Fidelity Investments Interview Questions, Process, and Tips

Q1. 1. Explain protractor framework 2. What is package lock file ? 3. Difference between === and == in JS 4. A javascript program to reverse a number
Ans. 
Answers to technical questions for Lead Software Engineer position
• Protractor is an end-to-end testing framework for AngularJS applications

• Package lock file is used to lock the version of dependencies installed in a project

• === checks for both value and type equality while == checks for value equality only

• function reverseNumber(num) { return parseInt(num.toString().split('').reverse().join('')) }
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Q1. 1. Program to swap two numbers without using temp 2. Encapsulation in java with example
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Program to swap two numbers without using temp and encapsulation in Java with example
• Use XOR operator to swap two numbers without using temp variable

• Encapsulation is a mechanism to hide data and methods from outside world

• Example: private variables with public getter and setter methods
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Q1. Managerial discussion of aspirations
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Q1. Where do you see yourself in 5 years?
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Q2. Why are you looking for a change?
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Q3. What are your salary expectations?
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Q4. What is your family background?
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Q5. Share details of your previous job.
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Q6. What are your strengths and weaknesses?
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Q7. Tell me about yourself.
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2 moderate data structure problems

Q1. Write the code for Fibonacci series
Ans. 
Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.
• Declare variables for first two numbers of the series

• Use a loop to generate the series by adding the previous two numbers

• Store the series in an array or print each number as it is generated
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Q2. Write a SQL joining two tables on a key column
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Join two tables on a key column using SQL
• Use the JOIN keyword followed by the name of the second table

• Specify the key column in both tables using the ON keyword

• Choose the type of join (INNER, LEFT, RIGHT, FULL) based on your requirement
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Q1. What are your strengths and weaknesses?
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Q2. What are your salary expectations?
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Q3. What is your family background?
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Q4. Why should we hire you?
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Q5. Where do you see yourself in 5 years?
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Q6. Tell me about yourself.
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Aptitude test having general question

Q1. They will ask questions for unix shell scripting
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