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Ocado Interview Questions and Answers
Ocado Interview Experiences
3 interviews found
Anonymous
Selected
I appeared for an interview before Mar 2024.
Develop a service and data structure to store historical orders, along with tests to ensure functionality.
(1 Question)
- Q1. What is the design process for creating a URL shortener?
- Ans.
Design process for creating a URL shortener involves defining requirements, choosing a method, implementing the system, and testing for functionality.
Define requirements: Determine the features and functionality needed for the URL shortener.
Choose a method: Decide on the algorithm or approach for generating short URLs, such as hashing or encoding.
Implement the system: Develop the backend and frontend components to crea...
(1 Question)
- Q1. What characteristics define a senior engineer?
- Ans.
A senior engineer is experienced, knowledgeable, and possesses strong leadership skills.
Extensive experience in the field
Deep technical knowledge and expertise
Strong problem-solving skills
Effective communication and leadership abilities
Mentoring and guiding junior team members
Software Engineer Interview Questions asked at other Companies
I applied via Company Website and was interviewed in Sep 2023. There were 3 interview rounds.
Algorithm questions, arrays/strings, searching and sorting questions
(2 Questions)
- Q1. Tell us a time you worked in a team?
- Q2. 2. Tell us a time where you had to overcome a challenge and describe the steps you took.
Graduate Software Engineer Interview Questions asked at other Companies
I applied via Company Website and was interviewed before Dec 2023. There was 1 interview round.
(2 Questions)
- Q1. Why do you want to work for Ocado?
- Ans.
I want to work for Ocado because of their innovative technology, strong company culture, and opportunities for growth.
Innovative technology - Ocado is known for their cutting-edge technology in the online grocery industry.
Strong company culture - I appreciate Ocado's focus on teamwork, diversity, and employee development.
Opportunities for growth - I see potential for career advancement and learning new skills at Ocado.
- Q2. How do you build a schedule?
- Ans.
Building a schedule involves identifying tasks, estimating durations, sequencing tasks, and assigning resources.
Identify all tasks that need to be completed
Estimate the duration of each task
Sequence the tasks in the order they need to be completed
Assign resources to each task
Create a timeline based on task durations and dependencies
Interview Preparation Tips
Project Manager Interview Questions asked at other Companies
Interview questions from similar companies
SAMKIT JAIN
I appeared for an interview in Aug 2017.
Interview Questionnaire
7 Questions
- Q1. Implement Merge Sort.
- Ans.
Merge Sort is a divide and conquer algorithm that sorts an array by dividing it into two halves, sorting them separately, and then merging the sorted halves.
Divide the array into two halves
Recursively sort the two halves
Merge the sorted halves
- Q2. Given a BST containing distinct integers, and a number ‘X’, find all pairs of integers in the BST whose sum is equal to ‘X’.
- Ans.
Find pairs of integers in a BST whose sum is equal to a given number.
Traverse the BST and store the values in a hash set.
For each node, check if (X - node.value) exists in the hash set.
If yes, add the pair (node.value, X - node.value) to the result.
Continue traversal until all nodes are processed.
- Q3. Given a set of time intervals in any order, merge all overlapping intervals into one and output the result which should have only mutually exclusive intervals.
- Ans.
Merge overlapping time intervals into mutually exclusive intervals.
Sort the intervals based on their start time.
Iterate through the intervals and merge overlapping intervals.
Output the mutually exclusive intervals.
Example: [(1,3), (2,6), (8,10), (15,18)] -> [(1,6), (8,10), (15,18)]
- Q4. What are the different types of hashing? Suggest an alternative and a better way for Linear Chaining.
- Ans.
Different types of hashing and alternative for Linear Chaining
Different types of hashing include division, multiplication, and universal hashing
Alternative for Linear Chaining is Open Addressing
Open Addressing includes Linear Probing, Quadratic Probing, and Double Hashing
- Q5. Implement AVL Tree.
- Ans.
