Matrimony.com Senior Software Engineer Interview Questions and Answers

String and DP questions

Q1. Design BookMyShow
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Q1. Past challenging projects
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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 react, and why you chose it
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React is a JavaScript library for building user interfaces, known for its efficiency and flexibility.
• React allows for the creation of reusable UI components, making development faster and more efficient.

• It uses a virtual DOM for optimal performance by only updating the necessary components when data changes.

• React's component-based architecture promotes code reusability and maintainability.

• It has a large and active comm...read more
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Q1. Coding and behavioral questions
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Q1. Design hld interview asked question
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Q2. Design lld asked question
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Q1. Given array of integer create subarray with sum = 0
Ans. 
Create subarrays with sum = 0 from given array of integers.
• Iterate through the array and keep track of the running sum.

• Store the running sum in a hashmap and check if the current sum - any previous sum equals 0.

• If yes, then the subarray between those two indices has a sum of 0.
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Q2. Left view of binary tree
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The left view of a binary tree is the set of nodes visible when the tree is viewed from the left side.
• Traverse the tree in a level order manner and keep track of the first node at each level.

• Use a queue to store nodes at each level and update the left view nodes accordingly.

• Example: For a binary tree with root node 1, left child 2, and right child 3, the left view would be [1, 2].
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Q1. What are Microservices
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Microservices are a software architecture pattern where applications are built as a collection of small, loosely coupled services.
• Microservices are independent and autonomous services that communicate with each other through APIs.

• Each microservice is responsible for a specific business capability and can be developed, deployed, and scaled independently.

• Microservices promote flexibility, scalability, and resilience in s...read more
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Q1. What are SOAP APIs
Ans. 
SOAP APIs are a protocol for exchanging structured information in web services using XML-based messages.
• SOAP stands for Simple Object Access Protocol

• It is a messaging protocol that allows programs running on different operating systems to communicate with each other

• SOAP APIs use XML to format the data being sent

• They are commonly used in enterprise-level applications for integrating different systems

• SOAP APIs provide a
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Q2. What are Rest APIs?
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REST APIs are a set of rules and protocols that allow different software applications to communicate and interact with each other over the internet.
• REST stands for Representational State Transfer

• REST APIs use HTTP methods like GET, POST, PUT, DELETE to perform operations on resources

• REST APIs are stateless, meaning each request from a client to a server contains all the necessary information

• REST APIs typically return d...read more
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Q1. Easy DSA questions on string manipulation
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Q1. Build an MVC architecture
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MVC architecture separates an application into Model, View, and Controller components for better organization and scalability.
• Model represents the data and business logic

• View displays the data to the user

• Controller handles user input and updates the model

• Example: Model - User class with properties like name, email; View - HTML template to display user info; Controller - User controller to handle user actions
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Q1. Discussed previous job experiences.
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Q2. Was asked if I am comfortable working on weekends/late nights during emergencies.
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Q1. What are your strengths/weaknesses.
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Simple ds algo and knowledge of nodejs

Q1. Simple question about your previous job
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Q2. Previous salary and previous work exp
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