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Flag of Ukraine bila tserkva, Ukraine
Member since June, 2009
0 Recommendations

Sergii Gulenok 

I am a software developer with 10 years of professional experience in a variety of areas including medical 3D CAD software, system optimization tools, ground-up website development and support, data scrapping, etc using a variety of technologies and programming stack of technologies I typically use: Software development: C++, C#, F#, Javascript, WPF, WCF, WinForms, Qt 5.x, DirectX, OpenGL, Electron. Web backend development: Pyton, PHP, C#, F#, Clojure, Django, Flask, Google App Engine, SQL (PostrgeSQL, MySQL, SQLite). Web frontend development: HTML5, CSS, JavaScript, jQuery, AngularJS, Bootstrap, Zurb. APIs: REST, Google Maps, Google Scripts, PayPal, OAuth. CMS: Wordpress, Ghost Blog, OpenCart. Wide expertise in different software development areas allows me to look wider into the problems and provide the best possible solutions. Also, past few years I've been working in medical area that is very strict on the quality, so I always ensure that the result of my work is top rated.
$26 USD/hr
4 reviews
  • 100%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 33%Repeat Hire Rate

Recent Reviews


Founder/Lead Software Developer

Dec 2015

Started a company providing various software solutions ranging from simple websites to complex system corporate automation tools.

Software Engineer/Project Manager

Feb 2011 - Feb 2016 (5 years)

Project manager leading the awesome team that develops the CAD and other systems for Dental market.

Software Engineer

Sep 2009 - Feb 2011 (1 year)

Developing of the CAD systems for Dentists.

Software Engineer

Jun 2006 - Apr 2009 (2 years)

Development of the antispyware and cleaning tools for Windows operating system.

System Administrator

Aug 2004 - Feb 2006 (1 year)

Maintaning the servers (MS Windows Server 2003 and FreeBSD) and client stations of the investment company.



2002 - 2007 (5 years)


Programming Concepts (Master) (2009)


C++ (Master) (2009)


UNIX Administration. General (Master) (2008)


Functional Programming Principles in Scala (2013)