Sharing my VISA interview experience for Sr SWE position.

OA
Had 4 questions LC easy and medium, don't remember exact questions
1.Bus departure
2.Numbers with odd 0s
3.Allocate memory
4.View gap mountain , find minGap

Verdict : Was able to clear all TCs

Round 1
Lots of Java and Springboot questions
Springboot components, design patterns, annotations, jpa, isolation levels, singleton pattern, how can it be broken, decorator
Pattern and example, horizontal vs vertical scaling,authentication mechanisms, Shedlock, load balancer different techniques, api protocols, lru cache implementation, hashmap internals, hash code and equals

Verdict : Positive

Round 2
My project architecture discussion
HLD discussion -> design Rate Limited

Verdict: Positive

Round 3
Hiring Manager round - behavioural questions
Most difficult project, team structure, production issues, SDLC, etc.
Verdict : Negative, wasn't much prepared for this round.

Overall Verdict : Rejected