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Daud Mahmud Aovin is a Digital Marketer and Brand Promoter as well as Android developer. He is the Found of Aovin Mahmud,LLC and COO of OffTechIT Bangladesh, and the overall Core development operations of the both company.  He has very high-level Java development experience including android development in various programming environments. He has a total of 4 years of solid experience in software development and management for small medium and large Information technology organizations. Now Aovin is working with a reputation in Bangladeshi top telecommunication company ROBI Axiata as a national app store of Bangladesh (BDApp) Developer. He is focusing on corporate business improvement by providing software development solutions, consultancy, and technological knowledge advancement. He is also a successful freelancer, eCommerce entrepreneur, and expert digital marketer with lots of five-star reviews.