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Rodrigo Koch

Rodrigo Koch

São Paulo - State of São Paulo, Brazil
Member since June 24, 2012
Rodrigo is a Microsoft Certified Professional in .NET Web Applications with C#. His dual nationality makes him a valuable resource as developer in both Germany and Brazil. He has strong development and troubleshooting skills with a portfolio to match; his extensive list of well-known clients includes Nestlé, Chartis Insurance, and Casio Brazil. Today, he works at Samsung Latin America.
Rodrigo is now available for hire
  • ASP.NET, 6 years
  • C#, 6 years
  • T-SQL, 5 years
  • SQL, 5 years
  • VB.NET, 3 years
  • ASP.NET MVC, 2 years
  • jQuery, 2 years
  • Entity, 2 years
São Paulo - State of São Paulo, Brazil
Preferred Environment
Microsoft Visual Studio .NET
The most amazing...
...project I've tackled is the refactoring of a large-scale Windows system (to web) with minimum damage to both system performance and user experience.
  • .NET Developer
    Samsung Data Systems
    2012 - PRESENT
    • Improved existing Samsung core systems.
    • Provided technical support to employees by troubleshooting issues.
    • Developed a variety of new systems.
    Technologies: C#, SQL Server
  • .NET Developer
    2011 - 2012
    • Developed tool for daily export of large data from SQL Server to ERP. Used Stored Procedures and Cursor.
    • Developed financial system while at Nestlé (integrated into WCF).
    • Worked on transferring of invoices and product requests for web services.
    • Performed Database and Software Tuning, UML Documentation (Use Cases and Diagrams), Specification and Database Modeling.
    • Worked alongside diverse team which included members from India, China, and the Philippines.
    Technologies: C#, SQL Server, UML, jQuery, JavaScript, CSS, HTML
  • .NET Developer
    PRODESP (Government)
    2011 - 2011
    • Worked on database tuning and development of internal systems.
    • Improved refactoring, modeling, and prototyping of projects.
    Technologies: C#, SQL Server, Oracle, ASP.NET, jQuery, MySQL, JavaScript, CSS, HTML, UML
  • .NET Developer
    INSPIRIT Systems
    2009 - 2011
    • Worked on prototyping for various internet banking clients.
    • Developed intranets for various university clients.
    • Performed use-case testing and UML, as well as data modeling and implementation of logistics systems.
    Technologies: C#, SQL Server, ASP.NET, jQuery, MySQL, JavaScript, CSS, HTML, UML
  • .NET Developer
    2006 - 2009
    • Developed eCommerce application.
    • Contributed to management systems, including law magazine's web system.
    • Maintained CASIO Brazil website.
    • Worked on modeling and documentation.
    Technologies: C#, VB.NET, SQL Server, ASP.NET, jQuery, MySQL, JavaScript, CSS, HTML, UML
  • Carta Forense (Development)

    Website for most prominent law journal in Brazil.

  • SQL Database Performance Tuning for Developers (Publication)
    Database tuning can be an incredibly difficult task, particularly when working with large-scale data where even the most minor change can have a dramatic (positive or negative) impact on performance. In mid-sized and large companies, most database tuning will be handled by a Database Administrator (DBA). But there are plenty of developers who have to perform DBA-like tasks; meanwhile, DBAs often struggle to work well with developers. In this article, Toptal Freelance Software Engineer Rodrigo Koch provides developers with database tuning tips and explains how developers and DBAs can work together effectively.
  • Languages
    VB.NET, SQL, T-SQL, C#, JavaScript
  • Frameworks
  • Libraries/APIs
  • Storage
    Microsoft SQL Server, MySQL
  • Platforms
  • Paradigms
    Extreme programming
  • Bachelor's degree in Analysis and Systems Development
    UNIESP - São Paulo, Brazil
    2009 - 2012
  • High School degree in Computer Science
    Colégio Anchieta - São Paulo, Brazil
    2003 - 2006
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