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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.

CloudMapper: An AWS Visualisation Tool

CloudMapper is an AWS visualisation tool that's highly useful for getting an overview of your AWS infrastructure and network setup. Depending on the number of services, instances, VPCs, and subnets used, getting lost is quite easy, especially when considering that out-of-the-box with AWS there's no single unified console from which to get an overview of your deployed resources but rather a multitude of consoles, one for each AWS service. Therefore, keeping track of your infrastructure and keeping your costs in check can be ...

Year 1

March 7, 2021 by Bjoern in General

Managing Permissions with IAM – Sample From “Stratospheric – From Zero to Production with Spring Boot and AWS”

The following is an excerpt from the chapter on "Managing Permissions with IAM" from the eBook "Stratospheric – From Zero to Production with Spring Boot and AWS" I'm currently writing together with Tom Hombergs and Philip Riecks. You can get the eBook over at Leanpub. Managing Permissions with IAM When deploying applications to a cloud service such as AWS, reliable security concepts are key. After all, we not only want to protect our users' data but also make sure that security within our organization ...

January 10, 2021 by Bjoern in General

2020 in Review

May you live in interesting times. - claimed to be a translation of a traditional Chinese curse - Usually I refrain from writing one of those end-of-the-year reviews because they often amount to little more than self-involved navel-gazing (been there, done that ...). However, 2020 was a truly interesting, extraordinary and in many ways remarkable year. So, here goes, navel-gazing and all ... In December 2019 (or thereabouts) what we today know as COVID-19 or the Coronavirus pandemic started to spread causing a global crisis ...

December 20, 2020 by Bjoern in Business, General

Emergency Remote – A Guide to “Winning” Remote Work

These days, there's certainly no shortage of remote work guides, how-tos and tools - and rightfully so: Remote work has made sense since before 2020 and in the future it'll be the new default for many industries. Emergency Remote is another more recent take on how to quickly implement a productive remote work environment that focuses on actionable measures with immediate benefits and using the changes required as an opportunity for improving your company's overall processes and work environment: Emergency Remote is for ...

August 9, 2020 by Bjoern in General

Repost from 16 June 2020: COVID-19 Tracing App for Germany

Repost from 16 June 2020: German COVID-19 tracing app available now.

June 28, 2020 by Bjoern in Enterprise Software, General, Mobile Applications, Software

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 ...

June 16, 2020 by Bjoern in Enterprise Software, General, Mobile Applications, Software

Björn Wilmsmann