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You should be familiar with basic Scala syntax and have a basic understanding of the actor model with Akka. Event Sourcing (ES) is a way of persisting a system state by retaining all the events that led up to form the current state of the system.
Command Query Responsibility Segregation (CQRS) is a principle that separates the handling of command input within a system from queries (that don’t alter the system state – side effect free).
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Time travelling in distributed software systems
Bogdan Roman
Bogdan is a Software Engineer at Endava, primarily focused on JVM based languages and technologies. He is involved in most of the technical aspects of software engineering, from design, development and quality assurance, to infrastructure, configuration and release management. His area of expertise includes developing systems for banking and payments industries.