Wolfgang Dietzinger-Mechanical Engineering Manufacturer, Erding (Part-Time)
Check rate
Experience
Mechanical Engineering Manufacturer, Erding (Part-Time)
- Revamp C++ GUI with MFC
- Effort estimation for migrating the GUI to Qt
Process Automation, Automation Technology Manufacturer, Karlsruhe
- .NET 4.8 / C#, Angular 17, RxJS, IIS, HTML, CSS, unit tests
- Developing and maintaining client-side web applications with Angular
- Maintaining server-side web applications with ASP.NET Framework for an automation technology web application
ETL Process Documentation, Payment Service Provider, Berlin
- .NET 6 / C#, Entity Framework, SQL Server, Kafka client, event-driven architecture
- Documenting message processing for Kafka topics and SQL Server
- Documenting message processing for REST and GraphQL interfaces
- Maintenance and troubleshooting for ongoing operations
Identity Verification, Recruitment Agency, Mannheim
- .NET 6 / C#, Entity Framework, SQL Server, REST, xUnit, Azure DevOps, Blazor Web App, Atlassian Jira/Confluence, Open API/Swagger
- Developing microservice REST APIs for identity verification
- Building a Blazor web frontend for personal data
- Unit testing and deployment
Machine Control, Mechanical Engineering, near Bielefeld
- .NET 6 / C#, MongoDB, REST, xUnit, GitLab, Docker, SkiaSharp, Open API/Swagger, RabbitMQ, event-driven architecture
- Developing microservice REST APIs for machine data and control of a conveyor system
- Processing images with SkiaSharp for defect detection on the conveyor belt
- Unit tests
Mechanical Engineering Order Management, Velbert
- .NET 6/ C#, MS SQL Server, Entity Framework Core 6, REST, xUnit, Gitlab
- Create REST APIs for accessing SQL Server 2019
Measurement Data Management, Ingolstadt
- 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 and Spring Framework, Spring Boot
- Data management with PostgreSQL and JPA repositories
- Migrating the application to MS Azure AKS Kubernetes using Helm charts
- Front end with Angular Material and NgRx store
Backend Analysis of a Mobile Tour Planning App, Düsseldorf
- .NET Core 3.1, C# 8, Entity Framework, Oracle DB, RabbitMQ, SOAP XML
- Analyze a mobile tour planning app and design the backend architecture with RabbitMQ-based message queues
- Determine requirements for replacing the existing backend system and running both in parallel
Extension of a Mobile Tour Planning App, Düsseldorf
- IonicFramework, AngularJS, C#, .NET 4.8, Entity Framework, Newtonsoft JSON, MySql, RealmDb
- Extend a mobile app with ASP.NET JSON web services
- Build the frontend with AngularJS and Ionic
- Create a payment interface
Rebuilding a Price Calculation Sales Database on .NET Core 3.1, Munich
- PostgreSQL, C#, .NET Core 3.1, Entity Framework, Newtonsoft JSON, Docker containers, PHP 7, MongoDB, Vue.js, xUnit, Serilog, Angular with NgxAdmin
- Rebuild a price calculation for the internal sales database from PHP 7 to ASP.NET Core JSON web services
- Migrate the domain model from MongoDB to a PostgreSQL database
- Adapt the admin web application with Vue.js and a .NET Core JSON web service
- Unit tests with xUnit
- Deploy web services as Docker containers
- Convert the Nuxt.js web frontend to Angular with NgxAdmin as a portal solution and create a prototype
Frontend and Backend Architecture, Koblenz
- Node.js, React, Next.js, HTML5, Yarn
- Designing the frontend architecture with React, Next.js and a monorepo using Nx for React components
- Node.js REST web interfaces for front-end development
Refactoring a GIS web application to Angular 9, Munich
- Angular 9, OpenLayers GIS, C#, .NET Core 3, HTML5
- Refactoring a GIS web application from PHP 7 Symfony to Angular 9 and .NET Core 3
- OpenLayers web maps
Risk assessments for banking group, Munich
- C#, .NET 4.7, ASP.NET Razor Pages, HTML5 and jQuery components, Visual Studio 2017, MS SQL Server
- Creating functional enhancements for predictive models and risk assessments for bank clients
- Fixing bugs
- Documentation
Energy production with consumption forecasting and numerical optimization, Dresden
- Azure Cloud, Docker and DB, NestJS, TypeScript, GraphQL, TypeORM, Node.js 12, PostgreSQL, R and numerical optimization, OpenAPI/Swagger
- Designing the system architecture for Docker containers and Microsoft Azure Cloud
- Building web services to collect plant data from energy producers using the NestJS framework in TypeScript
- Creating a data access layer with GraphQL for a web frontend with a PostgreSQL database
