Michal S.

Michal S.

Solutions Designer and QA - Zend Certified (C, Linux, PHP, JS, HTML5)

Warszawa, Poland



What's the difference?
Michal S.

Having me onboard, you can focus on business aspect of your IDEA and rest assured that your IT solutions will always meet business requirements and scale seemlessly.
I develop and deploy high performance web applications, based on scalable,
best design patterns.
Like being involved in complex and challenging projects.
Often providing out-of-the-box solutions to problems, and managing projects.

Decent experience with:
Facebooks Hyper PHP (HHVM)
custom C / Linux based solutions
PHP ext…


Michal S. has added 7 portfolio pieces. Create an account to review them.

Work History & Feedback

PHP developer for long term position

“Hi Michael. Thanks for you effort on the project. Too bad you got really sick along the way. I would hire you again when you are better.Tnx Rick”
72 hrs @ $27.78/hr
Earned $1,986

bitcoin mining pool

“A+ Programmer”
Fixed Price $5

Online Game Portal (Web Application)

No feedback given
20 hrs @ $27.78/hr
Earned $556

Web Developer for a High-Traffic Website

No feedback given
213 hrs @ $27.78/hr
Earned $5,917

Senior PHP Developer/Architect

No feedback given

42 hrs @ $25.00/hr
Earned $947

Senior PHP Developer / top-class Backend Engineer (MySQL, Big Data, Caching, multiple APIs) full-time

No feedback given

213 hrs @ $27.78/hr
Earned $5,926
Tests Taken
Name Percentile Score

Advanced PHP Test


Java Test


PHP5 Test