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Wolfgang Dietzinger

Mechanical engineering manufacturer, Erding, part-time

Wolfgang Dietzinger
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Bruckberg, Germany

Experience

Jul 2025 - Present
9 months
Erding, Germany

Mechanical engineering manufacturer, Erding, part-time

Expertise details
Position Summary
Mechanical engineering manufacturer, Erding, part-time
Industries
Manufacturing
Business Areas
Information Technology
Product Development
  • Update C++ GUI using MFC
  • Estimate effort for migrating the GUI to Qt
Jun 2023 - Dec 2024
1 year 7 months
Karlsruhe, Germany

Process automation, automation technology manufacturer, Karlsruhe

Expertise details
Position Summary
Process automation, automation technology manufacturer, Karlsruhe
Industries
Manufacturing
Business Areas
Information Technology
  • .NET 4.8/ C#, Angular 17, RxJs, IIS, HTML, CSS, Unit-Tests
  • Create and maintain client-side web applications with Angular
  • Maintain server-side web applications with the ASP.NET Framework for an automation technology web application
Dec 2022 - Feb 2023
3 months
Berlin, Germany

ETL process documentation, payment service provider, Berlin

Expertise details
Position Summary
ETL process documentation, payment service provider, Berlin
Industries
Banking and Finance
Business Areas
Information Technology
  • .NET 6/ C#, Entity Framework, SQL-Server, Kafka Client, Event Driven Architecture
  • Document message processing for Kafka topics and SQL Server
  • Document message processing for REST and GraphQL interfaces
  • Maintain and troubleshoot ongoing operations
Jun 2022 - Dec 2022
7 months
Mannheim, Germany

Identity verification, recruitment agency, Mannheim

Expertise details
Position Summary
Identity verification, recruitment agency, Mannheim
Industries
Professional Services
Business Areas
Information Technology
  • .NET 6/ C#, Entity Framework, SQL-Server, REST, xUnit, Azure DevOps, Blazor Web App, Atlassian Jira/Confluence, Open API/Swagger
  • Develop microservice REST APIs for identity verification
  • Create a Blazor web frontend for personal data
  • Unit tests and deployment
Jan 2022 - Jun 2022
6 months
Bielefeld, Germany

Machine control, mechanical engineering, near Bielefeld

Expertise details
Position Summary
Machine control, mechanical engineering, near Bielefeld
Industries
Manufacturing
Business Areas
Information Technology
Product Development
  • .NET 6/ C#, MongoDB, REST, xUnit, Gitlab, Docker, SkiaSharp, Open API/Swagger, RabbitMQ, Event Driven Architecture
  • Develop microservice REST APIs for machine data and program control of a conveyor system
  • Process images with SkiaSharp for error detection on the conveyor belt
  • Unit tests
Sep 2021 - Dec 2021
4 months
Velbert, Germany

Order Management in Mechanical Engineering, Velbert

Expertise details
Position Summary
Order Management in Mechanical Engineering, Velbert
Industries
Manufacturing
Business Areas
Information Technology
  • .NET 6/ C#, MS SQL Server, Entity Framework Core 6, REST, xUnit, Gitlab
  • Create REST APIs for accessing SQL Server 2019
Feb 2021 - Aug 2021
7 months
Ingolstadt, Germany

Measurement Data Management, Ingolstadt

Expertise details
Position Summary
Measurement Data Management, Ingolstadt
Industries
Information Technology
Business Areas
Information Technology
  • Java JDK 1.8, Spring Boot, PostgreSQL, Kubernetes, MS Azure, Angular 10, Kafka, Helm Charts, BLOBs, Elasticsearch 7, OpenAPI/Swagger, AWS
  • Backends with BLOB storage for measurement data and metadata indexing using Elasticsearch, Spring Framework and Spring Boot
  • Data management with PostgreSQL and JPA repositories
  • Migrating the application to MS Azure AKS Kubernetes with Helm Charts
  • Front-end with Angular Material and Ngrx Store
Aug 2020 - Aug 2020
1 month
Düsseldorf, Germany

