Sergei H.

Sergei H.

Senior PHP / JS developer

Kiev, Ukraine



What's the difference?

Senior PHP developer and architect with 10+ years of PHP development.
I have a good experience of social networking development (from scratch). I know, how to build highload sites, how to build single-sign on, how to integrate with other social networks and develop API for mobile devices.

CEO of, available as individual developer and as PM / TeamLeader.
Perfom development, analyzing, refactoring and management.

- Deep OOP / MVC / MVP / HMVC understanding
- PHP 5.3.x / 5.6 usage…


Sergei H. has added 2 portfolio pieces. Create an account to review them.

Work History & Feedback

Timeout error on website

“Sergei helped me urgently get my website back up and running. He was knowledgable, helpful, friendly and available. I would definitely recommend him and hope to work with him again (in better circumstances).”
1 hrs @ $20.00/hr
Earned $67

PHP developer to work on an existing web application

No feedback given
64 hrs @ $27.78/hr
Earned $1,773

Senior PHP Developer

No feedback given

159 hrs

Looking For Ukraninan Web Developer

No feedback given

110 hrs @ $20.00/hr
Earned $2,364

Senior PHP Developer

Job in progress

180 hrs

Highly Skilled PHP, mysql, & Wordpress developer needed

Job in progress

334 hrs @ $25.00/hr
Earned $8,171
Tests Taken
Name Percentile Score

Advanced PHP Test


PHP Test


PHP5 Test