Andrey Kalin

Andrey Kalin

Senior developer PHP/MySQL Zend CI Yii JS Angular HTML5/CSS3

Zaporizhzhya, Ukraine



What's the difference

Over the last 7 years, I have developed a wide range of Web services for mobile applications using PHP, MySQL, JavaScript, JQuery, Angular Zend, Yii, CodeIgniter, frameworks including sites for startup companies and small businesses. My core competency lies in buiding RESTFul APIs for mobile clients as well as front-end UI, one page applications.

I also have some experience in integration payment systems like PayPal, Authorize.NET, 2Checkout, Facebook, Twitter, Amazon, Google Maps.



Andrey Kalin has added 6 portfolio pieces. Create an account to review them.

Work History & Feedback

PHP Backend developer

“Job well done and will rehire again if there's a need. Thanks!”
89 hrs @ $20.00/hr
Earned $1,770

European based PHP/MySQL expert

“Andrey has worked for me for a very long time and I am now working on some other projects and won't require his skill set as much as previously. He has been great to work with and I plan to continue working with him albeit from time to time. He's reliable and when there's been issues he's come in on weekends to fix them. He someone who you can count on and nowadays that's a pretty hard thing to come across.I would definitely recommend Andrey.”
1,527 hrs @ $15.67/hr
Earned $23,931

European based PHP/MySQL expert

“Andrey has been a loyal programmer with a good work ethic, a good grasp of communicating and an appetite to develop good, clean code. I've tried too long not to fill out this feedback due to other project managers possibly wanting to snatch him after I write this review. Seriously he's good but seriously - he's all mine.”
1,400 hrs @ $14.00/hr
Earned $19,600
Tests Taken
Name Percentile Score



English Spelling Test (UK Version)


HTML5 Test


JavaScript 1.3 Test


JavaScript 1.8 Test


MySQL 5.0 Test


PHP Test