Oleksandr K.

Oleksandr K.

Mobile, Desktop and DSP developer

Donetsk, Ukraine



What's the difference?

Over the last years I've been developing apps for iPhone, although, most of the apps I developed are still under NDA. Previously I've been developing DSP solutions (mostly digital image and audio processing algorithms) and industrial control systems. I like iPhone development, as there is some challenge because of the limited processing capabilities, but it is still fun. My core competencies are DSP systems and along with all sorts of non-web apps.

I also have experience in the following areas:…


Oleksandr K. has added 10 portfolio pieces. Create an account to review them.

Work History & Feedback

iPhone App to supplement an existing full featured web application

“Over all, we are happy with Trim. He has given us the first version of our iPhone app, which is pretty exciting.”
166 hrs @ $22.22/hr
Earned $3,696

Function to stretch or expand an mp3 file in time

“We're doing more work next week - nuff said!”
Fixed Price $278

Debugging IOS issue with Core Graphics API

“Contract was finished in a timely manner, Olkesandr was able to get to the root of a problem that had been plaguing my other contractor for a couple of days. In all, Oleksandr was professional and efficient.”
Fixed Price $67

Iphone app developer

“Delivered excellent work and could clearly explain what he was working on, and was all round helpful. Hope to work together in the future.”
27 hrs @ $22.22/hr
Earned $582

iPhone app - database focused

No feedback given

58 hrs @ $33.33/hr
Earned $1,772
Tests Taken
Name Percentile Score

Objective C Test


U.S. English Basic Skills Test


iOS 6 Programming Skills Test


iPhone Programming OS 2.1 Test


iPhone Programming OS 4.0 Test