- Integrating numerical solvers for consumption forecasting and optimizing operation schedules of electrical plants using R, COINOR and GLPK
Industry 4.0 IIoT machine integration, Dresden
- Operational data collection edge gateways
- Consulting on edge gateway architecture and interfaces
- Market overview of IoT gateways and data interfaces to PLC control systems
Industry 4.0 IIoT Operational Data Collection, Dresden
- Azure Cloud, Docker and DB, C#, .NET Core 2, Visual Studio 2017, Java, Spring Boot, Kafka, MQTT, time series PostgreSQL/TimescaleDB
- Architecture and design of the system for Docker containers and MS Azure Cloud with selection and evaluation of system software
- Developing an application to collect and analyze operational data from packaging machines
- Reading machine messages from Apache Kafka and storing them as time series in PostgreSQL using Spring Boot
- Creating Docker images for Kubernetes clusters
- Creating a database schema for PostgreSQL and TimescaleDB
Test Data Collection in Electronics Manufacturing, Munich
- C#, .NET 4.7, Visual Studio 2017, WPF
- Extending an application to collect and analyze operational data from electronic component manufacturing
- Extending the GUI with WPF
- Analyzing electronic module test results
IoT Portal Prototype, Greater Frankfurt Area
- C#, .NET Core 2, Entity Framework Core 2, Azure Cloud SQL DB / Functions / IoT Hub, Visual Studio 2017, Git, xUnit, Dapper, OpenApi/Swagger
- Creating REST web services for an IoT portal to store device data
- Data storage in Azure SQL DB using Entity Framework Core 2 and Dapper
- Azure Cosmos DB with Gremlin GraphQL prototype
- C# Azure Cloud Functions
- Azure API Gateway for Cloud Functions
- Testing measurement data with MQTT against MS Event Hub and MS Event Grid
- Updating devices in Azure IoT Hub
- Unit testing all functionalities
- GitLab Git version control
- Creating data access from the API Gateway to the database
Energy Consumption Portal, Munich
- C#, ASP.NET Core 2, Entity Framework Core 2, Azure Cloud SQL, Visual Studio 2017, Git, xUnit
- Creating REST web services for an energy consumption portal
- GitHub source control
- Docker containers for Microsoft Azure
Tax Reporting Web Application, Munich
- C#, ASP.NET Core 2, Entity Framework Core 2, Angular 6, CSS, Azure Cloud SQL, Visual Studio 2017, Git
- Developing a web application to capture financial accounting data for tax analyses and reports, using Angular 6 as the web frontend and ASP.NET Core 2 with REST interfaces
- Importing and exporting data in Azure SQL database using .NET Entity Framework Core 2
Sales Portal, Electronics Retailer Ingolstadt
- Spring Boot Framework, Java, Angular 4, CSS, JUnit 4, Docker Container, Ruxit Docker Monitoring, IntelliJ, continuous deployment 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 Rancher cluster
- Troubleshooting and quality assurance in distributed data stores
- Investigating Jenkins build scripts
- Designing customer web app for checkout area
Product Portal for Architects, Lucerne, Switzerland
- C#, ASP.NET MVC 5, Entity Framework 6, jQuery, Bootstrap, VueJs, WCF, VisualStudio 2015
- Creating web pages for product selection for architects and planners with jQuery and VueJs view models
- SOAP client with WCF for product data from SAP system
- Driving the CAD drawing generator to create PDF files
- Product filter for visualizing elevators
- Designing visual product configurator
Payroll for Call Center, Frankfurt
- Visual Studio 2015, ASP.NET MVC 5, Entity Framework 6, jQuery, Bootstrap, Razor Views
- Creating data model and payrolls
- Creating input forms in HTML
Rollout Preparation for Mechanical Engineering Company, Nuremberg and Herzogenaurach
- MS Office 2013
- Part-time project
- Coordinating rollout capacities
- Preparing user help with SharePoint team sites
ALM Portfolio Management for Mechanical Engineering Company, Nuremberg and Herzogenaurach
- TFS 2013, visualstudio.com
- Selecting an ALM solution
- Investigating platforms for mobile device software development and apps
- Planning technical and organizational focus areas for teams worldwide
- Testing software development with Xamarin.Forms for mobile devices - native apps
- Testing software development with ASP.NET, HTML5, TypeScript for mobile devices - hybrid apps
Project management for the implementation of a template system for MS Office for engineering companies, Nuremberg and
- MS Office 2013, MS Project
- Analysis and planning of technical and organizational priorities
