Bernhard Höhn - C#/.NET Application Developer, Munich

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Stadtsteinach, Germany

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Experience

Jun 2025 - Jun 2025

1 month

Heilbronn, Germany

Conversion of external Excel and CSV delivery point lists for internal database interface, architecture

Stadtwerke Heilbronn

Conversion of external Excel and CSV delivery point lists for the internal database interface.
Stadtwerke receives delivery point lists from external service providers in Excel or as CSV files. These lists are not interface-compliant and must be converted for import into the database. Using Excel, the relevant data from the service providers for electricity and/or gas is prepared accordingly.
Extension of the program with new features.
Excel programming using VBA.
Operating system: Windows 2010.
Software: Excel, VBA.

Jan 2025 - Jun 2025

6 months

Meinhard, Germany

Further development of the Coinbook, Coinbook-Open, Coinbook-Admin programs and the internal customer management website and

Coinbook-Verlag

Maintenance of the programs, new functions, development of a web scraper.
Support.
Operating system: Windows 2010 / 2011.
Software: C#.net, net 4.8, WPF, WinForms, FTP, Syncfusion.
Tools: Visual Studio 2022, Git, Jira, Confluence, Filezilla, XML, Json.
Databases: LiteDB.

Dec 2024 - Dec 2024

1 month

Heilbronn, Germany

Conversion of external Excel and CSV delivery point lists for internal database interface, architecture

Stadtwerke Heilbronn

Conversion of external Excel and CSV delivery point lists for the internal database interface.
Stadtwerke receives delivery point lists from external service providers in Excel or as CSV files. These lists are not interface-compliant and must be converted for import into the database. Using Excel, the relevant data from the service providers for electricity and/or gas is prepared accordingly.
Excel programming using VBA.
Operating system: Windows 2010.
Software: Excel, VBA.

Jun 2024 - Jul 2024

2 months

Bayreuth, Germany

Development, architecture

Breitzmann Edelmetalle Gmbh & Co. Kg

Breitzmann publishes a newspaper by subscription for its customers. An address management system with subscription management, direct debit collection, and automatic delivery as a PDF and printed medium was developed for this purpose.
Operating system: Windows 2010.
Programming environment: C#.net,.WinForms, LiteDB.
Tools: Visual Studio 2022, Git.
Databases: LiteDB.

May 2024 - Nov 2024

7 months

Meinhard, Germany

Further development of the Coinbook, Coinbook-Open, Coinbook-Admin programs and the internal customer management website and

Coinbook-Verlag

Operating system: Windows 2010.
Software: C#.net, net 4.8, WPF, WinForms, FTP, Syncfusion.
Tools: Visual Studio 2022, Git, Jira, Confluence, Filezilla, XML, Json.
Databases: MS SQL Server, LiteDB.

Jun 2021 - Apr 2024

2 years 11 months

Wadern, Germany

Second Level Support, Development, Data Analysis, Architecture, Requirements Analysis

Unimed GmbH

Unimed GmbH is a billing service for clinics and private doctors.
Maintenance of programs under VB6, C# and TSQL, as well as troubleshooting, implementation of new functionalities, new developments and improvements to programs.
Programming of software for transferring invoices, customer master data, etc. to Datev.
Operating system: Windows 2010.
Software: C#.net,.WinForms,SQL, VB6, Access, TSQL, XML, PLSQL.
Tools: Visual Studio 2015, 2019, 2022, Git, Jira, Confluence, VB6-Studio.
Databases: MS SQL Server, MS-Access.
Method: ETL.

Mar 2021 - Jun 2021

4 months

Adaptation for accessibility

MATERNA GmbH

EVA and Zolldesk are existing administrative programs of the customs authority and had to be adapted for accessibility.
Operating system: Windows 2010.
Software: C#.net,.net 4.6.1.net 4.8, WPF, WinForms.
Tools: Unit-Test, Visual Studio 2019, NDVA Screenreader.

Sep 2020 - Mar 2021

7 months

Lübeck, Germany

Control of cameras with liquid lenses for monitoring laser welding

SLM-Solution

SLM-Solution is the world's leading manufacturer of industrial 3D printers using laser welding processes.
Control of cameras and the associated liquid lens in the build chamber, which monitor the production process.
Operating system: Windows 2010.
Software: C#.net,.WinForms.

Jun 2020 - Jun 2020

1 month

Kulmbach, Germany

Migration to .net 4.7.2

Malzfabrik Johann Zeitler

Customer, supplier and item management.
Warehouse management, quality billing, supplier billing.
Delivery notes for incoming and outgoing goods, individual invoices, credit notes.
Various sales statistics, check and bill of exchange management, technical analysis, appointment calendar.
All printouts can be exported to Word, Excel and PDF. Creation of Word templates.
Operating system: Windows 2010.
Software: C#.net,.net 4.7.2, PostSharp, Log4Net, Syncfusion, Okii-Dialoge, Json, Linq, WinForms, XML.
Tools: Git.
Database: MS SQL Server.

Apr 2020 - Jun 2020

3 months

Meinhard, Germany

Migration to .net 4.7.2 and LiteDB database, architecture, requirements analysis

Coinbook-Verlag

Due to ongoing problems with Access caused by Microsoft updates, as well as the Access database reaching its size limit, Coinbook was migrated to a new database.
As part of the migration, the program's performance and user interface were improved, and the program code was refactored.
Operating system: Windows 2010.
Software: C#.net,.net 4.7.2, PostSharp, Log4Net, Syncfusion, Okii-Dialoge, Json, Linq, Rhino.Lizensing, CSharpzip, WinForms, FluentFTP, Paypal-Api, Json, XML.
Tools: Git.
Database: LiteDB/ MS SQL Server.

