Sergey P.

Sergey P.

Top-Rated iOS/Android Developer

Kharkiv, Ukraine



What's the difference?

I've been developing for iOS platform since the first public SDK release in 2008. I bought the first Android device in same year and immediately started developing mobile applications for both platforms. Over all these years I gained lots of experience, tried almost all SDK features and became a real mobile development expert. Now I'm one of the top Upwork developers with more than 30,000 worked hours and 4.9 customers review rating. Please look at my portfolio and don't hesitate to contact me.

Sergey P. has added 5 portfolio pieces. Create an account to review them.

Work History & Feedback

Senior iOS developer

“Great Contractor, highly recommend.”
182 hrs @ $29.00/hr
Earned $5,186

Cross Platform Game Developer Needed

“Best App developers on odesk. Worth every penny! Client loved the end result!”
129 hrs @ $25.00/hr
Earned $3,225

Game developers for Windows platform + Cocos 2d

“Guys did everything just perfect! Strong gamedev experience leaves NO CHANCE of failure to any project. Everything was done on time and budget. They were keeping good attitude and make necessary adjustments and recommendations instead of "just doing tasks", This is what differs this team from the others. I would highly recommend to work with them!”
40 hrs @ $25.00/hr
Earned $988

Excellent Software Developer Experienced With Writing Developer Tools

“Vadim is an incredibly talented developer. Not only he complied with all of our standards single handedly, he also proactively made suggestions and definitely affected the roadmap of the product. I'm looking forward to once again working with him.”
185 hrs @ $29.00/hr
Earned $5,510

IOS 8 app with embeded webbrowser and javascript communication

“Great job. Quality of code was not perfect, but acceptable for the job.”
14 hrs @ $29.00/hr
Earned $406

Very simple iOS game. (Number/board game - No graphics no game engine)

“great developer”
71 hrs @ $24.00/hr
Earned $2,100

Collection of games, social linked

Job in progress

736 hrs @ $27.00/hr
Earned $19,872
Tests Taken
Name Percentile Score

Knowledge of Symbian C++ Test


OpenGL Programming Test


Programming with C++ Test


Upwork Readiness Test for Independent Contractors and Company Managers


iOS 6 Programming Skills Test


iPhone Programming OS 2.1 Test


iPhone Programming OS 4.0 Test