- Requirements analysis and scheduling
- Selection process for template system
- Concept/design and pilot
Improving a template generator for MS Word
- 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
Test data for a chemical factory, Roth near Nuremberg
- SQL with Access 2010
- Part-time project
- Extending a small application for recording test and storage data
Full-text search for a web application of a software vendor, Landshut
- 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
Medical technology payment portal, Starnberg
- 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 SEPA backend
- Creating HTML pages with jQuery and PHP server functions for SEPA transactions
- MySQL database
Convert Excel files for a bank in Eschborn
- OMPM converter, C# with .NET 4.5 and batch scripts
- Prepare and execute the project with automation scripts
- Project management for a team of 3 employees
- Convert a large number of Excel files from Excel 2003 to Excel 2010
- Review, correct and test VBA macros for banking applications and financial services in Excel 2003/2010
Computer-aided mammography for a Japanese medical device manufacturer
- C# with .NET 3.5/4.5, WPF, DICOM, WCF, ADO.NET, MS SQL Server/T-SQL, xUnit
- Create a medical device application with WPF graphics for X-ray and mammography images
- Design and implement orthopedic measurements
Web application in food retail, Schwandorf
- C# with .NET 4, ASP.NET MVC 4, MS SQL Server with Entity Framework 4/T-SQL, XML, unit tests
- Develop a web application to manage processes in quality assurance
Document preparation for mechanical engineering, Krones AG, Neutraubling
- C# with .NET 4, Open XML, SQL, XML, WCF, NUnit tests
- Develop a document preparation tool from Word 2010 format to SAP system
- Design and build a WCF web application with load balancing
Data analysis for market research, TNS Infratest, Munich
- C# with .NET 3.5, SQL, XML, Composite Application Blocks, MS unit tests
- Develop statistical reports using an SQL database
Financial Planning and Reporting for Datev AG, Nuremberg
- 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
Medical Image Processing for an International Medical Device Manufacturer, Unterschleissheim
- C# with .NET 3.5, WPF, XML serialization, MS SQL 2005, T-SQL
- Developing an application in the medical technology field with WPF graphics for X-ray images
Test Automation for Automotive Supplier, Vilsbiburg
- 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
- Controlling the test process with individual threads
- Testing the image recognition of product images
- Unit tests with MSTest
- On-site commissioning at the Romanian plant
Data Analysis for Market Research Company, Nuremberg
- C# with .NET 2, WinForms, Reflection API, XML serialization
- Extending the application in the area of graphical interfaces and data analysis for field research for broadcasting
- Creating application commands and command store
- Creating interfaces and data models, data export
- Creating sorting and filtering logic
Feasibility Study of Document Processing for Templates
- Java, OpenOffice
- Analyzing the feasibility of document processing for templates
Infraserv GmbH, Burgkirchen
- C# with .NET 1.1, Oracle database, Winforms, Reflection API, XML and XML Schema, XSLT
- Extending and revising an industrial application for shift and work planning in the area of graphical user interfaces and database connectivity
- Data export with format conversion using XSLT
- Creating a module for database validation with XML configuration
Database import of XML data
- MySQL, Stax XMLReader, Java 1.5
- Reading XML documents for database import
Pharmacy software for MC Lindinger GmbH, Ruhstorf an der Rott
- PostgreSQL 8, Suse Linux, Pascal script, partly Java with Eclipse, XML export, UML sequence diagrams
- Database development for a medical information system for pharmacists
- Application development and maintenance of GUI applications for inventory management with POS and a medical information system for pharmacies
- Design and automation of data preparation and synchronization of medical data for several thousand customer systems
- Remote maintenance of customer systems
- Development of prototypes for reporting with Crystal Reports and Jasper Reports
- XML export of data for archiving and auditing by tax authorities in GDPdU format
- Depicting small program sequences with UML sequence diagrams for documentation
Web application for Evidanza GmbH, Leiblfing
