my blog. for you.

Let’s talk digital.

I’m an independent IT consultant and entrepreneur in the Internet and software business. I’m interested in design, enterprise applications, web apps and SaaS products. I design and develop business solutions and applications. I help companies in terms of software quality and knowledge transfer, e.g. with Angular and Spring Boot.

Lösung für die COVID-19 Pandemie: Schnelltests als Zugangsberechtigung

Sorry, this entry is only available in Deutsch.Contrary to my usual writing habits the remainder of this post will be in German. The reason for this is that although the subject most certainly is of interest to everyone the specifics of the solution outlined in the following mostly apply to the current COVID-19 situation in Germany and my personal experience with that situation. The article therefore is mostly relevant to a German audience. If you're interested in discussing the potential for ...
Thursday February 18th, 2021 by Bjoern in Design, Entrepreneurship, Mobile Applications, Software, Web Applications
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Repost from 16 June 2020: COVID-19 Tracing App for Germany

Repost from 16 June 2020: German COVID-19 tracing app available now.
Sunday June 28th, 2020 by Bjoern in Enterprise Software, General, Mobile Applications, Software
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German COVID-19 Tracing App Available Now

Earlier today, the highly anticipated COVID-19 tracing app for Germany, called Corona-Warn-App, has been released. The iOS version is available on the App Store. The Android version can be downloaded at Google Play. The Corona-Warn-App is based on the DP3T (Decentralized Privacy-Preserving Proximity Tracing) architecture and the joint specification by Apple and Google for privacy-preserving exposure notification, which implements this architecture as an API for official public health providers to draw upon. The app is developed and published as open source under the Apache ...
Tuesday June 16th, 2020 by Bjoern in Enterprise Software, General, Mobile Applications, Software
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Reprise: Petro Salema – Storyteller Extraordinaire

Almost five years ago I wrote about a talk given by Petro Salema at that year's edition of beyond tellerrand in Düsseldorf: Petro Salema – Designing Interfaces That Think @ beyond tellerrand Düssedorf 2015 A common advice given regarding talks and presentations, especially ones of a more technical variety, is to not just talk about technical details but to tell a story. While this piece of advice is good and well-intentioned it's not usually exemplified or specified in any more detail. Steve Jobs is ...
Sunday April 12th, 2020 by Bjoern in Design, Entrepreneurship, Mobile Applications, Software, Web, Web Applications
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Zoltan Kollin: Misused mobile UX patterns

Zoltan Kollin, UX designer, co-organizer of the Amuse UX Conference and co-author of UX Myths (another highly recommendable collection of user experience tips and guidelines) recently wrote a post about misused mobile UX patterns. We've seen it all on the mobile platform of our choice: icons whose meaning is hard to guess the dreaded hamburger menu and hidden screens inconsistent gestures and features that are hidden behind them Zoltan mentions those and a few more bad practices, explains why they're bad and gives examples of better ...
Sunday December 20th, 2015 by Bjoern in Design, Front End Development, Mobile Applications, Web Applications
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Toby Shapshak: You don’t need an app for that

In a 2013 TED talk South African writer Toby Shapshak talks about innovation out of necessity and how entrepreneurs in Africa are solving real-world problems for both their own continent and the world as a whole:
Sunday October 11th, 2015 by Bjoern in Entrepreneurship, Mobile Applications, Web
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Petro Salema – Designing Interfaces That Think @ beyond tellerrand Düssedorf 2015

Earlier this year at beyond tellerrand Düsseldorf 2015 I had the privilege to attend a talk by Petro Salema. Petro shared his insights about today's limits in human computer interaction, attention span, mental bandwidth and how to address these issues. While the subject matter itself is interesting enough already I've never personally witnessed such rivetting storytelling before. He started his talk with a captivating story from his home country Tanzania about Bwakila, a machete-wielding madmen. This story nicely set the ground for the ...
Sunday August 16th, 2015 by Bjoern in Design, Entrepreneurship, Mobile Applications, Software, Web, Web Applications
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Impulse – Dynamic Physics Animations For The Mobile Web

Impulse is a promising new JavaScript animation framework for mobile websites. The animations generated with Impulse look very smooth and natural. Very impressive work. Go check out the examples page for a first glimpse.
Sunday October 26th, 2014 by Bjoern in Design, Mobile Applications, Web Applications
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