I have been the backend Chapter Lead of the Vodafone's Digital eXperience Layer, a Kubernetes-based  middleware.

During my time there, I introduced new technologies and restructured the DXL in a way that would prove to be 60% more efficient in terms of resources and raw performance of Microservices. Using the DXL, user operations from the mobile and web app that originally took 10+ seconds now only require a few miliseconds.

For this I had to lead the rewrite of the entire infrastructure with which the team developed Microservices, and set up new company processed and a new software architecture.

Now the DXL counts 30 developers.

Worldwide Recognition

Why Vodafone Greece Devs Migrated to Red Hat’s Quarkus - InformationWeek
Changing gears to another framework helped reduce boot times and resource usage, especially during traffic spikes.
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Vodafone Greece replaces Spring Boot with Quarkus
Quarkus: Supersonic Subatomic Java