Start programming in MS-DOS environment with C ++, Clipper, dBase and Codebase, software of all kinds, databases and memory-resident programs.
Windows programming with Visual Fox, Visual Studio, C #
I 've done complex APPS for Android, IOS, Windows mobile, Windows 8 and 10 also Ionic Framework, Cordova and Phonegap.
Experience in XML, JSON, digital certificates and SOAP
Installation and Customizing for platforms such as Moodle.
Mail management platforms such as SendGrid, Mailgun and SMTP
I work Arduino designs, optocouplers and digital electronics designs.
Management experience cloud servers, Azure and Google cluod.
Email migration from one ISP to another.
Handling mail servers and anti-spam system ASSP
Many customers placed in Mexico, South America, USA, Spain, Tokyo and other places.
Support by email, chat, teamviewer and RDP.