Building up a highly scalable SaaS based POS system. The modernization of the architecture and the application was done with the perspective to make the application highly scalable and to support horizontal and vertical scaling which was not supported in the current architecture.
Introduced API gateway with an Authentication layer in order to increase the
scalability and standardization of the services.
Containerisation of the application and making it microservices, in order to achieve
higher throughput and performance.
Introduced a more optimised arrangement of messaging queue system to handle
the traffic and messages efficiently.
Refactoring of the code at a higher degree to support the new architecture changes and to bind to the constraints of using all native services of AWS.
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