,803.56 earned

  • Oct 2011 - Feb 2012

    Protovis to d3 migration

    No feedback given

    10 hours
    $22.22 / hr
    $218.42 earned

Oleksandr Melnyk has more jobs to show. Create an account to review them.

Tests

Name Score (out of 5) Time to Complete
Regular Expressions with PHP Test 4.10 Top 20% 31 mins
PostgreSQL RDBMS Test 3.65 Top 30% 31 mins
DHTML Test 4.25 Top 10% 31 mins
JavaScript 1.3 Test 4.25 Top 10% 34 mins
XHTML 1.0 Test 4.25 Top 10% 38 mins
PHP5 Test 4.50 Top 10% 36 mins
JavaScript 1.8 Test 4.25 Top 30% 35 mins
Advanced PHP Test 4.40 Top 30% 22 mins
PHP4 Test 3.90 Top 20% 30 mins
AJAX Test 3.75 Top 30% 29 mins
Javascript Test 4.05 Top 20% 37 mins
Java Test v3 3.95 Top 30% 47 mins
HTML 4.01 Test 4.00 Top 10% 34 mins
CSS 2.0 Test 3.90 Top 20% 33 mins
or
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Work History

3,321 hours worked
5 jobs

Availability

Not available

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