Ognyan Obretenov

Ognyan Obretenov

C++,C#,VB, SQL developer, PLC&HMI

Plovdiv, Bulgaria

$20.00/hr

(4.89)

What's the difference
Overview

I am programmer/ developer over 20 years.
During that time I have worked on a lot of project, namely in two field:
- Desktop Database Application ( Vb, VB.NET, C++, C#, MySql, MS SQL, MS ACCESS) 
- Real Time Linux based application ( C++, KDE, QT, RTAI ). 
I have also some application for :
   - development of microCPU devices ( 8051, PIC16, PIC18,PIC24, Arduino ) 
   - programming of PLC and HMI ( AB, Siemens, Unitronics, Delta, Zelio, Click). 
   - project on web site development using ASP…

more

Ognyan Obretenov has added 10 portfolio pieces. Create an account to review them.

Work History & Feedback

LINUXCNC RETROFIT

“Excellent work, excellent person.”
5.00
16 hrs @ $18.89/hr
Earned $309

C# programming

“he has good skill of C#. I really recommend him!!”
5.00
Fixed Price $33

C Programming Assignment RPG Game

“Mr. Obretenov is an excellent coder and I appreciate the help and he has given me.”
4.85
Fixed Price $110

Finish my visual basic project

“Freelancer was prompt with responding to job offer, job was done exactly as requested and with a quick turn around time. Strongly recommend this freelancer to you!!”
5.00
Fixed Price $33

Plc unitronics not sending email

“Excellent work. Would hire again.”
5.00
10 hrs @ $18.89/hr
Earned $186

DBA - Mysql Database Optimization & Redesign

“Does the job well. Had some difficulty communicating due to different timezones. Overall he did great.”
4.85
Fixed Price $389
Tests Taken
Name Percentile Score

Data Structures Test

71

Embedded Systems Test

87

MS Access 2003 Test

84

MS Access 2007 Test

94

Microsoft Access 2010 Test

94

Microsoft Word 2010 Test

60

MySQL 5.0 Test

72

Networking Concepts Test

94

Programming with C Test

84

Programming with C# Test

65

Programming with C++ Test

62

SQL Test

62

System Analysis Test

96

System Programming Test

49

TCP/IP Test

59

UK English Basic Skills Test

20

Unix Test

46

Visual Basic 6 Test

92

Visual Basic Test

82

Windows XP Test

74