Sergey A.

Sergey A.

VoIP CallXML developer

Kazan, Russia

$10.00/hr

(4.90)

What's the difference?
Overview

I am focused on efficiency of software development. I am improving my efficiency every day with great success.
I am independent freelance developer with 10+ years experience, I can be responsible for your project. High quality of code is guaranteed.

My favourite technologies are StarTrinity CallXML (VoIP scripts), WPF, AJAX, WPF, MVVM, Entities Framework. Over last 13 years I have successfully developed a wide range of applications for various businesses using C#, WPF, audio/video media proce…

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Sergey A. has added 9 portfolio pieces. Create an account to review them.

Work History & Feedback

Silverlight .NET 4 Expert

“very skilled worker, will use again”
5.00
42 hrs @ $25.00/hr
Earned $1,054

Application Developer For Reverse Proxy

“Sergey is responsible for a complex programming project involving reverse TCP/IP connections and MySQL. He is doing a very good job.”
5.00
Fixed Price $500

Demo ActiveX or Silverlight control showing microphone signal

“Great project, Sergey was very responsive and clearly communicated the questions he had along the way, as well as providing interim versions for me to provide feedback. Recommended.”
5.00
Fixed Price $167

Level 2 Support

No feedback given
5.00
Fixed Price $60

ASP desktop application

No feedback given

117 hrs @ $28.89/hr
Earned $3,385

Develop a software that ingest streaming web video

No feedback given

312 hrs @ $29.00/hr
Earned $9,034
Tests Taken
Name Percentile Score

ASP.Net 3.5 using C# Test

70

Call Center Skills Test

89

Customer Service Test

16

English To Russian Translation Skills Test

25

Programming with C Test

95

Programming with C# Test

74

Russian To English Translation Skills Test

89

SQL Test

83

U.S. English Basic Skills Test

70