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Walmart Interview Questions and Answers
334 Interview questions
Design an auto-suggest feature that provides real-time suggestions based on user input.
Use a trie data structure for efficient prefix searching.
Implement a debounce mechanism to limit API calls while typing.
Fetch suggestions from a backend service based on user input.
Consider user context and history for personalized suggestions.
Example: As the user types 'ap', suggest 'apple', 'apricot', 'application'.
SAP security refers to the measures taken to protect SAP systems and data from unauthorized access and misuse.
SAP security involves setting up user roles and authorizations to control access to sensitive data
It includes implementing encryption, authentication, and audit trails to ensure data integrity
Regular security assessments and updates are necessary to protect against vulnerabilities
Examples of SAP security t...
My strength lies in effective communication and team collaboration, fostering a positive work environment and driving project success.
Strong interpersonal skills: I actively listen to team members, ensuring everyone feels heard and valued.
Conflict resolution: I mediate disputes by encouraging open dialogue, leading to quicker resolutions and a harmonious team dynamic.
Goal-oriented leadership: I set clear objective...
To give space in span, use CSS properties like padding, margin, or line-height.
Use padding property to add space inside the span element
Use margin property to add space outside the span element
Use line-height property to adjust the height of the line containing the span element
Yes, my home is set up to minimize distractions and promote a focused work environment.
Dedicated workspace: I have a specific area in my home designated for work, equipped with all necessary tools.
Noise control: I use noise-canceling headphones to block out background sounds, ensuring I can concentrate.
Scheduled breaks: I plan regular breaks to recharge, which helps maintain my focus during work hours.
Minimal clut...
Best customer service involves actively listening to customers, addressing their needs promptly, and going above and beyond to exceed their expectations.
Actively listen to customers to understand their needs and concerns.
Address customer inquiries and issues promptly and effectively.
Personalize interactions with customers to make them feel valued and appreciated.
Go above and beyond by offering additional assistanc...
Designing a multiplayer game involves creating a system where multiple players can interact and compete with each other in real-time.
Consider the game genre and mechanics to determine the type of multiplayer experience (e.g. turn-based, real-time, co-op, competitive).
Implement networking functionality to allow players to connect to a central server or directly with each other.
Design a matchmaking system to pair pl...
Design an LRU cache using a hashmap and a doubly linked list for efficient access and eviction.
Use a hashmap for O(1) access to cache items.
Implement a doubly linked list to maintain the order of usage.
On cache hit, move the accessed item to the front of the list.
On cache miss, add the new item to the front and evict the least recently used item from the back.
Example: For a cache size of 2, accessing keys 1, 2, th...
Callback method in Java allows passing a function as an argument to another function. Alternatives include using interfaces, lambda expressions, and method references.
Callback method allows passing a function as an argument to another function
Alternatives include using interfaces, lambda expressions, and method references
Example: Using Runnable interface in Java to pass a function as a callback
You can invoke a method using a constructor by creating an instance of the class and calling the method, or by using a variable that holds a reference to the method.
Invoke method using constructor: ClassName obj = new ClassName(); obj.methodName();
Invoke method using variable: ClassName obj = new ClassName(); Runnable r = obj::methodName; r.run();
Walmart Interview Experiences
409 interviews found
Anonymous
I appeared for an interview in Feb 2025.
(4 Questions)
- Q1. Tell me about myself
- Q2. About my current role and responsibilities
- Q3. About Sourcing background
- Q4. Explain one Sourcing experience with end to end process
- Ans.
Managed a sourcing project for office supplies from vendor selection to contract negotiation
Identified key requirements for office supplies based on department needs
Researched and evaluated potential vendors based on quality, price, and delivery terms
Negotiated contracts with selected vendor to ensure favorable terms for the company
Managed the implementation of the new vendor relationship and monitored performance
Interview Preparation Tips
(3 Questions)
- Q1. How would you design an Instagram-like application that focuses solely on the upload of pictures and text?
- Ans.
Designing an Instagram-like app for photo and text uploads involves user interface, backend, and storage considerations.
User Interface: Simple and intuitive design for easy photo uploads and text entry.
Backend: Use a microservices architecture to handle uploads, user management, and notifications.
