Vanclei Matheus, Software Developer in Curitiba - State of Paraná, Brazil
Vanclei Matheus

Software Developer in Curitiba - State of Paraná, Brazil

Member since April 2, 2019
Vanclei has excelled at working with .NET technology for over 15 years, co-authoring a book about C# language with two Microsoft Brazil employees and delivering various solutions in the .NET platform. He has strong database skills and collaborates with both local and remote teams of different sizes.
Vanclei is now available for hire


  • Work & Co
    Xamarin, iOS, C#, .NET, MongoDB
  • Sony Media Cloud Services
    Amazon Web Services (AWS), .NET Core, Scrum, xUnit, ELK (Elastic Stack)...
  • UruIT
    Scrum, Jira, Git, jQuery, REST APIs, Single Sign-on (SSO), AngularJS...



Curitiba - State of Paraná, Brazil



Preferred Environment

C#, Git, Visual Studio, MongoDB, .NET, VS Code

The most amazing...

...feature I implemented was a real-time video zoom in/out and crop feature for a content management system of a big media company.


  • Senior Mobile Developer

    2020 - 2021
    Work & Co
    • Developed an app for individual nutrition and hydration recommendation for Gatorade - Gx App.
    • Created an app to manage the nutrition and hydration of a team for Gatorade - Gx Teams.
    • Collaborated with the front-end team to translate iOS-specific features to Xamarin.
    Technologies: Xamarin, iOS, C#, .NET, MongoDB
  • Software Engineer

    2019 - 2020
    Sony Media Cloud Services
    • Created keyboard navigation dynamics for the product custom view.
    • Created a reporting service to generate asynchronous reports using AWS Queue.
    • Migrated code for different versions of the ElasticSearch repository.
    • Worked together on ensuring and helping the security framework.
    • Participated in the development of the new catalog feature for the media service.
    Technologies: Amazon Web Services (AWS), .NET Core, Scrum, xUnit, ELK (Elastic Stack), Elasticsearch, JavaScript, REST APIs, AWS, MongoDB, Vue, AngularJS, C#, .NET
  • Lead Developer

    2014 - 2019
    • Created a dynamic edition platform for multiple clients.
    • Developed a flexible security framework for a Sass client.
    • Led a development team based in two different countries.
    • Implemented generic data export functionality for the existing system.
    • Incorporated API integration for legacy systems inside and outside the company's network.
    Technologies: Scrum, Jira, Git, jQuery, REST APIs, Single Sign-on (SSO), AngularJS, Microsoft SQL Server, C#, ASP.NET, React
  • Senior Developer

    2013 - 2014
    Bravi S/A
    • Gathered requirements and designed a new WPF Data tool.
    • Developed WPF to access both SQL Server and Oracle databases.
    • Extended WPF components to suit project requirements.
    • Developed Xamarin app for Android phone.
    • Optimized database performance for existing system.
    Technologies: Scrum, TFS, Xamarin, AngularJS, Windows Presentation Foundation (WPF), Microsoft SQL Server, .NET
  • System Analyst

    2011 - 2013
    Exxonmobil Business Support Center Brasil
    • Supported critical application for oil pipelines.
    • Developed billing application for project team.
    • Supported and developed data integration on SQL Server for pipeline metrics.
    • Developed API components for accounting office.
    • Migrated legacy application to .NET.
    Technologies: ASP.NET, C#, .NET, SSRS, Microsoft Data Transformation Services (now SSIS), Visual Basic 6 (VB6)
  • Consultant

    2009 - 2011
    Cinq Technologies Ltda. (at Exxonmobil)
    • Migrated legacy application to .NET.
    • Developed apis to provide legacy system visibility to other processes in the company.
    • Helped define strategy and solutions for new in-house application.
    • Provided technical advice on running applications.
    • Optimized SQL Server database for refinery application.
    Technologies: Visual Basic for Applications (VBA), Windows Server, Microsoft Data Transformation Services (now SSIS), SSRS, Entity, Microsoft SQL Server, C#, .NET, Visual Basic 6 (VB6)
  • System Analyst

