Working on Ajio SaaS (Search as a Service), Recommendation Engine Service & SizeChart Service.SaaS: This service works everywhere from finding a product to land on any PLP pages, it has proper flow among other services calls. Solr is used here for searching products. Recommendation Engine: This Service provides you the suggestions based on your search history or product visits.SizeChart Service: This service is related to the size chart of the products.Here, i create a Jmeter script and bash script wherever needed to test the functionality of the API's,Checking the Avg RT's, TPS and CPU usage to understand .Debugging on the services whenever needed, This includes the monitoring tools like Grafana and ELK.Checking Application logs and access logs with the use of Elastic (ELK) or VM's to find the root cause for the issue or ERROR, Also reading the JFR files with the tools like JMC (This helps in understanding the threads operations).Checking Code flow to understand the API's functionality and working.