Stefan Steiger is a seasoned Database Specialist based in Basel with 12 years of focused experience managing and optimizing database systems across public sector and enterprise environments. He has progressed from hands-on DBA and consultant roles to leading operations and support teams, and currently supports cantonal IT infrastructure at ITBS Zentrale Informatik Kanton Basel-Stadt. Stefan combines deep Oracle and database administration expertise with practical programming skills, evidenced by meaningful open-source contributions to PdfSharpCore where he fixed encoding, cryptographic, and integration issues in PDF processing. Known for pragmatic problem-solving, he brings both operational discipline and code-level craftsmanship to performance, security and reliability challenges. Trained in commercial information technology (B.A.), he pairs business-aware thinking with technical execution for mission-critical systems.
12 years of coding experience
Bachelor of Arts (B. A.) commercial information technology, Bachelor of Arts (B. A.) commercial information technology at Berufsakademie Lörrach
Port of the PdfSharp library to .NET Core - largely removed GDI+ (only missing GetFontData - which can be replaced with freetype2)
Role in this project:
Back-end Developer
Contributions:127 commits, 127 PRs, 156 pushes in 5 years 4 months
Contributions summary:Stefan primarily contributed to bug fixes and the implementation of features within the PdfSharpCore library, focusing on PDF processing and related functionalities. Their work involved addressing encoding issues, correcting build defines, and fixing implementation errors within the MD5 algorithm, as well as enhancements within the SharpZipLib library. They also made adjustments to the integration with the Stammbaum project, demonstrating a working knowledge of PDF generation and security settings.
Contributions:56 pushes, 1 branch in 3 years 9 months
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