Q: What are microservices monitoring and microservices observability? A: We can use new relic, kibana. (He didn't like the answer) Q: How do you choose the technology for a project. A: We can read related blogs, we can read benchmarks, also we can make our own benchmarks. (He didn't like the answer. He said we should check Garthner reports.) Q: Which index types mongodb has? A: I don't know Q: Which changes happened in Spring Ecosystem recently? A: Spring moved on the direction of Ruby on Rail. Convention over Configuration becomes the way. (He didn't like the answer. He said Spring cloud) Q: What is rest service digital signature? A: I don't know in detail. (That was his academic paper) Q: What are functional / nonfunctional requirements? A: Functional requirements are business requirements. Non functional requirements are more related to speed, software modularity, software scalability. (He didn't like the answer) Q: What are software metrics and business metrics? A: Business metrics are business related statistics. For a ecommerce project orders, customers, products can be business metrics. We can show them using business intelligence tools or Tableau. Software metrics can be requests, page views, all the other nonbusiness metrics. We can use newrelic to see them or similar tools. (He didn't like the answer) He didn't ask any Java questions. He didn't ask any SQL db question. He didn't ask any coding related question.