Dec 2019 - Mar 2020

4 months

Wertheim am Main, Germany

Development in C#, WPF MVVM, VB.NET

Ersa GmbH

Programming the UI (VB.NET) for soldering robots as well as backend development (.net Core 3.0) for these devices.
Processing and visualization of machine data.
Operating system: Windows 10.
Software: C#, WPF, MVVM, Visual Studio 2019, Git, MEF, CRF, HaiNa, Net Core 3.0, Unit Tests, Json, XML, .net 4.8, Win-Forms, VB.Net.
Tools: Git under DevOps.

Apr 2019 - Nov 2019

8 months

Fürth, Germany

Development in C# in the world's largest C# project

Siemens

SIMATIC WinCC Unified is a completely new visualization system for the challenges of digitalization in mechanical and plant engineering.
Proven engineering in the Totally Integrated Automation Portal (TIA Portal).
The new SIMATIC HMI Unified Comfort Panels and SIMATIC IPCs allow the performance of WinCC Unified to be used to its full potential.
Creation and daily execution of UI tests and unit tests.
Operating system: Windows 10.
Software: C#, WinForms, Visual Studio 2017, TASuite, Tiflib, Unit-Test, XML.
Tools: Git.

Jul 2017 - Sep 2017

3 months

Heilbronn, Germany

Preparing offers to win back customers after cancellation

Stadtwerke Heilbronn

Excel is launched from an Oracle database with a record ID. Excel then uses this ID to retrieve the corresponding customer data for electricity and/or gas.
This data is processed accordingly with Excel and then inserted into pre-prepared text modules and Word templates in Word.
Excel controls all formatting and compilation in Word, as well as the printing of offers and contracts when the offers are accepted.
Excel and Word programming using VBA, creation of Word templates.
Operating system: Windows 2010.
Software: Excel, Word, VBA.

Feb 2017 - Mar 2019

2 years 2 months

Luxembourg

New development of various modules, migration from VB6 to C#, architecture, requirements analysis

DWS (Deutsche Bank) Luxemburg

The software package manages the assets and investments of DWS customers and is developed and maintained by an international team.
Migration of program components from VB6 to C#.
Creation of a new module for issuing and managing gift cards in the back office.
Backend programming for the web development of the gift card customer module.
Migration and enhancement (WYSISWYG) of the administration of serial and individual letters using text modules, manual entries and automatically inserted data.
Creation of Word templates and programming of a dedicated template management system in C#.
Partial use of the Telerik framework.
Operating system: Windows 7.
Software: C#, WinForms, net 3.5 - .net 4.6, Telerik, Json, XML, Word.
Tools: Git with Bitbucket.
Database: MS SQL Server.
Methods: ETL.

Oct 2016 - Dec 2016

3 months

Nuremberg, Germany

Development, architecture, requirements analysis

Federal Office for Migration and Refugees

Creation of software for rule-based decision issuance for asylum seekers in order to reduce manual errors.
Decisions are issued at many branch offices throughout Germany.
Operating system: Windows 7.
Software: C# WPF, Prism, .net Framework 4.6, Nhibernate, Webservice.
Database: Oracle.

Sep 2015 - Sep 2016

1 year 1 month

Aurich, Germany

Complete programming, architecture, requirements analysis

Enercon

BladedSC is a program that controls the distribution of complex structural stability calculations for wind turbines across independent servers.
Server program: Runs on each server, retrieves time series from the database, performs calculations, and writes progress and results back.
Client: User interface for adding, monitoring, and controlling projects, as well as monitoring and parameterizing the servers.
Verification program: Checks each project against specific criteria after creation before transferring it to the servers.
Operating system: Windows 7.
Software: C#.net, WPF MVVM for the client, .net 4.5, PostSharp, XML.
Database: MongoDB.

Jun 2015 - Dec 2019

4 years 7 months

Meinhard, Germany

Complete architecture, requirements analysis, programming, maintenance

Coinbook-Verlag

Development of a digital coin catalog for coin collectors.
Recording of collecting areas, coins, images, and all relevant data.
Management of Coinbook customers with licenses for the program and collection modules.
Invoicing and contact management.
Various customer letters using Word automation and Word templates.
Creation of Word templates.
Operating system: Windows 7.
Software: C#.net, net 3.5, .net 4.5, ItextSharp, PostSharp, Log4Net, Syncfusion, Word, Excel, WinForms, XML.
Tools: Mercurial.
Databases: MS-Access, MS SQL Server.

Jun 2015 - Jun 2015

1 month

Berlin, Germany

Complete programming

Der Wohnungsauflöser

Management of bidders, consignors, and items for auctions.
Recording successful bids on the tablet.
Preparing invoices for bidders and settlements for consignors.
Sales statistics.
Operating system: Windows 7.
Software: C#.net, .net 4.5, ItextSharp, PostSharp, Log4Net, WinForms.
Database: MS SQL Server.

Nov 2014 - Nov 2014

1 month

Münster, Germany

Complete programming, architecture, requirements analysis

EHW

Transfer of trades and orders from the Trayport trading system for gas and electricity trading by accessing the Trayport server.
Provision of the data in CSV files.
Operating system: Windows 7.
Software: C#.net, .net 3.5, ItextSharp, PostSharp, Log4Net, WinForms, XML.

Aug 2014 - Aug 2014

1 month

Switzerland

Migration of an Access solution from Access 95 to Access 2010

Bösch-Computer

Management of interpreters and translators.
Customer management.
Invoicing.
Operating system: Windows 7.
Software: Access 2010, VBA.
Database: Access 2010.

