I applied through an employee referral. I interviewed at Barclays in Aug 2024
Interview
There were 2 technical rounds. First was taken by a senior developer. Basic questions were asked. If you are strong with fundamentals and good at coding, it is cakewalk. Second was taken by a VP. It was based on kafka tech stack and Java ecosystem. Moderately difficult questions were asked on Spring Kafka. I could not answer few.
Interview questions [1]
Question 1
Internal working of hash map
Types of database indexing
How will you make a class immutable
Kafka partitioning logic
Which strategy is best for avoiding Kafka partition rebalancing? (Could not answer)
How to make Kafka consumer multithreaded?
Coding questions
Filter stream program for odd numbers
Find first distinct character in a string in 0(n)
Sum of digits of a number
Miscellaneous
Challenges faced in current project
Why you change job every year?
It wasn’t a professional interview. The process felt disorganized, communication was unclear, and the offers were very low compared to current market standards and my experience, so overall I was disappointed.
The interview was easy. Interviewer asked me about OOPs. The questions were easy and basic. Then he asked me to code merge sort in notepad. Asked about the time complexity and space complexity of merge sort. Then he asked some behavioural questions. That's all. Interview happened for nearly 15 mins.
Interview questions [1]
Question 1
Asked me to code merge sort.
What is method overloading and overriding