Backend analysis of a mobile route planning app, Düsseldorf

Expertise details
Position Summary
Backend analysis of a mobile route planning app, Düsseldorf
Industries
Tourism
Business Areas
Information Technology
Product Development
  • .NET Core 3.1, C# 8, Entity Framework, Oracle DB, RabbitMQ, SOAP XML
  • Analyzed a mobile route planning app and designed the backend architecture with message queues based on RabbitMQ
  • Defined the requirements for phasing out the existing backend system and running in parallel
Jun 2020 - Jul 2020
2 months
Düsseldorf, Germany

Extending a mobile route planning app, Düsseldorf

Expertise details
Position Summary
Extending a mobile route planning app, Düsseldorf
Industries
Information Technology
Tourism
Business Areas
Information Technology
Product Development
  • Ionic Framework, AngularJS, C#, .NET 4.8, Entity Framework, Newtonsoft JSON, MySQL, RealmDB
  • Extended a mobile app with ASP.NET JSON web services
  • Built the front end with AngularJS and Ionic
  • Implemented a payment interface
Mar 2020 - May 2020
3 months
Munich, Germany

Converting a sales database price calculation to .NET Core 3.1, Munich

Expertise details
Position Summary
Converting a sales database price calculation to .NET Core 3.1, Munich
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • PostgreSQL, C#, .NET Core 3.1, Entity Framework, Newtonsoft JSON, Docker container, PHP 7, MongoDB, VueJS, xUnit, Serilog, Angular with NgxAdmin
  • Converted a price calculation for the internal sales database from PHP 7 to ASP.NET Core JSON web services
  • Migrated the domain model from MongoDB to a PostgreSQL database
  • Adjusted the admin web application with VueJS and .NET Core JSON web services
  • Unit tests with xUnit
  • Deployed web services as Docker containers
  • Redesigned the NuxtJS web front end to Angular with NgxAdmin as a portal solution and built a prototype
Jan 2020 - Feb 2020
2 months
Koblenz, Germany

Frontend and Backend Architecture, Koblenz

Expertise details
Position Summary
Frontend and Backend Architecture, Koblenz
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • NodeJs, React NextJs, HTML5, Yarn
  • Designing architecture for the frontend with React NextJs and a monorepo using Nx for React components
  • NodeJs REST web interfaces for front-end development
Nov 2019 - Feb 2020
4 months
Munich, Germany

Rebuilding a GIS web application to Angular 9, Munich

Expertise details
Position Summary
Rebuilding a GIS web application to Angular 9, Munich
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Angular 9, OpenLayers GIS, C#, .NET Core 3, HTML5
  • Rebuilding a GIS web application from PHP 7 Symfony to Angular 9 and .NET Core 3
  • OpenLayers web maps
Aug 2019 - Oct 2019
3 months
Munich, Germany

Risk assessments for a banking group, Munich

Expertise details
Position Summary
Risk assessments for a banking group, Munich
Industries
Banking and Finance
Business Areas
Business Intelligence
Finance
Information Technology
  • C#, .NET 4.7, ASP.NET Razor Pages, HTML5 and jQuery components, Visual Studio 2017, MS SQL Server
  • Creating functional extensions for forecasting models and risk assessments for bank clients
  • Fixing bugs
  • Documentation
May 2019 - Jul 2019
3 months
Dresden, Germany

Energy production with consumption forecasting and numerical optimization, Dresden

Expertise details
Position Summary
Energy production with consumption forecasting and numerical optimization, Dresden
Industries
Energy
Business Areas
Information Technology
Product Development
  • Azure Cloud Docker and DB, NestJS, TypeScript, GraphQL, TypeORM, NodeJs 12, PostgreSQL, R and numerical optimization, OpenAPI/Swagger
  • Architecture and design of the system for Docker containers and MS Azure Cloud
  • Creating web services to collect plant data from energy producers using the NestJS framework in TypeScript
  • Building a data access layer with GraphQL for a web frontend with a PostgreSQL database
  • Controlling numerical solvers for consumption forecasting and optimizing schedules of electrical equipment with R, COINOR and GLPK
May 2019 - May 2019
1 month
Dresden, Germany

