Jörg Trappschuh - Database Expert and Software Developer

Q: Where is Jörg based?

Jörg is based in Lampertheim, Germany .

Q: What languages does Jörg speak?

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

Q: How many years of experience does Jörg have?

Jörg has at least 30 years of experience. During this time, Jörg has worked in at least 24 different roles and for 33 different companies . The average length of individual experience is 1 year and 11 months . Note that Jörg may not have shared all experience and actually has more experience.

Q: What is Jörg's latest experience?

Jörg's most recent position is Database Expert and Software Developer at Public sector .

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

In recent years, Jörg has worked for Public sector , Healthcare , Logistics , Industry , and SRH Private University .

Q: Which industries is Jörg most experienced in?

Jörg is most experienced in industries like Information Technology , Manufacturing , and Banking and Finance . Jörg also has some experience in Media and Entertainment , Automotive , and Healthcare .

Q: Which business areas is Jörg most experienced in?

Jörg is most experienced in business areas like Information Technology , Product Development , and Project Management . Jörg also has some experience in Quality Assurance , Customer Service , and Business Intelligence .

Q: Which industries has Jörg worked in recently?

Jörg has recently worked in industries like Energy , Healthcare , and Manufacturing .

Q: Which business areas has Jörg worked in recently?

Jörg has recently worked in business areas like Information Technology and Product Development .

Recommended expert

Lampertheim, Germany

Experience

Dec 2024 - Jul 2025

8 months

Database Expert and Software Developer

Public sector

An old software has no documentation and the developers are not available. The data needs to be prepared for a new system. A long transition phase must be ensured.
Create the database relationship diagram
Develop a service for file exchange
Prepare structures for new requirements
Revise the old building authority program in Delphi
Secure documents in the DMS
Ensure parallel operation through data exchange via ETL processes
C#, Visual Studio 2022, Git, Delphi, MS SQL 2022, T-SQL, DataGrip

Oct 2024 - Jan 2026

1 year 4 months

Hybrid

Software Architect, Software Developer and Database Developer

Healthcare

The goal is to enable automated billing for hospitals. Rules from the EBM catalog are processed to automatically bill them with records from the HIS (Hospital Information System). Users should be able to set and adjust rules themselves.
Set up the architecture
Build the rules engine
Import and export data with Excel
Connect data with Dedalus
Build the interface in a prototype
Integrate different sources via ETL processes
Tests with Visual Studio and NUnit
C#, Visual Studio 2022, NUnit, Git, Excel, MariaDB, DataGrip, Docker, PowerShell, Windows

Jun 2024 - Oct 2024

5 months

Software Developer and Database Developer

Logistics

Extend the application for tracking promotional items - across Europe
Expand the interface for new modules
Extend the database
Coordinate with stakeholders, self-organized work
C#, .NET Core, WPF, MVC, Visual Studio 2022, Git, MS SQL 2022, T-SQL, Azure, Entity Framework

Feb 2024 - Jul 2024

6 months

Software Developer and Database Developer

Industry

Distribute machine parameter data and firmware across Europe via a web interface
Gather requirements from stakeholders
Analyze the current situation and create a concept
Develop the selection interface
Replicate data to local databases
Performance optimization, normalization of database tables
.NET Core, WPF, Visual Studio 2022, Git, MS SQL, T-SQL, Windows 10, Azure

Jan 2024 - Sep 2024

9 months

Heidelberg, Germany

Lecturer in Databases and Software Engineering

SRH Private University

Introduction to databases, SQL, normalization, procedures and functions in databases
Conducting client meetings, methodologies, change management, communication issues
MariaDB, HeidiDB

Sep 2023 - Jan 2024

5 months

Software Developer

Mechanical Engineering

Retrofit of legacy systems in medical technology
Adjusting the HMI resolution
Integrating new hardware components
Creating a service to monitor the database server
TCP/IP communication between HMI and service
Unit tests with Visual Studio built-in tools
vb.net, C#, WinForms 3.5 & 5, Visual Studio 2005, 2008, 2012, SVN, VisiWin 6.5, VMware with Windows XP, Win7, Win10, MS SQL Express