Jul 2014 - Jul 2014

1 month

Nuremberg, Germany

Complete programming

Muteba

Management of interpreters and translators.
Customer management.
Invoice creation.
Operating system: Windows 7.
Software: C#.NET, .net 3.5, ItextSharp, PostSharp, Log4Net, XML.
Database: MS SQL Server.

Jun 2014 - Jul 2014

2 months

Münster, Germany

Complete programming, architecture, requirements analysis

EHW

Daily determination of gas purchase and sales prices for Dayahead, BOM, subsequent months, subsequent quarters, Seasons.
Spread matrix.
Operating system: Windows 7.
Software: Excel, VBA.

Jun 2014 - Jun 2014

1 month

Berlin, Germany

Complete programming

Bestwert

Management of apartment properties with floor plans.
Financing calculation.
Operating system: Windows 7.
Software: C#.NET, Excel, VBA, ItextSharp, PostSharp, Log4Net, XML.
Database: MS SQL Server.

Mar 2014 - Mar 2014

1 month

Munich, Germany

Complete programming

Fa. Himmel

Assignment of dubbing actors to different episodes.
Calculation of speaking times for individual scenes, episodes and dubbing actors.
Operating system: Windows 7.
Software: Excel, VBA.

Jan 2014 - Jan 2014

1 month

Münster, Germany

Complete programming, architecture, requirements analysis

EHW

Tranche fixing and storage of gas purchases.
Operating system: Windows 7.
Software: C#.net, Excel, .net 3.5, ItextSharp, PostSharp, Log4Net.
Database: MS SQL Server.

Oct 2013 - Oct 2013

1 month

Hockenheim, Germany

Complete programming

Dr. Straub

Invoice program in Word, including the creation of Word templates.
Inventory management and income-surplus accounting in Excel.
Automation of inventory management and income-surplus accounting from Word.
Operating system: Windows 7.
Software: Excel, VBA.

Oct 2013 - Oct 2013

1 month

Berlin, Germany

Complete programming

Samonig AG

Management of apartments with floor plans and apartment overviews.
Sample calculation of financing costs, monthly burden and tax savings.
Operating system: Windows 7.
Software: Excel, VBA.

Aug 2013 - Aug 2013

1 month

Programming

Aktivhotel Wernigerode

Management of articles, suppliers and prices.
Ordering and inventory management.
Importing and assigning price lists from Excel; exporting price lists to Excel.
Operating system: Windows 7.
Software: Access, Excel, VBA.

Jun 2013 - Mar 2015

1 year 10 months

Holzwickede, Germany

Change management workflow creation, architecture, requirements analysis

Rhenus Access & Services

Creation of change management with Matrix42.
Creation of workflows with varying levels of complexity (from linear workflows to branching approvals).
Creation of various reports.
Operating system: Windows XP/ Windows 7.
Software: Matrix42, Microsoft Workflow-Foundation, Microsoft Report-Builder, SQL Server Reporting Services, VB.net, XML.
Database: MS SQL Server.

Apr 2013 - Apr 2013

1 month

Programming, form design, database design, operations

Fa. Rhoden Frankenthal

Customer management for sales representatives.
Article management.
Revenue management.
Interface to the main program.
Operating system: Windows XP, Windows 7.
Software: Access, VBA.
Database: Access.

Apr 2013 - Apr 2013

1 month

Programming, form design, database design, operations

various

Construction site monitoring: recording defects and to-dos related to subcontractors.
Recording defect rectification.
Graphical display of defect rectification by month to monitor reliability.
Statistics with various filters (date, subcontractor, component, type of defect).
Operating system: Windows XP, Windows 7.
Software: Excel, VBA.
Database: Excel.

Oct 2012 - Oct 2012

1 month

Programming, form design, database design, operations

Herr Edelmann

Invoicing program including customer management and product management.
Create delivery notes/invoices.
Operating system: Windows XP, Windows 7.
Software: Excel, VBA.
Database: Excel.

Sep 2012 - Present

14 years 3 months

Munich, Germany

Programming, form design, database design, operations

Mr. Pizza München

Customer management and product management.
Create delivery notes/invoices.
Creation of Word templates.
Operating system: Windows XP, Windows 7.
Software: Excel, VBA.
Database: Excel.

May 2012 - Jun 2025

13 years 2 months

Design, database design, programming, project management

shooting clubs

Shooting results evaluation for shooting clubs; migration from VB6 to C#.NET, WPF.
Processing and evaluation of shooting festivals.
Management of shooters, classes, clubs, and targets.
Scoring for air rifle, air pistol, small-caliber rifle, and muzzleloaders.
Manual entry of results and transfer of results from DISAG.
Prize distribution, entry fees, additional purchases, various statistics.
Export to Word, Excel, PDF.
Operating system: Windows XP/ Windows 7.
Software: C#.NET, ITextSharp, Zedgraph, .net 4.0, WPF, Entity Framework, XML, Visual Studio 2008, Office automation, Log4Net, PostSharp, TXTextcontrol.
Database: Access.

Jan 2012 - Apr 2013

1 year 4 months

Wörth am Rhein, Germany

Programming, form design, database design, operations

Daimler

Prototype tracking tool (AMS) to support new launches.
Requesting and comparing supplier quotes for purchased parts by sending Word letters.
Awarding suppliers based on these quotes.
Display and assignment of new components to purchasing managers.
Documentation of supplier quotes and award history.
Import of planned costs and revenues.
Cost monitoring and component tracking.
Action-oriented evaluation functionalities for employees and managers.
Creation of Word templates.
Operating system: Windows XP, Windows 7.
Software: Visual Basic 6.0, Excel, VBA, Word, Outlook, Notes automation.
Database: DB2.

