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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.

RxJS: Observables, Observers, Subjects …

When developing web applications - or in fact any kind of application that involves interaction via a user interface - we inevitably have to deal with asynchronous events, perhaps even streams of such events, e.g.: mouse clicks asynchronous HTTP calls and subsequent display of data push notifications Because events are such an essential part of both the feature set and the user experience of many, if not even most, user-facing applications frameworks such as Angular treat them as first-class citizens and provide developers with ...

Recommendation: The Freelancer’s Show

If, like me, you're an independent consultant or freelancer I can highly recommend the podcast The Freelancer's Show, which is about the business of consulting and freelancing in the IT / software development industry. More than 300 episodes in it covers a wide range of subjects that are vital if you want to run a successful and sustainable software consulting business. Some of the questions the show tries to answer or at least help the listeners with are: How do I position myself? How ...

Sunday August 26th, 2018 by Bjoern in Business, Entrepreneurship

Things to Consider When Creating a New Business App: A Checklist for Setting up a Java-Based Software Architecture

Software developer Tom Hombergs - a former fellow student of mine - published this useful checklist for setting up Java applications on Reflectoring: A Checklist for setting up a Java-based Software Architecture It covers a wide array of both high and low level aspects of server-side and client-side development as well as architectural concerns. Furthermore, the checklist also has sections on operations, the development process and testing in particular. While some of the details may vary depending on the type of applications you create, ...

Sunday August 19th, 2018 by Bjoern in Enterprise Software, Software

JSON Schema to TypeScript declarations: Keeping Client and Server Models in Sync with Spring Data REST and Typescript

With web applications a separation between client and server is commonplace nowadays: While the server (also often called back-end) deals with the underlying model, data storage and the predominant part of the business logic, the user interface and user-facing behaviour in general is realised with JavaScript, HTML and CSS on the client (also referred to as front-end), i.e. the user's browser. Frequently, frameworks such as Angular are used in order to facilitate development and make code easier to read and generally more ...

Sunday August 12th, 2018 by Bjoern in Enterprise Software, Front End Development, Software, Web Applications