An AVL tree is a self-balancing binary search tree where the heights of the left and right subtrees differ by at most one.
AVL tree is a binary search tree with additional balance factor for each node.
The balance factor is the difference between the heights of the left and right subtrees.
Insertion and deletion operations in AVL tree maintain the balance factor to ensure the tree remains balanced.
Rotations are performed ...
- Q6. Minimum number of squares whose sum equals to given number n.
- Ans.
Find the minimum number of squares whose sum equals to a given number n.
Use dynamic programming to solve the problem efficiently.
Start with finding the square root of n and check if it is a perfect square.
If not, then try to find the minimum number of squares required for the remaining number.
Repeat the process until the remaining number becomes 0.
Return the minimum number of squares required for the given number n.
- Q7. Insertion sort for a singly linked list.
- Ans.
Insertion sort for a singly linked list.
Traverse the list and compare each node with the previous nodes
If the current node is smaller, swap it with the previous node
Repeat until the end of the list is reached
Time complexity is O(n^2)
Interview Preparation Tips
Experience: There were 2 coding questions (no penalty for wrong submission) and 20 Multiple Choice Questions(with negative marking). We were given 90 minutes to solve them. MCQs were based on Data Structures, OS, CN, C outputs, OOP etc.
Tips: Experience in Competitive Programming might help in solving coding questions. No constraints were mentioned and detailed Instructions related to problem were stated vaguely. So code carefully.
Duration: 1 hour 30 minutes
Total Questions: 22
Round: Technical Interview
Experience: The interviewer asked me to introduce myself and a brief introduction of the projects that I have done. She first asked me questions related to my project. After that she moved on to the data structures part.
Tips: Take your time to approach the problems and if the question is not clear ask the interviewer to explain it again.
Round: Technical Interview
Experience: The interviewer asked me about how my previous round went. After that, he asked me to introduce myself and a brief introduction of the projects that I have done. He first asked me a few questions related to my project. Then he moved on to the data structures part. In this round the interviewer gave me strict time limit for coding the solution on paper for each problem and as soon as I was done coding he gave me 2-3 minutes every time to find errors and debug my code.
Tips: Do not panic even if the interviewer sets time limit while solving problems. If the question is not clear ask the interviewer to explain it again.
College Name: The LNM Institute Of Information Technology, Jaipur
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in May 2019. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. They asked about How have you developed Business in your Ex Company
Interview Preparation Tips
I applied via Company Website and was interviewed in May 2019. There were 5 interview rounds.
Interview Questionnaire
1 Question
- Q1. SQL, Business cases
Interview Preparation Tips
I applied via Company Website and was interviewed in May 2019. There were 4 interview rounds.
Interview Questionnaire
5 Questions
- Q1. About your self
- Q2. About your previous company and job profile
- Q3. How do you relate your previous job profile with the profile you are applying
- Q4. Any thing extra ordinary you have done in your previous company (s) that has changed your business
- Ans.
Implemented a new customer feedback system that increased customer satisfaction by 20%
Implemented a new customer feedback system to gather insights and improve customer experience
Analyzed feedback data to identify common issues and areas for improvement
Implemented changes based on feedback to address customer concerns and enhance overall satisfaction
Trained team members on how to effectively use the new system and inte...
- Q5. Hobbies and all
Interview Preparation Tips
Have proper knowledge about your work experience
Make your CV precis and do adhere to it
Be honest
I applied via Naukri.com
Interview Questionnaire
2 Questions
- Q1. Why Amazon?
- Q2. What do you expect from Amazon?
Interview Preparation Tips
I applied via Company Website and was interviewed before Jun 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. About previous work experience
- Q2. About process improvements
Interview Preparation Tips
I applied via Walk-in and was interviewed before Jun 2021. There were 2 interview rounds.
HR told about the company on the first day, how it works, told the rules, showed the management and a lot
Interview Preparation Tips
- Safery
- Environment
- Cleaning
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Ocado Interview Process
based on 4 interviews
Interview experience
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