Aug 2011 - Dec 2011

5 months

Karlsruhe, Germany

Programming, form design, architecture, requirements analysis

ENBW

Gas volume calculation for supply contracts.
Transfer and connection program between SAP, trader and network operator databases for long-term planning.
Operating system: Windows XP, Windows 7.
Software: VBA (Access).
Database: Access, Oracle.

Jun 2011 - Dec 2016

5 years 7 months

Kulmbach, Germany

Design, database design, programming, project management, architecture, requirements analysis

Malzfabrik Johann Zeitler

Malt billing and management system, merchandise management (migration from VB6 to C#.NET).
Customer, supplier and article management.
Warehouse management, quality billing, supplier billing.
Delivery notes for incoming and outgoing goods, individual invoices, credit notes.
Various sales statistics, cheque and bill of exchange management, technical analysis, calendar.
Export to Word, Excel, PDF; creation of Word templates.
Operating system: Windows XP/ Windows 7.
Software: C#.NET, ITextSharp, Zedgraph, PDF, .net 3.5, Windows Forms, XML, Visual Studio 2008, Office automation, Log4Net, PostSharp, TXTextcontrol.
Database: MS SQL Server.

Jan 2011 - Feb 2011

2 months

Karlsruhe, Germany

Programming, form design, architecture, requirements analysis

ENBW

Index quick report.
Interface between SAP and external program with review and correction options.
Operating system: Windows XP, Windows 7.
Software: VBA, Excel.
Database: Oracle.

Sep 2010 - May 2011

9 months

Karlsruhe, Germany

Programming, form design, GUI, migration from an Access project

ENBW

AwEL - application database for energy supply and logistics.
Processing of customers in the extraterritorial area of the deregulated energy market.
Display of open orders in a tree structure according to priority.
Correction and completion of order data directly in the table or subforms.
Operating system: Windows XP, Windows 7.
Software: C#.NET, ITextSharp, .net 2.0, .net 3.5, Windows Forms, XML, Visual Studio 2008, Excel automation.
Database: Oracle.

Jul 2010 - Mar 2011

9 months

Karlsruhe, Germany

Programming, form design, effort estimation, operations, database design, GUI, architecture, requirements analysis

ENBW

Lead database as a small CRM system for managing contacts and orders.
Analysis of energy-saving measures for single-family and two-family homes.
Various order statistics as tables or charts.
Export to Excel, import from Excel.
Operating system: Windows XP, Windows 7.
Software: VBA Access 2003/2010.
Database: Access.

Feb 2010 - Jun 2011

1 year 5 months

Karlsruhe, Germany

Adaptation of various programs to Windows 7 and Office 2010, architecture, requirements analysis

ENBW

Büko2011: Migration to Windows 7 and Office 2010.
Adaptation of various programs and Word templates to Windows 7 and Office 2010.
Verification of operability under Windows 7.
Operating system: Windows 7.
Software: VBA, Excel 2010, Word 2010, Access 2010, Powerpoint 2010, C#.NET, .net 2.0, .net 3.5.
Databases: Oracle, MS SQL Server, Access.

Feb 2010 - Jul 2010

6 months

Karlsruhe, Germany

GUI programming, design, database integration

ENBW

VerA-Tool: Program for recording and maintaining electricity and gas contracts.
Multi-client capable; evaluation and business logic in the database.
Creation of Word templates.
Operating system: Windows XP, Windows 7.
Software: VBA, Excel.
Database: Oracle.

Jan 2010 - Jun 2025

15 years 6 months

Design, database design, programming, project management

SAN-Software

SAN club administration for shooting clubs.
Migration from MS-DOS to Windows.
Convenient management of members, address management, function descriptions and activities.
Freely configurable form letters, integration into existing printouts.
Extensive evaluations, list and form designers (label printing, certificates).
SEPA and DTA direct debits.
Export to Word, Excel, PDF.
Operating system: Windows XP/ Windows 7.
Software: C#.NET, ITextSharp, Zedgraph, .net 3.5, Windows Forms, XML, Visual Studio 2008, Office automation, Log4Net, PostSharp, TXTextcontrol.
Database: MS SQL Server/Access.

Sep 2009 - Feb 2010

6 months

Karlsruhe, Germany

GUI and business logic programming, design, architecture, requirements analysis

ENBW

DRULA - Compressed air tool: Questionnaire for recording energy consumption data for compressed air systems.
Evaluation and advice on saving measures.
Automatic evaluation as a report (PDF, Word, Powerpoint) with individual entries and charts.
Creation of Word templates.
Operating system: Windows XP.
Software: VBA, Excel, Powerpoint and Word automation.
Methods: Scrum.

Mar 2009 - Jun 2011

2 years 4 months

Karlsruhe, Germany

GUI programming, business logic, database design, database integration, architecture, requirements analysis

ENBW

Network usage statistics: Storage and calculation of network usage fees and metering prices from 2005 onward.
Overall and weighted premise planning by month.
Presentation as a table and chart with various formatting options.
Automatic report generation for management (printout, PDF, Powerpoint).
Transfer of data from an Oracle database.
Operating system: Windows XP, Windows 7.
Software: C#.NET, ITextSharp, .net 2.0, .net 3.5, Windows Forms, XML, Visual Studio 2008, Excel automation, ZedGraph, Powerpoint automation.
Tools: Team Foundation Server.
Database: Access/Oracle.

