I applied through other source. The process took 1 day. I interviewed at Citi (Warren, NJ) in Feb 2018
Interview
Phone Interview first. It took around 40 mins. With behavior questions like why do you want to change current job. Why do you choose Citi? Then several technical questions on Java with memory layout of the heap/stack/garbage collector. When talked about I am using Java version 8, questions on stream/completablefuture/lambda comes.
Interview questions [1]
Question 1
Explain the marker interface and default method in interface?
Design and scenario based questions, not straight from theory or books. Keep your concepts clear in programming and skills for developer roles. I applied for senior role, more questions they were expecting were in distributed architecture, complex KARAT coding etc.
Interview questions [1]
Question 1
System design questions, related to event processing for communication between different microservices.
The initial interview round is conducted by Karat, a third-party technical screening company. You will participate in a live, person-to-person online coding assessment to evaluate your core engineering competencies. All in all, it was good.
I applied online. I interviewed at Citi (London, England) in Feb 2026
Interview
Easy first round they use screen tool to ask you write some code. Second round is scheduled then got cancelled saying they will not proceed further? Waste of time in my opinion, also the interview person has nothing to do with the role you apply for.
Interview questions [1]
Question 1
Figure out a bug in the code.
Then write a small method.
