I applied online. The process took 6 months.

I recently participated in the Juspay Hiring Challenge and went through multiple stages. Overall, the process was rigorous, well-structured, and focused heavily on problem-solving ability and consistency. Round 1 – MCQ (DSA + CS Fundamentals) Questions covered time complexity, OS, DBMS, and core CS concepts. Round 2 – MCQ (DSA + Numericals) Conceptual DSA questions combined with logical/physics-style numericals.

Round 3 – Coding Round 3 coding questions, mostly based on two-pointers and sliding-window patterns. Round 4 – Hackathon (Part A – 3 hours) One problem based on a locking/unlocking tree. Required structural thinking and handling tricky edge cases. Round 5 – Coding Round 2 problems — one Dynamic Programming, one Greedy.

Round 6 – Elimination Interview One coding question plus discussion on projects, approach, and thought process. Round 7 – Hackathon (Part B – 8 hours) Continuation of Part A with multithreading. Full-day challenge focused on concurrency and correctness. Although I wasn’t selected in the end, I found the experience very rewarding. It tested not only technical knowledge, but also patience, debugging skills, and mindset.

They asked me to design a locking/unlocking tree and explain how I would handle edge cases and concurrency issues while multiple users interact with the tree at the same time.