Mar 2009 - May 2010

1 year 3 months

Karlsruhe, Germany

GUI and business logic programming, design, architecture, requirements analysis

ENBW

IdEE: Questionnaire for collecting specific energy consumption data.
Evaluation and advice on energy-saving measures.
Data collection, energy demand calculation, and automatic report generation.
Creation of Word templates.
Operating system: Windows XP.
Software: VBA, Excel, Powerpoint and Word automation.

Jan 2009 - Dec 2010

2 years

Karlsruhe, Germany

Programming, form design, effort estimation, operations, database design, migration

ENBW

Provis: Commission settlement for field sales representatives.
Migration from Access to C#.net and MS SQL Server.
Data transfer from SAP and Excel.
Automatic commission calculation, cancellations, and completeness checks.
Automatic letters and summary lists as printouts or PDFs for traceability.
Operating system: Windows XP, Windows 7.
Software: C#.NET, IText, .net 2.0, .net 3.5, Windows Forms, XML, Visual Studio 2008, Excel automation.
Tools: Team Foundation Server.
Database: MS SQL Server.

Oct 2008 - Dec 2011

3 years 3 months

Karlsruhe, Germany

Programming and evaluations, architecture, requirements analysis, data analysis

ENBW

Calculation of claims for overpaid grid usage fees.
Basis for recalculations, out-of-court settlements, and court proceedings.
Operating system: Windows XP, Windows 7.
Software: VBA, Access 2003, Excel 2003.

Jul 2008 - Dec 2010

2 years 6 months

Karlsruhe, Germany

Programming, form design, effort estimation, operations, database design, architecture, requirements analysis

ENBW

Commission settlement for field sales representatives.
Data transfer from SAP and Excel.
Operating system: Windows XP.
Software: VBA, Access.
Database: Access.

Jul 2008 - Aug 2008

2 months

Karlsruhe, Germany

Programming, form design, operations, database design

ENBW

UmfrageDB: Database supporting call centers with telephone surveys on customer satisfaction.
Operating system: Windows XP.
Software: VBA, Access.
Database: Access.

Aug 2007 - Jun 2011

3 years 11 months

Karlsruhe, Germany

Programming, screen design, effort estimation, operations, architecture, requirements analysis

ENBW

Gas tariff calculator for calculating offers and comparing gas contracts.
Printing of offers and tariff comparisons.
Operating system: Windows XP, Windows 7.
Software: Excel 2003/2010, VBA.

Mar 2007 - Aug 2009

2 years 6 months

Karlsruhe, Germany

Programming, screen design, effort estimation, database design, migration

ENBW

WWU - CRM system for managing framework agreements with housing companies.
Migration from Access to C#.net and MS SQL Server.
Management of objects, contract creation, and automatic letters.
Import/export of object lists from/to Excel.
Letters and contracts using Word templates.
Operating system: Windows XP, Windows 7.
Software: C#.NET, .net 1.1, .net 2.0, .net 3.5, Windows Forms, XML, Excel and Word automation.
Tools: Team Foundation Server.
Database: MS SQL Server.

Jan 2007 - Nov 2011

4 years 11 months

Karlsruhe, Germany

Programming, screen design, effort estimation, database design, GUI, architecture, requirements analysis

ENBW

Forecasting tool for gas demand based on consumption in previous years, weekdays, and temperatures.
Output in tabular and chart form; export/import from/to Excel.
Operating system: Windows XP.
Software: C#.NET, .net 1.1, .net 2.0, Windows Forms, XML, Excel automation, ZedGraph.
Database: Access.

Dec 2006 - May 2007

6 months

Karlsruhe, Germany

Programming, screen design, effort estimation, database design, GUI

ENBW

TAM tool: Project management.
Operating system: Windows 2000.
Software: C#.NET, .net 1.1, .net 2.0, Windows Forms.
Database: Access.

Oct 2006 - Nov 2007

1 year 2 months

Karlsruhe, Germany

Programming, screen design, operations

ENBW

Plato-Gas: Forecasting tool for gas demand.
Projection of gas demand by comparing it with consumption in previous years, taking weekdays and temperatures into account.
Output in tabular and chart form.
Operating system: Windows XP.
Software: VBA, Excel.

Jul 2004 - Jun 2008

4 years

Stuttgart, Germany

Printing tool for contract creation

ENBW

DocGenerator: Printing tool for contract creation for the calculation tool.
Importing and preparing CSV data from the calculation tool.
Compiling Word templates and text modules; controlling formatting in Word.
Own template management in Excel.
Operating systems: Windows 2000, NT, XP.
Software: Excel, Word, VBA.

Mar 2004 - Aug 2009

5 years 6 months

Karlsruhe, Germany

Frontend programming, screen design, technical documentation

ENBW

Calculation tool for calculating and creating electricity offers for large customers.
Calculating electricity demand per quarter-hour using measured and synthetic load profiles.
Visual-Basic 6 frontend, Java server backend; data transfer using Corba.
Interfaces to existing programs and storage in Oracle database.
Technical documentation in XML.
Operating systems: Windows 2000, NT, XP.
Software: Visual Basic 6.0, Corba, Excel, Forms.
Tools: CVS.
Database: Oracle.

Dec 2003 - Feb 2004

3 months

Kulmbach, Germany

Design, database design, programming, project management, migration, architecture, requirements analysis

Malzfabrik Johann Zeitler

Migration from MS-DOS Quickbasic to Windows VB6 and SQL-Server.
Customer, supplier, and article management, warehouse management, quality accounting.
Delivery notes, individual invoices, credit notes, and sales statistics.
Cheque and bill of exchange management, technical analysis, calendar management.
Export to Word, Excel, PDF, and HTML.
Operating systems: Windows 98/ Windows 2000.
Software: Visual Basic 6.0, SQL, Crystal Reports 8.5, ADO, Excel, Word, Forms.
Database: MS SQL Server.

