Simplilearn Software Development Engineer Interview Questions and Answers

Q1. Difference between var, let, const.
Ans. 
var, let, and const are all used to declare variables in JavaScript, but they have different scoping rules and behaviors.
• var has function scope and can be redeclared and reassigned

• let has block scope and can be reassigned but not redeclared

• const has block scope and cannot be reassigned or redeclared

• Use const for values that won't change, let for values that will, and avoid var
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Q2. Explain CSS box model. Do padding and margin apply to inline elements?
Ans. 
CSS box model defines the layout of elements on a webpage. Padding and margin can apply to block-level elements but not to inline elements.
• CSS box model consists of content, padding, border, and margin around an element.

• Padding adds space inside the border of an element.

• Margin adds space outside the border of an element.

• Padding and margin can apply to block-level elements like <div> but not to inline elements lik
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Q3. Difference between arrow functions and regular ones.
Ans. 
Arrow functions are shorter syntax for writing function expressions.
• Arrow functions do not have their own 'this' keyword.

• Arrow functions cannot be used as constructors.

• Arrow functions do not have the 'arguments' object.

• Arrow functions are more concise and easier to read.

• Regular functions are better for methods and constructors.
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Q4. How does JavaScript asynchronous model work
Ans. 
JavaScript asynchronous model allows non-blocking code execution by using callbacks and promises.
• JavaScript uses an event loop to handle asynchronous operations.

• Callbacks are functions passed as arguments to other functions and executed when the operation is complete.

• Promises are objects that represent the eventual completion or failure of an asynchronous operation.

• Async/await is a newer syntax that allows writing asyn...read more
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Q1. DS and algorithm questions
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Q1. IOS /Skillset questions some tricky questions
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Q1. Personality and Compensation discussion
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Aptitude test is easy.

Really tuff

Q1. What are your salary expectations?
Ans. 
I am open to discussing salary based on the responsibilities and opportunities offered by the position.
• I am flexible and willing to negotiate based on the overall compensation package.

• I am more interested in the growth potential and learning opportunities than a specific salary number.

• I would like to be compensated fairly for my skills and experience in the industry.

• I am open to discussing salary range during the inter
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Q2. What is your family background?
Ans. 
My family background is diverse and includes individuals from various professions and cultural backgrounds.
• My father is a doctor and my mother is a teacher.

• I have two siblings, one is an engineer and the other is a lawyer.

• We have relatives who are artists, entrepreneurs, and scientists.

• Our family gatherings are always filled with interesting conversations and different perspectives.
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Q3. Where do you see yourself in 5 years?
Ans. 
In 5 years, I see myself as a senior software developer leading a team and working on complex projects.
• Leading a team of developers

• Working on complex projects

• Continuously learning and improving my skills

• Contributing to the growth and success of the company
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Q4. Why should we hire you?
Ans. 
I have a strong technical background and a passion for software development.
• I have a solid understanding of programming languages and software development principles.

• I have experience working on various software projects, including [example project].

• I am a quick learner and adapt easily to new technologies and frameworks.

• I am a team player and have excellent communication skills, which are essential for collaborating w...read more
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Question were very basic from array and stacks

Write the program to swipe number

Q1. How much salary do you want and what was you last ctc
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Q2. Tell me about your family
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Q1. Related to skills that you have mentioned in your resume.
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It's Amcat test having 4 parts which is grammar, logical reasoning, basic mathematics and coding.

Q1. Another on screening nterview .
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Q1. Tell me something about your family members?
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Q1. What was your salary expectation?
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