Industry 4.0 IIoT machine integration, Dresden

Expertise details
Position Summary
Industry 4.0 IIoT machine integration, Dresden
Industries
Manufacturing
Business Areas
Information Technology
  • Operational data collection with edge gateways
  • Consulting on edge gateway architecture and interfaces
  • Market overview of IoT gateways and data interfaces to PLC controls
Mar 2019 - Apr 2019
2 months
Dresden, Germany

Industry 4.0 IIoT Operational Data Acquisition, Dresden

Expertise details
Position Summary
Industry 4.0 IIoT Operational Data Acquisition, Dresden
Industries
Manufacturing
Business Areas
Information Technology
  • Azure Cloud Docker and DB, C#, .NET Core 2, Visual Studio 2017, Java, Spring Boot, Kafka, MQTT, time series PostgreSQL/TimescaleDB
  • System architecture and design for Docker containers and MS Azure Cloud, including selecting and evaluating system software
  • Built an application to collect and analyze operational data from packaging machines
  • Read machine messages from Apache Kafka and stored them as time series in PostgreSQL using Spring Boot
  • Created Docker images for Kubernetes clusters
  • Designed a database schema for PostgreSQL and TimescaleDB
Feb 2019 - Feb 2019
1 month
Munich, Germany

Test Data Acquisition Electronics Manufacturing, Munich

Expertise details
Position Summary
Test Data Acquisition Electronics Manufacturing, Munich
Industries
Manufacturing
Business Areas
Information Technology
  • C#, .NET 4.7, Visual Studio 2017, WPF
  • Extended an application to collect and analyze operational data from electronic component production
  • Enhanced the GUI using WPF
  • Analyzed testing results of electronic modules
Dec 2018 - Jan 2019
2 months
Frankfurt, Germany

IoT Portal Prototype, Greater Frankfurt Area

Expertise details
Position Summary
IoT Portal Prototype, Greater Frankfurt Area
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • C#, .NET Core 2, Entity Framework Core 2, Azure Cloud SQL DB / Functions / IoT Hub, Visual Studio 2017, GIT, xUnit, Dapper, OpenAPI/Swagger
  • Created REST web services for an IoT portal to store device data
  • Data storage in Azure SQL DB with Entity Framework Core 2 and Dapper
  • Azure Cosmos DB with a Gremlin GraphQL prototype
  • C# Azure Cloud Functions
  • Azure API Gateway for cloud functions
  • Tested measurement data with MQTT against MS Event Hub and MS Event Grid
  • Updated devices in Azure IoT Hub
  • Unit-tested all functionalities
  • GitLab GIT source control
  • Implemented data access from the API Gateway to the database
Oct 2018 - Dec 2018
3 months
Munich, Germany

Energy Consumption Portal, Munich

Expertise details
Position Summary
Energy Consumption Portal, Munich
Industries
Energy
Business Areas
Information Technology
Product Development
  • C#, ASP.NET Core 2, Entity Framework Core 2, Azure Cloud SQL, Visual Studio 2017, GIT, xUnit
  • Created REST web services for an energy consumption portal
  • GitHub source control
  • Docker containers for Microsoft Azure
Jun 2018 - Aug 2018
3 months
Munich, Germany

Tax Reports as a Web Application, Munich

Expertise details
Position Summary
Tax Reports as a Web Application, Munich
Industries
Banking and Finance
Business Areas
Business Intelligence
Information Technology
  • C#, ASP.NET Core 2, Entity Framework Core 2, Angular 6, CSS, Azure Cloud SQL, Visual Studio 2017, GIT
  • Developed a web application to capture financial accounting (FIBU) data for tax analyses and reports, using Angular 6 for the web frontend and ASP.NET Core 2 with REST interfaces
  • Implemented data import and export in the Azure SQL database using .NET Entity Framework Core 2
Apr 2017 - May 2018
1 year 2 months
Ingolstadt, Germany