Dec 2003 - Feb 2004

3 months

Design, database design, programming, project management

diverse

Media management system specifically for films, with key data and selection options.
Export to Excel, HTML, PDF; time planning with timesheet.
Data import from the Internet, duplicate checking, and image management.
Automatic creation of scheduler files and control of the WinTV software.
Operating system: Windows 2000.
Software: Visual Basic 6.0, SQL, Crystal Reports 8.5, ADO, Excel, Word.
Database: MS SQL Server.

Jan 2003 - Oct 2003

10 months

Ludwigshafen, Germany

Design, database design, programming, architecture, requirements analysis

BASF Ludwigshafen

Technical Center Information System (TIS) for managing, monitoring, and billing technical centers.
Modules: Operating materials and warehouse management, operational order book, technical order book, product management (recipe, kettle assignment), work instructions, maintenance, order management.
Interface to the ZOV program for internal cost accounting.
Export to Word, Excel, PDF, and HTML.
Operating systems: Windows NT/ Windows 2000.
Software: .net, C#.NET, Visual Basic 6.0, SQL, Access, Crystal Reports, ADO.Net, Excel, Windows Forms.
Tools: Source Safe.
Database: Oracle.

Dec 2002 - Dec 2002

1 month

Ludwigshafen, Germany

Design, programming, maintenance and project management, architecture, requirements analysis

BASF Ludwigshafen

Creation of various classes and controls.
Validation control as an OCX (textbox/combobox with limits and data type definition).
Classes for data access via ADO and for managing TrueGrids.
Operating system: Windows NT/ Windows 2000.
Tools: Source Safe.
Software: Visual Basic 6.0, SQL, ADO.
Database: Access/Oracle.

Sep 2002 - Nov 2002

3 months

Ludwigshafen, Germany

Design, database design, programming, maintenance and project management, architecture, requirements analysis

BASF Ludwigshafen

Revision management for storing and monitoring revision results worldwide.
Monitoring of reported issues with follow-up and deadline tracking.
Statistical analyses and export to Excel.
Multilingual statistics for worldwide use.
Operating system: Windows NT/ Windows 2000.
Software: Visual Basic 6.0, SQL, ADO, Access.
Tools: Source Safe.
Database: Access.

Aug 2002 - Aug 2002

1 month

Ludwigshafen, Germany

Design, programming, maintenance and project management, architecture, requirements analysis

BASF Ludwigshafen

Caesar: Simple CD burning program for data backup.
Use of administrator templates for the automated creation of directory structures.
Operating system: Windows NT/ Windows 2000.
Software: Visual Basic 6.0.

Apr 2002 - Jul 2002

4 months

Ludwigshafen, Germany

Design, database design, programming, maintenance and project management, architecture, requirements analysis

BASF Ludwigshafen

Electronic shift logbook for shift operations to hand over reports.
Consists of a basic module and individual additional modules for each department.
Archiving of all reports and electronic signature system.
Operating system: Windows NT/ Windows 2000.
Software: Visual Basic 6.0, SQL, Crystal Reports, ADO, Access.
Tools: Source Safe.
Database: Access/Oracle.

Jan 2002 - Mar 2002

3 months

Ludwigshafen, Germany

Design, database design, programming, maintenance and project management, architecture, requirements analysis

BASF Ludwigshafen

Hours logbook: Planning system for the shift supervisor (employee planning, vacation and appointment scheduling).
Management of overtime and missing hours; usable as a standalone application or integrated system.
Operating system: Windows NT/ Windows 2000.
Software: Visual Basic 6.0, SQL, Access.
Tools: Source Safe.
Database: Access/Oracle.

Nov 2001 - Dec 2001

2 months

Ludwigshafen, Germany

Design, database design, programming, maintenance and project management, architecture, requirements analysis

BASF Ludwigshafen

Program for managing and creating questionnaires for audits worldwide.
Generation of questionnaires for printing and in Word, RTF, Excel or PDF format.
Multilingual user interface and questionnaires.
Operating system: Windows NT/ Windows 2000.
Software: Visual Basic 6.0, SQL, Word.
Database: Access.

Sep 2001 - Oct 2001

2 months

Ludwigshafen, Germany

Design, database design, programming, maintenance and project management, architecture, requirements analysis

BASF Ludwigshafen

Image collection for managing audit photos as good/bad examples.
Drag-and-drop import, keyword and full-text search, thumbnail overview.
Interface to MS-Paint and PowerPoint import; multilingual comments.
Executable from CD without installation (Visual Basic Standard built-in tools).
Operating system: Windows NT/ Windows 2000.
Software: Visual Basic 6.0 Standard.

Aug 2001 - Aug 2001

1 month

Ludwigshafen, Germany

Design, database design, programming, maintenance and project management, architecture, requirements analysis

BASF Ludwigshafen

Incident and order log for managing contractor orders.
Entry, processing and approval of orders, and creation of permits.
Electronic signature.
Operating system: Windows NT/ Windows 2000.
Software: Access 97 / Access 2000.
Database: Access 97 / Access 2000.

Jul 2001 - Jul 2001

1 month

Ludwigshafen, Germany

Design, programming, maintenance and project management, architecture, requirements analysis

BASF Ludwigshafen

Interface for importing order data from SAP for the Merkur and Pago labeling programs.
Data transmission via MQSeries using IDOCS directly into Oracle tables.
Operating system: Windows NT/ Windows 2000.
Software: Visual Basic 6.0, SQL.
Database: Oracle.

