Sebastian
(he/him)Co-Lead at Eurosky
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Career: 5
Co-Lead
Eurosky
May 2025 - Present
Co-Lead
Eurosky
CEO
Birdsong Apps GmbH
Berlin, Berlin, Deutschland
Jan 2025 - Present
CEO
Birdsong Apps GmbH
Berlin, Berlin, Deutschland
Freelancer
-
Berlin und Umgebung, Deutschland
Sep 2007 - Present
Freelancer
-
Berlin und Umgebung, Deutschland
M.-Sc. Working Student
Morgen Studios
Berlin, Germany
Feb 2007 - Aug 2007
M.-Sc. Working Student
Morgen Studios
Berlin, Germany
Working Student (M.Sc.)
Software-Development & Systemadministration
Institute for Mathematical Stochastics
Göttingen, Germany
Jun 2001 - Jul 2005
Software-Development & Systemadministration
Institute for Mathematical Stochastics
Göttingen, Germany
Software Development & System-Administration
Education: 1
Georg-August-Universität Göttingen
M.Sc.
2001 - 2007
Georg-August-Universität Göttingen
M.Sc.
Projects: 34
Skeets for Bluesky
May 2023 - Present
Skeets for Bluesky
Native Bluesky client for iOS / iPad Features: - Bookmarks - Drafts - Mute Words - Rich Push Notifications - Hashtags - Alt-Text Generator - Accessibility / VoiceOver Support https://www.skeetsapp.com
MotionTag iOS App
motion-tag.com
Jun 2016 - Present
MotionTag iOS App
motion-tag.com
iOS App for Mobility Analytics and Seamless Ticketing.
FontBook iOS App
fontbook.com
Jun 2016 - Present
FontBook iOS App
fontbook.com
Weiterentwicklung der iOS App.
Cartier AR iOS App
May 2016 - Present
Cartier AR iOS App
Augmented Reality app (internal) that would display several locations of a Cartier summit in Berlin.
DFB #JederFuerJeden iOS App
apprime.de/dfb-die-mannschaft-jeder-fuer-jeden-app-online-game/
May 2016 - Present
DFB #JederFuerJeden iOS App
apprime.de/dfb-die-mannschaft-jeder-fuer-jeden-app-online-game/
Unterstützende Entwicklung.
Talents Connect
talentsconnect.com
Sep 2015 - Present
Talents Connect
talentsconnect.com
Consulting for Talent Connect's iOS app
Solarkiosk - Custom Project Management Software
solarkiosk.eu
May 2015 - Present
Solarkiosk - Custom Project Management Software
solarkiosk.eu
Internal project management tool based on Ruby on Rails.
visitBerlin iOS App
itunes.apple.com/de/app/id964438630
Oct 2014 - Present
visitBerlin iOS App
itunes.apple.com/de/app/id964438630
Unterstützende Entwicklung.
Modalyzer iOS App
modalyzer.com
Jul 2014 - Present
Modalyzer iOS App
modalyzer.com
A mobility tracking app.
SanKyu
sankyu.com
Feb 2013 - Present
SanKyu
sankyu.com
System Architecture & Software Development, Interface Design Technologies: Ruby on Rails, Reddis, HTML 5
Friends' Events for Facebook iPhone App
itunes.apple.com/us/app/friends-events-for-facebook/id494982353?mt=8
May 2011 - Present
Friends' Events for Facebook iPhone App
itunes.apple.com/us/app/friends-events-for-facebook/id494982353?mt=8
iPhone App that displays all events that your friends will be attending in the near future. Technologies: Objective-C, iOS, Facebook Integration
Hypercharge PCI-Certified Payment Gateway (Ruby on Rails)
a1m.biz
Jan 2010 - Present
Hypercharge PCI-Certified Payment Gateway (Ruby on Rails)
a1m.biz
A modern, agile payment gateway based on ruby on rails technology. The secure bridge between your E-Commerce Web site and the credit card processing networks. PCI DSS certified by Visa and Mastercard. Complete System Architecture & Software Development of the Hypercharge Payment Gateway, Interface Design Technologies: Ruby on Rails, Reddis, HTML 5
Quirion iOS App
quirion.de
Oct 2016 - Sep 2017
Quirion iOS App
quirion.de
iOS Banking / Robo Advisor App.
Tungsten iOS App
tungstenapp.com
Sep 2016 - Jan 2017
Tungsten iOS App
tungstenapp.com
Secure messaging iOS App. Unterstützende Entwicklung.
iNamnese iOS App & Backend
devicon.de/inamnese/
Aug 2015 - Mar 2016
iNamnese iOS App & Backend
devicon.de/inamnese/
Backend in Ruby on Rails zur dynamischen Erstellung von Anamnese Formularen in versch. Sprachen, inkl. digitaler Signierung. iOS App zur Darstellung/Ausfüllen der Formulare durch den Patienten.
