Christian Hacker - Qualification Profile

Q: Where is Christian based?

Christian is based in Munich, Germany .

Q: What languages does Christian speak?

Christian speaks the following languages: German (Native), English (Advanced), Italian (Advanced) .

Q: How many years of experience does Christian have?

Christian has at least 23 years of experience. During this time, Christian has worked and for 28 different companies . The average length of individual experience is 1 year and 6 months . Note that Christian may not have shared all experience and actually has more experience.

Q: What companies has Christian worked for in recent years?

In recent years, Christian has worked for ZVEI - Central Association of the Electrical Industry , CRM for insurance agencies , Bavarian Insurance Chamber , University of Vienna , and Octapharma .

Q: Which industries is Christian most experienced in?

Christian is most experienced in industries like Information Technology , Government and Administration , and Insurance . Christian also has some experience in Manufacturing , Automotive , and Utilities .

Q: Which business areas is Christian most experienced in?

Christian is most experienced in business areas like Information Technology , Quality Assurance , and Product Development . Christian also has some experience in Business Intelligence , Accounting , and Finance .

Q: Which industries has Christian worked in recently?

Christian has recently worked in industries like Information Technology , Insurance , and Pharmaceutical .

Q: Which business areas has Christian worked in recently?

Christian has recently worked in business areas like Information Technology , Quality Assurance , and Product Development .

Q: What is Christian's education?

Christian attended education in Computer Science .

Q: Does Christian have any certificates?

Christian has 1 certificate : BizTalk Server (with certified training) .

Recommended expert

Munich, Germany

Experience

Apr 2025 - Jun 2025

3 months

Frankfurt, Germany

ZVEI - Central Association of the Electrical Industry

Further development of Excel templates for the electrical industry
Design and development of new analysis functions
Extension of Excel templates for data analysis
Use of Excel and VBA

Feb 2025 - Present

1 year 2 months

CRM for insurance agencies

Further development of existing software for insurance agencies
Design, consulting, development, and quality assurance of the application
Implementation of new features for the existing program
Migration of individual modules to .NET 9.0 and Web API
Use of .NET Core, C#, Blazor, Angular, WPF, VB.NET, SQL Server 2019 (SSRS, SSDT), Azure, Entity Framework (Core), LinqToSQL, and List & Label

Aug 2024 - Present

1 year 8 months

Germany

Bavarian Insurance Chamber

Maintenance and further development of various internal applications and databases
Migration of VBA solutions (Excel, Access) to Windows 11 and Office 365
Design and development of customizations and extensions
Use of C#, SQL Server, Entity Framework, Access, Excel, and VBA

Apr 2024 - Dec 2024

9 months

Vienna, Austria

University of Vienna

Import and management of data from various studies
Migration of the previous solution to a web application and implementation of various enhancements
Design and development of an application for managing studies
Use of C#, .NET Core, Blazor, Angular, JavaScript, SQL Server, and Entity Framework

Mar 2024 - May 2024

3 months

Frankfurt, Germany

ZVEI - Central Association of the Electrical Industry

Further development of Excel templates for the electrical industry
Design and development
Extension of templates for improved data analysis
Use of Excel and VBA

Nov 2023 - Apr 2025

1 year 6 months

Vienna, Austria

Octapharma

Data maintenance and reporting for the maintenance center
Design, development, quality assurance, and support
Modification and expansion of the reporting tool and dashboard
Creation of macros and integration with SharePoint
Error analysis in key figures and reports
Maintenance and expansion of the SQL database
Use of C#/ASP.NET Core, Blazor, Angular, Entity Framework (Core), JavaScript, SQL Server, SharePoint, and Excel

Aug 2023 - Dec 2023

5 months

Frankfurt, Germany

ZVEI - Central Association of the Electrical Industry

Further development of Excel forms for the electrical industry
Design and development
Extension of forms for data analysis
Use of Excel and VBA

Jun 2023 - Dec 2023

7 months

Germany

Bavarian Police

Collaboration on statewide software solutions for daily operations
Design, development, quality assurance, and second-level support
Further development of existing programs
Design of a modern architecture for the applications
Planning migration to .NET Core
Improvement and optimization of the SQL database
Use of C#/ASP.NET, Entity Framework, Angular, JavaScript, .NET Core, and Oracle

