Lead the team in migrating legacy infrastructure to modern stack, utilizing .NET Core, CQRS, and Azure cloud. Redeveloped existing systems to support custom account management, content, and mobile business verticals. Successfully integrated cloud services for RIA support and product ful : llment application, multilingual content services, and a pluggable payment provider architecture for pre-authorization credit card payments.

New ZXY 08/2015 - 09/2017 Developed a platform for e-Commerce digital distribution used by 200, 000 users worldwide, employing .NET and Azure cloud infrastructure. Provided infrastructure and integration guidelines for load-balancing and web farm deployment. Designed and implemented scalable back end for 10 business-critical websites.

Optimized SQL queries for the heavy-load parts of the system, which improved website responsiveness and reduced the database costs by 20%. Developed and maintained 10+ websites, using ASP.NET MVC and SQL Server.