Seller Portal for Electronics Retailer, Ingolstadt

Expertise details
Position Summary
Seller Portal for Electronics Retailer, Ingolstadt
Industries
Retail
Business Areas
Information Technology
Product Development
Quality Assurance
  • Spring Boot Framework, Java, Angular 4, CSS, JUnit 4, Docker containers, Ruxit Docker Monitoring, IntelliJ, continuous deployment with Jenkins, SOAP XML
  • Creating web pages to display customer data with AngularJS SPA
  • Tablet app for customer self-service with Angular 4 SPA, HTML barcode
  • REST web services with Spring Framework 1.5
  • SOAP XML clients for backend systems with Axis2
  • Oracle DB with auxiliary tables
  • Creating PDF forms
  • Web services as Docker containers in a Rancher cluster
  • Troubleshooting and quality assurance in distributed data stores
  • Reviewing Jenkins build scripts
  • Designing customer web app for the checkout area
Feb 2016 - Mar 2017
1 year 2 months
Lucerne, Switzerland

Product Portal for Architects, Lucerne, Switzerland

Expertise details
Position Summary
Product Portal for Architects, Lucerne, Switzerland
Industries
Construction
Information Technology
Business Areas
Information Technology
Product Development
  • C#, ASP.NET MVC 5, Entity Framework 6, jQuery, Bootstrap, VueJS, WCF, Visual Studio 2015
  • Creating web pages for product selection for architects and planners using jQuery and VueJS view models
  • SOAP client with WCF for product data from SAP system
  • Controlling CAD drawing generator for PDF output
  • Product filter for elevator visualization
  • Designing visual product configurator
Aug 2015 - Oct 2015
3 months
Frankfurt, Germany

Payroll for Call Center, Frankfurt

Expertise details
Position Summary
Payroll for Call Center, Frankfurt
Industries
Telecommunication
Business Areas
Human Resources
Information Technology
  • Visual Studio 2015, ASP.NET MVC 5, Entity Framework 6, jQuery, Bootstrap, Razor Views
  • Creating data model and payroll calculations
  • Creating input forms in HTML
Apr 2015 - Apr 2015
1 month
Herzogenaurach, Germany

Rollout Preparation for Mechanical Engineering Company, Nuremberg and Herzogenaurach

Expertise details
Position Summary
Rollout Preparation for Mechanical Engineering Company, Nuremberg and Herzogenaurach
Industries
Manufacturing
Business Areas
Information Technology
Project Management
  • MS Office 2013
  • Part-time project
  • Coordinating rollout capacities
  • Preparing user help with SharePoint team sites
Feb 2015 - Aug 2015
7 months
Herzogenaurach, Germany

ALM Portfolio Management for Mechanical Engineering Company, Nuremberg and Herzogenaurach

Expertise details
Position Summary
ALM Portfolio Management for Mechanical Engineering Company, Nuremberg and Herzogenaurach
Industries
Manufacturing
Business Areas
Information Technology
Project Management
  • TFS 2013, visualstudio.com
  • Selecting an ALM solution
  • Evaluating platforms for software development on mobile devices and apps
  • Planning technical and organizational priorities for global teams
  • Test development of native mobile apps with Xamarin.Forms
  • Test development of hybrid mobile apps with ASP.NET, HTML5, TypeScript
Dec 2014 - Jul 2015
8 months
Herzogenaurach, Germany

Project management to introduce a template system for MS Office for mechanical engineering companies, Nuremberg and

Expertise details
Position Summary
Project management to introduce a template system for MS Office for mechanical engineering companies, Nuremberg and
Industries
Manufacturing
Business Areas
Information Technology
Project Management
  • MS Office 2013, MS Project
  • Analyzing and planning technical and organizational priorities
  • Requirements analysis and scheduling
  • Selection process for the template system
  • Concept, design, and pilot
Nov 2014 - Jan 2015
3 months

Improving a template generator for MS Word

Expertise details
Position Summary
Improving a template generator for MS Word
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Word 2013, C# with .NET 4.0, Open XML SDK 2.5
  • Part-time project
  • Extending a template generator for MS Word templates
  • XML data binding to ContentControl fields
Jul 2014 - Sep 2014
3 months
Bayreuth, Germany

Test data for a chemical plant, Roth near Nuremberg

Expertise details
Position Summary
Test data for a chemical plant, Roth near Nuremberg
Industries
Chemical
Business Areas
Quality Assurance
  • SQL with Access 2010
  • Part-time project
  • Extending a small application to record test and storage data
Jul 2014 - Jul 2014
1 month
Landshut, Germany

