Amazon Interview Questions, Process, and Tips

Question on time,profit and loss, speed and distance

Q1. Tell me about yourself and strength
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Q1. What is the format and content of the coding test conducted by Amazon?
Ans. 
Amazon coding tests typically consist of multiple choice questions, debugging exercises, and coding challenges.
• Multiple choice questions testing knowledge of programming concepts and algorithms

• Debugging exercises to identify and fix errors in code snippets

• Coding challenges to solve algorithmic problems within a time limit

• Examples: Implementing a sorting algorithm, solving a problem using dynamic programming
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Q2. What is your understanding of the work processes at Amazon?
Ans. 
Amazon work processes involve efficient order fulfillment, inventory management, customer service, and continuous improvement.
• Order fulfillment involves picking, packing, and shipping items quickly and accurately.

• Inventory management includes tracking stock levels, replenishing items, and optimizing storage space.

• Customer service focuses on resolving issues, answering inquiries, and ensuring customer satisfaction.

• Conti...read more
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Binary Search based optimisation question

Q1. Tree based question, min cost to reach a node
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Q2. LLD of product service in a e-commerce platform
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Majorly the interviews revolve around the following skills :
1. Advanced SQL
2. PYTHON (DSA)

Majorly the interviews revolve around the following skills :
1. Advanced SQL
2. python (DSA)

Q1. Which techniques you would have used on a system you have worked in the past to be able to optimise it further. (Deep knowledge of the databases is required)
Ans. 
I would have used indexing, query optimization, and data partitioning to optimize the system.
• Implement indexing on frequently queried columns to improve search performance.

• Optimize queries by using proper joins, filters, and aggregations.

• Partition large tables to distribute data across multiple storage devices for faster access.

• Use materialized views to precompute and store aggregated data for quicker retrieval.
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Q2. Situational questions on the ETL tools used and advantages and disadvantages of both
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Q1. Describe a complex situation you were in at workplace and how did you handle it?
Ans. 
Handled a complex data migration project by breaking it down into smaller tasks and collaborating with team members.
• Identified key stakeholders and their requirements

• Developed a detailed project plan with timelines and milestones

• Assigned specific tasks to team members based on their strengths and expertise

• Regularly communicated progress updates and addressed any issues promptly
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Q1. Tested my computer fundamnetal knowledge: os, dbms, software engineering, oops etc
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2 questions of binary search and priorrity queue

Q1. Leetcode 767. Reorganize string
Ans. 
Rearrange characters in a string such that no two adjacent characters are the same.
• Create a frequency map of characters in the string.

• Use a priority queue to rearrange characters based on frequency.

• If the most frequent character exceeds half the length of the string, return an empty string.
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Q2. Leetcode 113. Path sum 2
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Q1. What can I help you
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Q2. Any thing else may I help you
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Q3. Is anything elsei can helpu
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