JPMorgan Chase & Co. Software Developer II 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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They posed questions assessing logical and analytical aptitude.

After completing and passing the aptitude round, I was allowed to take the coding round exam, where the questions ranged from easy to medium level.

Q1. Basic concepts of oops in java. DBMS questions.
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Q2. Questions related to my projects not in dept.
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Q3. They asked me to implement a stack using queues.
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Some questions that range from easy to medium level.

Q1. General questions around your resume, the tech stacks you worked on, fundamentals and deepdive into that.
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Q2. High level system design
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Q1. Can you describe your experience, the projects you have worked on, challenges you solved and other stuffs around that.
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Q1. Salary discussion
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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. Project Architecture
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Q1. Informatica tech questions
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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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