American Express interview experience Real time questions & tips from candidates to crack your interview
Software Engineer
American Express
3 rounds | 5 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 5 Months
Topics: JavaScript, ReactJs, Data Structures, HTML, CSS
Tip 1 : Practice Data structures atleast until you can solve medium level problems.
Tip 2 : For Front end roles focus more on JavaScript and 1 framework e.g. ReactJs, Angular etc.
Tip 3 : Make a habit of going through the questions you have previously solved by looking at their solutions once every week by making notes of all the good questions you solved.
Application process
Where: Other
Eligibility: No
Tip 1 : Atleast have 2 Good Projects listed. 3 would be better
Tip 2 : Avoid mentioning things you are not really good at. Mention only strong points
Interview rounds
01
Round
Easy
Online Coding Interview
Duration60 Minutes
Interview date12 Apr 2021
Coding problem2
I appeared for Front end role which consisted of 2 questions.
1. Implementing a form using ReactJs.
2. Creating a sample template using HTML and CSS.
You can attempt the exam whenever you want to and the duration was 60 mins.
1. System Design Question
Creating a simple form with basic validations on form field.
Problem approach
Tip 1 : Follow the instructions
Tip 2 : Practice some form creation before attempting the test
2. System Design Question
I was given a blueprint/template of a landing page and was asked to create it using HTML and CSS.
Problem approach
Tip 1 : Practice HTML and CSS very well.
Tip 2 : Do take care of the responsiveness of your design.
02
Round
Easy
Video Call
Duration60 Minutes
Interview date4 May 2021
Coding problem2
It was the 1st and the only technical interview round I had to go through. The interviewer asked me questions from JavaScript and ReactJs since I applied for Frontend role. I was also asked a few SQL queries and optimization techniques used to enhance the performance of application on Frontend.
1. Sort Array
Moderate
35m average time
65% success
0/80
Asked in companies
You are given an array of size ‘n’ to find the minimum number of steps to either convert it into either non-decreasing or non-increasing array. In one step you can either increment or decrement the element of the array.
2. Technical Questions
I was asked all the important JS concepts like currying, hoisting, closures etc. i was asked about techniques to optimize react code.
Problem approach
Tip 1 : Be very ready with your JS concepts.
Tip 2 : Understanding of some advanced ReactJs techniques like HOCs.
03
Round
Easy
HR Round
Duration45 minutes
Interview date7 May 2021
Coding problem1
This was a managerial round and consisted of techno-functional questions.
1. Basic HR Questions
I was asked about my past experiences like what i used to do in my previous company. I was also asked some common behavioral questions like how to deal with difficult situations or what would you do if you couldn’t deliver on time .
Problem approach
Tip 1 : Don`t fake anything that you have not done previously. Be honest
Tip 2 : Know very well about what projects you did in your previous company.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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