Mordor Intelligence Senior Software Engineer Interview Questions and Answers

Q1. Maximal rectangal
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Q2. Loop in linked list
Ans. 
Loop in linked list is a situation where a node points to a previous node in the list, creating an infinite loop.
• Check for loops using Floyd's cycle detection algorithm

• Use two pointers, one moving twice as fast as the other, to detect a loop

• If the fast pointer catches up to the slow pointer, there is a loop
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Q1. Basic hr question regarding your project and all
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Q2. He was more interested in what is my thinking pattern
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1. The online test includes questions related to spark and a coding questions.

Q1. Questions related to sql , spark, data structures were asked
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Q2. 1. Questions based on window functions (rank, dense_rank)
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Q1. Overall discussion of the projects that you have worked on.
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1 coding test having a DP question and some spark based questions.

Q1. Fibonacci using DP
Ans. 
Fibonacci using Dynamic Programming
• Use an array to store calculated Fibonacci numbers to avoid redundant calculations

• Start with base cases of 0 and 1, then iterate to calculate subsequent Fibonacci numbers

• Time complexity can be reduced from exponential to linear using DP
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Q2. SQL questions ( ranks and partition)
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Q1. Design based questions
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Q1. Data structures
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Q2. Solid Principles
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Q3. Single responsibility principle
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Single responsibility principle states that a class should have only one reason to change.
• Each class should have only one responsibility

• Helps in making code more maintainable and easier to understand

• Promotes separation of concerns

• Example: A class that handles user authentication should not also handle file management
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Q4. Javascript question
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Q5. Object oriented concepts
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It was an easy test. It consisted of MCQs and two coding qns. Prepare SQL well. It also had 2 programming question. Both were medium difficukty

Q1. It was mainly focussed on my projects. Be thorough with you resume. But it also depends on the interviewer.
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Q1. Orientation skills
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Q2. Tell me about yourself
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Good number of questions on permutations, english etc

Q1. What do you know about this company?
Ans. 
The company is a leading software development firm specializing in creating innovative solutions for various industries.
• Specializes in creating innovative software solutions

• Works with clients from various industries

• Known for high-quality and reliable products

• Has a strong team of experienced developers

• Focuses on staying up-to-date with the latest technologies
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In Mu Sigma APT round is divided into 3 sections Quant, Logical and verbal