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Tesco Devops Engineer Interview Questions and Answers

Updated 16 Apr 2025

Tesco Devops Engineer Interview Experiences

1 interview found

Devops Engineer Interview Questions & Answers

user image Anonymous

posted on 16 Apr 2025

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview in Mar 2025, where I was asked the following questions.

  • Q1. Explain the CI/CD setup in your project.
  • Ans. 

    Our CI/CD setup automates code integration, testing, and deployment for faster and reliable software delivery.

    • Version Control: We use Git for source code management, enabling collaboration and tracking changes.

    • Continuous Integration: Jenkins is configured to automatically build and test code on every commit, ensuring early detection of issues.

    • Automated Testing: We implement unit tests and integration tests using framew...

  • Answered by AI
    Add your answer
  • Q2. How do you handle secrets in your pipeline?
  • Ans. 

    Managing secrets in a pipeline involves secure storage, access control, and auditing to protect sensitive information.

    • Use secret management tools like HashiCorp Vault or AWS Secrets Manager to store sensitive data securely.

    • Implement environment variables to inject secrets into the pipeline without hardcoding them in the codebase.

    • Utilize CI/CD tools' built-in secret management features, such as GitHub Actions Secrets or...

  • Answered by AI
    Add your answer
Anonymous

Top trending discussions

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Interview Tips & Stories
2w
timepasstiwari
·
A Digital Markter
ChatGPT prepped me HARD for my interview!
Spent like two hours on chatgpt yesterday prepping for an interview. First, the usual, copy-pasted my resume and the job description, telling it to "upload this to your memory 'cause we are going to talk about it later". Then I grilled it with questions about stuff I didn't get in the job spec, and chatgpt helped me figure things out. I asked it to list the four or five key things they are looking for in the role. Then I told chatgpt to quiz me with ten questions, one at a time, to help me think about how I have gained experience in those areas. After the ten questions, it gave me strengths/weaknesses and a summary. Finally, I had chatgpt summarize each of my answers into three bullet points. Now have got a list of stories ready to go for any interview. No matter the question, I can steer the convo toward one of these success stories.
Got a question about Tesco?
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Interview questions from similar companies

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Devops Engineer Interview Questions & Answers

Decathlon user image Sivaram GUNTAMUKKALA

posted on 3 Jul 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Jun 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. How do you integrate Jenkins with AWS
  • Ans. 

    Integrating Jenkins with AWS involves setting up Jenkins on an EC2 instance, configuring IAM roles, and using plugins for AWS services.

    • Set up Jenkins on an EC2 instance in AWS

    • Configure IAM roles to allow Jenkins to interact with AWS services

    • Use Jenkins plugins for AWS services like S3, EC2, and Lambda

    • Utilize AWS CodePipeline for continuous integration and deployment

  • Answered by AI
    Add your answer
  • Q2. Use of terraform in real-time cases
  • Ans. 

    Terraform is used for infrastructure as code to automate provisioning and managing of cloud resources.

    • Terraform can be used to create and manage infrastructure on cloud platforms like AWS, Azure, and Google Cloud.

    • It allows for defining infrastructure in code using declarative configuration files.

    • Terraform can be used to provision servers, databases, networking components, and other resources.

    • It enables infrastructure c...

  • Answered by AI
    Add your answer

Interview Preparation Tips

Topics to prepare for Decathlon Devops Engineer interview:
  • Jenkins
  • Terraform
  • Kubernetes
  • Docker

Skills evaluated in this interview

Anonymous

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company Logo

Senior Engineer Interview Questions & Answers

Target user image Anonymous

posted on 21 Nov 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Java-based coding, streams and lambda, design patterns

Anonymous
company Logo

Senior Engineer Interview Questions & Answers

Target user image Anonymous

posted on 1 Feb 2025

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I appeared for an interview in Jan 2025.

Round 1 - Technical 

(6 Questions)

  • Q1. What is the role of exception handling in programming, and how is the 'finally' block used in this context, as well as the process of throwing exceptions?
  • Ans. 

