Job Description :
Core
o Java
o SQL
o AWS
Back-end
o Spring (MVC)
Databases
o MongoDB
o SQL Server
Client side
o JavaScript with strong HTML/CSS experience
o Angular 1.7 and higher versions

And the following are more specific technologies under the more broad skills above:
REST web services
JDBC
MongoDB (CRUD and Aggregation) API
AWS SDK - including Lambda and API gateway