Worked on the apache/cassandra-sidecar repository to deliver an observability enhancement for Cassandra 5.0 secondary indexes. Developed a feature that exposes INDEX_STATUS within GossipInfo, allowing clients to parse and monitor index health for improved troubleshooting. The implementation involved updating the GossipInfoResponse class and expanding parser tests to ensure accurate handling of the new field. Care was taken to maintain backward compatibility with existing GossipInfo consumers and continuous integration pipelines. Leveraged backend development skills with a focus on Java and Cassandra, resulting in more transparent index status reporting and enabling faster diagnosis of index-related issues in production environments.