Storage: Utilize cloud storage solutions like AWS S3 for scalable image storage.
Database: Implement a NoSQL database like Mo...
- Q2. How do you handle conflicts between stakeholders and the development team?
- Ans.
I facilitate communication and collaboration to resolve conflicts between stakeholders and the development team effectively.
Establish open communication: I encourage regular meetings to discuss concerns and expectations, ensuring all voices are heard.
Identify common goals: I work with both parties to find shared objectives, which helps align their interests and fosters collaboration.
Use data-driven decision-making: I p...
- Q3. What technical contributions have you made in your work?
- Ans.
I have led multiple projects, implemented innovative solutions, and improved team efficiency through technical mentorship.
Developed a microservices architecture that improved system scalability and reduced downtime by 30%.
Implemented CI/CD pipelines that decreased deployment time from hours to minutes, enhancing team productivity.
Mentored junior engineers, resulting in a 40% increase in their code quality and confidenc...
(2 Questions)
- Q1. Could you provide a detailed explanation of your current project, including an architecture diagram and an explanation of each component, specifically focusing on the technical aspects of how third-party s...
- Ans.
Current project involves a microservices architecture integrating third-party APIs with secure authentication methods.
Microservices architecture with independent services for user management, data processing, and API integration.
API Gateway acts as a single entry point for all client requests, routing them to appropriate services.
Third-party services are called using RESTful APIs, with JSON as the data interchange form...
- Q2. What is your code review process?
- Ans.
My code review process emphasizes collaboration, quality, and continuous improvement to ensure robust and maintainable code.
Establish clear guidelines: Define coding standards and best practices to ensure consistency across the codebase.
Use pull requests: Encourage developers to submit pull requests for review, allowing for focused discussions on specific changes.
Conduct thorough reviews: Review code for functionality,...
(1 Question)
- Q1. In the brooder 3 section, questions on following sections 1) Role and process 2) People management 3) Innovation an drive
Interview Preparation Tips
Karisma jeanette singh
I appeared for an interview in Dec 2024.
(3 Questions)
- Q1. Can you tell me about yourself?
- Q2. How would you conduct a mock feedback session with a high-performing team member who doesn’t sit with his team leader neither with his team. Instead sits alone in a corner. When asked he tells that he don...
- Ans.
Encouraging a high-performing team member to engage more with their team despite discomfort.
Acknowledge and validate their concerns about noise and bright lights
Offer solutions such as noise-canceling headphones or adjusting the lighting in their area
Highlight the benefits of collaborating and sharing ideas with the team
Encourage team bonding activities outside of work to build relationships
Provide flexibility in seati...
- Q3. What do you understand by the term Customer Relationship Management (CRM)?
- Ans.
CRM is a strategy for managing interactions with customers to improve relationships and drive sales.
CRM involves collecting and analyzing customer data to better understand their needs and preferences
It focuses on building and maintaining strong relationships with customers through personalized communication
CRM systems help businesses track customer interactions, manage leads, and streamline sales processes
Examples of ...
Interview Preparation Tips
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. What are the key System design considerations for implementing flash sales and managing high-velocity products in an eCommerce platform?
- Ans.
Key considerations for flash sales in eCommerce include scalability, inventory management, user experience, and data analytics.
Scalability: Ensure the system can handle sudden spikes in traffic, e.g., using cloud services like AWS or Azure.
Load Balancing: Distribute incoming traffic across multiple servers to prevent overload, e.g., using tools like NGINX or HAProxy.
Caching: Implement caching strategies (e.g., Redis or...
- Q2. Can you elaborate on your experience in designing a notification system or service, particularly regarding bulk notification processing using SMS, push notifications, and email?
- Q3. What factors should be considered when choosing a database for system design, and can you explain the CAP theorem, as well as the concepts of data sharding, partitioning, and replicas?
- Ans.
Choosing a database involves various factors like scalability, consistency, and performance, alongside understanding CAP theorem and data strategies.
1. **Data Model**: Choose between relational (e.g., PostgreSQL) and NoSQL (e.g., MongoDB) based on data structure.
2. **Scalability**: Consider if the database can handle growth; NoSQL databases often scale horizontally.
