JPMorgan Chase & Co. Associate Software Developer Interview Questions and Answers

There were three coding questions.

Q1. Could you provide a thorough explanation of the project?
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Q2. OOps Concepts and question from the technical subjects
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Q3. Why Spring Boot
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Q4. JWT Authentication
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Q5. Docker and Kubernetes
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Test was for Web Development - React
75min test
3 Questions
1 Coding Question
2 Scenario based questions

Q1. React Optimization techniques
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Q2. React Advantages
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Q1. How to debug in production environment?
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Q1. Challenges faced during work and how you overcome?
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Q1. Why you choose Wells fargo over other offers?
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Q1. They grind u in javascript,typescript
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Q2. Html css, angular
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Q3. Deep preparation needed
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Q1. What is list comprehension
Ans. 
List comprehension is a concise way to create lists in Python by applying an expression to each item in an iterable.
• List comprehension is written inside square brackets []

• It consists of an expression followed by a for clause, then zero or more if clauses

• Example: squares = [x**2 for x in range(10)]
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Q2. Explain spark architecture
Ans. 
Apache Spark is a distributed computing system that provides an interface for programming entire clusters with implicit data parallelism and fault tolerance.
• Apache Spark follows a master-slave architecture with a driver program that communicates with a cluster manager to distribute work across worker nodes.

• It uses Resilient Distributed Datasets (RDDs) as the basic data structure, which are immutable distributed collect...read more
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Write code for palindtomr

Q1. Project Architecture
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Q1. Informatica tech questions
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Q1. Difference between View and materialized view and related follow up questions 2. Difference between Procedure and Function 3. Write a SQL query for print the last date of month . 4. Write a Procedure and...read more
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Q1. What is the difference between normal and arrow functions
Ans. 
Arrow functions are more concise and have a lexical 'this' binding compared to normal functions.
• Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.

• Arrow functions do not have their own 'arguments' object.

• Arrow functions cannot be used as constructors with 'new'.

• Arrow functions are more concise and have implicit return when no curly braces are used.
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Q2. All basic JS Questions to cover Hoisting closure
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Q3. They asked to show me an example using the API call
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Q4. Difference between forEach and Map
Ans. 
forEach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• forEach does not return a new array, while map does

• forEach does not modify the original array, while map creates a new array

• forEach is used for side effects, while map is used for transformation

• Example: forEach - array.forEach(item => console.log(item)), map - const newAr
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