CME Group SDE (Software Development Engineer) Interview Questions and Answers

Q1. Explain how javascript works
Ans. 
JavaScript is a high-level, interpreted programming language that is used to make web pages interactive.
• JavaScript is a client-side scripting language that runs in the browser.

• It is used to add interactivity to websites, such as form validation, animations, and dynamic content.

• JavaScript code is executed line by line and can manipulate the HTML and CSS of a webpage.

• It can also communicate with servers to retrieve or se
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Q1. Build a to do app in react
Ans. 
A to do app built in React for managing tasks and deadlines.
• Use React components to create a user interface for adding, editing, and deleting tasks

• Implement state management to keep track of tasks and their completion status

• Utilize local storage or a backend server to persist tasks between sessions
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Q1. Simple question not very hard related to java
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Q1. Mostly Tech related questions asked in first round
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Q2. Managerial round is the final one
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Any online ideas, ds-algo, medium level

Swift, security framework, api, memory management

Q1. Basic ds-algo nd technical question
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Q1. Managerial question
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Q1. Circle process related questions
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Q2. Scripting language questions
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Q1. Have you ever faced OutOfMemoryError? How did you resolve that?
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Q2. How you will load text data into DB systems?
Ans. 
Text data can be loaded into DB systems using various methods such as SQL INSERT statements, bulk loading, or ETL processes.
• Use SQL INSERT statements to insert text data into the database one record at a time.

• For large datasets, consider using bulk loading techniques like BULK INSERT or LOAD DATA INFILE.

• ETL (Extract, Transform, Load) processes can be used to extract text data from different sources, transform it as per...read more
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Q1. Which programming language would you use in which situation?
Ans. 
I would use Python for data analysis, Java for enterprise applications, and JavaScript for web development.
• Python - data analysis, machine learning, scientific computing (e.g. pandas, numpy)

• Java - enterprise applications, backend development (e.g. Spring framework)

• JavaScript - web development, front-end development (e.g. React, Angular)
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Create a service to assign a delivery operator

Q1. Design Uber ride assignment system
Ans. 
Design a system for assigning Uber rides efficiently and fairly
• Use a matching algorithm to pair riders with drivers based on location, availability, and other factors

• Implement a dynamic pricing system to incentivize drivers to accept rides in high-demand areas

• Consider implementing a rating system for both riders and drivers to ensure quality service

• Utilize real-time data and analytics to optimize ride assignments and r
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Q1. Design BookMyShow
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Q1. What qualities do you see in a leader
Ans. 
A leader should possess qualities such as communication skills, empathy, decisiveness, and the ability to inspire and motivate others.
• Communication skills - A leader should be able to effectively communicate with team members, stakeholders, and other leaders.

• Empathy - A good leader should be able to understand and relate to the emotions and experiences of others.

• Decisiveness - Leaders should be able to make tough decis...read more
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Machine coding round, try to come up with at least one working requirement

Q1. Low level design
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Q2. Cant share the exact quesy
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Q1. High level design
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Q1. Hiring manager round
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