Aug 2022 - Sep 2023

1 year 2 months

Mannheim, Germany

Product Owner – SaaS Development

MeQuEn GmbH

Software solution for accrediting meeting participants and voting software for various clients
Requirement analysis, developing a target vision together with the client
Creating use cases
Interface to stakeholders and development
Considering cryptographic procedures, including BSI standard TR 02102-1 and Common Criteria (CC)
Supporting the definition of interfaces and documentation using Swagger/OpenAPI for an API-first approach
Testing and commissioning the solution in the cloud
Swagger, MariaDB, GitHub, Kubernetes, Docker

Feb 2022 - Sep 2022

8 months

Frankenthal, Germany

Software Developer and Database Developer

KSB

Controlling a nameplate stamping machine using SAP data and simulating the system
Preparing customer requirements and monitoring compliance
Analyzing data for plausibility
Creating a digital twin for hardware simulation
Displaying a preview of the nameplates
Tests with Visual Studio built-in tools
Transferring data to the stamping machine
C# 4.7.2, WinForms, Visual Studio 2019, Git, MS SQL Express, Windows 10

Oct 2021 - Mar 2022

6 months

Database Expert

BELECTRIC

Implementing a clustered database solution based on MariaDB
Analyzing requirements
Creating and applying installation scripts
Testing and commissioning the solution
Documenting the solution
Administering the solution right after deployment
MariaDB, MaxScale, Git, Docker, Windows

Mar 2021 - Dec 2023

2 years 10 months

Software Architect, Software Developer, and Database Expert

Phoenix Contact

New development of a project management system in the energy sector for planning and managing power plants and large projects. Replacing an object-oriented database.
Requirement analysis, developing a target vision together with the client
Designing the architecture with stakeholders
Developing the data layer
Providing custom interfaces for the client
Creating a digital twin
Simulating 10,000 devices for bulk data processing
Developing tools for hardware simulation
Planning and creating tests with Visual Studio built-in tools
Technical documentation, internal support, Scrum coordination with stakeholders, self-organized work
C# 4.8.2, vb.Net, WPF, Visual Studio 2019, .NET, WebServer, REST, Blazor, JSON, GitHub, Polarion, Windows 10, Linux, MariaDB, PostgreSQL, Docker, PowerShell

Oct 2020 - Feb 2021

5 months

Software Developer

Mode

Supporting a data migration from Navision to SAP. Creating data exporters.
Processing tickets from Jira
C# 4.7.2, Angular, Blazor, Console, Visual Studio 2019, Git, Jira, Confluence, MS SQL 2016, T-SQL, SSRS, Windows 10

Sep 2020 - Jan 2021

5 months

iIoT Consultant, Software Architect, Database Developer

SPAIIS

Supporting a software vendor in a research project. Machine data is interpreted by AI and saved in a database.
Building the software architecture for large-scale data processing
Designing the database
Creating concepts and implementing machine data integration through REST interfaces
Planning and developing tests with Visual Studio, unit testing
Creating a plant simulation
C# 4.7.2, Rest#, WinForms, ReSharper, Visual Studio 2017, Java, Linux, MQTT, REST, Swagger, JSON, HupSpot, Git, SourceTree, MariaDB, PostgreSQL, Windows 10, Linux, Docker, Kubernetis

