JFrog Interview Experience | SDE2 | Bangalore | July 2025

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jfrog
SDE IIBangalore2.5 years
August 10, 20253 reads

Summary

I interviewed for an SDE2 role at JFrog, covering DSA, system design (Blocking Queue), and fundamental Java concepts. Despite solving DSA problems, I was rejected due to a lack of deep dive knowledge in design and multithreading concepts.

Full Experience

Hi , I got this opportunity from referal.

YOE - 2.5 years Current Company - Service Based

Round 1: DSA Round

Design Blocking Queue. 2 DSA questions Interviwer clearly mentioned he want optimal approach only.

  1. Given an array return square of all the numbers leetcode easy.
  2. Sort 0's,1's,2's.

Some basic concepts on java,multithreading,OOPS,SOLID Principle. It was mentioned DSA round but turned out they wanted to know more on projects, design and multithreading concepts which I didn't prepared much on.

Feedback : I need to work on deep dives of the topics at my level of experience.

Verdict: Rejected

Interview Questions (3)

Q1
Design Blocking Queue
Data Structures & Algorithms

Design Blocking Queue.

Q2
Squares of a Sorted Array
Data Structures & AlgorithmsEasy

Given an array return square of all the numbers.

Q3
Sort Colors (Dutch National Flag Problem)
Data Structures & Algorithms

Sort 0's,1's,2's.

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