Great experience in IT over 10 years: front / back - ends, mobile, system administration and deployment cycle. I have implemented effective and great software products and applications. My experience is solid in different areas, I know OOP and functional programming; declarative and imperative approaches, design patterns which are used in architect and behavioral sides. I've developed high-load advertisement system, interpreted language, presentation software program, analytics system for manufacturing and social applications. I have lead experience in software development, mobile applications, software advertisement system, e-learning from conceptual development to production release.