    Exception handling is crucial in programming to handle errors and ensure proper execution. The 'finally' block is used to clean up resources, and throwing exceptions allows for error propagation.

    • Exception handling is used to manage errors and unexpected situations in a program.

    • The 'finally' block is used to execute code that should always run, regardless of whether an exception is thrown or not.

    • Throwing exceptions allo...

  • Answered by AI
    Add your answer
  • Q2. What are the differences between SQL and NoSQL databases, and can you mention some NoSQL databases that you are familiar with?
  • Add your answer
  • Q3. What are the ACID properties implemented in your project, and can you provide a brief overview of the CAP Theorem?
  • Ans. 

    ACID properties ensure data integrity in transactions. CAP Theorem states that a distributed system can only guarantee two out of three: Consistency, Availability, Partition Tolerance.

    • ACID properties: Atomicity, Consistency, Isolation, Durability

    • Example: In a banking application, a transfer of funds should be atomic, consistent, isolated, and durable

    • CAP Theorem: Consistency, Availability, Partition Tolerance - a distri...

  • Answered by AI
    Add your answer
  • Q4. Database disaster recovery?
  • Ans. 

    Database disaster recovery involves strategies to restore data and maintain operations after a failure or data loss.

    • Regular backups: Schedule daily or weekly backups to ensure data can be restored.

    • Redundancy: Use replication to maintain copies of the database in different locations.

    • Testing recovery plans: Regularly test disaster recovery plans to ensure they work effectively.

    • Use of cloud services: Leverage cloud-based ...

  • Answered by AI
    Add your answer
  • Q5. What is the difference between Comparable and Comparator in Java? And how to Implement in Collections.
  • Ans. 

    Comparable is an interface used for natural ordering, while Comparator is used for custom ordering in Java Collections.

    • Comparable interface is used to define the natural ordering of objects. It is implemented by the class whose objects are to be sorted.

    • Comparator interface is used to define custom ordering of objects. It is implemented by a separate class.

    • To implement Comparable, the class needs to override the compare...

  • Answered by AI
    Add your answer
  • Q6. Implementation of Generics in Java
  • Ans. 

    Generics in Java allow for creating classes, interfaces, and methods that operate on types parameterized at compile time.

    • Generics provide type safety by allowing compile-time type checking.

    • They enable code reusability and reduce the need for casting.

    • Example: List<String> list = new ArrayList<>();

  • Answered by AI
    Add your answer
Round 2 - Technical 

(10 Questions)

  • Q1. Can you provide the code to reverse a string using recursion?
  • Ans. 

    Code to reverse a string using recursion

    • Create a recursive function that takes a string as input

    • Base case: if the string is empty or has only one character, return the string

    • Recursive case: return the last character of the string concatenated with the result of calling the function on the substring excluding the last character

  • Answered by AI
    Add your answer
  • Q2. How does object comparison work with specific fields?
  • Ans. 

    Object comparison with specific fields involves comparing values of selected fields between two objects.

    • Object comparison can be done by comparing the values of specific fields in two objects.

    • Fields can be selected based on unique identifiers or criteria for comparison.

    • Example: Comparing the 'name' field of two person objects to check if they are the same.

  • Answered by AI
    Add your answer
  • Q3. How does the distributed transactions being handled in a microservice?
  • Ans. 

    Distributed transactions in microservices involve using compensating transactions and event-driven architecture.

    • Microservices typically use compensating transactions to maintain consistency across multiple services.

    • Event-driven architecture can help in coordinating distributed transactions by using events to trigger actions in different services.

    • Implementing distributed transactions in microservices requires careful de...

  • Answered by AI
    Add your answer
  • Q4. Aggregator Pattern in Microservice
  • Ans. 

    Aggregator pattern is used in microservices architecture to combine multiple service responses into a single response.

    • Aggregator pattern helps in reducing the number of client requests by combining multiple service responses.

