Urs Fleisch
Senior Fullstack-Developer at Federal Office of Meteorology and Climatology MeteoSwiss
Zurich, Zurich, Switzerland
Summary
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RockstarUrs Fleisch is a Senior Fullstack Developer based in Zurich with 23 years of hands-on experience building and maintaining reliable software across public sector and commercial environments. He currently drives full-stack delivery at MeteoSwiss, combining backend systems and user-facing features to support critical meteorological services. Previously at Glutz Access Center he developed durable software for access and security products, bringing long-term product knowledge to system design and maintenance. An active open-source contributor, Urs expanded TagLib’s MP4 and ID3v2 support—adding parsing/rendering for diverse data types and new frames for synchronized lyrics, event timing, podcasts and classical music metadata—showing attention to interoperable media standards. Known for pragmatic engineering and deep protocol-level insight, he often surfaces subtle interoperability fixes that improve long-lived systems.
23 years of coding experience
8 years of employment as a software developer
Github Skills (9)
c-language10
metadata10
mp410
cprogramming-language10
parsing10
file-parsing10
id3v210
file-format10
file-parser10
Programming languages (8)
Github contributions (5)
taglib/taglib
Aug 2011 - Nov 2022
TagLib Audio Meta-Data Library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 releases, 68 reviews, 84 commits in 11 years 4 months
Contributions summary:Urs primarily contributed to the TagLib audio metadata library by adding support for various MP4 metadata atoms. They expanded the library's capabilities by enabling parsing and rendering for a range of new data types, including integers, unsigned integers, long longs, bytes, and boolean values. The user also improved ID3v2 frame support by adding functionality for synchronized lyrics (SYLT), event timing codes (ETCO), and podcast frames (PCST). Furthermore, they introduced new features such as support for classical music frames.
audiotaglib
KDE/kid3
Jan 2003 - Jan 2023
Efficient audio tagger that supports a large variety of file formats
Contributions:2414 commits in 20 years 3 months
audio
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