16. SQL/NoSQL databases:
Score: 4
Qualitative Assessment: Needs Improvement
Description: Varun's response on optimizing databases for high-velocity data was insufficient and did not reflect applied experience.

17. Data ingestion/integration:
Score: 4
Qualitative Assessment: Needs Improvement
Description: Varun did not provide a clear explanation of his experience with data ingestion or integration processes.

18. Kafka Streams/Kafka Connect:
Score: 4
Qualitative Assessment: Needs Improvement
Description: Varun's knowledge of Kafka Streams or Kafka Connect was not evident from his responses.

19. Data transformation/storage:
Score: 4
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate a comprehensive understanding of data transformation or storage solutions.

20. Jira/Rally:
Score: 6
Qualitative Assessment: Needs Improvement
Description: Varun mentioned using Jira for project management but did not elaborate on how it helped maintain project timelines and deliverables effectively.