Aug 2019 - Feb 2021

1 year 7 months

Cologne, Germany

Software Developer and Consultant

City of Cologne

The goal is to develop a system where decision-makers can set system administration requirements without admin intervention.
Developing a solution with all stakeholders
Preparing internal stakeholder requirements and monitoring compliance
Creating concepts and implementing migration SQL scripts
Building a console application to process bulk requests
Creating an Excel form for CSV export
Planning and developing tests with Visual Studio
Technical documentation, coordination with stakeholders, self-directed work
C# 4.7.2, VB.NET, WinForms, ReSharper, Visual Studio 2017, XML, Git, SourceTree, MS SQL 2016, MS SQL 2010, T-SQL, SSIS, PostgreSQL, Excel 2016, VBA, VB6, PowerShell, Windows 10, EcoNet

May 2019 - Jul 2020

1 year 3 months

Frankfurt, Germany

Data Analyst

Public Prosecutor's Office Frankfurt

Supporting efforts against billing fraud in healthcare
Examining data sets based on specifications
Creating an investigation report
Optimizing Excel templates
Providing online files from the Association of Statutory Health Insurance Physicians
Importing billing data from the Association of Statutory Health Insurance Physicians
Data migration from Oracle to MS SQL
Jira, Confluence, Oracle 12, Excel 2016, VBA, Windows 10

May 2019 - Jun 2019

2 months

Karlsruhe, Germany

Software Developer

CAS

Extending a WPF component for displaying and editing any input files
Developing components with WPF
Writing black box tests in Visual Studio 2017
C# 4.7.2, WPF, Visual Studio 2017, Git, SourceTree, Windows 10

Mar 2019 - Mar 2020

1 year 1 month

Germany

Consultant, Software Architect and Development Engineer

Wöhr

Creation of a concept for connecting the globally distributed systems in the IIoT field
Designing the software, including security concepts with microservices
Coordinating the project participants
Building client prototypes in WPF
Analysis of legacy data
Writing a service to import the old messages into the new system
Tests with Visual Studio and NUnit
C# 4.7.2, WinForms, Blazor, ReSharper, Visual Studio 2017, Git, SourceTree, MS SQL 2016, MariaDB, REST, Swagger, Docker, Windows 10, Siemens, Beckhoff, EVON router

Jun 2018 - Mar 2019

10 months

Stuttgart, Germany

Software Architect and Development Engineer

Bosch

Development of add-on modules for assembly software that is used in 50 sites worldwide. The software is part of a shopfloor system in the MES environment.
Software error analysis
Further development of an administration tool and the electronic shift log
Integration with REST interfaces
Component development in WinForms and distribution via NuGet packages
Unit testing of the REST interfaces
Extending web interfaces on .NET Core
Working with ClearCase
C# 4.7.2, WinForms, WCF, RestSharp, .NET Core 2.0, Visual Studio 2017, IIS, TFS 2017, Git, SourceTree, MS SQL 2016, Oracle 12.0, REST, Swagger, Windows 10

Feb 2018 - May 2018

4 months

Bonn, Germany

Software developer and database developer

brown IPOSS

Data analysis of geodata in the mobile sector
Adapting ASN.1 converters into the end clients' system landscape
Data analysis for sector swapping of base stations
Analysis of SwissQual data
C#, Visual Studio 2017, MS SQL 2016, Windows 10

Dec 2017 - Mar 2018

4 months

Stuttgart, Germany

Software expert, coach

GVS

Support during the rollout of software in the gas and electricity billing area
Vulnerability analysis
Introduction of SignalR
Extending web interfaces on .NET Core
Tests with Visual Studio and NUnit
WPF, VB.NET, .NET 4.5, .NET Core 2.0, ASP.NET, SignalR, JavaScript, Visual Studio 2017, IIS, Oracle 12.1, Oracle SQL Developer 3.1, Windows 10

Nov 2016 - Nov 2017

1 year 1 month

Vlotho, Germany

Database, backend and MES expert

Kannegiesser

Standardizing production databases and system interfaces in the MES environment
Database analysis and support for project management
Creating and implementing database concepts, including replication
Setting up ETL pipelines
Testing the concepts during commissioning
Designing UIs for master data
Software development of services in C#
Adapting low-level machine software in VB6
Creating a digital twin for hardware simulation
MS SQL 2012, Visual Studio 2015, C# .NET 4.5, VB6, VBA, Angular, GIT, Redmine, SourceTree, Windows

