Walmart Senior Engineering Manager Interview Questions, Process, and Tips

Q1. LLD Concepts & Engineering Excellence
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Q2. CI & CD
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Q3. Design choices
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Q4. Dora Metrics, Observability
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Q5. Influx ,ELK, Kafka
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Q6. Design question
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Q1. Solution Design Round
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Q1. General Behaviour Questions
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Q1. Design url shortener
Ans. 
Design a URL shortener system
• Generate a unique short code for each URL

• Store the mapping of short code to original URL in a database

• Redirect users from short URL to original URL

• Consider scalability and performance

• Implement analytics to track usage statistics
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DP program to find maxium sum of given array.

Q1. Design calculator app
Ans. 
Design a calculator app with basic arithmetic operations.
• Include basic arithmetic operations like addition, subtraction, multiplication, and division.

• Design a user-friendly interface with large buttons for numbers and operations.

• Allow users to input numbers using both keypad and touch screen.

• Implement error handling for division by zero and other invalid inputs.
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Q1. How do you ensure a payment does get credited to wrong employee account?
Ans. 
We implement multiple checks and balances to ensure payments are credited to the correct employee account.
• We verify the employee's account number and name before processing any payment.

• We implement a two-step verification process to ensure accuracy.

• We conduct regular audits to ensure all payments are correctly credited.

• We have a dedicated team to handle any payment discrepancies or errors.

• We provide training to employe...read more
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Q2. Positive pay file and system validations
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Q3. What kind of projects have you worked on?
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Q4. Implementation, Support, Practice development
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Q5. What happens if you try to terminate an terminated employees?
Ans. 
Attempting to terminate an already terminated employee has no effect.
• The employee's status will remain terminated.

• No action will be taken by the termination process.

• The terminated employee will not receive any further communication from the company regarding their employment status.
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Q6. Can you add more events in successfactors EC?
Ans. 
Yes, additional events can be added in SuccessFactors EC.
• Additional events can be added through the Manage Business Configuration tool.

• Events can be customized to fit specific business needs.

• Examples of additional events include onboarding, offboarding, and promotions.
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Q7. What is difference between Employee Profile and Employee Central?
Ans. 
Employee Profile is a subset of Employee Central which contains personal and employment information of an employee.
• Employee Central is a comprehensive HR system that includes Employee Profile as one of its modules.

• Employee Profile contains basic personal and employment information of an employee such as name, contact details, job title, etc.

• Employee Central includes additional modules such as Time and Attendance, Payro...read more
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Q8. What are potential issues with moving payroll to Successfactors EC Payroll?
Ans. 
Moving payroll to Successfactors EC Payroll can have potential issues.
• Integration with other HR systems may be challenging

• Data migration can be complex and time-consuming

• Customization may be limited

• Training employees on new system may be required

• Costs associated with implementation and maintenance

• Compliance with local laws and regulations may be difficult
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Q9. What is payroll control center and details of how it specifically works?
Ans. 
Payroll Control Center is a tool that streamlines payroll processing and provides real-time insights into payroll data.
• PCC allows for centralized management of payroll data and processes

• It provides real-time visibility into payroll data and analytics

• PCC can automate payroll processes and calculations

• It can integrate with other HR and finance systems

• PCC helps ensure compliance with payroll regulations and policies
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Q1. Details about projects and deep dives on various technical aspects
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Q2. Details of certifications and how was it prepared for
Ans. 
I have multiple certifications in various fields of engineering.
• I have a certification in project management from PMI.

• I also have a certification in Six Sigma Green Belt.

• I prepared for these certifications by attending training sessions and studying the course material.

• I also took practice exams to ensure I was fully prepared for the actual certification exam.
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Q3. API and integration of Successfactors
Ans. 
Successfactors API and integration are crucial for efficient HR management.
• Successfactors API allows for seamless integration with other HR systems.

• Integration can automate processes such as onboarding and offboarding.

• API can be used to extract data for reporting and analysis.

• Integration can improve data accuracy and reduce manual errors.

• Examples of integrations include SAP ERP, Workday, and Salesforce.
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Q4. Payroll schema, features, functions, operations
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Q1. Ways of working, expectations from roles, potential duties
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Q1. Management round explaining roles and responsibilities. Understanding ambitions and core strengths and weaknesses
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Q2. Why are you leaving current organization
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Q3. What is your management style?
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Q4. What might prevent your from joining us?
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Q1. Tell me about yourself
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Q1. Design choices, Project deep dive
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Q1. System Design round - Designing solution
Ans. 
Design a scalable and fault-tolerant system for a social media platform
• Use microservices architecture to break down the system into smaller, independent services

• Implement load balancing to distribute traffic evenly across servers

• Utilize caching mechanisms to improve performance and reduce database load

• Implement redundancy and failover mechanisms to ensure high availability

• Use monitoring and alerting tools to detect and
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Q1. People Management and Process Projects and Timelines Personal and team growth
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