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$15 USD / hour
UKRAINE的国旗
kharkiv, ukraine
$15 USD / hour
目前这里是11:09 上午
四月 7, 2015已加入
0 推荐

Kostyantyn R.

@techdevs

5.0 (15条评论)
5.3
5.3
93%
93%
$15 USD / hour
UKRAINE的国旗
kharkiv, ukraine
$15 USD / hour
84%
工作已完成
100%
在预算内
100%
按时
10%
重复雇用率

Enterprise-level Web designer & developer

I'm a senior web designer & developer with 7 years of experience working for leading digital agencies and software development providers in the US and EU. Now I work as a freelancer, looking for individuals and companies with ongoing design & development needs. Summery: - Ready to start from raw idea/sketch to provide modern look high-end solution; - Solid experience of designing and developing of high-load enterprise level server applications, providing performance optimization; - Strong skills in database design and optimization; - Further support of clients` solutions is always welcome; - Fluent communication in English: daily voice calls with ongoing reports. Core skills: - Database: mysql, postgresql, infinidb, redis, memcache; - Frameworks: zend1, yii1/2, laravel4/5, Django; - UX/UI design; - Responsive front-end coding (HTML5/CSS3/Sass/Gulp/jQuery, JS etc); - PHP; - CMS: WordPress, Drupal, Shopify, etc; - CVS: git, svn; - System Administration; - SEO.

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文件夹

5915249
3251246
3251098
3250849
3250810
5915249
3251246
3251098
3250849
3250810

评论

变更已保存
展示15中的1-5条评论
筛选评论规则:
0.0
$19.00 USD
The project is not completed according to the dispute
PHP
Website Design
Graphic Design
WordPress
HTML
用户头像
的国旗 Alex A.
@aguilarsd321
4 年前
1.0
$462.00 USD
Lost time! This developer periodically does not get in touch. Lying a lot. The project eventually did not.
PHP
CSS
eCommerce
MySQL
HTML
D
Closed User
@dennetic
4 年前
5.0
$220.00 USD
Great work, contributed relevant aspects to improve achritecure and works speditiv and pragmatic.
Project Management
Engineering
Drupal
Software Development
Software Documentation
用户头像
的国旗 Beat B.
@Livenet7
4 年前
5.0
€750.00 EUR
Outstanding result! Great tipps and advice for UX and UI. Will work with Kostia on future projects for sure. :-)
PHP
JavaScript
CSS
HTML
Shopify Templates
用户头像
的国旗 Yannick H.
@yannickhalm
4 年前
5.0
$1,560.00 CAD
A very cooperative team, fast and professional problem-solving.
PHP
Website Design
Graphic Design
WordPress
HTML
+1更多
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的国旗 Sergey S.
@EnginuityInc
5 年前

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mysql-1.png MySQL 1 98%
php_1.png PHP 1 95%
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jquery-1.png JQuery 1 93%
html_1.png HTML 1 90%
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