A successful Web Frontend developer with extensive software design and coding experience of developing complicated SAP (Single Page Application) and knowledge of server-client communications, principles of common web protocols working (HTTP, SSL, TCP, UDP), ways of authentications (Form-based authentication, oAuth). Having a good experience with Javascript optimization (debugging, safe refactoring with small parts, finding a right solution according to situation etc). Following the principle of modularity - don’t write that already was written by someone else.