Alejandro Romero, SharePoint Online Developer in Buenos Aires, Argentina
Alejandro Romero

SharePoint Online Developer in Buenos Aires, Argentina

Member since January 21, 2013
Alejandro specializes as a SharePoint architect and C# developer with more than 15 years of experience with Microsoft technologies. Since he began his career as a freelance developer, Alejandro has succeeded as a team leader for a variety of corporate projects.
Alejandro is now available for hire




Buenos Aires, Argentina



Preferred Environment

Nintex Workflow, Nintex, Flow, Microsoft Power Apps, SharePoint Online, Visual Studio, SharePoint

The most amazing... I've created is for my own real state startup.


  • Lead Software Engineer

    2010 - PRESENT
    CME Group
    • Led the development and architecture of their intranet in SharePoint 2010 at first, then transitioned into 2013/2016, and now into SharePoint Online.
    • Created custom approval workflows using Nintex. Created custom web elements.
    • Migrated to SharePoint Online using ShareGate and created forms using PowerApps and Microsoft Flow.
    • Used InfoPath to create custom forms that integrate with Nintex.
    Technologies: SharePoint 365, JavaScript, SharePoint 2013, ShareGate, Nintex Workflow, Microsoft Power Apps, Microsoft Flow, CSS, jQuery, SharePoint Designer, Nintex, InfoPath, C#, .NET, SharePoint
  • SharePoint Developer

    2017 - 2017
    Cleveland Cavaliers (via Toptal)
    • Created forms using InfoPath Designer and Nintex Forms.
    • Automated workflow using SharePoint Designer to send notifications. assign tasks, and customize permissions.
    Technologies: SharePoint, Nintex, SharePoint Designer, InfoPath
  • Web Developer

    2016 - 2016
    AussieWeb (via Toptal)
    • Re-architected an old Visual Basic site into a new MVC application.
    • Used Bootstrap to make the site mobile friendly.
    • Used jQuery for many front-end components.
    • Implemented responsiveness on pages on a second ASPX project.
    • Used an Entity Framework database-first approach.
    Technologies: ASP.NET MVC 5, JavaScript, .NET, Bootstrap, Bitbucket, Entity Framework, Visual Basic, Model View Controller (MVC), C#
  • Web Developer

    2015 - 2016
    Kibly (via Toptal)
    • Created a product rank tracker using Amazon Marketplace Web Service (Amazon MWS).
    • Redesigned the site, making it responsive using Twitter Bootstrap.
    • Worked on web hooks to integrate the billing process with Chargebee.
    • Implemented a free user registration process into the existing system.
    Technologies: ASP.NET MVC 5, JavaScript, .NET, Bootstrap, ASPX, Microsoft SQL Server, Amazon MWS, C#
  • Web Developer

    2014 - 2015
    Vizit (via Toptal)
    • Created an online file viewer that could take documents from SharePoint and make them public on a website using MVC, Entity Framework, and Bootstrap.
    • Worked on enhancements and bug support from their main product (Vizit).
    • Contributed to the creation of a SharePoint app for Office 365 and SharePoint Online.
    • Helped set up and deploy solutions to Azure and Amazon AWS.
    • Worked with the Atalasoft and Aspose libraries.
    Technologies: JavaScript, .NET, Amazon Web Services (AWS), Entity Framework, Bootstrap, AWS, Azure, SharePoint, C#, ASP.NET MVC
  • SharePoint Developer

    2013 - 2014
    BlueSphere Solutions (via Toptal)
    • Developed an interactive dashboard for comparing country information.
    • Developed custom SharePoint solutions.
    • Created an import process that updates many SharePoint lists based on an Excel file.
    • Created custom health rules to monitor farm performance.
    • Implemented event receivers, timer jobs, site definitions, and visual web parts.
    Technologies: .NET, jQuery, C#, SharePoint
  • SharePoint Developer

    2008 - 2010
    • Designed and developed the Telefonica Spain Dashboard along with a team of programmers.
    • Worked with a team to design and develop the intranet of Claro.
    • Led meetings and product demos for company clients.
    • Served as a software designer for a number of generic solutions created to be reusable across several projects.
    • Wrote architectural documents.
    • Trained the Colombian police department in SharePoint.
    Technologies: SharePoint, SharePoint Designer, InfoPath, C#, .NET, SharePoint 2007
  • .NET Developer

    2007 - 2008
    • Worked in a team to develop a web app that controlled the lease of trucks for CAT Finnig.
    • Worked in a team to develop a web app for renting cars.
    • Built a workflow for Gasnor to use in their SharePoint intranet.
    • Worked as part of a team developing a web mail offers generator for Despegar.
    Technologies: .NET, SQL, C#
  • Web Developer

    2005 - 2007
    • Worked on demand, developing a number of web projects for small businesses.
    Technologies: .NET, C#, CSS, HTML


  • SharePoint Architecture

    I developed the CME Group intranet for SharePoint 2010 as lead SharePoint architect.

  • SharePoint 2007 Developments

    I created numerous custom SharePoint 2007 developments in C# as senior .NET/SharePoint developer.

  • ASP.NET Web Apps

    I created several web apps using ASP.NET as a front-end developer.

  • SharePoint Online Migration

    After migrating to SharePoint Online, many forms that were created using InfoPath on-prem were not compatible. So I created new ones with the same functionality and a new design using PowerApps, Flow, and Nintex.


  • Languages

    C#, JavaScript, SQL, CSS, HTML
  • Frameworks

    .NET, Bootstrap, ASP.NET MVC 4, ASP.NET MVC 5, ASP.NET MVC
  • Tools

    InfoPath, Nintex, Microsoft Power Apps, Microsoft Flow, SQL Management Studio, SharePoint Designer, Visual Studio
  • Platforms

    Nintex Workflow, SharePoint 365, SharePoint 2007, SharePoint 2010, SharePoint 2013, SharePoint, Azure, Amazon Web Services (AWS)
  • Other

    SharePoint Online, ShareGate, Ajax, AWS, OAuth
  • Libraries/APIs

    Entity Framework, jQuery, ASPX
  • Paradigms

    Agile Software Development, Model View Controller (MVC)
  • Storage

    MySQL, Microsoft SQL Server


  • B.Sc. (4 Years) and MSc. Degree in Computer Engineering
    2003 - 2012
    University of Buenos Aires - Buenos Aires, Argentina
  • High School Degree in Math and Science
    1997 - 2002
    Colegio Nacional de Buenos Aires - Buenos Aires, Argentina

To view more profiles

Join Toptal
Share it with others