Christian H. - IT Consultant / Developer in a Microsoft Environment

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Munich, Germany

Experience

Apr 2025 - Apr 2025

1 month

Frankfurt, Germany

Further Development of Excel Forms

ZVEI - Zentralverband der Elektroindustrie

Design and development
Extended Excel forms to analyze data for the electrical industry
Technology: Excel, VBA

Feb 2025 - Feb 2025

1 month

Software Enhancement

CRM for Insurance Agencies

Design, consulting, development, quality assurance
New features for the existing application
Migration of individual modules to .NET 9.0
Technology: .NET Core, C#, Blazor, WPF, VB.NET, SQL Server 2019 (SSRS, SSDT), Azure, EF, LinqToSQL, List&Label

Aug 2024 - Aug 2024

1 month

Maintenance and Further Development of Various Internal Applications and Databases. Migration of VBA (Excel, Access) to Windows

Bayrische Versicherungskammer

Design and development
Technology: C#, SQL Server, Entity Framework, Access, Excel, VBA

Apr 2024 - Dec 2024

9 months

Vienna, Austria

Import and Management of Data from Various Studies, Migration to a Web App, Various Extensions

Uni Wien

Design and development
Development of an application to manage studies
Technology: C#, .NET Core, Blazor, JavaScript, SQL Server, Entity Framework

Mar 2024 - May 2024

3 months

Frankfurt, Germany

Further Development of Excel Forms

ZVEI - Zentralverband der Elektroindustrie

Design and development
Extended Excel forms to analyze data for the electrical industry
Technology: Excel, VBA

Nov 2023 - Apr 2025

1 year 6 months

Vienna, Austria

Data Maintenance and Reporting for the Maintenance Center

Octapharma

Design, development, quality assurance, support
Modification and expansion of the reporting tool and dashboard
Creation of macros and integration with SharePoint
Error detection in metrics and reports
Maintenance and expansion of the SQL database
Technology: C#/ASP.Net Core, Blazor, EF, JavaScript, SQL Server, SharePoint, Excel

Aug 2023 - Dec 2023

5 months

Frankfurt, Germany

Enhancement of Excel forms

ZVEI - Zentralverband der Elektroindustrie

Design, development
Enhancement of Excel forms for data analysis in the electrical industry
Technology: Excel, VBA

Jun 2023 - Dec 2023

7 months

Germany

Statewide software solutions for daily operations

Polizei Bayern

Design, development, quality assurance, second level support
Further development of existing programs
Design of a modern architecture
Planning the migration to .NET Core
Improvement of the SQL database
Technology: C#/ASP.Net, EF, JavaScript, .NET Core, Oracle

Mar 2023 - Apr 2023

2 months

Frankfurt, Germany

Enhancement of Excel forms

ZVEI - Zentralverband der Elektroindustrie

Design, development
Enhancement of Excel forms for data analysis in the electrical industry
Technology: Excel, VBA

Jan 2023 - Apr 2023

4 months

Vienna, Austria

Import and management of data from various studies

Uni Wien

Design, programming
Creating a concept
Database design
Data import
Technology: Excel, VBA, C#, .NET Core, SQL Server, Entity Framework

Jan 2023 - Mar 2023

3 months

Software Enhancement

CRM for Insurance Agencies

Concept, development, and quality assurance
New features for the existing program
Migration of individual modules to .NET 7.0
Technology: VB.NET, C#, WPF, SQL Server 2019 (SSRS, SSDT), Azure, EF, LINQ to SQL, .NET Core, Angular, List & Label

Jul 2022 - Dec 2022

6 months

MESAP

EnBW

Concept, programming, testing
Creation, adjustment, or extension of functions or components for the "Mesap" project according to user story requirements.
Connecting various data sources (web services, CSV, etc.) to transform data into the Mesap system.
Writing the required source code and test routines according to the framework guidelines.
Creating DevOps pipelines with the integration of SonarCube
Monitoring of running systems
Technology: C#, .NET Core, XML, Scrum, DevOps, MSTest, XML, Azure Service Fabric, SonarCube

May 2022 - Oct 2022

6 months

SPA Enhancement

PASM

Concept, programming, testing
Support of backend development in MS Azure.
Enhancement of the SQL Server database (Azure SQL).
Integration of Dynamics and SAP systems and Azure services.
Creating unit and integration tests.
Support of requirements management.
Writing the required source code and test routines according to the framework guidelines.
Delivering the results to the version control provided by the end client (commented source code)
Technology: C#, ASP.NET Core, Scrum, DevOps, XUnit, StyleCop, Sonar

Jan 2022 - Apr 2022

4 months

Development of microservices for integrating an electronic booking system with an existing ERP system

dbh Logistic

Concept, documentation, programming
Defining interfaces, creating services for various requests. Embedding web pages into the ERP tool
Technology: C#, Microservice, Docker, Web API, WebView2, DevOps