Full-text search for a software vendor's web application, Landshut

Expertise details
Position Summary
Full-text search for a software vendor's web application, Landshut
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Java 1.7, Lucene, Hibernate 3.3, MariaDB
  • Part-time project
  • Improving the full-text search for the search form
  • Testing the indexes for the full-text search
Sep 2013 - May 2014
9 months
Starnberg, Germany

Payment portal for medical technology, Starnberg

Expertise details
Position Summary
Payment portal for medical technology, Starnberg
Industries
Healthcare
Business Areas
Information Technology
  • C# with .NET 4.5, ASP.NET MVC, HBCI API, PHP, jQuery, SEPA transactions
  • Part-time project
  • Creating web services in ASP.NET MVC for the SEPA backend
  • Creating HTML pages with jQuery and PHP server functions for SEPA transactions
  • MySQL database
Apr 2013 - Nov 2013
8 months
Eschborn, Germany

Converting Excel files for a bank in Eschborn

Expertise details
Position Summary
Converting Excel files for a bank in Eschborn
Industries
Banking and Finance
Business Areas
Information Technology
Project Management
  • OMPM converter, C# with .NET 4.5 and batch scripts
  • Preparing and executing the project with automation scripts
  • Project lead for a team of 3
  • Converting a large number of Excel files from Excel 2003 to Excel 2010
  • Reviewing, fixing, and testing VBA macros for banking applications and financial services in Excel 2003/2010
Mar 2012 - Oct 2014
2 years 8 months

Computer-assisted mammography for a Japanese medical technology manufacturer

Expertise details
Position Summary
Computer-assisted mammography for a Japanese medical technology manufacturer
Industries
Healthcare
Business Areas
Information Technology
Product Development
  • C# with .NET 3.5/4.5, WPF, DICOM, WCF, ADO.NET, MS SQL Server/T-SQL, Xunit
  • Creating a medical technology application with WPF graphics for X-ray and mammography images
  • Designing and implementing orthopedic measurements
Nov 2011 - Feb 2012
4 months
Schwandorf, Germany

Web application for food retail, Schwandorf

Expertise details
Position Summary
Web application for food retail, Schwandorf
Industries
Food and Beverage
Retail
Business Areas
Information Technology
Quality Assurance
  • C# with .NET 4, ASP.NET MVC 4, MS SQL Server with Entity Framework 4/T-SQL, XML, unit tests
  • Developing a web application to manage quality assurance processes
May 2011 - Oct 2011
6 months
Neutraubling, Germany

Preparing documents for mechanical engineering, Krones AG, Neutraubling

Expertise details
Position Summary
Preparing documents for mechanical engineering, Krones AG, Neutraubling
Industries
Manufacturing
Business Areas
Information Technology
  • C# with .NET 4, Open XML, SQL, XML, WCF, NUnit tests
  • Developing a document processing solution from Word 2010 format to an SAP system
  • Designing and building a WCF web application with load balancing
Nov 2010 - May 2011
7 months
Munich, Germany

Market research analysis, TNS Infratest, Munich

Expertise details
Position Summary
Market research analysis, TNS Infratest, Munich
Industries
Professional Services
Business Areas
Business Intelligence
Information Technology
Research and Development
  • C# with .NET 3.5, SQL, XML, Composite Application Blocks, MS unit tests
  • Developing statistical evaluations with an SQL database
Apr 2010 - Sep 2010
6 months
Nuremberg, Germany

Financial Planning and Reporting for Datev AG, Nuremberg

Expertise details
Position Summary
Financial Planning and Reporting for Datev AG, Nuremberg
Industries
Government and Administration
Business Areas
Business Intelligence
Finance
  • C# with .NET 3.5, Xlinq and XML, Office Open XML/Word 2007, SQL Server OLAP
  • Creating reports from OLAP cubes with WordML for further processing with MS Word 2007
  • Creating budget plans for municipalities as Word documents
Oct 2008 - Aug 2009
11 months
Unterschleißheim, Germany

Medical Image Processing for an International Medical Device Manufacturer, Unterschleissheim