- C#, MS SQL 2000, ADO.NET, ASP.NET on .NET 1.1
- Developing a prototype for a web application in reporting
- Accessing MS SQL Server with ADO.NET
- Calculating and displaying tables and cross tables with ASP.NET
Industry solution for KWP Informationssysteme GmbH, Landshut
- VB.NET, XML DOM on .NET 1.1, Access 2000 with ADO
- Developing GUI and database for a client-side module for an XML web service in the housing sector: processing offers, product catalogs, orders, and invoices for an industry solution in the construction trade
- Developing a module for an incoming invoice ledger with extensions for postings and payments
Database development for convey GmbH, Munich
- MS SQL 2000, Oracle 9, Sybase Anywhere 10
- Database development with in-house IDE
- Application development in HTML and GUI for measurement registration and law firm system with in-house IDE
- Testing applications using manual functional tests and partially automated load tests with JavaScript
Business informatics studies at the Deggendorf University of Applied Sciences
- First part-time computer science program in Bavaria
- Degree as Bachelor of Arts
Webdefender GmbH, Landshut
- Network administration Windows 2000, firewall, internet
- Administration of Windows servers, internet and network, database servers
- User support
Network administrator training
- NT4, Windows networks
- Administration of Windows servers, network protocols
- MCSE exam
- Internship at Deutsche Telekom in Darmstadt
- Internship at Webdefender GmbH in Landshut
Work in Russia
- Project management in plant construction, technical sales
- Work as assistant in 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 selling window hardware and other goods
Project Assistant at BLV Computer Books Publishing, Korschenbroich
- Worked as a project assistant at a computer book publisher
Precision Engineering, Munich University of Applied Sciences
- Graduated with a diploma in precision engineering
Technical High School Pfarrkirchen
- Earned an entrance qualification for universities of applied sciences
Apprenticeship as an Electrical Systems Installer at Wacker Chemie in Burghausen
- Certified by the IHK as an electrical systems installer
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Manufacturing, Information Technology, Construction, Retail, Healthcare, and Education.
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.
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
- 1 year of C++ with MFC
Over 25 years of experience in IT, including 3 years in administration, networks, and firewalls
Customer and employee portals as web applications with backend systems in Java, .NET, Typescript. Measurement and device data in the technical industry and automation technology. Quality and functionality of the applications for your company are my top priorities. I recommend architecture prototypes and Domain Driven Design to design balanced systems and avoid excessive technical effort.
Languages
Education
Deggendorf University of Applied Sciences
Bachelor of Arts in Business Informatics · Business Informatics · Deggendorf, Germany
Munich University of Applied Sciences
Diploma in Precision Engineering · Precision Engineering · Munich, Germany
Pfarrkirchen Technical Secondary School
Technical college entrance qualification · Pfarrkirchen, Germany
Certifications & licenses
MCSE
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
Frequently asked questions
Do you have questions? Here you can find further information.
Where is Wolfgang based?
What languages does Wolfgang speak?
How many years of experience does Wolfgang have?
What roles would Wolfgang be best suited for?
What is Wolfgang's latest experience?
Which industries is Wolfgang most experienced in?
Which business areas is Wolfgang most experienced in?
Which industries has Wolfgang worked in recently?
Which business areas has Wolfgang worked in recently?
What is Wolfgang's education?
Does Wolfgang have any certificates?
What is the availability of Wolfgang?
What is the rate of Wolfgang?
How to hire Wolfgang?
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
Similar Freelancers
Discover other experts with similar qualifications and experience
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Mechanical Engineering Manufacturer, Erding (Part-Time)
Nearby freelancers
Professionals working in or nearby Bruckberg, Germany
Most recent projects
FRATCH works with many companies and recruitment agencies. Here you will find our recently posted projects and opportunities.
