Stefan R.
Software Developer
Experience
Jan 2025 - Present
9 monthsSoftware Developer
- Development of a tool for data entry/evaluation and transmission
- Tasks: design, architecture, implementation, interface development, deployment
- Features: app development (Android, iOS, Windows)
- Language: C#, .NET MAUI
Dec 2022 - Dec 2024
2 years 1 monthSoftware Developer
- Further development of a patient management system
- Tasks: programming, documentation, communication with customers/support/service providers, certification/tests, interface development, data adjustments
- Features: customization and extension programming, SOAP, REST API
- Language: Delphi, Firebird database
Mar 2021 - Jul 2022
1 year 5 monthsSoftware Developer
- Commissioning and support of an international B2B portal (based on a custom shop system)
- Tasks: testing, communication with client/suppliers/subcontractors, programming, data adjustments, data provisioning, monitoring, go-live, administration
- Features: customization and extension programming, REST API, interface coordination
- Language: Delphi, Firebird database
Jan 2019 - Dec 2019
1 yearSoftware Developer
- App as a warehouse scanner with local data storage and transfer for management
- Tasks: design, architecture, implementation
- Features: app development (Android), client implementation: Angular 2+, Cordova, Ionic 2+; TypeScript, HTML5+CSS; VBScript
Jan 2018 - Dec 2020
3 yearsSoftware Developer
- Private project (club member management) focused on client-server architecture, combination of web app and mobile app; authentication
- Tasks: design, architecture, implementation
- Features: REST, OpenID Connect / OAuth 2; server: C# & .NET Core (2.2 & 3); MS SQL Server; clients: JavaScript/TypeScript + Angular 7/8 + Ionic 4; WPF
Jan 2016 - Dec 2018
3 yearsSoftware Developer
- Mobile apps with dynamic content for different service providers; content is available offline but can be updated server-side
- Tasks: planning, architecture, implementation
- Features: client-server architecture, REST, OAuth 2; server: C#, ASP.NET WebApi2; MS SQL Server; client: Angular 2+, Ionic 2+, TypeScript/JavaScript, Bootstrap, HTML5+CSS; app publishing via Apple iTunes Connect & Google Play Console
Jan 2015 - Dec 2021
7 yearsSoftware Developer
- Support, customization and individualization of ERP software Büroware/Webware (requirement gathering, operational support, programming)
- Tasks: consulting, design, implementation, documentation
- Features: CRM, inventory management, financial accounting, cost accounting
Jan 2015 - Dec 2016
2 yearsSoftware Developer
- Extension of a DMS with additional tools and add-ins, e.g.:
- Mail proxy for forwarding emails to the client and at the same time using the following interface to the DMS to archive emails
- Interface for external access to an existing document management system and its use in multiple individual projects
- Tasks: architecture, design, implementation, documentation
- Features: REST, POP3, SMTP (both server and client), HTML, Windows service, client/server modules, SSL, WebKit
- Language: Delphi
Jan 2011 - Dec 2012
2 yearsSoftware Developer
- Framework in the area of business process management – visualization, GUI, internal mapping of process architecture; collaboration with the customer's development team
- Tasks: architecture, design, implementation, documentation
- Features: client-server application with strong modularization and strict separation between the user interface (UI) and core logic; communication: web services, XML
- Language: C#
Jan 2002 - Present
23 years 9 monthsSoftware Developer
- Extension, further development and maintenance of various applications as publishing products focusing on:
- Presentation software for staff training (multimedia, surveys, PDF handling)
- Web portal for development support
- Management of therapy plans
- System for automatic software updates
- Software for creating assessments for teachers
- Evaluation of buildings and real estate
- Tasks: architecture, design, implementation, documentation
- Features: language: Delphi (partly IntraWeb, HTML, XML, Firebird, HTTP, OLE, POP3, SMTP)
Languages
German
NativeEnglish
IntermediateRussian
ElementaryEducation
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Diploma in Engineering · Mechanical Engineering
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