22.09.2026 aktualisiert
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Senior Software Engineer | Lead Software Engineer | .NET Developer
Rockenberg, Deutschland
Weltweit
(Fh) Diplom. Ing. Informations- und KommunikationstechnikÜber mich
Senior Software Engineer with strong experience in C#, .NET, ASP.NET Core, EF Core, REST APIs and SQL. Experienced in software architecture, backend development, system integration and technical leadership. Focused on scalable, maintainable and high-quality software solutions.
Skills
Asp.NetJavaScript.Net FrameworkASP.NET MVCHTML5Microsoft AzureC#CSSSoftware Design PatternsDevOpsEntity FrameworkMicrosoft SQL Server Data Engine (MSDE)Software ArchitectureSoftwareentwicklungSQL
Senior C#/.NET Developer | Application Support & Operations
Erfahrener IT-Spezialist mit über 12 Jahren Erfahrung in der Entwicklung, Wartung und Betreuung von Microsoft-.NET-Unternehmensanwendungen.
Meine Schwerpunkte liegen in der C#/.NET-Entwicklung sowie im technischen Application Support und Betrieb produktiver Anwendungen.
Softwareentwicklung:
C#, .NET Framework, .NET Core, ASP.NET Core, ASP.NET MVC, REST APIs, Entity Framework, SQL Server, T-SQL, WPF und WinForms.
Application Support & Operations:
2nd-/3rd-Level Application Support
Fehleranalyse anhand von Anwendungslogs
Überwachung und Fehlerbehebung bei ASP.NET-/IIS-Anwendungen
SQL Server Troubleshooting und Reporting
Deployment, Release-Management und Wartung
Incident-Analyse und technische Problemlösung
Unterstützung beim Betrieb produktiver Unternehmensanwendungen
Tools:
Visual Studio, Microsoft IIS, SQL Server Management Studio, Azure DevOps, Git, TFS, PowerShell, Jira und Confluence.
Branchen:
Banken, öffentlicher Sektor, Industrie, ERP und Telekommunikation.
Gesuchte Projekte:
C#/.NET Development, Application Support, Application Operations, IIS Application Support, SQL Server Support, Application Maintenance und technische Anwendungsbetreuung.
Remote bevorzugt | Frankfurt/Rhein-Main nach Vereinbarung.
C#
Microsoft .NET / .NET Core
ASP.NET Core / ASP.NET
Microsoft SQL Server / T-SQL
Application Support (2nd/3rd Level)
Microsoft IIS
WPF / WinForms
REST APIs / Entity Framework
Windows Server / PowerShell
Azure DevOps / CI/CD
SCCM / MECM
Application Monitoring / Troubleshooting
Erfahrung
Berufserfahrungmehr als 10 Jahre
Freelancer seit2022
Sprachen
DeutschverhandlungssicherEnglischverhandlungssicher
Projekthistorie
* Working in new ERP source code from ECI Solutions with these
technologies .NET Framework standard- C#, JavaScript, MS SQL 2016.
* Creating a requirement specification for customers and implementing the
requirement in the ERP system.
* Creating an external to import data from different Excel files into a
database (C#, Entity Framework, MS SQL 2016).
technologies .NET Framework standard- C#, JavaScript, MS SQL 2016.
* Creating a requirement specification for customers and implementing the
requirement in the ERP system.
* Creating an external to import data from different Excel files into a
database (C#, Entity Framework, MS SQL 2016).
* Involved in agile team's projects in the Automotive industry, mainly
development of web and desktop applications for the MES system.
* .NET Core, .NET Web Forms, .NET MVC, MVC core, ASP.NET, WinForms,
WPF, WCF, Framework 3.0, 4.5, MSQL Server 2008 bis 2016
* Java Webservices, Web Applications with Spring Boot, MSSQL database,
Standalone applications and interfaces with SAP, LIMS
* Global on-site training and second Level support for the 14 Productions
plant in the world
* Server and reports, migrating from SQL Server 2008 R2 to 2016, database
* backup, scrubber, and maintenance jobs
* Creation of specifications for existing or new software components
* DevOps create a pipeline for software development & deployment
* DevOps Test Automation
* DevOps planning of Sprint Session for software development
* Transferring source code from TFS Standalone to DevOps Azure
development of web and desktop applications for the MES system.
* .NET Core, .NET Web Forms, .NET MVC, MVC core, ASP.NET, WinForms,
WPF, WCF, Framework 3.0, 4.5, MSQL Server 2008 bis 2016
* Java Webservices, Web Applications with Spring Boot, MSSQL database,
Standalone applications and interfaces with SAP, LIMS
* Global on-site training and second Level support for the 14 Productions
plant in the world
* Server and reports, migrating from SQL Server 2008 R2 to 2016, database
* backup, scrubber, and maintenance jobs
* Creation of specifications for existing or new software components
* DevOps create a pipeline for software development & deployment
* DevOps Test Automation
* DevOps planning of Sprint Session for software development
* Transferring source code from TFS Standalone to DevOps Azure
* Development of software modules for the processing of reporting data
from different municipalities.
* Development of in .NET technologies (C# and VB), MS SQL 2008 R2,
HTML5 and CSS
* Training of new function to end-users
from different municipalities.
* Development of in .NET technologies (C# and VB), MS SQL 2008 R2,
HTML5 and CSS
* Training of new function to end-users