    • It can be implemented using a separate service or within an existing service.

    • Example: A shopping website aggregating product information from different microservices like inventory, pricing, and re...

  • Answered by AI
    Add your answer
  • Q5. What is the implementation of the factory design pattern?
  • Ans. 

    Factory design pattern is a creational pattern that provides an interface for creating objects in a superclass, but allows subclasses to alter the type of objects that will be created.

    • Factory method pattern defines an interface for creating objects, but lets subclasses decide which class to instantiate.

    • It promotes loose coupling by eliminating the need to bind application-specific classes into the code.

    • Example: A car m...

  • Answered by AI
    Add your answer
  • Q6. What is indexing in a database, and what data structures are commonly used for indexing?
  • Ans. 

    Indexing in a database is a technique to improve the speed of data retrieval by creating a data structure that allows for quick lookup.

    • Indexing involves creating a separate data structure that contains pointers to the actual data in the database.

    • Common data structures used for indexing include B-trees, hash tables, and binary search trees.

    • Indexes can be created on one or multiple columns in a database table to speed up...

  • Answered by AI
    Add your answer
  • Q7. What is your approach to designing a system capable of handling thousands of requests?
  • Ans. 

    My approach involves using load balancing, caching, asynchronous processing, and horizontal scaling.

    • Implement load balancing to distribute requests evenly across multiple servers.

    • Utilize caching mechanisms to store frequently accessed data and reduce response times.

    • Use asynchronous processing for long-running tasks to free up resources for handling more requests.

    • Implement horizontal scaling by adding more servers to ha...

  • Answered by AI
    Add your answer
  • Q8. What is the CQRS pattern in microservices?
  • Ans. 

    CQRS pattern in microservices separates read and write operations for improved scalability and performance.

    • CQRS stands for Command Query Responsibility Segregation

    • It separates the read and write operations into two different models

    • Write operations update the data store, while read operations query a separate data store

    • CQRS can improve performance and scalability by allowing each model to be optimized for its specific t...

  • Answered by AI
    Add your answer
  • Q9. What is the role of API Gateway in microservices architecture?
  • Ans. 

    API Gateway acts as a single entry point for all client requests in a microservices architecture.

    • API Gateway handles authentication, authorization, rate limiting, and routing of requests to appropriate microservices.

    • It helps in decoupling client applications from individual microservices, providing a more flexible and scalable architecture.

    • API Gateway can also perform tasks like request/response transformation, logging...

  • Answered by AI
    Add your answer
  • Q10. Write SQL query to fetch data from two tables using joins?
  • Ans. 

    SQL query to fetch data from two tables using joins

    • Use the JOIN keyword to combine rows from two tables based on a related column

    • Specify the columns to select from each table in the SELECT statement

    • Use the ON keyword to specify the join condition

  • Answered by AI
    Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare a strong foundation in System Design, NoSQL, Microservices, and Core Java.
Anonymous
company Logo

Senior Engineer Interview Questions & Answers

Target user image shubham kumar

posted on 27 Jun 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

It was basically two leetcode Questions Mainly from array with some algorithm required to apply and other from LinkedList.

Round 2 - Highl Level Design 

(2 Questions)

  • Q1. First the discussion was mainly on Projects you have worked on for first 20 minutes.
  • Add your answer
  • Q2. Then was given to Design a chat application basically a High Level. Interviewer was friendly and prompt listener.
  • Add your answer
Round 3 - Behavioral 

(2 Questions)

  • Q1. Very Detailed Project Discussion and Scenario based Questions basically your achievements in detail.
  • Add your answer
  • Q2. Then some Implementation questions related to designing and Java based and Kafka based.
  • Add your answer
Round 4 - HR 

(1 Question)

  • Q1. CTC Discussion and Expectations plus Notice period and other documents.
  • Add your answer
Anonymous
company Logo

Senior Engineer Interview Questions & Answers

Target user image Satyabrata Sahoo

posted on 26 Jul 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(3 Questions)

  • Q1. Design principles for Low Level Architecture
  • Ans. 

