Devel
oped a scalable microservices-based system for buying and selling tickets, allowing users to reserve tickets
for a limited time before automatic order expiration. Implemented services for authentication, tickets,
orders, payments, and expiration. Utilized Skaffold to streamline local Kubernetes development. Applied
optimistic concurrency control to ensure data consistency across distributed services. Automated testing
with Jest and CI pipelines via GitHub Actions. Published a shared NPM package for reusable logic across
services.