Http: Strong http concepts and lifecycle
HTML: Strong HTML 5 knowledge
Strong relational database skills; MS SQL Server, modeling, querying, stored procedures and functions.
.NET: .NET Core 2.x, Asp.NET Core, C# TPL, ORM, WebApi.
Messaging; preferred RabbitMQ.
Knowledge about any DMS
Good experience in concurrency and Performance; DB-level, Language-level, Back-End level, App-Level, Service-Level, Web-Level, Caching techniques and technologies.
Microservices Architecture: Strong knowledge of the principles; API gateways, Service Registry and Discovery, Circuit breakers, IPC, Transactions and Aggregation techniques, PaaS etc.