JPMorgan Chase & Co. Technology Analyst Interview Questions and Answers

Coding, DSA, OOPS, Mathematical Aptitude, Logical Reasoning

Q1. Questions were based out of SQL, Python libraries and Machine learning projects as a part of my resume.
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Q2. Resume based projects
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Q1. Despite being from engineering background, why do you wanted to join a financial industry?
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Q2. Where do you see yourself after 5 years?
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Q1. Equals and hashcode implementation
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Q2. Config server configuration steps
Ans. 
Config server configuration steps
• Install and set up the config server software

• Configure the server with the necessary properties and settings

• Define the repository for storing configuration files

• Create and manage configuration files

• Ensure proper security measures are in place

• Test and validate the configuration

• Monitor and maintain the config server
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Q3. Patch mapping in spring rest
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Patch mapping in Spring REST is used to partially update resources.
• Patch mapping allows clients to send only the fields that need to be updated instead of sending the entire resource.

• It is useful when updating large resources or when clients have limited bandwidth.

• Spring provides the @PatchMapping annotation to handle patch requests.

• The @PatchMapping annotation can be used with a specific URL or with a wildcard URL pat...read more
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Q1. SQL concepts related questions
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Q1. Mid level SQL related questions
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Round duration - 90 Minutes
Round difficulty - Medium

The round was conducted early in the morning.There were 3 sections:
1.Aptitude based on Maths and Logic
2.Questions based of core subjects and basic Data Structures
3.Coding Round -2 questions

Q1. 
Minimum Number of Vertices to Reach All Nodes Problem Statement
In a directed acyclic graph with 'N' nodes, given a matrix 'edges' of size M x 2 representing 'M' edges where each edge is directed from nod...read more
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Q2. 
Box Stacking Problem Statement
Consider you are provided with 'n' different types of rectangular 3D boxes. For each type of box, you have three separate arrays: height, width, and length that define the d...read more
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Round duration - 90 Minutes
Round difficulty - Medium

A face to face interview was scheduled with the interviewer.I was asked to solve a few coding questions and then asked questions based on OS and OOPS and some questions related to the working of my projects.

Q1. 
Sort 0 and 1 Problem Statement
Given an integer array ARR of size N containing only integers 0 and 1, implement a function to sort this array. The solution should scan the array only once without using an...read more
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Q2. 
Flatten a Multilevel Sorted Linked List
You are given a linked list with 'N' nodes, where each node contains two pointers: one is 'NEXT' pointing to the next node in the list, and the other is 'CHILD', po...read more
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Round duration - 40 Minutes
Round difficulty - Easy

I was asked basic HR questions and some questions based on my resume.
 

Discussing the merits and drawbacks of different workplace initiatives

Q1. Discuss Database Design
Ans. 
Database design involves creating a structure that efficiently stores and organizes data for easy retrieval and manipulation.
• Identify the data requirements and relationships between different entities

• Normalize the database to reduce redundancy and improve data integrity

• Choose appropriate data types and constraints for each field

• Create indexes to optimize query performance

• Consider scalability and future growth when desi
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Q2. Logical thinking on how to evacuate a retail store and how you would prioritise.
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