3. **Consistency vs. Availability**: Understand the tr...
Interview Preparation Tips
I appeared for an interview in Dec 2024.
(6 Questions)
- Q1. LLD Concepts & Engineering Excellence
- Q2. CI & CD
- Q3. Design choices
- Q4. Dora Metrics, Observability
- Q5. Influx ,ELK, Kafka
- Q6. Design question
(1 Question)
- Q1. Solution Design Round
(1 Question)
- Q1. General Behaviour Questions
I appeared for an interview in Jan 2025, where I was asked the following questions.
- Q1. Example of optimizing the process
- Ans.
Optimizing processes involves streamlining operations to enhance efficiency and reduce waste.
Conducted a time-motion study to identify bottlenecks in the assembly line, reducing production time by 20%.
Implemented a new inventory management system that decreased stock discrepancies by 30%.
Introduced a digital scheduling tool that improved staff allocation and reduced overtime costs by 15%.
Streamlined the customer feedba...
- Q2. When you had to deal with tight deadlines.
- Ans.
I successfully managed tight deadlines by prioritizing tasks, collaborating with my team, and maintaining clear communication.
Prioritized tasks based on urgency and impact, ensuring critical deadlines were met first.
Implemented a daily stand-up meeting to track progress and address any roadblocks quickly.
Utilized project management tools to visualize timelines and allocate resources effectively.
Example: During a produc...
- Q3. Your background and why do you want to switch
Divya Rani
I appeared for an interview in Aug 2024.
(6 Questions)
- Q1. Explain useState for managing state, useEffect for handling side effects, useMemo for performance optimization, and useCallback for memoizing functions. Understand how these hooks enhance functional compon...
- Ans.
Explanation of useState, useEffect, useMemo, and useCallback hooks in React functional components.
useState is used to manage state in functional components
useEffect is used for handling side effects like data fetching, subscriptions, etc.
useMemo is used for performance optimization by memoizing expensive calculations
useCallback is used for memoizing functions to prevent unnecessary re-renders
These hooks enhance functio...
- Q2. Describe lifecycle methods in class components and their functional equivalents with hooks. Know how to handle component mounting, updating, and unmounting.
- Ans.
Lifecycle methods in class components and their hooks equivalents manage component behavior during mounting, updating, and unmounting.
componentDidMount: Runs after the component is mounted. Use useEffect(() => { /* code */ }, []); for hooks.
componentDidUpdate: Invoked after updates. Use useEffect(() => { /* code */ }, [dependencies]); for hooks.
componentWillUnmount: Cleanup before unmounting. Use return function ...
- Q3. Understand setting up a Redux store, connecting components, and managing actions and reducers. Be familiar with middleware like Redux Thunk or Redux Saga for handling asynchronous actions.
- Ans.
Setting up Redux store, connecting components, managing actions and reducers, and using middleware like Redux Thunk or Redux Saga for handling asynchronous actions.
Setting up a Redux store involves creating a store with createStore() function from Redux, combining reducers with combineReducers(), and applying middleware like Redux Thunk or Redux Saga.
Connecting components to the Redux store can be done using the connec...
- Q4. How to add and manipulate elements in arrays using JavaScript (e.g., inserting "watermelon" in the middle)?
- Ans.
To add and manipulate elements in arrays using JavaScript, you can use array methods like splice() and slice().
Use the splice() method to insert elements into an array at a specific index. For example, arr.splice(index, 0, 'watermelon') will insert 'watermelon' at the specified index without removing any elements.
To manipulate elements in an array, you can use methods like splice() to remove elements or slice() to extr...
- Q5. Use and purpose of Math.floor() in JavaScript.
- Ans.
Math.floor() is a method in JavaScript that rounds a number down to the nearest integer.
Math.floor() returns the largest integer less than or equal to a given number.
It is commonly used to convert a floating-point number to an integer.
Example: Math.floor(3.9) returns 3.
- Q6. Mocking components in Jest, including handling props and named exports
- Ans.