Expertise details
Position Summary
Medical Image Processing for an International Medical Device Manufacturer, Unterschleissheim
Industries
Healthcare
Business Areas
Information Technology
  • C# with .NET 3.5, WPF, XML serialization, MS SQL 2005, T-SQL
  • Developing an application in medical technology with WPF graphics for X-ray images
Jun 2008 - Sep 2008
4 months
Vilsbiburg, Germany

Test Automation for Automotive Supplier, Vilsbiburg

Expertise details
Position Summary
Test Automation for Automotive Supplier, Vilsbiburg
Industries
Automotive
Business Areas
Product Development
Quality Assurance
  • C# with .NET 3.5, WPF, XML serialization, sockets and threads
  • Developing an application for test automation of assembly tables in WPF with image recognition using Dalsa Sherlock IPG
  • Controlling electronic switches via sockets
  • Creating configuration and serialization in XML
  • Managing the test process with individual threads
  • Testing image recognition of product images
  • Unit tests with MSTest
  • On-site commissioning at the plant in Romania
May 2007 - May 2008
1 year 1 month
Nuremberg, Germany

Data Analysis for Market Research Company, Nuremberg

Expertise details
Position Summary
Data Analysis for Market Research Company, Nuremberg
Industries
Professional Services
Business Areas
Business Intelligence
Information Technology
  • C# with .NET 2, WinForms, Reflection API, XML serialization
  • Extending the application in graphical interfaces and data analysis for field research in broadcasting
  • Creating application commands and command buffers
  • Developing interfaces and data models, data export
  • Implementing sorting and filtering logic
Apr 2007 - Apr 2007
1 month

Feasibility Study for Template Document Processing

Expertise details
Position Summary
Feasibility Study for Template Document Processing
Industries
Information Technology
Business Areas
Information Technology
Research and Development
  • Java, OpenOffice
  • Analyzing the feasibility of document processing for templates
Feb 2007 - Feb 2007
1 month
Burgkirchen an der Alz, Germany

Infraserv GmbH, Burgkirchen

Expertise details
Position Summary
Infraserv GmbH, Burgkirchen
Industries
Information Technology
Manufacturing
Business Areas
Information Technology
Product Development
  • C# with .NET 1.1, Oracle database, WinForms, Reflection API, XML and XML schema, XSLT
  • Extending and revising an industrial shift and work scheduling application in the area of graphical interfaces and database integration
  • Exporting data with formatting changes using XSLT
  • Creating a module for database validation with XML configuration
Oct 2006 - Oct 2006
1 month

Database import of XML data

Expertise details
Position Summary
Database import of XML data
Industries
Information Technology
Business Areas
Information Technology
  • MySQL, StAX XMLReader, Java 1.5
  • Reading XML documents for database import
Mar 2005 - Sep 2006
1 year 7 months
Ruhstorf an der Rott, Germany

Pharmacy software for MC Lindinger GmbH, Ruhstorf an der Rott

Expertise details
Position Summary
Pharmacy software for MC Lindinger GmbH, Ruhstorf an der Rott
Industries
Healthcare
Business Areas
Information Technology
Product Development
  • PostgreSQL 8, SUSE Linux, Pascal script, partly Java with Eclipse, XML export, UML sequence diagrams
  • Database development of a medical information system for pharmacists
  • Application development and maintenance of GUI applications for inventory management with cash register and medical information system for pharmacies
  • Design and automation of data preparation and reconciliation of medical data for several thousand customer systems
  • Remote maintenance of customer systems
  • Development of prototypes for reporting with Crystal Reports and Jasper Report
  • XML export of data for archiving and auditing by the tax authorities in GDPdU format
  • Representing small program sequences with UML sequence diagrams for documentation
Oct 2004 - Nov 2004
2 months
Leiblfing, Germany

Web application for Evidanza GmbH, Leiblfing

Expertise details
Position Summary
Web application for Evidanza GmbH, Leiblfing
Industries
Information Technology
Business Areas
Business Intelligence
Information Technology
  • C#, MS SQL 2000, ADO.NET, ASP.NET in .NET 1.1
  • Prototype development for a web-based reporting application
  • Access to MS SQL Server with ADO.NET
  • Calculation and display of tables and cross tables with ASP.NET
Jan 2004 - Mar 2005
1 year 3 months
Landshut, Germany