Oct 2021 - Dec 2021

3 months

Frankfurt, Germany

Enhancement of Excel forms

ZVEI - Central Association of the Electrical Industry

Concept, development
Extension of Excel forms to analyze data for the electrical industry
Technology: Excel, VBA

May 2021 - Dec 2021

8 months

Software Enhancement

CRM for Insurance Agencies

Concept, development, quality assurance
New features for the existing program
Migration of SQL Server to version 2019
Support and administration of two network environments (Windows Server 2016, SQL Server, Windows clients)
Maintenance of an intranet based on MS SharePoint 2016
Support of management software for insurance agencies
Online claim recording
Technology: VB.Net, C#, WPF, SQL Server 2019 (SSRS, SSDT), Azure, EF, LinqToSQL, .Net Core, Angular, List & Label

May 2021 - Sep 2021

5 months

Azure DevOps, SQL Server, Tools

Hessian State Bank

Various tasks for optimization and migration
Creating tasks for the Azure DevOps build pipeline and
Planning and execution of the migration from SQL Server 2002 to 2016
Programming various tools
Technology: C#, SQL Server (SSRS, SSIS), PowerScript, Azure DevOps, CI/CD

Jan 2021 - May 2021

5 months

Vienna, Austria

Design / Capture and Management of Patient Data

University of Vienna

Conceptual design
Creating a concept for capturing patient data, examinations and diagnoses for analysis
Application and database design
Developing a prototype as a web frontend with microservices
Technology: C#, .Net Core, SQL Server, Entity Framework

Aug 2019 - Oct 2019

3 months

Frankfurt, Germany

Further Development of Excel Forms

ZVEI - Central Association of the Electrical Industry

Concept and development
Extending Excel forms to analyze data for the electrical industry
Technology: Excel, VBA

Oct 2018 - May 2020

1 year 8 months

Munich, Germany

Enhancement and Maintenance of Middleware for Controlling Installation and Setup Processes and User Management

Munich Public Utilities

Concept, documentation, programming
Enhancing the CCM client by fixing bugs and adding new features
Technology: C#, SQL Server 2012/2016, WCF, Web Service, Microsoft SCCM, Active Directory, DHCP Server, Cisco 802.1x system, OmniTracker

Oct 2018 - May 2020

1 year 8 months

Munich, Germany

Enhancement and maintenance of an Office add-in for document management

Stadtwerke München

Design, documentation, programming
The add-in is used for every Office application at SWM and provides forms, documents and other media.
An update to Windows 10 and Office 2016 was required, along with bug fixes and new features.
Technology: VSTO, C#, VB.NET, SQL Server 2012/2016, ADODB

Oct 2018 - Apr 2019

7 months

Munich, Germany

Analysis and documentation of middleware for managing installation and setup processes and user management

Stadtwerke München

Documentation, development
The CCM is a service that runs on a Windows Server. It accepts commands for administering users, permissions, clients, and software installations and distributes the tasks to different servers. After executing the commands, it sends a callback to the administration tool. Communication with the administration tool is done via SOAP/REST; communication to the individual servers varies: either directly through an API or via web service. As there was no documentation, the source code had to be analyzed and documented.
Technology: C#, SQL Server 2012/2016, WCF, Web Service, Microsoft SCCM, Active Directory, DHCP Server, Cisco 802.1x system, OmniTracker

Jul 2018 - Nov 2018

5 months

Cham, Germany

Various tools in the production process of the Disruptive Cloud Connector

Zollner AG

Design, development
New development of various programs to support the production process and automatic registration of components in the cloud.
Labeling tool: tool for printing labels and laser printing components. Each print generates unique XIDs that are registered in a database.
Test tool: after the automated testing process of the electronic components, the components are registered in the client's cloud and the processed test logs are uploaded to the cloud.
Assembly tool: during assembly, the individual components are assembled into the product (CloudConnector) and registered in the client's cloud.
Technology: C#, WPF, SQL Server, Entity Framework, Web Services, Google Cloud services, Swagger

Mar 2018 - Jun 2018

4 months

Munich, Germany

Enhancement and maintenance of an Office add-in for document management

Stadtwerke München

Design, development
The add-in is used in every Office application at SWM and provides forms, documents, and other media.
An update for Windows 10 and Office 2016 was required, along with bug fixes and new features.
Technology: VSTO, C#, VB.NET, SQL Server 2012/2016

Sep 2016 - Dec 2016

4 months

VETAS software for creating vehicle appraisal reports

TÜV Süd

Programming
Software for creating vehicle appraisal reports, maintaining master data and synchronizing with a central database.
Technology: C#, WPF, Prism, Unity, Oracle