Mar 2023 - Apr 2023

2 months

Frankfurt, Germany

ZVEI - Central Association of the Electrical Industry

Further development of Excel forms for the electrical industry
Design and development
Extension of forms for data analysis
Use of Excel and VBA

Jan 2023 - Apr 2023

4 months

Vienna, Austria

University of Vienna

Import and management of data from various studies
Design and programming of the solution
Creation of a concept for data processing
Database design and data import
Use of Excel, VBA, C#, .NET Core, SQL Server, and Entity Framework

Jan 2023 - Mar 2023

3 months

CRM for Insurance Agencies

Further development of the existing management software for insurance agencies
Design, development, and quality assurance
Implementation of new features for the existing program
Migration of individual modules to .NET 7.0
Used VB.NET, C#, WPF, SQL Server 2019 (SSRS, SSDT), Azure, Entity Framework, LinqToSQL, .NET Core, Angular and List&Label

Jul 2022 - Dec 2022

6 months

EnBW

Contributed to the MESAP project
Design, development, and testing of functions and components based on user stories
Creation, customization, and extension of functions and components
Integration of various data sources (web services, CSV, etc.) to transform data into the MESAP system
Implementation of code and test routines within a given framework
Creation of DevOps pipelines with SonarCube integration
Monitoring of running systems
Used C#, .NET Core, XML, Scrum, Azure DevOps, MSTest, Azure Service Fabric and SonarCube

May 2022 - Oct 2022

6 months

PASM

Further development of a single-page application (SPA)
Design, development, and testing
Support for backend development in Microsoft Azure
Further development of the SQL Server database (Azure SQL)
Integration of Dynamics and SAP systems as well as Azure services
Creation of unit and integration tests
Support for requirements management
Implementation of code and test routines according to guidelines
Delivery of results in the client's source code repository (commented code)
Used C#, ASP.NET Core, Scrum, Azure DevOps, xUnit, StyleCop and Sonar

Jan 2022 - Apr 2022

4 months

dbh Logistic

Development of Microservices to connect an electronic booking system to an existing ERP system
Design, documentation, and programming
Definition of interfaces and creation of services for various requests
Integration of web pages into the ERP tool
Used C#, Microservices, Docker, WebAPI, WebView2 and Azure DevOps

Oct 2021 - Dec 2021

3 months

Frankfurt, Germany

ZVEI - Zentralverband der Elektroindustrie

Further development of Excel forms for the electrical industry
Design and development
Enhancement of Excel forms for improved data analysis
Used Excel and VBA

May 2021 - Dec 2021

8 months

CRM for Insurance Agencies

Further development of the management software for insurance agencies
Design, development, and quality assurance
Implementation of new features in the existing program
Upgrading the SQL Server to version 2019
Maintenance and administration of two network environments (Windows Server 2016, SQL Server, Windows clients)
Maintenance of an intranet based on Microsoft SharePoint 2016
Support for the management software for insurance agencies
Implementation of online claims capture
Used VB.NET, C#, WPF, SQL Server 2019 (SSRS, SSDT), Azure, Entity Framework, LinqToSQL, .NET Core, Angular, and List&Label

May 2021 - Sep 2021

5 months

Hessische Landesbank

Tasks related to Azure DevOps, SQL Server, and tools
Performing various optimization and migration tasks
Creating tasks for Azure DevOps build pipelines
Planning and executing the migration from SQL Server 2002 to SQL Server 2016
Developing various tools
Used C#, SQL Server (SSRS, SSIS), PowerScript, Azure DevOps, and CI/CD

Jan 2021 - May 2021

5 months

Vienna, Austria

University of Vienna

Designing a system for collecting and managing patient data
Creating a concept for capturing patient data, examinations, and diagnoses for analysis
Designing the application and database schema
Building a prototype as a web frontend with microservices
Used C#, .NET Core, SQL Server, and Entity Framework

Aug 2019 - Oct 2019

3 months

Frankfurt, Germany

ZVEI - German Electrical and Electronic Manufacturers' Association

Further development of Excel templates for the electrical industry
Design and development
Extending the templates for data analysis
Used Excel and VBA