Jun 2016 - Sep 2016

4 months

Augsburg, Germany

Database and MES Expert

Osram

Database analysis in the MES environment to reduce downtime
Developing a monitoring tool for shopfloor oversight
Creating and implementing database and communication concepts
Software development in C#
Planning and executing automated and manual tests
MS SQL 2008 R2 replication and setting up ETL processes
C#, MVC, VB6, Visual Studio 2010, MS SQL 2008 R2, TFS 15, Tortoise SVN, XML

Oct 2015 - Apr 2016

7 months

Göppingen, Germany

Software Architect

Siemens

Extending the help system for a major client
Creating a fallback system for help requests
Implementing multilingual support for views using WPF
Migrating export-import conventions for a new release with MS SQL 2012
Designing an ergonomic maintenance application for managing help entry points
Coordinating the involved team members
Developing automated and manual tests
Writing the SQL scripts for the migration
C# 4.5, Visual Studio 2012, WPF, MVC, Winforms, Infragistics, TFS 15, MS SQL 2012, PostgreSQL, XQuery, PowerShell, working in Scrum

Nov 2014 - Dec 2015

1 year 2 months

Software Architect and Development Engineer

BorgWarner Turbo Systems

Developing a permission system for 12 global sites and over 1000 assembly stations
Developing the workflow for an ergonomic interface
Planning the architecture and deployment of the permission system
Developing a validation concept to migrate legacy data
Introducing documentation with Doc-To-Help
Implementing a ticket system with OTRS
Testing with Visual Studio
VB.net, VBA, ASP.Net, MS SQL 2012, DocToHelp, Visual Studio 2010, TFS

Feb 2014 - Oct 2014

9 months

Steinen, Germany

Software Architect

Innojet

Restructuring and visualizing plants for the pharmaceuticals and food industries
Replacing VisiWin components with C# components
Visualizing process actions on the plant
Planning the architecture and customizing the software
Commissioning at client sites
C# 4.0, OPC Server INAT for S7, MS SQL 2005, MS Excel 2010, Visual Studio 2010, VisiWinNet 6.5

Nov 2013 - Dec 2013

2 months

SQL Database Developer

Insurance

Data migration from MS SQL 2005 to MS SQL 2008 for 300 million records
Optimizing processing speed
MS SQL 2005, MS SQL 2008 R2, MS SQL Management Studio

Jun 2013 - Nov 2013

6 months

Software Developer / Subproject Lead

Airbus

Migration of management software for cabin equipment design plans
Planning and execution of the workflow
Writing specifications and architecture
Database migration from FireBird to MS SQL 2008
Integration with Active Directory and permissions management
SAP R3 – RFC integration
Delphi 5, Delphi XE2, FireBird, MS SQL 2008, DOORS, working according to Scrum

Mar 2013 - May 2013

3 months

Software Developer

Automation industry

Planning and implementation of an editorial system for the engineering department
Planning and implementation of software tools for GMP5 support
Support in building the internal class library
C#, VS 2008, Windows 7, XML, OPC / S7, MS SQL 2005

Oct 2009 - Dec 2012

3 years 3 months

Frankenthal, Germany

Software Developer

Rosebrock Software

Implementation of central base packages for tax advisor software
Planning the new architecture with ModelMaker
Performance optimization for calculation modules and SQL queries
Executing automated tests in Delphi
Maintenance of non-tax-specific software parts (trade tax, wage tax, etc.)
Interface maintenance and second-level support
Coaching of new staff and support personnel
Delphi XE, C# .net 3.5, ADS, ModelMaker 11, Subversion, Windows 7, Vista, XP, XML / XSL

