Christian K. - Senior Developer, Software Architect, C#, .NET (C++, SQL)

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Erlangen, Germany

Experience

Apr 2018 - Mar 2023

5 years

Forchheim, Germany

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Siemens Healthineers CT

Design and development of components for computed tomography (CT)
Infrastructure components for computed tomography (CT)
Components for inter-process communication (WCF)
Components for analyzing inter-process communication
Skills: C#, Design Patterns, WPF, NUnit, Somaris/X, ReSharper, syngo, Scrum, WCF, .NET, software architecture
Used products: Visual Studio, ReSharper, Team Foundation Server (TFS)

Mar 2017 - Jan 2018

11 months

Forchheim, Germany

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Siemens Healthcare CT

Development of components for setting up a computed tomography system
Multimodality capability of an error escalation component
System-Check UI Test SDK
Implementations for the system-check component
Design and implementation of a component for error analysis in the context of backup & restore
Tool for automatically merging configuration files of different versions (XML)
Skills: Enterprise Architect, C#, TFS, Syngo, NUnit, Moq, Somaris/X, Windows Workflow Foundation, WF, WPF, WCF, XML, XAML, agile development, Scrum
Used products: Microsoft Visual Studio, PostSharp, ReSharper

Apr 2015 - Feb 2017

1 year 11 months

Erlangen, Germany

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Siemens Healthcare MR

Development of core and infrastructure components for magnetic resonance imaging (MRI)
Components for patient safety
Gradient Coil Stimulation Monitor for monitoring values related to patient stimulation by the gradient coils
New development in C#/WPF (UI) and C++ (business logic & wrapper)
Patient Safety Control: monitoring and visualization of patient safety components
Virtual Coils application for virtual placement of measurement coils
Porting from C++/MFC to .NET/C#/WPF with business logic parts in C++
Tools for protocol development: automatic installation of components from a TFS drop, automatic check-in of the database into TFS, support for the workflow of a maintenance iteration, tool for merging databases
Merge conflicts of a protocol developer's programs in the database can be resolved visually
Various UI and system components
Design specifications and test specifications for patient safety components
Unit & integration tests
Skills: Visual C#, .NET, C++, Scrum, .NET 4.5, .NET 4.6, Reactive Extensions (C#), Rx (C#), WPF, TFS, NUMARIS/X, architecture, design patterns, DICOM, SpecFlow, agile development
Used products: MS Visual Studio, Rational ClearQuest, Team Foundation Server, ReSharper, NUnit, Moq, NSubstitute, MS SQL Server 2014

Apr 2010 - Mar 2015

5 years

Erlangen, Germany

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Siemens Healthcare MR

Development of neuroperfusion applications for magnetic resonance imaging (MRI)
Motion correction for 3D volumes
Extensions to the processing framework
DICOM export filter for enhanced MR images
Skills: Visual C#, .NET, C++, syngo.via, architecture, design patterns
Used products: Rational ClearCase, Rational ClearQuest, Team Foundation Server, MS Visual Studio, YourKit Profiler, Rational RequisitePro, Enterprise Architect, DICOM

Aug 2008 - Apr 2009

9 months

Nuremberg, Germany

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DATEVeG

Design and implementation of a locking system for various lock matrices
Components in C# (ADO.NET) and SQL (MS SQL Server 2005)
Design and implementation of a validation system
Client- and server-side validations using a domain-specific language defined by domain experts
Extensions and customizations of a compiler/interpreter
Implementation in C# (.NET 3.5)
Skills: XML, XAML, C#, ADO.NET, SQL, .NET, .NET 3.5, compiler construction, architecture, design patterns
Used products: MS Visual Studio, MS SQL Server, Team Foundation Server, Windows

Aug 2007 - Aug 2008

1 year 1 month

Nuremberg, Germany

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DATEVeG

Design and implementation of a module for maintaining calculation-relevant item master data as part of a product master system
PC client component in MS C++ with multiple tables/tabs, implemented using the MVC (Model, View, Controller) design pattern
Host wrapper on IBM z/OS (CICS) in C++ for communication between a host-side COBOL business logic and the PC application
DB2 database modeling with Rational Rose (UML)
Skills: UML, C++, SQL, MVC
Tools used: MS Visual Studio, Rational Rose, Visual SourceSafe, IBM C++ Compiler, IBM Distributed Debugger, Omnitracker, HP Quality Center, DB/2, Windows, z/OS, CICS

Oct 2004 - May 2007

2 years 8 months

Nuremberg, Germany

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Siemens Automation & Drives (A&D)

Design and implementation of application components
Application for graphical and tabular display of technical systems and diagnostic data
Editor programming and table programming (planning and implementation)
Skills: Visual C#, .NET, XML
Tools used: Windows, Rational ClearCase, Rational Rose, Microsoft Visual Studio

Mar 2004 - Aug 2004

6 months

Erlangen, Germany

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Siemens MED MR

Redesign of user interface software components for magnetic resonance imaging scanners (Syngo MR)
Create and extend interface components
Skills: UML, COM, C++, Syngo, MFC
Tools used: Windows, Visual C++, Rational ClearCase, Rational Rose, PC-Lint, Rational Purify, Rational ClearQuest

Mar 2003 - Feb 2004

1 year

Erlangen, Germany

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Siemens MED MR

Design and implementation of a logbook analyzer with detailed analyses and evaluations
Development and implementation of a custom language for describing error patterns based on XML
Display of various evaluations as lists and formatted using XML/XSLT
Export of the evaluations to Excel, Outlook, XML, CSV (comma separated values)
Design and implementation of the user interface and the program structure
Implementation of numerous configuration options using XML files
Integration of various external tools
Skills: Visual C++, MFC, COM, UML, C++
Tools used: Windows, Rational ClearCase, Rational Rose, PC-Lint, Rational Purify, Rational ClearQuest, Altova XMLSpy

Feb 2002 - Jul 2002

6 months

Nuremberg, Germany

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DATEVeG

Design and implementation of a database cache
Various product-specific subprojects in C++
Windows programming in GG Kanzleiorganisation
Skills: Visual C++, COM, Serena PVCS
Tools used: Windows, Rational Rose, Sybase ASA

Jan 2001 - Jan 2001

1 month

Neumünster, Germany

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Sauer GmbH

One-week instructor training in Visual C++/MFC and Windows programming
Skills: Visual C++, C++
Used products: Windows, Microsoft Visual Studio

May 2000 - Dec 2001

1 year 8 months

Hamburg, Germany

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DATEVeG

Database migration from Btrieve to SQL (database transformer)
Various product-specific subprojects in C++
Windows programming
Skills: Visual C++, COM, UML
Used products: Windows, Serena PVCS, Rational Rose, Sybase ASA

Oct 1999 - Mar 2000

6 months

Bremen, Germany

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Bremer Werk für Montagesysteme

Development of a heated mirror welding system in Visual C++/MFC for HELLA KGaA Hueck & Co.
Operator and setup program with graphical display, program flow steps, logging, etc.
Skills: Visual C++, MFC, C++, architecture
Used products: Windows, Microsoft Visual Studio

Jul 1998 - Jun 1999

1 year

Bremen, Germany

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Bremer Werk für Montagesysteme

Industrial project (assembly line) for an engine manufacturer of agricultural vehicles
Control, visualization, and quality assurance system (planning and implementation)
Skills: Visual C++, SQL, MFC, ODBC, architecture
Used products: Oracle, Windows, Microsoft Visual Studio, Oracle 8

Jun 1998 - Jun 1998

1 month

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