Sergey B.
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Sergey B.

iPhone/iPad/Android and Java developer


Omsk, Russia


I am tech lead and senior developer at ISS Art LLC I have 7+ years experience. I specialize in iOS and Android application development for both phones and tablets. As a tech lead I concentrate on the high code quality and application correspondence to final customers expectations within the deadline. To meet the expectations I ask for constant communication and skype voice meetings. Upon the completion our team hands over all the source code and files to customer. To ensure the transfer we sign an Agreement for compensatory transfer of exclusive intellectual property rights. Key Experience - Java for web and mobile ... moreapps - mobile applications - client-server communication - multithreaded and asynchronous applications - database replication & synchronization - network communications - third party services integration (custom JSON / XML-RPC / SOAP APIs, Facebook, Twitter, YouTube, Flickr, FedEx, USPS, etc.) - image & video processing (computer vision, video filters) - object oriented design Key Expertise 1. Professional level UI customization, suggestion of best user friendly and elegant UI design 2. Google Map API and the building of Location Based System 3. Network Communication and Database Programming by using Core Data and low-level SQLite 4. Integration with social networks (like Facebook or Twitter). 5. Mobile applications for existing web services. 6. Applications that consume streaming video and audio. 7. Integration with third party SDKs such as Google AdMob, Apple iAd, Urban Airship, Google Analytics and so on. 8. Push Notifications by using APNS / C2DM / Urban Airship. 9. 1D and 2D barcodes (including QR codes) creation and scanning. 10. Low-level graphics programming (Quartz Core, Core Graphics, Quartz 2D, OpenGL) 11. Transitions and animations (Core Animation) 12. Video, Camera, Image/Photo processing and sharing less

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Name Score (out of 5) Time to Complete
DotNet 3.5 using C# Test 4.90 Top 10% 13 mins
iPhone Programming OS 2.1 Test 4.20 Top 10% 15 mins
Programming with C++ Test 4.25 Top 10% 26 mins
Objective C Test 4.50 Top 20% 20 mins
iPhone Programming OS 4.0 Test 4.60 Above Average 5 mins
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Work History

100% Job Success
662 hours worked
5 jobs


More than 30 hrs/week

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