Juspay Hiring Challenge Interview Experience – 2025

Here’s a well-structured website post based on your shared Juspay interview experience—ideal for blogs, placement portals, or professional networking platforms:

Juspay Hiring Challenge Interview Experience – 2025

Role: Product Engineer | Mode: Off-Campus

After spending nearly 10 months at Juspay as a Product Engineer, I’d love to share my journey through the hiring process to help future aspirants understand what to expect and how to prepare.

Round 1: Resume Shortlisting

  • My resume was selected based on MCQ Assessment relevant skills and experiences.
  • Key areas highlighted: Problem Solving, DSA, CS Fundamental

Round 2: Online Coding Assessment

  • Platform: Coding platform (likely HackerEarth or similar)
  • Questions: 3 algorithmic problems
  • Focus Areas:
    • Graphs
    • Trees
    • Dynamic Programming
  • Goal: Test your logical thinking, code quality, and efficiency within a time constraint.

Preparation Suggestion: Practice advanced DSA, especially trees and graph traversal algorithms.


Part 1: Coding Challenge
  • Problem on N-ary Tree
  • Implemented three key functions:
    • lock()
    • unlock()
    • upgrade()
  • Required strong understanding of tree manipulation.
Part 2: Mentored Hackathon
  • Platform: Slack + Remote Mentor Support
  • Duration: ~9 hours
  • Shared and explained my approach
  • Implemented multithreading, managed race conditions, and worked on optimization feedback in real time

Highlight: Collaborative and challenging environment with direct mentorship.

  • Conducted By: Senior Developer
  • Topics Covered:
    • Resume Projects & Tech Stack
    • Computer Science Fundamentals:
      • Operating Systems
      • Computer Networks
      • OOPs Concepts
      • DBMS

Tip: Be ready to explain your project decisions and go deep into technical details.

  • Focus: Real-world scenarios and system-level thinking
  • Tested depth of understanding in:
    • Memory management
    • Data handling pipelines
    • Networking layers
    • Internals of how systems work
  • Reinforced Computer Science core topics in applied contexts

Tip: Strong CS fundamentals and curiosity to explore “how things work under the hood” make a huge difference.

Selected as a Product Engineer @ Juspay!
Received the final confirmation shortly after the last interview.

This journey was both challenging and incredibly rewarding. If you’re aspiring to join Juspay or similar product-based companies, here’s my advice:

  • Focus on DSA + CS fundamentals
  • Understand real-world tech problems, not just academic theory
  • Communicate your thought process clearly
  • Embrace feedback, stay calm under pressure
  • Most importantly, enjoy the learning journey!