Juspay Full Stack Engineer interview experience

It began with multiple hackathon and technical stages on a structured timeline. Hackathon Part A was centered on an n-ary tree-style locking problem, something that was widely available online, and the main emphasis was how I worked through the constraints and handled tricky edge cases. That was followed by a technical interview that leaned heavily toward DSA—mostly standard “Striver sheet”-style problems, plus a chunk of core CS fundamentals.

The next phase was Hackathon Part B, which usually runs around 7 hours but took much longer for me, and the point was clear: they checked how I