Oct 2018 - May 2020

1 year 8 months

Munich, Germany

Stadtwerke München

Further development and maintenance of a middleware for controlling installation and setup processes as well as user management (Client Configuration Management, CCM)
Design, documentation, and programming
Enhancing the CCM client to fix bugs and add new features
Used C#, SQL Server 2012/2016, WCF, web services, Microsoft SCCM, Active Directory, DHCP server, Cisco 802.1x system, and OmniTracker
Further development and maintenance of an Office add-in for document management
Design, documentation, and programming
Using the add-in in all Office applications to provide forms, documents, and other media
Adapting it to Windows 10 and Office 2016
Bug fixes and adding new features
Used VSTO, C#, VB.NET, SQL Server 2012/2016, and ADODB

Oct 2018 - Apr 2019

7 months

Munich, Germany

Stadtwerke München

Analysis and documentation of a middleware for controlling installation and setup processes as well as user management (Client Configuration Management, CCM)
Documentation and development
Analysis of a Windows Server based service for administering users, permissions, clients and software installations
Description of the distribution of tasks to different servers and the callback mechanism to the administration tool
Documentation of the communication to the administration tool via SOAP/REST and the different connections to the servers (direct via API or web service)
Analysis of the source code and creation of full documentation due to missing documents
Use of C#, SQL Server 2012/2016, WCF, web services, Microsoft SCCM, Active Directory, DHCP Server, Cisco 802.1x system and OmniTracker

Jul 2018 - Nov 2018

5 months

Cham, Germany

Zollner AG

Development of various tools in the production process of the Disruptive Cloud Connector
Design and development of programs to support the production process and automatic registration of components in the cloud
Development of a labeling tool for printing labels and laser marking of components, including the generation of unique XIDs and registration in a database
Development of a test tool for registering components in the customer cloud after an automated test process and uploading the processed test reports
Development of an assembly tool to combine individual components into the product (CloudConnector) with registration in the customer cloud
Use of C#, WPF, SQL Server, Entity Framework, web services, Google Cloud services and Swagger

Mar 2018 - Jun 2018

4 months

Munich, Germany

Stadtwerke München

Further development and maintenance of an Office add-in for document management
Design and development
Use of the add-in in all Office applications to provide forms, documents and media
Adaptation for Windows 10 and Office 2016
Bug fixes and implementation of new features
Use of VSTO, C#, VB.NET and SQL Server 2012/2016

Sep 2016 - Dec 2016

4 months

Munich, Germany

TÜV Süd

Further development of the VETAS software for creating vehicle inspection reports
Programming of features for report creation, master data maintenance and synchronization with a central database
Use of C#, WPF, Prism, Unity and Oracle

Jul 2016 - Dec 2016

6 months

Frankfurt, Germany

ZVEI - Zentralverband der Elektroindustrie

Further development of Excel templates for the electrical industry
Design and programming
Extension of templates for data analysis
Use of Excel and VBA

Nov 2015 - Nov 2015

1 month

Prose GmbH

Automation of existing Excel files for in-house controlling
Programming of Excel VBA solutions
Creation and consolidation of Excel files from various areas (e.g., liquidity planning, budget planning) for analysis
Use of Excel and VBA

Sep 2015 - Sep 2015

1 month

Munich, Germany

Wealth Management Capitol Holding

Preparation of data from various databases in Excel
Design and programming
Dynamic creation of an Excel sheet as a snapshot on a specific date
Use of Excel and VBA

May 2015 - Dec 2017

2 years 8 months

Prose GmbH

Development of a tool to collect and process data from various sources and development of Excel macros
Design and development of a program to support internal company controlling
Aggregation of data from accounting, project planning, budget and liquidity planning, etc., from various sources (Excel, CSV, databases, web services) for about 20 business units in different countries
Storing the data in a database and providing various Excel reports
Enhancement and maintenance of Excel files (VBA, macro programming)
Use of C#, WPF, SQL Server 2014 (SSRS, SSDT), Entity Framework, Excel VBA, web services and Azure

Mar 2015 - Oct 2015

8 months

CRM for Insurance Agencies

Further development of the management software for insurance agencies
Design, development and quality assurance
Implementation of new features for the existing program
Use of VB.NET, C#, WPF, SQL Server 2012 and LinqToSQL

