Hóa đơn điện tử - Chữ ký số - Web - APP - C|C++-JAVA-C#

Cryptography-DigitalSignature-Web-C|C++-JAVA-C# Hello! Firstly, Thanks for you visiting my profile. I am a developer! I have 5 experience in software development. Please follow my skills: - Strong experience in digital signature - Browser: build extension/add-on and plugin for all browser - Languages : Java(7,8), C# C|C++, JavaScript, React... - Frameworks : Java Spring, J2EE, SpringMVC , Laravel, Express, Django.. - Mobile: Android (native) , iOS (Objective C) and React native. - Web development: Java web, .Net web, React js... - Webservices: Both Resful and Soap. - Databases: Sql server, Mysql, Oracle, Sqlite, Postgres... - System design : UML , ERD , Features model... - IDE : Intellji , Eclipse , Android Studio , Visual Studio , Sql Studio, .... - OS : Window , Centos, RedHat. - Communication tools : skype, slack. .... Hỗ trợ lâu dài.