Experience
Jan 2023 - Dec 2025
3 years
- Integration of a DICOM viewer for visualizing patients' medical images such as CT and MRI scans
- Implementation of a filesystem for storing files in a folder and subfolder structure
- Detection and remediation of security vulnerabilities
- Improvement of code quality and application performance
- Maintenance of client servers
Jan 2021 - Present
4 years 10 months
- Planning and programming of new features
- Client installations
- Evaluation of candidate code
- Optimization and updating of code
Jan 2021 - Dec 2023
3 years
- Development of a Health Level 7 (HL7) module to exchange data between practice software and painPool
- Creation of an API interface for future apps
- Implementation of OAuth2 authentication for clients using Microsoft Exchange services
- Development of a script to diagnose mail sending issues
- Installation and administration of client servers (VPN tunneling, RDPs, various OSes)
- Training and development of employees; evaluation of team performance
Jan 2014 - Dec 2021
8 years
- Development of a cross-browser extension (Chrome, Firefox, Edge)
- Implementation of web, shop, and product search functions based on Motherpipe and Metager interfaces
- Calculation of donations and statistics with cron jobs
- Displaying organizations on an interactive map of Germany with OpenStreetMap and Leaflet
- Generation of DTAUS files to execute transfers
- Creation of code snippets for embedding organizations
- Implementation of a graphical postcard generator
Jan 2013 - Dec 2014
2 years
- Implementation of the OpenID protocol with OpenID-PHP
- Creation and parsing of XML messages for exchange between client and provider
- Application of encryption and signing methods
- Extending the exchange process with options to select shared data for increased user transparency
Jan 2013 - Dec 2014
2 years
- Implementation of the authentication portal using the SAML 2.0 protocol
- Development of the message exchange system with encryption methods and signatures
- Analysis of user relationships using graphs
- Development of a Drupal module for third-party integration
Jan 2012 - Dec 2013
2 years
- Stock server requests and processing of the results
- Creation of charts using jQuery Charts
- Implementation of integrable and configurable modules to display various stock indices
Jan 2009 - Dec 2014
6 years
- Consulting, planning, and programming in IT security, data protection, and identity management
- Development of portals such as CloudID, VR-networld Extranet, and IR-Gate
- Focus on security aspects and data protection
- Clean and well-organized coding
- Use of Scrum
Jan 2008 - Dec 2009
2 years
- Development of platforms such as Sxeen.com and Bestprax.de