Coding Round Around 3 DSA questions. Questions can be hard. Topics mentioned: Graphs, DP, Arrays, Strings. There may be pattern-based questions where the expected solution is surprisingly short. Solving at least one question successfully can be enough to move to the next stage, depending on the test/evaluation. Shortlisted candidates may be invited to Bangalore for the next stage/hackathon. Hackathon / Selection Event Candidates shortlisted from the coding round are invited to a hackathon-style event. The exact activities can vary by year, so the experience you shared shouldn't be treated as a fixed format. A college-hosted hackathon is also a separate common format; Juspay's hiring hackathon shouldn't automatically be assumed to be identical to a regular college hackathon. MCQ Round Candidates can still be eliminated after the coding/hackathon stage. Areas mentioned in the experience: CS fundamentals Basic Mathematics Basic Physics Example questions reported: Inclined plane + spring/block system Effective frequency when the source and listener are moving These were described as relatively straightforward. Final/3rd Round Reportedly one coding/problem-solving question. The person you spoke with mentioned a Tree of Space problem and said they didn't reach this stage, so this part is based on limited second-hand information.
What you should prepare
For the coding round, the experience specifically points toward:
Priority Topics High DP High Graphs High Arrays High Strings Also Trees Also General DSA/problem-solving
The biggest uncertainty is that the exact question distribution isn't fixed. One candidate could encounter mostly DP while another gets mostly graph questions.