* TOTVS (Computer Software): Analise de sistemas
* Grupo A&C (Information Technology and Services) [desde 4/2010]: Object-oriented development, requirements gathering and documenting projects. Customization and optimization systems in C # and VB, ASP.Net, Windows Forms and Web Form integrated with AJAX using the Visual Studio with Framework 3.5 with SQL database server.
Reports using Crystal Report.
* MRV Engenharia (Civil Engineering) [desde 2/2009]: User Support for desktop and notebook / user creation and permissions in Windows Server / structuring of the physical and logical / setup email on IBM Lotus Notes.