Dec 2007 - Sep 2009

1 year 10 months

Dossenheim, Germany

Software Developer / IT Project Lead

Symestic GmbH

Project work in industrial controls and MES
IT project lead for wood processing plants and automotive suppliers
Planning and development of Windows services for controlling industrial plants
New development and standardization of services for data exchange between PLC and database via OPC
Setup of a system for JIT/JIS production including database development
Coaching employees on the DataBridge product
VS 2005 .net 2.0, C#, VB.net, MS-SQL 2005, OPC, TFS, Sharepoint 2005, IIS, Profinet, Ethernet/IP, S7

Jan 2006 - Nov 2007

1 year 11 months

Worms, Germany

Project Engineer / Project Lead

VSK Technik Kübler GmbH

Project lead in the industrial sector for software product planning and development
Control of industrial plants with image processing and sensor integration
Task-based sensor evaluation, remote maintenance and data acquisition
Renewal of PC software for calendering machines and punch tool management
Extension of the HMI for hardness testing machines and process data archiving
Software support for packaging lines in pharmaceuticals (FDA-compliant)
Setup of a label inspection station and conversion of print files
Delphi 7.0, Windows XP, MS-SQL 2005, Softing / INAT OPC, Profinet, Ethernet/IP

Feb 2005 - Jun 2005

5 months

Munich, Germany

Consultant Professional Services

ATOSS Software AG

Consulting and support in the area of work time management and staff scheduling
Configuration of the software solution and setup of terminals
Sales support in presales
Windows, AS/400, MS-SQL, Oracle, DB400, XML

Dec 1996 - Dec 2004

8 years 1 month

Eschborn, Germany

Consultant / Leadership and Coaching

LogicaCMG GmbH & Co.KG

Leadership and coaching of 40 developers at 3 locations
Implementation of custom client/server software solutions
Specialist for user interface ergonomics and instructor for PowerBuilder class libraries
Development of a customer reporting system for Deutsche Bank (C++, UML, Linux)
Building technical know-how and project management for BlackBerry handhelds
Evaluation of new development environments (J2EE, .NET) for international trade finance products
Creation of a quality assurance tool for the Hessen State Welfare Association
Implementation of an invoicing system with SAP-FI interface for Axel Springer Publishing
Development of a standard software for asset management at SER (SunGard)
Development of a sales system for Woelm AG
MS-Project, OOA / OOD / OOP, PowerBuilder 5.0 – 7.0, Oracle, MS-SQL, ClearCase, XML, C++, Java, J2EE

Aug 1994 - Oct 1996

2 years 3 months

Mannheim, Germany

Software Developer

EVO Bus GmbH

Development of software for managing electrical plans in bus manufacturing
Excel, Access

Industry Experience

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

Experienced in Information Technology, Manufacturing, Banking and Finance, Media and Entertainment, Automotive, and Healthcare.

Information Technology

Manufacturing

Banking and Finance

Media and Entertainment

Automotive

Healthcare

Business Area Experience

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

Experienced in Information Technology, Product Development, Project Management, Quality Assurance, Customer Service, and Business Intelligence.

Information Technology

Product Development

Project Management

Quality Assurance

Customer Service

Business Intelligence

Summary

Added value through digitalization and software development - from the first idea to the finished solution.

“Finding the right solutions for my clients is fun!”

“I enjoy building interfaces that truly meet the requirements. Databases are another one of my pillars.”

“In IT, I feel at home in multiple roles.”

