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Location

Poland

Rate

$53  / per hour

Years of experience

18+

About

With over 20 years of experience in the analysis, design, and development of client applications, I am a seasoned Senior VB.NET Developer proficient in creating Windows applications and services using VB.NET, C#.NET, ADO.NET, and SQL Server within the Microsoft Visual Studio IDE. My skill set includes advanced VB.NET programming, network administration, and Windows Server management. Additionally, I have substantial experience with data processing, client/server programming, and web services, including XML, XML Schema, DOM, and AJAX. My expertise extends to advanced hardware knowledge, encompassing repair and diagnosing, along with exceptional skills in software installation and troubleshooting. In my current role at Class IT, where I have been a .NET Developer for over 18 years, I am responsible for developing backend services and GUI for the OptimumDesk application using VB.NET 2017, VBA, Rest API, Windows sockets, and various APIs. My duties include studying business requirements, coding, implementing functions, and conducting performance and penetration testing. I also create and maintain user and technical documents and develop custom software for clients. Previously, I served as an IT Manager at Angelescu Hospital, where I provided internal IT support, developed a website, and managed network and IT assets. As an IT Analyst at C.A.S.A.O.P.S.N.A.J., I created software for statistical analysis and data reporting from medical contractors, contributing to daily operations and statistics reports.

Tech Stack

Visual Basic (VB), .NET, C#, Network Administrator, SQL Server, Windows, XML

Experience

  • Developing Windows applications and services using VB.NET, C#.NET, ADO.NET, and SQL Server.
  • Creating backend services and GUI for the OptimumDesk application.
  • Performing advanced VB.NET programming, including performance and penetration testing.
  • Providing internal IT support and managing network and IT assets.
  • Conducting business requirement studies, coding, implementing functions, and testing applications.
  • Creating and maintaining user and technical documents.
  • Developing custom software solutions for clients and administering network systems.

Employment history

.NET Developer, Class IT June 2006 - Present
  • Create the Windows application back end services and GUI for OptimumDesk using VB.NET 2017, VBA, Rest API, Windows sockets, and various APIs
  • Study business requirements, develop code, implement functions, and test applications before QA
  • Create and maintain user and technical documents
  • Perform performance and penetration testing
  • Develop custom software required by Class IT clients
  • OptimumDesk deployment and maintenance
IT Manager, Angelescu Hospital February 2001 - June 2006
  • Provide internal IT support
  • Prepare monthly reports to CASAOPSNAJ
  • Develop and administer the hospital website
  • Design and install an Active Directory-based computer network
  • Administration of network and IT assets
IT Analyst, C.A.S.A.O.P.S.N.A.J. May 1997 - February 2001
  • Daily operation and statistics reports as required
  • Create software for statistical analysis and data reporting from medical contractors
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