Dec 2014 - Jun 2015

7 months

Frankfurt, Germany

ZVEI - Central Association of the Electrical Industry

Enhancement of Excel templates for the electrical industry
Design and programming
Extension of the templates for data analysis
Use of Excel and VBA

Oct 2014 - May 2015

8 months

Munich, Germany

TÜV Süd

Developed the PS Explorer software for capturing and managing product expert reports
Programmed the application
Created functions for report generation, master data maintenance, and synchronization with a central database
Used C#, Windows Forms, SQL Server, and Entity Framework

Jul 2014 - Oct 2014

4 months

Munich, Germany

TÜV Süd

Contributed to the VETAS software for creating vehicle expert reports
Programmed functions for report generation
Maintained master data and synchronized with a central database
Used C#, WPF, Prism, Unity, and Oracle

May 2014 - May 2014

1 month

Frankfurt, Germany

PricewaterhouseCoopers AG

Extended the briefing mailing tool
Designed and programmed new features
Used VB.NET (.NET 4.0), WPF, SQL Server Compact 3.5, and SQL Server 2012

Mar 2014 - Oct 2014

8 months

Frankfurt, Germany

ZVEI - Zentralverband der Elektroindustrie

Further developed Excel templates for the electrical industry
Designed and programmed
Expanded the templates for data analysis
Used Excel and VBA

Nov 2013 - Dec 2013

2 months

Frankfurt, Germany

ZVEI - Zentralverband der Elektroindustrie

Further developed Excel templates for the electrical industry
Designed and programmed
Expanded the templates for data analysis
Used Excel and VBA

Aug 2013 - Oct 2013

3 months

Ingolstadt, Germany

Audi AG

Development of a tool in the SVM code project
Design and programming
Development of a program to manage software and hardware updates for infotainment systems
Implementation of the solution in Excel VBA with custom input dialogs
Import and export of data in XML format
Use of Excel, VBA, and XML

May 2013 - Jul 2013

3 months

Frankfurt, Germany

PricewaterhouseCoopers AG

Extension of the briefing mailing tool
Design and programming
Implementation of new functions
Migration from SQL Server Compact to SQL Server 2008
Use of VB.NET (.NET 4.0), WPF, SQL Server Compact 3.5, and SQL Server 2012

Mar 2013 - Jun 2013

4 months

Munich, Germany

Online Congress GmbH

Development of tools to control the Windows Media Encoder
Design and programming
Development of a multi-instance wrapper for the Windows Media Encoder
Development of a program to control this wrapper
Use of C# and Windows Media Controller

Mar 2012 - Mar 2012

1 month

Frankfurt, Germany

PricewaterhouseCoopers AG

Creation of Excel macros for reporting functions of the briefing mailing tool
Design, programming, and quality assurance
Preparation of Excel lists exported from the mailing tool using macros
Use of VB.NET and VBA

Sep 2011 - Feb 2012

6 months

Frankfurt, Germany

PricewaterhouseCoopers AG

Development of a briefing mailing tool
Design and programming
Implementation and extension of the tool with new functions
Use of VB.NET (.NET 4.0), WPF, and SQL Server Compact 3.5

Aug 2010 - Aug 2011

1 year 1 month

CRM for Insurance Agencies

Continued the redevelopment and expansion of management software for insurance agencies
Design, development, and quality assurance
Expanded features for customer, contract, appointment, and document management
Used VB.NET, C#, WPF, SQL Server 2008 and LinqToSQL

Mar 2010 - Aug 2011

1 year 6 months

PGM – Poster Gallery Munich

Development of online webshops
Design, development, and quality assurance
New development of a webshop integrated with existing systems
Used ASP.NET, C#, SQL Server 2008 and AS400 integration

Apr 2009 - Feb 2010

11 months

CRM for Insurance Agencies

New development of management software for insurance agencies
Design, development, and quality assurance
Full redevelopment of a multi-user program for managing customers, contracts, appointments, and documents (replacing an original VB solution)
Used VB.NET, C#, WPF, SQL Server 2008 and LinqToSQL

