Loop Round 1

• All about current project
• Current Project structure
• Which microservice on which you worked?
• Logistic System Design
• Behavioural questions
  • what is the mistake you commit in the last project?
  • how you meet the deadline if some production bug comes?

Round 2

• All about current project
• current project basic design
• current project all communications + third party integrations
• String manipulation to remove the repeated adjacent characters
• SAGA & orchestration
• how to handle cascade failure in the third party integration

Round 3

• All about current project
• what is redis cache?
• difference between memcache & Redis cache
• Design LRU Cache
• Design Booking System such as BookMyShow
• Inter Microservice communication
• Puzzle to know about defective jar using minimum weighing machine.

Round 4

• LLD Question (Need to create Reader Utility which accepts source and format.) Need to write extensible, open for modification code.)

• Source such as DB, API, File etc and format can be JSON, XML, csv

• More questions around code.

• which design pattern followed

• main categorisation of design patterns

• factory and behavioural design patterns

• If logic of calling API already exists and how we can reuse them?

• merge two sorted arrays

• need to write pookie code

• extension to this use streams.

• Spring Bean lifecycle

• postconstruct + predestroy difference

• spring aop

• spring and spring boot