Konstantin Chubenko

The work was done well, the requirements were fulfilled, the wishes were taken into account. The main thing is to voice them. During the first test there were a few nuances, but they cleared very quickly. A pleasant and good expert, I recommend you to collaborate!

Быстро, качественно, оперативно выполнена работа. Константин сразу понял всю задачу и выполнил качественно.
Если будут какие-то баги, то обращусь к нему.
Рекомендую

Qualitatively and quickly responds to any questions.

Thank you very much for your work. A great programmer! Quality and speed at height, excellent result.

I highly recommend, really good author, listening to the wishes of the customer, pleasant to work

Fast and quality! I did a coursework in one day.

The program works, all requests have been fulfilled. A huge thanks!

Fast and quality, I recommend.

Very good performers.
Greatly performed work
Always in contact.
I have done 200% work.
I did more than I needed.
All in the time as agreed.
I recommend)

It’s all perfect, I recommend.

The freelancer did his work quickly and quality.

I asked for a few laboratory works. Constantine listened to everything I asked him, and done everything in time. The work was exactly the way I asked.All the freelancers are advised!

Everything was done quality and in time. In accordance with the terms and conditions agreed. Even a little more than required. Thank you very much for the work done.

Everything is great, very fast.

Work done quickly and well, the freelancer is very pleased.