C# .NET Core WebAPI Microservices Azure design/implementation

Salesforce AWS Cloud SQL NOSQL Connect

Java API development Kafka SQL Database NoSQL Databases

AWS ETL Spark SQL NoSQL

Core Java J2EE Servlets Web services Spring MVC

Spring Framework Spring Core MVC IOC Boot

Java concepts Spring and Spring boot Persistance and ORM RDBMS SQL

hadoop ecosystem google bigquery puppet Hive Google pub-sub