Guerth Castro Email & Phone Number

Remote

Designing a developing .net, Vue js, React apps and components for our company customers.

Costa Rica

Costa Rica

Costa Rica

I've been working in the design and development of an integral IT platform to manage the cloud infrastructure of our client. Nowadays to develop my daily work I use technologies like .Net Core 2.0 API's, Angular 5, ASPX, C#, WCF, RESTFul services, jQuery, Server 2012 and 2014, TFS, Git, Azure LogicApp's, runbooks and so on.

Costa Rica

My duties in this time as a Sr. Software Engineer, are the maintenance, fixing bugs and develop new enhancement of ClinViz, ClinFeed and ClinPlan projects, those manage contracts of medical studies and is developed with .Net application, and also I'm able to help my coworkers with the rest of applications. Nowadays to develop my daily work I use the following technologies: Sql Server 2012 and 2014 , Entityframework 6.0, Webforms, ASPX, C#, WCF, RESTFul services, jQuery, jQuery UI, Application fabric cache, Angular, TFS, Git, Docker containers,.Net Framework 4.5, .Net Core 1.1, .Net Core 2.0, Micro services, EntityFramework coreAzure and other new technologies.

Santa Ana, San José Costa Rica

At this time as a Sr. Software Engineer, are divide in three stages as the project. I the first stage of the project I'm in charge of the maintenance, fixing bugs a new enhancements on the Powerbuilder applications, and also I have to take architectural decisions if these enhancements are going to be applied on the applications or moved to the new .Net application. Also I'm able to help my coworkers with the rest of applications all developed with C# and visual basic, besides to review, fix and create new unit tests running locally and into the build server.In this position I use multiple technologies like Powerbuilder, Sql Server, Entityframework, ASPX, C#, WCF, RESTFul services, jQuery, jQuery UI and so on.

Costa Rica

During this time I've worked a new terminal file scanning application to manage the stored files into or client´s pc, this solution was started from beginning with vs2013 and framework 4.5, application block as database manager, t4 as templates for business objects, linq, lambda expressions sql 2008nd. Also this application have a Web admin portal made with Microsoft MVC5 html helpers, RESTful api jQuery and the highest web technologies

In Fiserv I've worked creating a new winform application to manage test automation with vs2013 and framework 4.5, entity framework, linq, lambda expressions sql 2008nd TFS as test cases engine, and also I´ve workrd with Microsoft Dynamics CRM developing plugins, integration with external applications, reports and UI Forms, responsible to create new business functionality. Also I’ve been working developing WCF services that provide an extension to external applications to allow intercommunication between Dynamics CRM and any other external application, it was developed using Visual Studio 2010 (C# and framework 4.0), Dynamics CRM SDk, Javascript, jquery, HTML5 and other Microsoft Dynamics Development tools

During this time I worked in the maintenance of several Web applications: NewHomeSource which was developed using ASP.NET 4.0 and C# as well as MVC Razor, jquery and entity framework, NewHomeSourcePro was developed. using .NET Framework 3.5 and C#. It is a project that uses webforms and ADO.NET as connections to the database, eflyer developed with .NET Framework 2.0 using VB and ADO webforms as a database connection. In addition I worked in a console application (a scheduled task) that uses the Responsys API to send email campaigns. It was developed with .NET Framework 4.0, C# and ADO.NET as connection to the database

During this time I´ve worked in the IT Department at INS, in the security area, specifically in secure programming. I wrote policies and safe programming manuals, based on good programming practices specially in C#. I've developed the authentication module using smart card and the System.Security.Cryptography libraries, COM components (ActiveX) and JavaScript, for web applications. I have developed a web application that allows to manage the area resources. I also developed a web interface that lets users manage AS400 systems. Both applications were developed in VS2008 with ASPX and C # as code behind language, and SQL Server 2008 as database engine, and used reporting services for the presentation layer (charts and reports). I also developed a WCF service library which allow integrated authentication through Active Directory identity and role-based authentication (AzMan) developed also with VS2008 using C # and communicating through TCP protocol. In the past months I have combined these duties with other tasks I had as virtualization infrastructure architect, which is intended to design and implement a new virtualization infrastructure on Microsoft Hyper-V and SCVMM 2008.

Worked independently, providing advice on maintenance and improvement of networks, systems development, designing and hosting Web pages. I got specialized in creating applications on the Microsoft .net platform. The last development in which I am involved with when working as consultant is an ERP for a hardware store that has several locals around the country and several wineries. The design was built for centralizing all the management and administration, using Reporting Services to provide Web-based printable reports and the POS designed to work with Windows Form, which interact with a collection of WebServices for information exchange between the centralized data bases and POS terminals, those applications were developed in VS2008 (ASPX and win forms) C # as base language, and SQL Server 2008 as database engine, and used reporting services for the presentation layer (charts and reports). I also developed a WCF service library which allow integrated authentication the web and win forms applications.

On this role, I was the responsible for maintaining accounting systems, banks and assets (developed in Delphi 3 and Sybase), performed the analysis and design of the new system for the enterprise (integrating the three previous systems), using MySQL and Delphi 7, developed small applications for specific enterprise applications, in addition to undertaking the maintenance of database server (Sybase Adaptive Server). In addition to carrying out the restructuring and maintenance of the network, installed the internet service dedicated ICE and a mail server (Debian GNU Linux 3.0, Exim. Ipop3, SSL, Webmail and Usermail).

Costa Rica

During this period I participated in the SCAD system maintenance, performing, develop new features like a human resource module. Then I’ve developed some little applications for the companies’ customers, and I’ve provided technical support to customers not only on site but also by telephone. the technology I was used to use in this period was:• Microsoft Visual C++, Visual Basic 6.0 and Delphi 6.• Ado technology. • SQL-Server Express 2000• MS Access 97 – 2000.• My Sql Server 3.2

Executive Mba, Business And Administration, Mba

Bachelor'S Degree, Systems Ingeneering, Bachelor'S Degree

Last Semester Bachelor'S Degree, Ingenieria En Sistemas

Activities and Societies: Soccer team