Mocking components in Jest for testing with props and named exports
Use jest.mock() to mock components and their exports
For handling props, use jest.fn() to create mock functions and pass them as props to the component being tested
For named exports, use jest.mock() with a second argument to specify the module's exports
Interview Preparation Tips
- useMemo
- Splice vs Slice
- saga
- use of redux and purpose
- useCallback
- jest mocking
- what is use of Math.floor()
- ceil
- classComponent
In Round 1, interviewer ask only frontend question ,expect to discuss the use of React hooks like useState, useEffect, useMemo, and useCallback for managing state and optimizing performance in functional components, understand component lifecycle methods and their functional equivalents, and demonstrate knowledge of Redux for global state management, including middleware like Redux Thunk or Redux Saga. Additionally, be familiar with modern JavaScript features such as ES6+ syntax and array manipulation methods to write clean and efficient code.
Skills evaluated in this interview
Selected
I applied via Indeed and was interviewed in Oct 2024. There were 2 interview rounds.
A test that rated your ability to work retail and handel customers.
(5 Questions)
- Q1. Whats your availability like/ is it flexible.
- Ans.
I have a flexible availability and can adjust my schedule as needed.
I am available to work weekdays, weekends, and evenings.
I can easily switch shifts with advance notice.
I am open to working overtime if required.
I am willing to accommodate any scheduling needs of the company.
- Q2. Whats your previous job experiences.
- Ans.
I have 5 years of experience in marketing and sales roles at a tech company.
Worked on developing marketing strategies to increase brand awareness
Managed social media accounts and created engaging content
Collaborated with sales team to generate leads and close deals
- Q3. How well can you manage unhappy/ unpleasant customers.
- Ans.
I have experience in de-escalating situations with unhappy customers by actively listening, empathizing, and finding solutions.
Active listening to understand the customer's concerns
Empathizing with the customer's emotions
Finding solutions to address the customer's issues
Remaining calm and professional throughout the interaction
Offering alternatives or compensation when appropriate
- Q4. How are your customer service skills.
- Ans.
I excel in customer service by actively listening, empathizing, and providing tailored solutions to meet client needs.
Active Listening: I ensure I fully understand customer concerns by paraphrasing their issues back to them.
Empathy: I relate to customers' feelings, which helps build rapport and trust, such as when I assisted a distressed client with a billing issue.
Problem-Solving: I approach challenges with a solution...
- Q5. Are you a good team worker or better alone.
Selected
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There was 1 interview round.
(4 Questions)
- Q1. What do you know about catalog analyst role?
- Ans.
Catalog Analyst role involves managing product data, ensuring accuracy and consistency in catalogs.
Responsible for creating, updating, and maintaining product catalogs
Ensuring accuracy and consistency of product data
Analyzing catalog performance and making recommendations for improvements
Collaborating with cross-functional teams such as marketing, sales, and product development
Knowledge of data management systems and t...
- Q2. Any 5 excel shortcuts
- Ans.
Five useful Excel shortcuts for efficient data analysis.
Ctrl + C: Copy selected cells
Ctrl + V: Paste copied cells
Ctrl + Z: Undo previous action
Ctrl + Shift + Arrow Key: Select entire data range in a direction
Ctrl + Home: Move to cell A1
- Q3. When do you use pivot table, vlookup, hlookup, xlookup?
- Ans.
Pivot table for summarizing data, vlookup for finding values in a table, hlookup for horizontal lookup, xlookup for advanced lookup.
Pivot table is used to summarize and analyze large datasets.
VLOOKUP is used to find a value in a table by row.
HLOOKUP is used to find a value in a table by column.
XLOOKUP is a more advanced version of VLOOKUP and HLOOKUP, allowing for more flexibility in searching for data.
Example: Use piv...
- Q4. Questions from resume
Interview Preparation Tips
- Advanced Excel
Skills evaluated in this interview
I appeared for an interview in Jan 2025.
Conduct a voice test focusing on spontaneous communication within the software, ensuring it is time-oriented.
(1 Question)
- Q1. Self Intro and overall experience.
Interview Preparation Tips
His name is Sourabh Sharma who just joined the organization 7 months ago. Maybe in the third quarter of 2024.
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Walmart Interview FAQs
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The duration of Walmart interview process can vary, but typically it takes about less than 2 weeks to complete.
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