Jul 2016 - Dec 2016

6 months

Frankfurt, Germany

Enhancement of Excel forms

ZVEI - German Electrical and Electronic Manufacturers' Association

Design and programming
Expansion of Excel forms for data analysis in the electrical industry
Technology: Excel, VBA

Nov 2015 - Nov 2015

1 month

Munich, Germany

Automation of existing Excel files for internal controlling

Prose GmbH

Programming
Creation, merging and analysis of various Excel files for controlling (e.g., liquidity planning, budget planning) from different parts of the company
Technology: Excel, VBA

Sep 2015 - Sep 2015

1 month

Munich, Germany

Preparing data from various databases in Excel

Wealth Management Capitol Holding

Design and programming
Preparing data from different databases and dynamically creating an Excel sheet as a snapshot at a specific date
Technology: Excel, VBA

May 2015 - Dec 2017

2 years 8 months

Munich, Germany

Tool for collecting and processing data from various sources, Excel macro development

Prose GmbH

Design and development
Developed a new program to support internal controlling. Data from accounting, project planning, budget planning, liquidity planning, etc., were collected from various sources (Excel, CSV, databases, web services) for around 20 business units in different countries, stored in the database, and output to various Excel reports
Further development and maintenance of Excel files (VBA, macro programming)
Technology: C#, WPF, SQL Server 2014 (SSRS, SSDT), Entity Framework, Excel-VBA, Web Services, Azure

Apr 2015 - Feb 2013

-3 years -1 months

Software enhancement

CRM for insurance agencies

Design, development, quality assurance
New features for the existing application
Technology: VB.Net, C#, WPF, SQL Server 2012, LinqToSQL

Mar 2015 - Oct 2015

8 months

Software enhancement

CRM for insurance agencies

Design, development, quality assurance
New features for the existing application
Technology: VB.Net, C#, WPF, SQL Server 2012, LinqToSQL

Dec 2014 - Jun 2015

7 months

Frankfurt, Germany

Enhancement of Excel forms

ZVEI - German Electrical and Electronic Manufacturers' Association

Design, programming
Extension of Excel worksheets to evaluate data for the electrical industry
Technology: Excel, VBA

Oct 2014 - May 2015

8 months

PS Explorer: Software for capturing and managing product reports

TÜV Süd

Programming
Software for creating vehicle appraisal reports, maintaining master data, and synchronizing with the central database
Technology: C#, Windows Forms, SQL Server, Entity Framework

Jul 2014 - Oct 2014

4 months

VETAS: Software for creating vehicle appraisal reports

TÜV Süd

Programming
Software for creating vehicle appraisal reports, maintaining master data, and synchronizing with the central database
Technology: C#, WPF, Prism, Unity, Oracle

May 2014 - May 2014

1 month

Frankfurt, Germany

Enhancement of the briefing mailing tool

PWC - PricewaterhouseCoopers AG

Design, programming
Extension of the tool with new features
Technology: VB.Net (.Net 4.0), WPF, SQL Server Compact 3.5, SQL Server 2012

Mar 2014 - Oct 2014

8 months

Frankfurt, Germany

Enhancement of Excel forms

ZVEI - German Electrical and Electronic Manufacturers' Association

Design, programming
Expanded Excel forms for data analysis in the electrical industry
Technology: Excel, VBA

Nov 2013 - Dec 2013

2 months

Frankfurt, Germany

Enhancement of Excel forms

ZVEI - German Electrical and Electronic Manufacturers'Association

Design, programming
Expanded Excel forms for data analysis in the electrical industry
Technology: Excel, VBA

Aug 2013 - Oct 2013

3 months

Ingolstadt, Germany

Development of a tool in the SVM codes project

Audi AG

Design, programming
Program to manage software and hardware updates for Audi AG's infotainment system. Developed in Excel VBA with custom input dialogs. XML import and export
Technology: Excel, VBA, XML

May 2013 - Jul 2013

3 months

Frankfurt, Germany

Enhancement of the briefing mailing tool

PWC - PricewaterhouseCoopers AG

Design, programming
Added new features to the tool.
Migrated from SQL Server Compact to SQL Server 2008
Technology: VB.Net (.NET 4.0), WPF, SQL Server Compact 3.5, SQL Server 2012

Mar 2013 - Jun 2013

4 months

Munich, Germany

Development of tools to control Windows Media Encoder

Online Congress GmbH

Design, programming
Developed a multi-instance wrapper for Windows Media Encoder and a program to control the wrapper
Technology: C#, Windows Media Controller

Mar 2012 - Mar 2012

1 month

Frankfurt, Germany

Excel macros for reporting functions in the briefing mailing tool

PWC - PricewaterhouseCoopers AG

Design, programming, quality assurance
Excel lists are generated from the mailing tool and then processed using macros.
Technology: VB.Net, VBA