    2008 - 2009
    Third It Ltda (at Electrolux)
    • Developed Business Intelligence solution for accounting department.
    • Migrated Access/VB6 application to ASP.NET.
    • Developed Integration Web Services for third party systems consumption.
    • Developed data Integration components for BI.
    • Provided technical advice on Microsoft technologies.
    Technologies: Visual Basic for Applications (VBA), Microsoft 365, Visual Basic, VB.NET, C#, .NET, Microsoft Data Transformation Services (now SSIS), SSRS, SSAS
  • Coordinator

    2006 - 2008
    Vega I.T.
    • Coordinated the development team. Owned the recruitment and mentoring on agile projects.
    • Designed an ASP.NET ERP for small shops provided as SASS.
    • Designed and developed segregation for multiple clients consuming the same solution.
    • Developed biometric integration using .NET for HR systems.
    • Created web services to expose the application's data.
    Technologies: Remoting, .NET, PHP, Microsoft SQL Server, SOAP, C#, ASP.NET
  • System Architect

    2002 - 2006
    Datasul S.A.
    • Architected company's budget planing tool.
    • Developed a component framework to support company's ERP solution.
    • Researched viable solutions to implement company's Business intelligence tool.
    • Supported Legacy Business Intelligence tool.
    • Developed Business Intelligence Cubes for SQL Server.
    Technologies: SQL Server Analysis Services (SSAS), C#, Visual Basic 6 (VB6), SSAS, Microsoft SQL Server, OWC, Windows


  • Desenvolvendo com C# (Developing with C# - Book)

    Coauthored a book about the C# Language with two Microsoft employees, the book was used as a textbook for some private universities in Brazil.

    Also, it was launched on Microsoft's Professional Developer Conference in Brazil.

    ISBN: 9788536303468

  • Praiera (Personal Project)

    Beer/cold beverages delivery service app intended to deliver the products where the customer requested (geolocation). In this case, at the beach, in the sand.

    REST API, ASP.NET, Angular JS, Entities, Git, Geolocation, Bootstrap, HTML5

  • Defendeu (Personal Project)

    Web application for soccer players. The objective was to find goalkeepers available in their area.

    Technologies used: Integration with Google+, Facebook, AngularJS, .NET Rest API, MongoDB,
    Azure, WhatsApp integration

  • Toptal React Academy

    The Toptal React Academy is an exclusive learning program that teaches the React framework to select members of the Toptal network. After a month of study, all graduates are tasked with completing a 30-40 hour final project to build and deliver a React app from scratch.


  • Languages

    C#, C#.NET, Visual Basic 6 (VB6), Visual Basic for Applications (VBA), Visual Basic .NET (VB.NET), JavaScript, SQL, T-SQL, VB.NET, Visual Basic, PHP, PHP 5
  • Frameworks

    .NET, AngularJS, .NET Core, ASP.NET Core 2, ASP, ASP.NET, ASP.NET Web Forms, ASP.NET Web Services, Entity, Bootstrap 3, Entity Framework Core, Windows Presentation Foundation (WPF)
  • Libraries/APIs

    REST APIs, jQuery, React, Vue, Node.js
  • Tools

    Git, C#.NET WinForms, VS Code, Jira, Google Docs, xUnit, ELK (Elastic Stack), Visual Studio, TFS, SSRS, SSAS
  • Paradigms

    REST, Scrum
  • Platforms

    Xamarin, Windows, Oracle, iOS, Windows Server, Amazon Web Services (AWS), Amazon EC2, Azure
  • Storage

    SQL Server 2000, SQL Server 2008, SQL Server Analysis Services (SSAS), SQL Server 2010, MongoDB, PostgreSQL, Elasticsearch, Microsoft SQL Server, PL/SQL
  • Other

    Single Sign-on (SSO), Microsoft Data Transformation Services (now SSIS), Microsoft 365, SOAP, Remoting, OWC, AWS


  • Bachelor's Degree in Information Systems
    2016 - 2021
    Universidade Estácio de Sá - Curitiba, Brazil
  • Specialist Degree in Information Technology
    1996 - 1998
    Colégio Estadual do Paraná - Curitiba, Brazil


  • Toptal React Academy Graduate
    Toptal, LLC
  • Microsoft Certified Solution Developer
    JUNE 2002 - PRESENT
  • Microsoft Certified Professional
    MAY 2001 - PRESENT

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