David Leitner

David  Leitner

David Leitner

About David

David Leitner is an Enthusiastic Software Professional from Vienna who is working in various projects using a bunch of different stacks and environments. He spends much of his time on the frontlines tackling the challenges of scaling software and complex domains. A software engineer with more than 10 years’ experience preferring his code simple and small instead of clever and edgy. David enjoys sharing his knowledge as speaker at conferences and as a lecturer for his post-diploma courses at the University of Applied Sciences Technikum Vienna.

Rethinking Reactive Architectures

Modern software architectures are amidst a paradigm shift — more and more software landscapes are built upon asynchronous and reactive patterns. This movement is understandable, as it takes scalability, resilience, and real-time integration to an elusive new level. Unfortunately, we observe that many new customer projects only use parts of this paradigm shift sensibly. Thus, they often end up with an only partially reactive architecture that introduces a lot of new complexity without allowing us to utilize the full potential of reactivity. In this talk we will focus on the reactive paradigm's central concepts, core ideas, and the corresponding manifest and make them understandable. Based on this knowledge, we will go into detail by mapping it to concrete patterns, like event-centric persistence, the concept of hydrations or projections, and the shift of creating systems in a fully push-based design from end-to-end. Upon a closer look at the advantages and challenges we've experienced in customer projects, it turns out that reactive architecture is not a silver bullet either. Rather, they are suited for a specific set of problems. In a nutshell, reactive architectures can be a game-changing tool to build cloud-native, highly responsive, and resilient applications. This talk will give you the needed knowledge to decide if it's the right one for the job.


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