Mar 2008 - Mar 2009

1 year 1 month

Munich, Germany

Sorin Group AG

Maintenance and further development of medical software (data management software) for capturing, storing, and evaluating data from heart-lung machine surgeries
Design, programming, and quality assurance
Optimization and extension of existing software
Support of a system with client and server components; the client runs in the operating room and receives data via a serial interface directly from the heart-lung machine
Used Centura SQLWindows 2.0

Mar 2008 - Apr 2008

2 months

Sorin Group AG

Consulting for the new development of medical software
Designing a new solution alongside maintaining the existing DMS
Conducting a feasibility study for a complete redevelopment of the system

Jun 2007 - Jan 2008

8 months

Unknown (Integration Platform)

Development and configuration of an integration platform
Design and programming
Analysis and modeling of business processes
Setup of a BizTalk environment and development of required integration solutions
Use of BizTalk Server 2004/2006

Jun 2007 - Jun 2007

1 month

Unknown (Insurance Agency Network)

Planning a network infrastructure for an insurance agency
Planning and implementation of a network solution for about 15 internal and 20 external workstations
Use of SBS 2003/2008 and ISA Server 2004/2006

Sep 2006 - Feb 2008

1 year 6 months

Bonn, Germany

Gutsche GmbH VW-Entfallteiledienst

Development of a parts management software
Design, programming and quality assurance
Development of a multi-user application for managing inventory, customers, as well as ordering and billing
Use of VB.NET, C# and SQL Server 2005

Jun 2005 - Present

20 years 10 months

Johanniskirchen, Germany

WVF GmbH

Installation and setup of a firewall infrastructure
Design, implementation and ongoing maintenance of the system
Installation, configuration and maintenance of MS ISA Server 2004/2006 and Forefront TMG
Long-term support of the firewall environment

Feb 2003 - Oct 2007

4 years 9 months

Electronic Procedures for the Judiciary in Bavaria (BajTech)

Participation in the BajTech project for electronic procedures in the judiciary in Bavaria
Design, testing procedures and quality assurance
Design and implementation of the entire cost module (invoices, determination, legal aid)
Design of a new interface to the state justice treasury
Monitoring of development and testing procedures
Use of UML modeling, Innovator, Java and Oracle

CRM for insurance agencies

Further development of the administration software for insurance agencies
Design, development, and quality assurance
Implementation of new features for the existing program
Used VB.NET, C#, WPF, SQL Server 2012, and LinqToSQL

Client for a data warehouse project (Siemens-Nixdorf)

Development of a Windows client for a data warehouse project
Design and development of the client application
Connection to an Informix database via ODBC
Used VB6, C++, Informix, and ODBC

EQA – self-assessment tool for Total Quality Management

Development of the EQA program to support self-assessments in companies for Total Quality Management
Design and development
Implementation based on an Access database
Used the tool, among others, at Telekom and Siemens
Used VB5 and VBA

Electronic land registry office SolumStar

Development of an editor as a Word replacement for the electronic land registry office SolumStar
Design and programming
Implementation of a custom macro language for simple functions
Implementation of a mail merge feature
Used C++

Electronic commercial register RegisStar

Development for the electronic commercial register RegisStar
Design, development, and quality assurance
Collaboration on subprojects in the cost area and on the interface to the state justice treasury
Development of a web query client
Used VB6, C++, and Oracle

Imaging client for Debis

Development of an imaging client
Development of a client for displaying, processing, and archiving scanned documents
Use of VB6 and C++

Research client and viewer for FHG

Development of a research client and viewer
Design and development of a client for searching an Oracle database
Implementation of functionality for retrieving and post-processing archival documents
Development of a viewer for displaying image files
Use of VB6

Setup for telephone systems (Siemens Hicom)

Development of a complex setup for telephone systems
Design and development of an installation program with multiple client tools for configuring and maintaining large telephone systems
Use of InstallShield

Unknown (warehouse management for an auto parts dealer)

Development of a custom warehouse management system for an auto parts dealer
Design and development
Implementation of a solution based on Microsoft Access and VBA

Unknown (web applications)

Creation of websites and small web applications
Use of VB.NET, C#, ASP.NET, HTML, JavaScript, and CSS

Administration program for insurance agencies

Development of an administration program for insurance agencies
Design, programming, and quality assurance
Development of a multi-user application for managing clients, follow-up reminders, and contracts
Use of VB6, VBA, Access, and SQL Server

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Insurance, Government and Administration, Manufacturing, Utilities, and Automotive.

