The lead Market Engineer Interview Questions and Answers

Easy leetcode data structure question

Q1. Write working code for calling a rest API, design rate limiter
Ans. 
Code for calling a REST API and designing a rate limiter
• Use a library like requests or axios to make the API call

• Implement a token bucket algorithm for rate limiting

• Set a maximum number of requests per second and queue excess requests

• Consider using a distributed rate limiter for scalability
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Q1. Design Database schema for instagram
Ans. 
Design a database schema for Instagram.
• Create tables for users, posts, comments, likes, and follows.

• Use primary and foreign keys to establish relationships between tables.

• Store user data such as username, email, and password securely.

• Include fields for post content, location, and timestamp.

• Track likes and comments on posts.

• Implement a notification system for follows and likes.

• Consider scalability and performance in the...read more
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Q1. Given a data set of hotel you need to find number of booking.
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Q2. SQL Query based upon join leetcode.
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Q1. 2 sum problem [leetcode]
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Q2. Linkedlist problem
Ans. 
Implement various operations on a linked list and solve related problems like reversing a linked list or detecting a cycle.
• Understand the basic structure of a linked list with nodes containing data and a reference to the next node.

• For insertion, update the pointers of the nodes accordingly to maintain the sequence.

• For deletion, adjust the pointers to skip the node to be deleted.

• To reverse a linked list, iterate through...read more
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The round primarily focused on assessing data structure and algorithm (DSA) knowledge, as well as coding proficiency.

Q1. SQL,Python,Machine Learning,Model based question
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Q1. General question , previous company role and responsibility etc
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Q1. Self intro - tell me about yourself
Ans. 
I am a software developer with a passion for creating efficient and user-friendly applications.
• Proficient in multiple programming languages such as Java, C++, and Python

• Experience in developing web applications using HTML, CSS, and JavaScript

• Strong problem-solving and analytical skills

• Familiarity with agile development methodologies

• Excellent communication and teamwork abilities
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Q2. Experience & why do you want to switch
Ans. 
I have 5 years of experience as a Software Developer and I want to switch to explore new technologies and challenges.
• I have 5 years of experience as a Software Developer.

• I have gained expertise in various programming languages and frameworks.

• I have successfully delivered multiple projects and contributed to their success.

• I want to switch to explore new technologies and challenges.

• I believe switching will help me enhanc
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Simple basic code for Form data

Q1. What is design for you?
Ans. 
Design is the process of creating solutions that are visually appealing, functional, and user-friendly.
• Design involves problem-solving and creativity

• It focuses on creating visually appealing and aesthetically pleasing solutions

• Design considers user experience and functionality

• Examples include graphic design, product design, and web design
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Q2. What do you expect to learn from this role?
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