    Low level architecture design principles focus on optimizing performance, efficiency, and resource utilization.

    • Optimize for performance by minimizing latency and maximizing throughput

    • Efficiently utilize resources such as memory, CPU, and network bandwidth

    • Design for scalability and flexibility to accommodate future growth

    • Use modular and reusable components to promote maintainability and code reusability

    • Consider security...

  • Answered by AI
    Add your answer
  • Q2. Mvcc architecture
  • Add your answer
  • Q3. Kafka Architecture
  • Add your answer

Skills evaluated in this interview

Anonymous
company Logo

Senior Engineer Interview Questions & Answers

Target user image Anonymous

posted on 29 Jul 2023

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Flood fill algorithm, other problems and technical questions
  • Add your answer
  • Q2. Flood fill algorithm Other rech questions
  • Add your answer
Round 3 - Coding Test 

Water bill management system
Flood fill algo

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare good HLD and data structure for lead enginner role
Anonymous
Are these interview questions helpful?
company Logo

Senior Engineer Interview Questions & Answers

Target user image Anonymous

posted on 10 Sep 2023

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Aug 2023. There were 6 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

2 coding problems.

One is on Hasmap

second one is on Tree

Round 3 - One-on-one 

(2 Questions)

  • Q1. Pair programming Round
  • Add your answer
  • Q2. One problem step by step solving with unit test cases maintaining time complexity and space complexity.
  • Ans. 

    Step-by-step problem-solving with unit tests, focusing on time and space complexity.

    • Identify the problem clearly, e.g., finding the maximum number in an array.

    • Choose an efficient algorithm, e.g., O(n) time complexity for a linear search.

    • Implement the solution in code, ensuring clarity and maintainability.

    • Write unit tests to cover edge cases, e.g., empty array, single element.

    • Analyze space complexity, ensuring minimal a...

  • Answered by AI
    Add your answer
Round 4 - One-on-one 

(1 Question)

  • Q1. High level Design
  • Add your answer
Round 5 - One-on-one 

(1 Question)

  • Q1. Techno - Managerial
  • Add your answer
Round 6 - HR 

(1 Question)

  • Q1. Normal discussion benefits and salary
  • Add your answer
Anonymous
company Logo

Senior Engineer Interview Questions & Answers

Target user image Anonymous

posted on 1 Apr 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Questions around spring boot. Rotate and array k times. Merge two sorted lists.
  • Add your answer
Anonymous
company Logo

Senior Engineer Interview Questions & Answers

Target user image Anonymous

posted on 7 Jun 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Write design for URL sortner
  • Ans. 

    Design a URL shortener system

    • Use a unique identifier for each long URL to generate a short URL

    • Store the mapping of short URL to long URL in a database

    • Implement a redirect mechanism to redirect short URLs to their corresponding long URLs

    • Consider scalability and performance while designing the system

  • Answered by AI
    Add your answer
  • Q2. Program to detect cycle on linked list
  • Ans. 

    Use Floyd's Tortoise and Hare algorithm to detect cycle in a linked list.

    • Initialize two pointers, slow and fast, at the head of the linked list.

    • Move slow pointer by one step and fast pointer by two steps.

    • If they meet at any point, there is a cycle in the linked list.

  • Answered by AI
    Add your answer

Skills evaluated in this interview

Anonymous
More about working at Tesco
  • Retail
  • 1k-5k Employees (India)
  • Fashion & Textile

Tesco Interview FAQs

What are the top questions asked in Tesco Devops Engineer interview?

Some of the top questions asked at the Tesco Devops Engineer interview -

  1. How do you handle secrets in your pipeli...read more
  2. Explain the CI/CD setup in your proje...read more

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Overall Interview Experience Rating

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based on 1 interview experience

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Tesco Devops Engineer Salary
based on 33 salaries
₹3 L/yr - ₹10.6 L/yr
26% less than the average Devops Engineer Salary in India
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