Information Technology

Insurance

Government and Administration

Manufacturing

Utilities

Automotive

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Quality Assurance, Product Development, Business Intelligence, Accounting, and Finance.

Information Technology

Quality Assurance

Product Development

Business Intelligence

Accounting

Finance

Skills

Activities: Software Development, Organization, Coordination, Quality Assurance, Testing, Documentation
Technical Focus: Cloud Solutions (Azure, Full-stack), Client/server Environment (Ooa, Ood, Oop Using Appropriate Tools With .Net On Windows)
Operating Systems: Windows, Windows Server
Programming Languages: C#, C++, Xml, .Net Core, Asp.net (Mvc), Asp.net Core, Visual Basic, Vb.net, Linq, Linqtosql, Wpf, Sql, Blazor, Razor, Angular, Html, Javascript, Css, Power Script, Vba (Access, Excel, Word), Rest, Wcf, Adodb
Frameworks: Entity Framework, Mahapps.metro, Log4net, Caliburn.micro, Prism
Other: Azure (Devops, Sql, Ci/cd, App Service, Db, Service Fabric, Microservices), Containers (Kubernetes, Docker), Ci/cd (Azure, Git)
Methods: Design Patterns, Scrum
Development Environment: Ms Visual Studio
Databases: Microsoft Sql Server (Ssis, Ssrs, Ssdt, Azure), Mysql, Cosmos Db, Nosql, Oracle, Access, Informix, Centura Sqlwindows, Mariadb
Unit Testing: Mstest, Nunit
Data Communication: Rest, Wcf, Web Api
Tools: Microsoft Azure, Sharepoint, Biztalk Server, Exchange Server, Isa Server, Forefront Tmg 2010, Sccm, Confluence, Jira
Office: Ms Office, Various Editors
Version Control: Svn, Git, Ms Tfs
Methodologies: Waterfall, V-model, Scrum

Languages

German

Native

English

Advanced

Italian

Advanced

Education

Technical college entrance qualification · Computer Science · Germany

Computer Science · Germany

Certifications & licenses

BizTalk Server (with certified training)

Statistics

Experience

Total positions 61

Experience in Information Technology 21 y

Avg length 10 m

Longest experience 20 y 9 m

Global Experience

Countries worked in 2 (Germany, Austria)

Primary country Germany

Expertise

Main industries Information Technology, Insurance, Government and Administration

Main business areas Information Technology, Quality Assurance, Product Development

Qualifications

Certifications earned 1

Profile

Created

June 2024

Last Update

February 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Christian based?

Christian is based in Munich, Germany.

What languages does Christian speak?

Christian speaks the following languages: German (Native), English (Advanced), Italian (Advanced).

How many years of experience does Christian have?

Christian has at least 23 years of experience. During this time, Christian has worked and for 28 different companies. The average length of individual experience is 1 year and 6 months. Note that Christian may not have shared all experience and actually has more experience.

What companies has Christian worked for in recent years?

In recent years, Christian has worked for ZVEI - Central Association of the Electrical Industry, CRM for insurance agencies, Bavarian Insurance Chamber, University of Vienna, and Octapharma.

Which industries is Christian most experienced in?

Christian is most experienced in industries like Information Technology, Government and Administration, and Insurance. Christian also has some experience in Manufacturing, Automotive, and Utilities.

Which business areas is Christian most experienced in?

Christian is most experienced in business areas like Information Technology, Quality Assurance, and Product Development. Christian also has some experience in Business Intelligence, Accounting, and Finance.

Which industries has Christian worked in recently?

Christian has recently worked in industries like Information Technology, Insurance, and Pharmaceutical.

Which business areas has Christian worked in recently?

Christian has recently worked in business areas like Information Technology, Quality Assurance, and Product Development.

What is Christian's education?

Christian attended education in Computer Science.

Does Christian have any certificates?

Christian has 1 certificate: BizTalk Server (with certified training).

What is the availability of Christian?

Christian is immediately available full-time for suitable projects.

What is the rate of Christian?

Christian's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.