I am a Front End developer, specialized in javascript frameworks like Angular, i have a respectful experience in which concerns building websites espically web applications.
And as a SysAdmin, I have also a quite suffisant professional experiences in Maintaining UNIX systems, Network services, hosting servers,...
also in terms of integeation i had some experiences in systems Integration, Data Integration, (ETL) with both open sources (Talend) and closed-sources SGBD Solutions (SQL SERVER) .