Apache Solr

• It uses the Lucene library for indexing and search and can be used for full-text search, spell correction, and relevance-ranked search results.
• Implementation of Apache Solr Search Engine to index and search documents for specific use-cases

Memcached 

• Memcached is used for improving Web API performance, as static and frequently requested data is stored in Memcached
• Implemented distributed memory caching system to speed up dynamic web applications. This reduced data retrieval time drastically

Cassandra

• Apache Cassandra is a NoSQL database that provides high availability, is scalable, and has strong fault tolerance
• Implemented data-models in Cassandra to store large amount of high throughput data which later can be used for analytics

Apache Kafka:

• Apache Kafka is a distributed streaming platform to handle real-time data feeds, thus ideal for building real-time data pipelines and streaming applications.

Implemented POC for specific business-case to boost performance