David Henningsson
Software developer, musician
Lund, Sweden
Tech skills
Delphi, C, Linux audio stack
Guru (5+ years exp.)
Git, Rust, SQL, Network
Really well (2 - 5 years exp.)
Node.js, Javascript frontend, Debian/Ubuntu packaging
Proficient (1 - 2 years exp.)
Software development
Experience
| Canonical | 2010 - 2016 | Maintenance and improvement of Ubuntu's audio stack. Audio hardware enablement, improving kernel drivers to make new laptops and desktops work in Ubuntu. |
| Trivector | 1999 - 2010, 2016 - present | Writing and designing software for displaying information on bus stop signs, including dispatch of such information, layout, monitoring, UI for administration, and much more. |
Open source
| PulseAudio | contributions | The sound server in most modern Linux distributions. As part of my work for Canonical, I was a core developer for several years. |
| Linux kernel | contributions | Mostly work in the HD Audio sound driver subsystem. |
| ALSA library | contributions | The ALSA library is an essential part of the Linux sound stack. |
| Fluidsynth | contributions | This software synthesizer was my first bigger experience with open source development. |
I also maintain Rust bindings to D-Bus and ALSA.
Education
I have a Bachelor's degree in Computer Science, Lund University, 2008.
Downloads
Some old hobby projects:
| The Blob game | Windows Ubuntu | A 2D platformer: jump over obstacles, match keys with keyholes, watch out for dangers, and explore the seven levels that this game offers. |
| Spaceinfo | Windows | Visualizes disk usage. |
Music
Experience
| Solviks folkhögskola | 2002 - 2003 | One year of full time Gospel piano studies, including a lot of live piano performances. |
| Torn Gospel | 2012 - present | Pianist at concerts and ceremonies. |
| Candéla gospel, Trelleborg | 2016 - present | Choirmaster, pianist |
| Helgeands Gospelkör | 2013 - present | Pianist at concerts and ceremonies. Choirmaster for two years (shared leadership). |
| Gospel Joy, Furulund | 1999 - 2010 | Pianist at concerts and ceremonies. |
Videos
A list of Youtube videos of me performing can be found here.
Downloads
| Fyra flinka | mp3 ogg | Four handed piano piece, with some ragtime inspiration. |
| Dreams of JV | mp3 ogg | Soft and melodic synth music. |
| Nintendo adventures | mp3 | Chip music that won a competition at a local demoscene party in 1999. |