Walmart Engineering Manager Interview Questions and Answers

Design a scalable storage system to handle increasing data volume and user traffic.

• Use distributed file systems like HDFS or GlusterFS for storing large amounts of data across multiple nodes.

• Implement sharding to distribute data across multiple servers to improve performance and scalability.

• Utilize caching mechanisms like Redis or Memcached to reduce latency and improve read/write speeds.

• Consider using cloud storage so...read more

Accrual is an accounting method where revenue or expenses are recognized when earned or incurred, regardless of when payment is received or made.

• Accrual accounting is the opposite of cash accounting

• Accruals are recorded as adjusting entries in the general ledger

• Examples of accruals include interest expense, salaries payable, and accounts receivable

• The entry for an accrual involves debiting an expense account and credit

Contingency liability is a potential liability that may occur in the future based on certain events or circumstances.

• It is a liability that is not certain but may occur in the future

• It is based on certain events or circumstances

• Examples include lawsuits, warranties, and environmental cleanup costs

Propose architecture for an application

• Identify the requirements and constraints of the application

• Choose appropriate technologies and frameworks based on requirements

• Design a scalable and modular architecture

• Consider security, performance, and maintainability

• Implement microservices architecture for flexibility and scalability