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David Grigoryan (Lumen)

 iOS Developer | Swift, Objective-C

David Lumen is an accomplished iOS Developer with extensive experience in Retail, Banking, and E-commerce industries, having worked for top big tech companies. Lumen is highly skilled in iOS SDK, Swift, Objective-C, debugging, ARC, Unit-Testing, and GCD. He has a Postgraduate Degree in Computer Science from Bauman Moscow State Technical University and a Bachelor's degree in Marketing/Marketing Management, General from Russian State Agrarian University. As a public speaker, contributor, and T-shape advocate, Lumen is highly admired in the tech community. He currently holds the Senior iOS Developer position at OZON.ru and has previously worked as a Senior iOS Developer at Sberbank, iOS Developer at King Bird Studio, and Software Engineer Intern at Paragon Software. Lumen is approachable and openly invites inquiries from peers and recruiters.

Highlights

May 7 · linkedin

I've noticed that every time I use any iOS application, I find myself asking, "How would I develop this?" One of such applications has been the AMEX app on iOS. In my free time, I've developed a wireframe of an application simulating the main screen of the AMEX app.

Perhaps someone will find it interesting to study and learn something new for themselves or integrate it into their current project. I hope my professional curiosity will be useful to someone. The link to the source code is also attached.

https://lnkd.in/ersqJ-vw

#iosdev #ios #iosdeveloper #swift #amex

Jun 1 · linkedin

Thanks to the ITVDN team for the opportunity to be a host on the iOS course. It was a pleasure to collaborate with such a great team and to share my experience among new developers! :)

https://lnkd.in/e4Apkh8 #freewebinar #itvdn #iosdevelopment # #ios

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David Grigoryan (Lumen)
David Grigoryan (Lumen), photo 1
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Location

Charlotte, North Carolina, United States