OA Round
Questions:
- Multi Source BFS problem related to shortest path
- Design autocomplete search in react
Round 1
Questions:
- Matrix question with binary search
- Variation of Island problem
Candidate's Approach
The candidate was able to solve both problems and write working code. They also wrote test cases and provided suggestions on how to improve the code to make it production-ready.
Interviewer's Feedback
The interviewer was extremely satisfied with the candidate's performance and rated them as a Strong Hire.
Round 2
Questions: Design Instagram feed, including discussions on database schema, APIs, optimization of the feed, and handling the celebrity problem. Additionally, the interviewer asked about potential analytics features for Instagram and some behavioral questions.
Candidate's Approach
The candidate had a detailed discussion regarding the design of the Instagram feed and answered questions about their projects. They felt the round went well.
Interviewer's Feedback
The candidate rated this round between Hire and Strong Hire based on the positive interaction and discussion.
Round 3
Questions: Design a paint application in React.
Candidate's Approach
The candidate discussed the scope of the problem but focused too much on backend details rather than frontend design. The interviewer was okay with the backend part but was not satisfied with the frontend design.
Interviewer's Feedback
The candidate rated this round as leaning towards hire due to the rough start and technical issues faced during the interview.