Google Senior Software Engineer Interview Questions, Process, and Tips for Experienced

Q1. Design object store like amazon s3
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Q1. Clone the tree as mirror image
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Clone a tree by creating a mirror image of it
• Traverse the original tree in a post-order manner

• Create a new node for each visited node and assign its value

• Recursively set the left child of the new node as the mirrored right child of the original node

• Recursively set the right child of the new node as the mirrored left child of the original node
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Q2. DP Problem with 2d
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Dynamic programming problem involving a 2D array
• Break down the problem into subproblems and store the results in a 2D array

• Consider using top-down or bottom-up approach depending on the problem

• Examples: Longest Common Subsequence, Minimum Path Sum
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Coding on the sudoko probelm

Q1. Technical interview was on the connected graphs
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Coding test with 2 questions

Q1. System Design with LLD implementation
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System design involves creating a high-level design of a software system, followed by implementing the detailed low-level design.
• Start by understanding the requirements and constraints of the system

• Create a high-level design that outlines the components and interactions of the system

• Implement the detailed low-level design, considering factors like scalability, performance, and maintainability

• Use tools like UML diagrams...read more
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Q1. System Design with HLD
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System Design with HLD involves designing the high-level architecture of a software system.
• Understand the requirements and constraints of the system

• Identify the components and their interactions

• Consider scalability, reliability, and performance

• Use design patterns and best practices

• Create diagrams like UML or flowcharts to visualize the design
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