Industry solution for KWP Informationssysteme GmbH, Landshut

Expertise details
Position Summary
Industry solution for KWP Informationssysteme GmbH, Landshut
Industries
Construction
Business Areas
Accounting
Information Technology
  • VB.NET, XML DOM in .NET 1.1, Access 2000 with ADO
  • GUI and database development for a client-side module for an XML web service in the housing industry: handling quotes, product catalogs, orders, and invoices for an industry solution in construction
  • Module for invoice entry book with extensions for postings and payments
Oct 2002 - Aug 2004
1 year 11 months
Munich, Germany

Database Development for convey GmbH, Munich

Expertise details
Position Summary
Database Development for convey GmbH, Munich
Industries
Information Technology
Business Areas
Information Technology
Quality Assurance
  • MS SQL 2000, Oracle 9, Sybase Anywhere 10
  • Database development with an in-house IDE
  • Application development in HTML and GUI for measurement registration and a law firm system using an in-house IDE
  • Testing applications through manual functional tests and partially automated load tests using JavaScript
Sep 2000 - Oct 2004
4 years 2 months
Deggendorf, Germany

Studied Business Informatics at Deggendorf University of Applied Sciences

Expertise details
Position Summary
Studied Business Informatics at Deggendorf University of Applied Sciences
Industries
Education
Information Technology
Business Areas
Information Technology
  • First part-time computer science degree program in Bavaria
  • Earned a Bachelor of Arts
Jan 2000 - May 2002
2 years 5 months
Landshut, Germany

Webdefender GmbH, Landshut

Expertise details
Position Summary
Webdefender GmbH, Landshut
Industries
Information Technology
Business Areas
Customer Service
Information Technology
  • Network administration on Windows 2000, firewall and Internet
  • Administering Windows servers, Internet, network and database servers
  • User support
May 1999 - Dec 1999
8 months
Germany

Apprenticeship as a Network Administrator

Expertise details
Position Summary
Apprenticeship as a Network Administrator
Industries
Information Technology
Telecommunication
Business Areas
Information Technology
  • NT4, Windows networks
  • Administration of Windows servers and network protocols
  • MCSE certification exam
  • Internship at Deutsche Telekom in Darmstadt
  • Internship at Webdefender GmbH in Landshut
Mar 1995 - Dec 1998
3 years 10 months
Russian Federation

Work in Russia

Expertise details
Position Summary
Work in Russia
Industries
Construction
Manufacturing
Retail
Business Areas
Project Management
Sales
  • Project management in plant construction and technical sales
  • Worked as an assistant to management and project planning at a newsprint mill in Russia
  • Sales representative for a German window hardware and machinery manufacturer in central Russia
  • Own retail business for window hardware and other goods
Jan 1995 - Feb 1995
2 months
Korschenbroich, Germany

Project Assistant at BLV Publisher for Computer Books, Korschenbroich

Expertise details
Position Summary
Project Assistant at BLV Publisher for Computer Books, Korschenbroich
Industries
Media and Entertainment
Business Areas
Project Management
  • Worked as a project assistant at a computer book publisher
Oct 1990 - Dec 1994
4 years 3 months
Munich, Germany

Precision Engineering Studies at Munich University of Applied Sciences

Expertise details
Position Summary
Precision Engineering Studies at Munich University of Applied Sciences
Industries
Manufacturing
Business Areas
Product Development
  • Graduated with a diploma in precision engineering
Sep 1988 - Jun 1989
10 months
Pfarrkirchen, Germany

Technical High School Pfarrkirchen

Expertise details
Position Summary
Technical High School Pfarrkirchen
Industries
Education
  • Graduated with a university of applied sciences entrance qualification
Oct 1986 - Jun 1988
1 year 9 months
Burghausen, Germany

Apprenticeship as an electrical systems installer at Wacker Chemie in Burghausen

Expertise details
Position Summary
Apprenticeship as an electrical systems installer at Wacker Chemie in Burghausen
Industries
Chemical
Business Areas
Operations
  • Certified as an electrical systems installer by the Chamber of Industry and Commerce

Industry Experience

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

Experienced in Manufacturing, Information Technology, Construction, Retail, Healthcare, and Education.

