MakeMyTrip Senior Software Engineer and Lead Interview Questions and Answers

Q1. MC question on desing pattern
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Q2. Graph question, tree and hash
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Q3. Design Book my show
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Dp question of jump game

Q1. What is ambitionbox
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Q2. How many questions are there in that
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Q1. Same as above questions
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Q2. Same as above questions second one
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Basic questions only.

Q1. Basic questions like, how react works?
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Q2. What is the equivalent of ReactDOM in mobile application development?
Ans. 
The equivalent of ReactDOM in mobile application development is React Native.
• React Native is a framework for building mobile applications using React.

• It allows developers to write code in JavaScript and render native components.

• Just like ReactDOM in web development, React Native handles rendering components to the screen.
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3 coding questions, medium

Q1. Related to string and prefix sum
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Q2. How priority queue works and its implementation using min heap
Ans. 
Priority queue is a data structure that stores elements based on their priority, allowing for efficient retrieval of the highest priority element.
• Priority queue can be implemented using a min heap, where the root node always contains the minimum element.

• Insertion: Add the new element to the end of the heap and then heapify up to maintain the min heap property.

• Deletion: Remove the root node (minimum element), move the l...read more
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BFS Implementation of a jug question.

Q1. Few hashmap questions
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Q2. Object Oriented Programming questions
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Q1. STAR based scenario questions
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Q2. Previous work experience and projects
Ans. 
I have 3 years of experience working as a software engineer, with projects including a mobile app for tracking fitness goals and a web application for managing inventory.
• 3 years of experience as a software engineer

• Developed a mobile app for tracking fitness goals

• Created a web application for managing inventory
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String and DP questions

Q1. Design BookMyShow
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Q1. Past challenging projects
Ans. 
Developed a real-time data processing system for a high-traffic e-commerce platform.
• Implemented distributed computing using Apache Kafka and Spark.

• Optimized database queries to handle large volumes of data.

• Designed fault-tolerant architecture to ensure system reliability.

• Collaborated with cross-functional teams to meet project deadlines.
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Q1. What is Dependency injection
Ans. 
Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing by providing mock dependencies.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.
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Q1. Reverse given array
Ans. 
Reverse an array of strings
• Use a loop to iterate through the array and swap elements from start to end

• Alternatively, you can use built-in array methods like reverse()

• Ensure to handle edge cases like empty array or array with only one element
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