Fiserv

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Company name: Fiserv, Pune
Position: Java Full Stack Developer

Interview
Applied via recruiter, There was total 3 round.
1. Meet Video call interview
2. Manager round
3. HR round

Many questions on software design patterns, java, spring boot, current project & technical stack have you used.
Interview Questions
Java-8 features & what all u have used?
Dimond problem removal steps in java-8?
Comparator and comparable
Inversion of control in Spring
Spring boot-> actuator
What spring boot provide and why its getting much usage?  
Answer Question
AOT in angular
Idempotent in rest API
Lazy loading in angular  
Answer Question
Coding Test: ** Using normal loops not to use any collections classes
Array-1 [2,3,7]
Array-2 [4,5,8]
Final Output as below: [2,3,4,5,7,8]  
Answer Question
Code review best practices
Slowness in your application, what's your approach
Security in your current application, Explain end to end
Solid principal
Design pattern (Factory Pattern, Abstract Factory, Factory Method pattern?)
Dependency Injections
Performance improvement of web application startup
Major challenge in Current project  

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