Simfy next iOS App
itunes.apple.com/de/app/simfy-next/id600461545?l=en&mt=8
Apr 2013 - Jan 2016
Simfy next iOS App
itunes.apple.com/de/app/simfy-next/id600461545?l=en&mt=8
iOS App Technologies: ObjectiveC, iOS
Zalando iPhone App
itunes.apple.com/de/app/zalando-mobile/id585629514
Jan 2012 - Aug 2013
Zalando iPhone App
itunes.apple.com/de/app/zalando-mobile/id585629514
Concept, design and implementation/programming of Zalando's iPhone App https://itunes.apple.com/de/app/zalando-mobile/id585629514
Wall AG - bluespot City Info iPhone/iPad App
itunes.apple.com/app/bluespot-city-info/id560122086#
Jun 2012 - Sep 2012
Wall AG - bluespot City Info iPhone/iPad App
itunes.apple.com/app/bluespot-city-info/id560122086#
Backend, iPhone App Technologies: Ruby on Rails, ObjectiveC, iOS
MAN IAA 2012 iPhone App
itunes.apple.com/us/app/man-iaa-2012/id561002434?ls=1&mt=8
May 2012 - Aug 2012
MAN IAA 2012 iPhone App
itunes.apple.com/us/app/man-iaa-2012/id561002434?ls=1&mt=8
Backend, iPhone App, Interface Design Technologies: Ruby on Rails, ObjectiveC, iOS, Augmented Reality
KaDeWe iPhone App
itunes.apple.com/de/app/kadewe-app/id508772555?mt=8
Dec 2011 - Mar 2012
KaDeWe iPhone App
itunes.apple.com/de/app/kadewe-app/id508772555?mt=8
iPhone App for the KaDeWe Berlin. Technologies: ObjectiveC, iOS
Raceunion iPhone App
itunes.apple.com/us/app/raceunion/id437234607?ls=1&mt=8
Dec 2011 - Jan 2012
Raceunion iPhone App
itunes.apple.com/us/app/raceunion/id437234607?ls=1&mt=8
Backend, iPhone App Technologies: Ruby on Rails, ObjectiveC, iOS
PicTrip iPhone App
itunes.apple.com/de/app/pictrip/id470563161?mt=8
Oct 2011
PicTrip iPhone App
itunes.apple.com/de/app/pictrip/id470563161?mt=8
iPhone App that lets you create rapid slideshows. Technologies: Objective-C, iOS
Oncology Guideline iPhone & Android App
itunes.apple.com/de/app/leitlinien-onkologie/id453786520?mt=8
Jun 2011 - Jul 2011
Oncology Guideline iPhone & Android App
itunes.apple.com/de/app/leitlinien-onkologie/id453786520?mt=8
Backend, iPhone & Android App for the German Cancer Association Technologies: Backend, iPhone App, Android App, Interface Design
eMerchantPay E-Wallet
Feb 2011 - Jun 2011
eMerchantPay E-Wallet
FSA-certified E-Wallet solution for the PSP eMerchantPay Web-App (Ruby on Rails), Interface Design Technologies: Ruby on Rails, HTML 5, Reddis, Hypercharge Integration, Postgres
teNeues Cool City Guides iPhone & iPad Apps
itunes.apple.com/de/artist/teneues-digital-media-gmbh/id429952977
Jan 2011 - May 2011
teNeues Cool City Guides iPhone & iPad Apps
itunes.apple.com/de/artist/teneues-digital-media-gmbh/id429952977
Backend, iPhone/iPad Apps Technologies: Ruby on Rails, Objective-C, iOS
Stylebop iPhone App
itunes.apple.com/us/app/stylebop-shopping-app/id432512739?mt=8
Feb 2011 - Apr 2011
Stylebop iPhone App
itunes.apple.com/us/app/stylebop-shopping-app/id432512739?mt=8
iPhone App, Interface Design Technologies: Objective-C, iOS
MAN Truck & Bus iPhone App
itunes.apple.com/us/app/man-truck-bus/id436123140?mt=8
Jan 2011 - Apr 2011
MAN Truck & Bus iPhone App
itunes.apple.com/us/app/man-truck-bus/id436123140?mt=8
Backend, iPhone App, Interface Design Technologies: Ruby on Rails, ObjectiveC, iOS
MAN Truck & Bus iPad App
itunes.apple.com/us/app/man-truck-bus-hd/id436814342?mt=8
Jan 2011 - Apr 2011
MAN Truck & Bus iPad App
itunes.apple.com/us/app/man-truck-bus-hd/id436814342?mt=8
Backend, iPhone App, iPad App (HD), Interface Design Technologies: Ruby on Rails, ObjectiveC, iOS
Viessmann Mobile Web App
m.viessmann.de
Feb 2011
Viessmann Mobile Web App
m.viessmann.de
Backend, Mobile Web-App, Interface Design Technologies: Ruby on Rails, HTML5
MAN IAA iPhone App 2010 - Backend
Jun 2010 - Jul 2010
MAN IAA iPhone App 2010 - Backend
Backend, Mobile Web-App, Interface Design Technologies: Ruby on Rails, HTML 5
Samsung Erfolgswelle
2010 - May 2010
Samsung Erfolgswelle
Web-App Technologies: Ruby on Rails, HTML 5, Salesforce Integration
Entega - “Rettet den Schneemann”
Dec 2009 - Jan 2010
Entega - “Rettet den Schneemann”
Web-App Technologies: Ruby on Rails, HTML 5, Facebook/YouTube/Twitter Integration
VeeQue
veeque.biz/veeque.html
Jun 2009 - Dec 2009
VeeQue
veeque.biz/veeque.html
System Architecture & Software Development of the VeeQue System, Interface Design Technologies: Ruby on Rails, Quicktime C API, AMQP, Rabbit MQ
DOUBLE STANDARDS Website
doublestandards.net
