Shivansh Srivastava is a skilled developer who contributes to various open-source projects like Apache Iota, Apache Spark, and Couchbase-Spark-Connector, among others. He currently works at Chirpanywhere Inc, an IoT startup where he oversees multiple aspects of software development, including hardware programming and solution deployment. The article discusses the challenges of choosing the right NoSQL database for an application and provides a solution using Couchbase to transfer data from Cassandra, highlighting the importance of configuration and authentication settings.