Stefan Rantzuch
Developer
Experience
Developer
Meßinger & Rantzuch GbR
- Development of a tool for data entry/analysis and transmission
- Planning, architecture, implementation, interface development, deployment
- App development (Android, iOS, Windows)
- Language: C#, .NET MAUI
Developer
Meßinger & Rantzuch GbR
- Further development of a patient management system
- Programming, documentation, communication with clients/support/service providers, certification/tests, interface development, data adjustments
- Customization and extension programming, SOAP, REST API
- Language: Delphi, Firebird database
Developer
Meßinger & Rantzuch GbR
- Setup and support of an international B2B portal (based on a custom shop system)
- Testing, communication with client/supplier/subcontractor, programming, data adjustments, data provisioning, monitoring, commissioning, administration
- Customization and extension programming, REST API, interface coordination
- Language: Delphi, Firebird database
Developer
Meßinger & Rantzuch GbR
- App as a warehouse scanner with local data storage and transfer for management
- Planning, architecture, implementation
- App development (Android)
- Client implementation: Angular 2+, Cordova, Ionic 2+; TypeScript, HTML5, CSS; VBScript
Developer
Meßinger & Rantzuch GbR
- Private project (club member management) focused on client-server architecture, combining web app and mobile app; authentication
- Planning, architecture, implementation
- REST, OpenID Connect / OAuth 2
- Server: C# and .NET Core (2.2 & 3); MS SQL Server
- Clients: JavaScript/TypeScript + Angular 7/8 + Ionic 4; WPF
Developer
Meßinger & Rantzuch GbR
- Mobile apps with dynamic content for various service providers; content is available offline and can be updated on the server side
- Design, architecture, implementation
- Client-server architecture, REST, OAuth 2
- Server: C#, ASP.NET Web API 2; MS SQL Server
- Client: Angular 2+, Ionic 2+, TypeScript/JavaScript, Bootstrap, HTML5, CSS
- Publishing apps via Apple iTunes Connect & Google Play Console
Developer
Meßinger & Rantzuch GbR
- Maintenance, adjustments, and customizations of the Büroware/Webware ERP software (requirements gathering, ongoing support, programming)
- Consulting, design, implementation, documentation
- CRM, inventory management, financial accounting, cost accounting
Developer
Meßinger & Rantzuch GbR
- Extending a DMS with extra tools and add-ins, e.g. a mail proxy to forward emails to the client while using the DMS interface to archive emails; interface for external access to an existing document management system
- Architecture, design, implementation, documentation
- REST, POP3, SMTP (server and client); HTML; Windows service; client/server modules, SSL, WebKit
- Language: Delphi
Developer
Meßinger & Rantzuch GbR
- Framework in the field of business process management – visualization, GUI, internal mapping of the process architecture
- Collaboration with the customer's development team
- Architecture, design, implementation, documentation
- Client-server application with strong modularization and strict separation between user interface and business logic; communication: web services, XML
- Language: C#
Developer
Meßinger & Rantzuch GbR
- Extension, further development, and maintenance of various applications as publishing products with a focus on:
- Presentation software for employee training (multimedia, surveys, PDF handling)
- Web portal for development support
- Management of therapy plans
- System for automatic software updates
- Software for creating teacher assessments
- Valuation of buildings and land
- Architecture, design, implementation, documentation
- Language: Delphi (partly IntraWeb, HTML, XML, Firebird, HTTP, OLE, POP3, SMTP)
Skills
Software Development (Focus: Development, Architecture, Design, Analysis; Also: Consulting, Testing, Documentation)
Project Management
Network Administration On Windows Server, Windows Clients, Peripheral Integration And Network Infrastructure
Operating Systems: Focus On Ms Windows And Windows Server (All Versions), Secondary Linux
Programming Languages (Focus): C#, Delphi/pascal, Typescript/javascript, Html, Css, Xml, Sql
Programming Languages (Secondary): Vba, Visual Basic, Vb.net, Php
Frameworks: .Net Maui, Xamarin, Angular 2+, Ionic 2+, Cordova
Environments: Ms Visual Studio, Delphi/rad Studio, Visual Studio Code
Devops: Azure Devops, Atlassian Suite, Github
Version Control: Git, Azure Devops / Tfs, Mercurial
Databases: Firebird, Ms Sql Server, Mysql, Access, Bde/dbexpress
Business Solutions: Erp Systems (E.g. Softengine Büroware) – Planning, Configuration, Customizations/industry Solutions
Web Solutions: Content Management Systems (Wordpress, Joomla), Online Shops (Gambio)
Communication: Rest, Tcp/ip, Ssl, Smtp, Pop3, Ftp, Http, Soap
Hardware: Pcs (Configuration, Peripherals), Networks (Servers, Routers, Lan, Wlan, Wan, Vpn)
Industries: It (Hardware, It, Internet, Multimedia)
Industries: Retail (B2b, B2c, Logistics, Foreign Trade)
Industries: Real Estate
Industries: Media/publications
Industries: Business Administration
Industries: Natural And Engineering Sciences
Industries: Healthcare
Industries: Education
Industries: Public Administration
Languages
Education
Diploma in Engineering · Mechanical Engineering
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