Zomato - interview guide

Zomato interview questions - a complete guide

Zomato's fresher process is reported to focus most on DSA, along with the depth of your projects and culture fit. Here is how to prepare for all three.

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About Zomato

Zomato is a large Indian platform for food delivery and restaurant discovery; its parent company is now called Eternal, so the careers page is on eternal.com. Its engineering deals with real-time orders, delivery and large-scale data.

This guide covers 13 Zomato interview questions with answers - what each question checks and how to answer it - plus the Zomato interview process, round by round, a 7-day preparation plan for freshers, tips and the mistakes to avoid.

Zomato hiring process

  1. Step 1: Online coding test

    DSA questions.

  2. Step 2: Technical interviews

    1-3 rounds, each with 1-2 DSA questions and a project deep dive.

  3. Step 3: Culture fit / managerial and HR

    Behaviour, projects and fit.

Zomato does not publish its fresher hiring process in detail (as of our check). This information is based on candidate reports and varies by role, city and drive - read the official job posting before you apply.

Sources (checked 16 October 2026): Eternal (Zomato) Careers. Hiring processes change - read the official notice before you apply.

Zomato interview questions and answers

DSA

  1. 1.Find the minimum-length subarray whose sum is at least the target.

    What they're checking
    Sliding window - reported in interviews.
    How to answer
    Two pointers; move right, and when the sum ≥ target, shrink from the left and update the minimum length. O(n) for positive numbers. Follow-up: with negative numbers, prefix sums + a deque.

  2. 2.Find the kth smallest element in a BST.

    What they're checking
    Tree traversal.
    How to answer
    Inorder traversal gives sorted order - stop at the kth element.

  3. 3.Merge k sorted arrays.

    What they're checking
    Heap.
    How to answer
    Put the first element of each array in a min-heap; take the smallest and push the next one from the same array. O(N log k).

  4. 4.How would you update a restaurant's average rating in real time?

    What they're checking
    Practical thinking.
    How to answer
    Don't recompute the whole average on each rating - keep the total sum and count; new average = sum/count.

Projects and culture fit

  1. 5.Give a deep dive into your project - be ready for every line.

    What they're checking
    Deep dives are common in reports.
    How to answer
    The architecture, the database choice, your code, and what you would do differently - specifically.

  2. 6.What one thing would you improve in the Zomato app?

    What they're checking
    Product sense and customer thinking.
    How to answer
    A real problem you faced, its solution, and how you would measure that it worked.

  3. 7.Give an example of working where things change fast.

    What they're checking
    Startup culture fit.
    How to answer
    When the plan changed and how you adjusted - in STAR.

  4. 8.Why Zomato?

    What they're checking
    Motivation.
    How to answer
    Real-time logistics and a consumer product - whatever you genuinely like.

More questions

  1. 9.Merge two sorted arrays (without extra space, if there is room).

    What they're checking
    Merging has been reported.
    How to answer
    Fill from the back - compare the last (largest) elements of both and place the larger at the end of the first array.

  2. 10.How would you build an LRU cache?

    What they're checking
    Reported in interviews.
    How to answer
    A hash map + a doubly linked list; move to the front on use, remove from the back when full - both O(1).

  3. 11.Zigzag level order traversal of a binary tree.

    What they're checking
    A BFS variation.
    How to answer
    Level order, reversing every other level (or using a deque).

  4. 12.In what order would you show restaurants in search?

    What they're checking
    Product + data thinking.
    How to answer
    Distance, rating, delivery time and the user's preferences - a weight for each factor, checked with A/B tests.

  5. 13.Tell me about a project where you changed something based on user feedback.

    What they're checking
    User focus.
    How to answer
    What the feedback was, what you changed, and its effect.

7-day preparation plan for the Zomato interview

  1. Day 1: Sliding window - five problems.
  2. Day 2: Trees and BSTs.
  3. Day 3: Heaps and merging.
  4. Day 4: A mixed DSA mock (two questions, 60 minutes).
  5. Day 5: Write out your project deep dive.
  6. Day 6: Product improvement and culture-fit stories.
  7. Day 7: Revision.

Preparation tips

  • Know the sliding window, tree and heap patterns well.
  • Be ready for follow-up questions - such as negative numbers.
  • Depth on your projects - the reason for every tech choice.

Mistakes to avoid

  • Panicking on a follow-up - state the approach first.
  • Not remembering the details of your project's code.
  • A generic answer to a product question ('make the UI better').

Frequently asked questions

What is asked in the Zomato SDE interview?

Commonly DSA (sliding window, trees, heaps), a project deep dive and culture fit.

Is there machine coding at Zomato?

The reports we found didn't confirm a separate machine coding round for freshers - ask the recruiter.

How many rounds are there at Zomato?

Commonly an online test, 1-3 technical rounds and culture/HR.

Does Zomato ask about system design?

System design is reported for experienced roles; freshers get mostly DSA.

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