Building a New Microservice
Architecting Scalable Infrastructure
Designing a Backend System
Architected from scratch a microservices based system - ASP.Net 5 APIs in the backend, React JS for the front-end web app, Docker and Azure Kubernetes Service for deployment. 

I am also planning to develop Power apps for some internal apps consuming these APIs.

It is and enjoying exercise and I have learned quite a lot about Cloud native applications, The 12-factor app, Beyond 12-factor, Distributed systems, observability and so many things.