I gave the interview for position of Sr. Software Engineer (Fullstack, Java & Angular) at Visa.

Round 1 (Part A)

1. Angular basic building blocks
2. How will you show a bar graph of a data from past 100 years data receiving from Backend.
   Interviewer wanted to see how I'll approach the problem but not the actual code
3. Authentication & Authorization in your frontend.
4. Basic components of NgRx store (was written in my resume)
5. How did I migrate from Angular v8 to v13 (was written in my resume) (Exact command)
6. How can send data between two components in angular
   a. Parent to Child (Ans. @Input decorator)
   b. Child to Parent (Ans. @ViewChild decorator, also use ngAfterViewInit)
   c. Unrelated Components (Ans. Create a Service)
7. Write a piece of code for subscribing an observable from an API Call and handle error
8. Print the subset with sum k.

Round 1 could not be completed within 1 hour so another part was scheduled for next day
Round 1 (Part B)

1. Functional interface
2. Will functional Interface work without annotation
3. Can Interface have function def.
   And No
4. Stream API is built on top of collections interface but interface don't have function definition. How java overcame this?
   Ans: default functions
5. How to intercept all request and responses from a Springboot app
   Ans: interface
6. Spring Security features.
7. Use of Repository annotation
8. If we have two implementation of an interface and use @Autowired for the base interface object, will aplication run ?
   Ans No.
9. How can you make this work?
   Ans @Qualifier annotation
10. Checked & Unchecked Exception in java with example
11. You are given two arrays. One of the arrays has some number missing. Print the missing numbers.

Verdict: Not Selected

Got a call from recruiter after 3 weeks that positionis already filled but since you had good feedback we have another opening from backend role if interested. But will have to give round 1 again.