Skills

Focus Areas

Software Developer & Architect
Consultant
Product Owner
Project Manager

Industries

Industry
Plant Engineering And Packaging Industry
Public Sector
Financial Sector
Pharmaceutical And Food Industry
Critical Infrastructure

Tools And Frameworks – Software Development

C# (20 Years)
Vb.net (10 Years)
Winforms (20 Years)
Wpf (10 Years)
Blazor (2 Years)
Vb6 (5 Years)
Visiwinnet (5 Years)
Nuget (10 Years)
Delphi (10 Years)

Databases

Ms Sql, T-sql (20 Years)
Ssis (10 Years)
Ssrs (20 Years)
Wcf (5 Years)
.Net Core (5 Years)
Asp.net (5 Years)
Postgresql (5 Years)
Mariadb (5 Years)
Maxscale (5 Years)
Mysql (5 Years)
Vba (5 Years)
Oracle, Pl/sql (5 Years)
Etl Processes (10 Years)
Replication
Geo Data
Design And Optimization Of Large Databases
Automated Testing With Visual Studio
Nunit

Interfaces

Rest
Restsharp
Swagger
Opc
Rpc

Reporting

Reporting Services
Crystal Reports
Power Bi

Other Tools & Technologies

Docker
Powershell
Mqtt
Directory Ldap
Tfs
Sourcetree
Tortoisesvn
Git
Jira
Confluence
Polarion
Visio
Legacy Experience With C#, Delphi

Operating Systems

Windows
Linux

Methodologies

Scrum
V-model
Kanban
Rad

Languages

German

Native

English

Advanced

Education

Oct 1993 - Jun 1996

Darmstadt University of Applied Sciences

Diploma in Computer Science (FH) · Computer Science · Darmstadt, Germany

Oct 1987 - Jun 1993

Darmstadt University of Applied Sciences

Diploma in Engineering (FH) · Electrical Engineering · Darmstadt, Germany

Certifications & licenses

IHK Certified Trainer

Certified Data Protection Officer (TÜV Süd)

Statistics

Experience

Total positions 33

Experience in Information Technology 13.5 y

Avg length 1 y 1 m

Longest experience 8 y

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Database Expert and Software Developer, Software Architect, Software Developer and Database Developer, Software Developer and Database Developer

Main industries Information Technology, Manufacturing, Banking and Finance

Main business areas Information Technology, Product Development, Project Management

Qualifications

Highest degree Bachelor

Certifications earned 2

Profile

Created

July 2025

Last Update

February 2026

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Frequently asked questions

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

Where is Jörg based?

Jörg is based in Lampertheim, Germany.

What languages does Jörg speak?

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

How many years of experience does Jörg have?

Jörg has at least 30 years of experience. During this time, Jörg has worked in at least 24 different roles and for 33 different companies. The average length of individual experience is 1 year and 11 months. Note that Jörg may not have shared all experience and actually has more experience.

What roles would Jörg be best suited for?

Based on recent experience, Jörg would be well-suited for roles such as: Database Expert and Software Developer, Software Architect, Software Developer and Database Developer, Software Developer and Database Developer.

What is Jörg's latest experience?

Jörg's most recent position is Database Expert and Software Developer at Public sector.

What companies has Jörg worked for in recent years?

In recent years, Jörg has worked for Public sector, Healthcare, Logistics, Industry, and SRH Private University.

Which industries is Jörg most experienced in?

Jörg is most experienced in industries like Information Technology, Manufacturing, and Banking and Finance. Jörg also has some experience in Media and Entertainment, Automotive, and Healthcare.

Which business areas is Jörg most experienced in?

Jörg is most experienced in business areas like Information Technology, Product Development, and Project Management. Jörg also has some experience in Quality Assurance, Customer Service, and Business Intelligence.

Which industries has Jörg worked in recently?

Jörg has recently worked in industries like Energy, Healthcare, and Manufacturing.

Which business areas has Jörg worked in recently?

Jörg has recently worked in business areas like Information Technology and Product Development.

What is Jörg's education?

Jörg holds a Bachelor in Electrical Engineering from Darmstadt University of Applied Sciences.

Does Jörg have any certificates?

Jörg has 2 certificates. These include: IHK Certified Trainer and Certified Data Protection Officer (TÜV Süd).

What is the availability of Jörg?

Jörg is immediately available part-time for suitable projects.

What is the rate of Jörg?

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