Apr 2001 - Jun 2001

3 months

Ludwigshafen, Germany

Design, programming, maintenance and project management

BASF Ludwigshafen

ZOV - Internal billing of pilot plant services to clients.
Service billing based on plant value classes and personnel intensity.
Allocation of rental costs and credits based on budget versus actual costs.
Interface for transmission to SAP.
Operating system: Windows NT/ Windows 2000.
Software: Visual Basic 6.0, SQL, Crystal Report, ADO.
Tools: Source Safe.
Database: Oracle.

Nov 2000 - Mar 2001

5 months

Ludwigshafen, Germany

Design, programming, maintenance and project management

BASF Ludwigshafen

CATMAN - Creation and management of catalyst offers.
Transfer of orders from DB2; master data management and assignment to offers.
Order and sales statistics (tables and charts), price development history.
Multilingual application; export to Word, Excel, PDF and HTML.
Operating system: Windows NT/ Windows 2000.
Software: Visual Basic 6.0, SQL.
Tools: Source Safe.
Database: Oracle, DB2.

Jun 2000 - Oct 2000

5 months

Ludwigshafen, Germany

Design, programming, maintenance and project management

BASF Ludwigshafen

MERKUR - Filling system for ammonia and ammonia solution.
Control of filling tank cars, tank trucks and ships.
Transfer of orders via MQ-Series; planning and data exchange with the PLS (Foxboro).
Printing of records, utilization statistics and repair monitoring.
Transfer of tank cars from DB2.
Operating system: Windows NT/ Windows 2000.
Software: Visual-Basic 6.0, SQL, ADO, Crystal Report, MQ-Series.
Tools: Source Safe.
Database: Oracle.

Mar 2000 - May 2000

3 months

Backnang, Germany

Design, database design, programming, architecture, requirements analysis

Marconi

Margin controlling in Access; transfer of data from SAP and Excel.
Analysis of actual data, services and sales for current and subsequent years.
Report creation based on various selection criteria (sales channel, product line, region).
Consistency checks and database administration; data volume approx. 300.000 records/year.
Operating system: Windows NT.
Software: VBA, Access 97, SQL.
Database: Access 97.

Dec 1999 - Dec 1999

1 month

Programming

Altvater GmbH

Order management for a confectionery company, including inventory management and commission settlement.
Interface to FIBU, accounts receivable posting, sales statistics.
Trigger programming for Gupta database.
Operating system: Windows NT.
Software: Visual Basic 5, SQL, ODBC, Crystal Reports.
Database: Gupta database.

Nov 1999 - Nov 1999

1 month

Programming

Altvater GmbH

Enhancements for the BELLA logistics program.
Interfaces for TNT and freight companies; barcode support.
Database tools, update tools, shipping monitoring; multilingual application.
Software: Visual Basic 4, SQL, Crystal Reports.
Database: Access 97.

Oct 1999 - Oct 1999

1 month

Kulmbach, Germany

Design, database design, programming and project management

Robert Backer KG

Order and revenue monitoring for two precast plants.
Construction site management, order and revenue recording.
Analysis of order backlog, increases/decreases, comparison with previous years.
Software: Visual Basic 5, SQL.
Database: Access.

Oct 1999 - Oct 1999

1 month

Design, programming, project management

various

Creation of several websites for the Internet and intranet for various service providers (health resort, bus dealership, retail).
Programming language: HTML.

Jul 1999 - Sep 1999

3 months

Kulmbach, Germany

Design, database design, programming and project management

Parkett Ritter

Complete order management and inventory management for a wholesale timber business.
Customer, item, warehouse and sales representative management.
Quotations, order confirmations, delivery notes, invoices, credit notes.
Software: Visual Basic 5, SQL, Crystal Reports.
Database: Access 97.

Jan 1999 - Mar 1999

3 months

Design, database design, programming and project management

Salem / Humanitas

Donation management including address and account management.
Circular letters based on criteria, individual and annual receipts, duplicate checking.
Postal code search, word processing and interface to Word.
Software: Visual Basic 5, SQL, Crystal Reports.
Database: Access.

Sep 1998 - Jun 1999

10 months

Kulmbach, Germany

Design, database design, programming and project management

TBK Kulmbach

Complete order management and inventory management for a concrete plant.
Recipe, cement, accessories, mixer and pump management.
Transfer of delivery notes from the mixing plant; monitoring of mixer drivers' working hours.
Software: Visual Basic 5, SQL.
Database: Access.

Sep 1998 - Apr 1999

8 months

Kulmbach, Germany

Design, database design, programming and project management

KDF Kulmbach

Complete order management and inventory management for prefabricated parts plant.
Customer and construction site management, individual and jumbo items.
Collective invoices, individual invoices, credit notes; interface to FIBU.
Software: Visual Basic 5, SQL.
Database: Access.

Jan 1998 - Feb 2000

2 years 2 months

Design, database design, programming and project management

various

Industry solution for physiotherapists - billing program.
Management of patients, health insurance companies, doctors and services.
Prescription management, individual and collective invoices; data exchange with health insurance companies.
Appointment calendar, word processing.
Software: Visual-Basic 5, SQL.
Database: Access.

Industry experience

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

Experienced in Information Technology, Food and Beverage, Sport, Energy, Utilities, and Healthcare.

Information Technology

Food and Beverage

Sport

Energy

Utilities

Healthcare

Business area experience

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

Experienced in Information Technology, Project Management, Product Development, Business Intelligence, Operations, and Finance.

