MapmyIndia Software Engineer Interview Questions and Answers

Q1. My expertise are in golang. And all the questions were straight forward around golang.
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Q2. What is concurrency. How to check performance of applications. How to handle concurrency. How many no of goroutines can be created and so on.
Ans. 
Concurrency is the ability of a system to run multiple tasks simultaneously. Performance of applications can be checked using profiling tools. Concurrency can be handled using synchronization techniques like mutexes and channels.
• Concurrency allows multiple tasks to run concurrently, improving performance and responsiveness.

• Performance of applications can be checked using profiling tools like Go's built-in 'pprof' packa...read more
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Q1. How to make sure there are no vulnerabilities. What engineering principles you follow.
Ans. 
To ensure no vulnerabilities, follow secure coding practices, conduct regular security audits, use encryption, and stay updated on security threats.
• Follow secure coding practices such as input validation, output encoding, and parameterized queries.

• Conduct regular security audits to identify and address vulnerabilities in the code.

• Use encryption to protect sensitive data in transit and at rest.

• Stay updated on security t...read more
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Q1. Linkedlist , array, stack
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Q2. What is big data
Ans. 
Big data refers to large volumes of structured and unstructured data that is too complex for traditional data processing applications.
• Big data involves processing and analyzing large volumes of data to uncover patterns, trends, and insights.

• It can come from various sources such as social media, sensors, devices, and business transactions.

• Examples of big data technologies include Hadoop, Spark, and NoSQL databases.

• Big d...read more
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Q1. They asked to design a database table
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It was a snippet of code given where we have to find the correct output

Q1. Technical round where a problem of leetcode easy is given in array.
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Q1. Normal HR questions asked
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Q1. Coding question based on stacks
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Q2. Java and Spring Boot questions..too much grilling
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Q1. Technical questions that includes coding as well
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Q1. Technical and Managerial discussion
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Q1. Salary discussion
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Q1. Find the index of second maximum interger in a given array.
Ans. 
Find the index of second maximum integer in a given array.
• Iterate through the array to find the maximum integer.

• Then iterate again to find the second maximum integer and return its index.
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