Fidelity Investments Interview Questions, Process, and Tips

Q1. 1. What is difference between spring and spring boot? 2. Write code for singleton class in Java? 3. What is Marker interface? 4. What is concurrent hash map and how does it work? 5. How will you address pe...read more
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Sample interview questions for Software Engineer position
• Spring vs Spring Boot

• Singleton class in Java

• Marker interface

• Concurrent Hash Map

• Performance issues in SQL/Oracle

• Mapping in Hibernate ORM

• Spring Boot application execution

• Difference between PUT and POST methods

• Authentication in Java application

• Controller class structure in notepad

• Scope of Spring bean

• URL structure and parts

• Difference between Java and JavaScript

• Applic...read more
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Q1. What is GDP of the company? What are the latest features of Java 8? Write Java code snippet to count number of 1s, 2s, 3s in an array [1,2,2,3,3,4,4,1,2,3] Write functional programming code to iterate over...read more
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Interview questions for Software Engineer position
• GDP is not relevant to the Software Engineer position

• Java 8 features include lambda expressions, streams, and default methods

• Java code snippet: use a HashMap to count occurrences of each number

• Functional programming code: use forEach or map method to iterate over list
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Q1. Why you? What is your greatest weakness and what you do to it? When you are under extreme stress, what makes you focus your deliverables? Are you ok to relocate? Are you ok to commute long distances?
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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
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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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