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.
Figure out a bug in the code.
Then write a small method.
The following metrics were computed from 2 interview experiences for the Citigroup Senior Software Engineer role in London, United Kingdom.
Citigroup's interview process for their Senior Software Engineer roles in London, United Kingdom is extremely selective, failing the vast majority of engineers.
Candidates reported having mixed feelings for Citigroup's Senior Software Engineer interview process in London, United Kingdom.