My areas primarily are interested, persistence, scalability. Cloud Optimized application.
Mainly I'm working on the architecture and implementation.
I use both Windows and Linux. My main programming language is C #. However, ruby, python, also Java I use.
In the upcoming project, I provided a polyglot persistence architecture to customers. And I am offering consulting and technical support of the customer. Also, I focus on the security domain and I am building a cloud-native secure architecture using Azure AD, KeyVault, Network Security. 
I organize user community (JAZUG) and spread Azure's information to Japan.