Dunzo is known for building fast, scalable logistics and delivery systems that handle real-time data and complex routing problems. Because of this, the company places a strong emphasis on data structures and algorithms (DSA) during its technical interview process. Candidates are typically evaluated on their ability to write clean code, optimize solutions, and reason through real-world engineering challenges.

The coding rounds at Dunzo generally include problems focused on arrays, graphs, hashing, and dynamic programming. Interviewers often expect candidates to not only produce a correct solution but also explain their thought process and analyze time and space complexity. Practicing a focused set of Dunzo-style DSA questions can help you recognize common patterns and approach problems confidently. This collection of 24 curated problems is designed to help you prepare effectively for Dunzo's technical interviews.

Dunzo's technical interviews are designed to evaluate both your problem-solving ability and your understanding of core computer science concepts. Candidates usually go through one or more coding rounds followed by technical discussions focused on system thinking and practical scenarios.

In the coding rounds, interviewers expect you to clearly explain your approach before writing code. They often explore whether you can move from a brute-force solution to an optimized one. Practicing common DSA patterns will significantly improve your performance.

Common problem areas asked in Dunzo interviews include:

• Array and string manipulation problems
• Hash maps and frequency-based techniques
• Graph traversal such as BFS and DFS
• Greedy algorithms and interval problems
• Dynamic programming and optimization challenges

Preparation strategy:

• Practice solving problems within a time limit similar to real interview settings.
• Focus on writing clean, readable code and explaining your logic step-by-step.
• Always discuss time and space complexity after presenting your solution.
• Review edge cases such as empty inputs, large datasets, and duplicates.
• Revisit frequently asked patterns like sliding window, two pointers, and graph traversal.

Consistent practice with curated Dunzo-style questions will help you recognize patterns quickly and approach interviews with greater confidence.