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Markus D.

Senior Developer, Coach

Augsburg, Germany

Experience

Sep 2022 - Present
3 years
Augsburg, Germany

Senior Developer, Coach

Retail

  • Development of an app for store management
  • C#/XAML, Xamarin.Forms, MvvmCross, NUnit, Xamarin.UITest, Entity Framework Core, ASP.NET Core Web API, Azure DevOps, Visual Studio App Center
May 2022 - Aug 2022
4 months
Augsburg, Germany

Senior Developer, Coach

Logistics

  • New development of an app framework for uniform app development in the logistics environment
  • C#, .NET MAUI, Reactive, SkiaSharp, moq, XUnit, Xamarin UI Test, Confluence, Jira, Bitbucket, Jenkins
Jan 2022 - Apr 2022
4 months
Augsburg, Germany

Senior Developer, Coach

Logistics

  • New development of a web application for log file analysis and data replay
  • C#, Blazor, MudBlazor, Reactive, ASP.NET Web API, moq, XUnit, Confluence, Jira, Bitbucket, Jenkins
Feb 2020 - Dec 2021
1 year 11 months
Augsburg, Germany

Senior Developer, Coach

Logistics

  • Modernization of a leading logistics provider’s driver workplace by redeveloping a modern Android app and integrating it into existing business processes using web services
  • C#/XAML, Xamarin.Forms, Xamarin.Android, Xamarin.Forms Shell, Jenkins, Jira, Bitbucket, Swagger, Scrum
Sep 2019 - Jan 2020
5 months
Augsburg, Germany

Lead Developer

Public Transport

  • New development of a ticketing app for Android and iOS
  • C#, Xamarin.iOS, Xamarin.Android, SVN, Jira, Location Services, Activity Recognition, Background Services
Nov 2018 - Jul 2019
9 months
Augsburg, Germany

Senior Developer, Coach

Logistics

  • Modernization of a leading logistics provider’s driver workplace by redeveloping a modern Android app and integrating it into existing business processes using web services
  • C#/XAML, Xamarin.Forms, Xamarin.Android, MvvmCross, Jenkins, Jira, Bitbucket, Swagger, Scrum
Jul 2018 - Oct 2018
4 months
Augsburg, Germany

Senior Developer, Coach

IT Document Management

  • New development of a WPF app and related Office add-ins for secure management, editing and exchange of documents
  • C#/XAML, WPF, MVVM, MahApps.Metro, Zeplin, moq, Visual Studio 2017, Team Foundation Server 2017, Scrum
Apr 2017 - Jun 2017
3 months
Augsburg, Germany

Lead Developer

Industry

  • Development of an app for service technicians to manage all production-related resources and carry out maintenance tasks
  • C#/XAML, Xamarin.Forms, MvvmCross, Visual Studio 2017, TFS 2017, Scrum, App Center
Jan 2017 - Dec 2018
2 years
Augsburg, Germany

Consultant

Microsoft

  • Support for Microsoft in technical presales as a P-TSP (Partner Technology Solution Professional) focusing on Xamarin, mobile development and mobile DevOps tools (Visual Studio App Center)
Jul 2015 - Jul 2017
2 years 1 month
Augsburg, Germany

Lead Developer

Banknote Processing

  • Development of a cross-platform framework (Windows (UWP + WPF), iOS, Android) for applications in banknote processing
  • C#/XAML, WPF, Xamarin.Forms, MvvmCross, Universal Windows Platform (UWP) apps, Visual Studio 2017, Team Foundation Server 2015, Scrum
Mar 2015 - May 2015
3 months
Augsburg, Germany

Lead Developer

IT Consulting

  • Requirements analysis, design and implementation of a mobile application for consolidated access to processing tasks
  • C#, HTML5, CSS3, JavaScript, AngularJS, Apache Cordova, Ionic, Bootstrap, ASP.NET Web API, Visual Studio 2015, Azure Mobile Apps, TFS 2013, iOS, Android, Balsamiq Mockups
Jan 2015 - Mar 2015
3 months
Augsburg, Germany

Lead Developer

Healthcare

  • Development of a mobile application for iPad and Android tablets to provide secure access to key performance indicators (KPIs), including financial and personnel data for management and controlling
  • C#/XAML, Xamarin.Forms, MVVM, Syncfusion Essential Studio for Xamarin, ASP.NET Web API, Visual Studio 2013, Team Foundation Server 2012, iOS, Android
Dec 2013 - Nov 2014
1 year
Augsburg, Germany

Senior Developer

IT Document Management

  • Development of a responsive web application for secure management, editing and exchange of documents
  • Single Page Application (SPA), ASP.NET MVC 5, ASP.NET Web API 2, JavaScript, HTML5, CSS3, Knockout.js, Bootstrap, QUnit, Visual Studio 2013, Team Foundation Server 2013, Git, Scrum
Jan 2013 - Aug 2013
8 months
Augsburg, Germany

Lead Developer

IT Consulting

  • Development of a Windows 8 line of business app for recording work and performance times and assigning them to projects/orders using Microsoft Dynamics CRM as the backend system
  • C#/XAML, Windows 8/WinRT, MVVM, .NET 4.5, layered architecture, caching, user experience, Visual Studio 2012, Team Foundation Server 2012, Microsoft Dynamics CRM 2011, OData, LINQ, SQLite, Scrum
Jan 2011 - Sep 2012
1 year 9 months
Augsburg, Germany

Senior Developer

Smart Card and Security Applications

  • New development of a one-time password application
  • C#, .NET 4.0, Enterprise Library, moq, Coded UI Tests, Visual Studio 2010, Scrum
Jan 2010 - Jun 2010
6 months
Augsburg, Germany

Lead Developer

Healthcare

  • Development of a distributed practice application for a therapy center
  • C#, .NET 4.0, WPF, WCF, Entity Framework, Enterprise Library, DevComponents UI Controls, SQL Server 2008, Visual Studio 2010, Team Foundation Server 2010, LINQ
Oct 2009 - Dec 2010
1 year 3 months
Augsburg, Germany

Senior Developer

Smart Card and Security Applications

  • Further development of a TPM application with its management server
  • C#, ASP.NET 3.5 Web Forms, Coded UI Tests, Visual Studio 2008/2010, Scrum
Aug 2005 - Aug 2008
3 years 1 month
Augsburg, Germany

Enterprise Developer

Surveying

  • New development of a distributed product framework for GPS surveying applications to process real-time data
  • C#, .NET 2.0/3.5 Windows Forms, .NET Remoting, Windows Services, SQL Server 2005, XML, Enterprise Library, VS 2005 Team System, MSTest

Summary

As a freelance .NET senior software developer/architect I support my clients in the development process, architecture design, coaching measures and technical project management. I master the entire .NET development environment. My core competence is building mobile business apps with Xamarin.Forms or .NET MAUI and .NET web development with Blazor.

Languages

German
Native
English
Advanced

Education

University

Diploma in Computer Science · Computer Science

Certifications & licenses

Rezertification Xamarin Certified Mobile Developer

Xamarin Certified Mobile Developer

Microsoft 70-532 Developing Microsoft Azure Solutions Certification

SCRUM Master Training + Certification

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