Information Technology

Project Management

Product Development

Business Intelligence

Operations

Finance

Skills

Position:

Software Development / Programming
Consulting
Coaching / Instruction / Training

Technical Focus:

C#.Net
Vb.Net
Visual Basic
Vba
Access
Excel
Application Programming
Ms Sql Server
Oracle
Crystal Reports
Windows
Wpf
Winforms

Hardware:

Cd Writer / Burner
Pc
Plotter
Process Computer
Scanner

Operating Systems:

Cp/M
Ms-Dos
Novell
Unix
Windows
Olivetti Operating System: Hai And Pcos

Programming Languages:

C#.Net (.Net)
Access
Basic: Visual Basic And Vba, Various Basic Dialects, Vb.Net
Fortran
Gupta, Centura
Hpgl, Hp Pcl
Pl/Sql
Html, Xml
.Net Framework 1.1 / 2.0 / 4.5
Windows Forms
Wpf
Mvvm

Databases:

Access
Dao
Db2
Gupta, Centura
Isam
Ms Sql Server
Odbc
Oracle
Sql
Ado
Ado.Net
Sqlite
Mongodb
Firebird

Data Communication:

Ethernet
Internet, Intranet
Isdn
Novell
Pc-Anywhere
Router
Rs232
Tcp/Ip
Windows Network
Mq-Series
Corba

Experience In:

Application And System Programming
Specification, Programming, Testing
Creation Of Online Help
Support
Error Management And Processing Of Problem Tickets
User Consulting
Analysis And Preparation Of Business Requirements

Methods:

Object-Oriented Analysis, Design, Programming
Event-Driven, Visual, Structured Programming
Database Design
Scrum
Agile Development
Etl

Microsoft Standards:

Ole Automation Client/Server
Dde
Odbc
Mapi
Api
Ado
Dao
Activex
Word
Excel
Access

Various Tools:

Crystal Reports
Wise-Setup
List & Label
Eclipse
Visual Studio 6
Visual Studio 2003
Visual Studio 2005
Visual Studio 2008
Visual Studio 2010
Visual Studio 2013
Visual Studio 2015
Visual Studio 2017
Windows Forms
Forms
Dbvisualizer
Wpf

Additional Modules And Frameworks:

Component One - Formula One, Vs-Flex, True-Dbgrid, Ultragrid, Vs-Ocx
Sizerone
Sax-Zipobjects
Sheridan Calender Widgets, Sheridan-Datawidgets, Ole-Tools, Farpoint Input-Pro
Tx-Textcontrol
First Impression
Nu-Cdr
Zedgraph
Itextsharp
Postsharp
Log4net
Matrix42
Microsoft Workflow-Framework
Entity Framework
Synfusion
Telerik
Microsoft Report-Builder

Version Control Systems And Tools:

Cvs
Sourcesafe
Git
Mercourial
Subversion
Confluence
Jira

Interfaces:

Sepa Direct Debit
Idocs
Json
Xml

It Training:

Ms-Office
Corel Draw
Windows
Windows Nt
Programming

Languages

German

Native

English

Advanced

Education

Oct 1975 - Jun 1980

FH Coburg

Diplomingenieur (Fachhochschule) · Civil engineering · Coburg, Germany

Statistics

Experience

Total positions 82

Experience in Information Technology 15.5 y

Avg length 1 y 4 m

Longest experience 15 y 5 m

Global experience

Countries worked in 3 (Germany, Luxembourg, Switzerland)

Primary country Germany

Expertise

Recent roles Conversion of external Excel and CSV delivery point lists for internal database interface, architecture, Further development of the Coinbook, Coinbook-Open, Coinbook-Admin programs and the internal customer management website and, Development, architecture

Main industries Information Technology, Food and Beverage, Sport

Main business areas Information Technology, Project Management, Product Development

Qualifications

Highest degree Bachelor

Member since

August 2025

Last update

October 2026

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Frequently asked questions

Have questions? Find more information here.

Bernhard is based in Stadtsteinach, Germany and can operate in on-site, hybrid, and remote work models.

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

Bernhard has at least 29 years of experience. During this time, Bernhard has worked in at least 47 different roles and for 39 different companies. The average length of individual experience is 4 months. Note that Bernhard may not have shared all experience and actually has more experience.

Based on recent experience, Bernhard would be well-suited for roles such as: Conversion of external Excel and CSV delivery point lists for internal database interface, architecture, Further development of the Coinbook, Coinbook-Open, Coinbook-Admin programs and the internal customer management website and, Development, architecture.

Bernhard's most recent position is Conversion of external Excel and CSV delivery point lists for internal database interface, architecture at Stadtwerke Heilbronn.

In recent years, Bernhard has worked for Stadtwerke Heilbronn, Coinbook-Verlag, Breitzmann Edelmetalle Gmbh & Co. Kg, Unimed GmbH, and Mr. Pizza München.

Bernhard is most experienced in industries like Information Technology, Food and Beverage, and Sport. Bernhard also has some experience in Energy, Utilities, and Healthcare.

Bernhard is most experienced in business areas like Information Technology, Project Management, and Product Development. Bernhard also has some experience in Business Intelligence, Operations, and Finance.

Bernhard has recently worked in industries like Information Technology, Food and Beverage, and Sport.

Bernhard has recently worked in business areas like Information Technology, Product Development, and Project Management.

Bernhard holds a Bachelor in Civil engineering from FH Coburg.

The availability of Bernhard needs to be confirmed.

Daily rate distribution

0% 25% 50% 75% 100%

<€640 €640-800 €800-960 €960-1120 €1120-1280 €1440+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000

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500

250

Daily rate avg. 856 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000

750

500

250

Median rate 840 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 5 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

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