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With serverless clouds on the horizon the world moves more towards event-driven choreographies. You can agree that the paradigm shift enables nicely decoupled microservices and is fundamental for decentral data management, however, you should not agree with an event purism using event chains for complex end-to-end logic crossing service boundaries. Bernd and Martin will share with you how transforming certain events to commands decreases coupling and demonstrate how you can keep sight of the larger-scale flow fulfilling the original business goal without ending up with "god services".
Bernd and Martin will discuss how lightweight, embeddable state machines can live in harmony with an event-driven paradigm and the idea of decentral governance. Based on their real-life experiences, they will share how they handle complex flows which require proper reactions on errors, timeouts and compensating actions and provide guidance backed by code examples to illustrate alternative approaches.
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For over a decade Martin has been working in complex domains like energy trading, telecommunication or wind tunnel organization. As a coder, he has had a soft spot for readable and testable APIs and enjoys working with sophisticated but lean state machines and process engines. As a domain coder, he is into Domain-Driven Design and integrates methods which shift his focus from technology to the user value of what he does. Martin is a contributor to several projects on GitHub and speaks at meetups and conferences like ExploreDDD, O'Reilly and KanDDDinsky.
Throughout Bernd's 15+ years in software development, he has helped automating highly scalable core workflows at global companies including T-Mobile, Lufthansa and Zalando. Bernd has contributed to various open source workflow engines. He is co-founder and developer advocate of Camunda, an open source software company reinventing workflow automation. He co-authored "Real-Life BPMN," a popular book about workflow modeling and automation. He regularly speaks at conferences and write for various magazines. Bernd is currently focused on new workflow automation paradigms that fit into modern architectures around distributed systems, microservices, domain-driven design, event-driven architecture and reactive systems.