Manufacturing
Information Technology
Construction
Retail
Healthcare
Education
Profile match chart

Business Area Experience

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

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

Information Technology
Product Development
Project Management
Sales
Quality Assurance
Business Intelligence
Profile match chart

Summary

  • Architecture and prototypes for microservices and web applications
  • over 20 years of software development
  • 6 years of web development and web frontends with TypeScript/JavaScript: Angular, VueJs, Blazor, React
  • over 3 years of backend systems with Java
  • over 10 years of backend systems with C# .NET, Java, NodeJs
  • over 10 years of REST & SOAP XML APIs
  • over 5 years of GUI applications with WPF, Windows Forms C# / .NET
  • 20 years of databases SQL & NoSQL
  • over 3 years of cloud systems, Docker containers, MS Azure, AWS, functions, DB, IoT Hub

Over 25 years of IT experience, including 3 years in administration, networks, and firewalls

Customer and employee portals as web applications with backend systems in Java, .NET, TypeScript. Process and device data in the technical industry and automation technology. The focus is on quality and functionality of the applications for your company. I recommend architecture prototypes and domain-driven design to create balanced systems and avoid excessive technical effort.

Languages

German
Native
English
Intermediate

Education

Sep 2000 - Oct 2004

Deggendorf University of Applied Sciences

Bachelor of Arts in Business Information Systems · Business Information Systems · Deggendorf, Germany

Oct 1990 - Dec 1994

Munich University of Applied Sciences

Diploma in Precision Engineering · Precision Engineering · Munich, Germany

Sep 1988 - Jun 1989

Pfarrkirchen Technical High School

Advanced Technical College Entrance Qualification · Pfarrkirchen, Germany

...and 1 more

Certifications & licenses

MCSE

Statistics

Experience

Total positions 54
Experience in Manufacturing 12 y
Avg length 9 m
Longest experience 4 y 2 m

Global Experience

Countries worked in 3 (Germany, Switzerland, Russian Federation)
Primary country Germany

Expertise

Recent roles Mechanical engineering manufacturer, Erding, part-time, Process automation, automation technology manufacturer, Karlsruhe, ETL process documentation, payment service provider, Berlin
Main industries Manufacturing, Information Technology, Construction
Main business areas Information Technology, Product Development, Project Management

Qualifications

Highest degree Bachelor
Certifications earned 1

Profile

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Frequently asked questions

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

Where is Wolfgang based?

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

What languages does Wolfgang speak?

Wolfgang speaks the following languages: German (Native), English (Intermediate).

How many years of experience does Wolfgang have?

Wolfgang has at least 34 years of experience. During this time, Wolfgang has worked in at least 54 different roles. The average length of individual experience is 1 year and 8 months. Note that Wolfgang may not have shared all experience and actually has more experience.

What roles would Wolfgang be best suited for?

Based on recent experience, Wolfgang would be well-suited for roles such as: Mechanical engineering manufacturer, Erding, part-time, Process automation, automation technology manufacturer, Karlsruhe, ETL process documentation, payment service provider, Berlin.

What is Wolfgang's latest experience?

Wolfgang's most recent position is Mechanical engineering manufacturer, Erding, part-time.

Which industries is Wolfgang most experienced in?

Wolfgang is most experienced in industries like Manufacturing, Information Technology, and Construction. Wolfgang also has some experience in Retail, Healthcare, and Education.

Which business areas is Wolfgang most experienced in?

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

Which industries has Wolfgang worked in recently?

Wolfgang has recently worked in industries like Manufacturing, Professional Services, and Information Technology.

Which business areas has Wolfgang worked in recently?

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

What is Wolfgang's education?

Wolfgang holds a Bachelor in Business Information Systems from Deggendorf University of Applied Sciences and a Bachelor in Precision Engineering from Munich University of Applied Sciences.

Does Wolfgang have any certificates?

Wolfgang has 1 certificate: MCSE.

What is the availability of Wolfgang?

Wolfgang is immediately available full-time for suitable projects.

What is the rate of Wolfgang?

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

How to hire Wolfgang?

To hire Wolfgang, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

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

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Market avg: 720-880 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.