Sep 2011 - Feb 2012

6 months

Frankfurt, Germany

Development of a briefing mailing tool

PWC - PricewaterhouseCoopers AG

Design, programming
Extended the tool with new features.
Technology: VB.Net (.Net 4.0), WPF, SQL Server Compact 3.5

Aug 2010 - Aug 2011

1 year 1 month

New development of management software for insurance agencies

CRM for insurance agencies

Design, development, quality assurance
Complete redevelopment of the original VB-based multi-user application for managing customers, contracts, appointments, and documents.
Technology: VB.Net, C#, WPF, SQL Server 2008, LinqToSQL

Mar 2010 - Aug 2011

1 year 6 months

Munich, Germany

Online webshops

PGM – Poster Gallery Munich

Design, development, quality assurance
New development of a webshop.
Technology: ASP.NET, C#, SQL Server 2008, integration with AS400.

Apr 2009 - Feb 2010

11 months

New development of management software for insurance agencies

CRM for insurance agencies

Design, development, quality assurance
Complete redevelopment of the original VB-based multi-user application for managing customers, contracts, appointments, and documents.
Technology: VB.Net, C#, WPF, SQL Server 2008, LinqToSQL

Mar 2008 - Mar 2009

1 year 1 month

Munich, Germany

Further development and maintenance of medical software

Sorin Group AG

Design, programming, quality assurance
Optimizing and extending an existing DMS (data management software) for collecting, storing, and analyzing data generated during surgery with a heart-lung machine. The software has a client and a server component. The client runs directly in the operating room and receives data directly from a heart-lung machine via a serial interface.
Technology: Centura SQLWindows version 2.0

Mar 2008 - Apr 2008

2 months

Munich, Germany

Consulting on new medical software development

Sorin Group AG

Design
Alongside maintaining the DMS, a feasibility study for a complete redevelopment was initiated.

Jun 2007 - Jan 2008

8 months

Development and configuration of an integration platform

Design, programming
Analysis and modeling of business processes, setup of a BizTalk environment, and development
Technology: BizTalk 2004/2006

Jun 2007 - Jun 2007

1 month

Planning of a network infrastructure

Planning, execution
Planned and set up a network environment for about 15 internal and 20 external workstations for an insurance agency.
Technology: SBS 2003/2008, ISA 2004/2006

Sep 2006 - Feb 2008

1 year 6 months

Bonn, Germany

Parts management

Gutsche GmbH VW-Entfallteiledienst

Design, programming, quality assurance
Multi-user application to manage inventory, customers, orders, and billing.
Technology: VB.Net, C#, SQL Server 2005.

Jun 2005 - May 2025

20 years

Johanniskirchen, Germany

Installation and setup of a firewall

WVF GmbH

Design, execution, and support
Installing, configuring, and supporting the firewall
(ongoing system maintenance)
Technology: MS ISA Server 2004/2006, Forefront TMG

Feb 2003 - Oct 2007

4 years 9 months

Electronic procedures for the judiciary in Bavaria (BajTech)

Design, testing procedures, quality assurance
BajTech was developed by Siemens SBS. My task was to design the complete cost module for invoicing, assessments, legal aid, and a new interface to the state treasury, and to oversee development and testing.
(with interruptions)
Technology: UML modeling, Innovator, Java, Oracle

EQA - a program to support self-assessments in companies for Total Quality Management

Design and development
Based on an Access database. The tool is used by, among others, Telekom and Siemens.
Project scope: 10 person-months
Technology: VB 5, VBA

Electronic land registry office SolumStar

Design and programming
For SolumStar, an editor was developed to replace Word. It has its own macro language for simple functions and a mail merge feature.
Project scope: 6 person-months
Technology: C++

Development of websites and small web applications

Technology: VB.Net, C#, ASP.Net, HTML, JavaScript, CSS

Inventory Management

Design and development
A custom inventory management system for an auto parts dealer.
Project scope: 5 man-months
Technology: Access, VBA

Administration Program for Insurance Agencies

Design, programming, quality assurance
In-house development. A multi-user program to manage customers, reminders, and contracts.
Project scope: 24 man-months
Technology: VB 6, VBA, Access, SQL Server

Imaging Client

Debis

Development
A client for displaying, editing, and archiving scanned documents.
Project scope: 9 man-months
Technology: VB 6, C++

Research Client and Viewer

FHG

Design and development
A client for searching. Searches are performed in an Oracle database. The requested document is retrieved from an archive and can be edited. The viewer is used for displaying image files.
Project scope: 6 man-months
Technology: VB 6

Setup for Telephone Systems

Siemens Hicom

Design and development
Complex setup with multiple client tools for configuring and maintaining large telephone systems for Siemens Hicom.
Project scope: 3 man-months
Technology: InstallShield