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American Express Software Engineer Interview Questions, Process, and Tips
Top American Express Software Engineer Interview Questions and Answers
- Q1. What is c,c++,tokens, statement, function, array,pointer, constructor,types of constructor ,destructor etc.
- Q2. Write a program to find 2nd highest number in an unsorted array.
- Q3. Write a query to find the common values from two SQL tables.
American Express Software Engineer Interview Experiences
11 interviews found
Anonymous
I applied via Naukri.com and was interviewed before Apr 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. 1. Explain SCD Type 2 Implementation in Informatica
- Ans.
SCD Type 2 is a technique used to track historical changes in data over time in a data warehouse.
SCD Type 2 maintains a separate row for each change in data, with a start and end date.
It requires a surrogate key to uniquely identify each row.
Informatica provides a built-in SCD Type 2 transformation to implement this technique.
Example: tracking changes in customer addresses over time.
Interview Preparation Tips
Skills evaluated in this interview
Riya Vats
(3 Questions)
- Q1. Spring related questions
- Q2. Java related questions
- Q3. Couple of coding questions (Easy)
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
So there were 3 coding question on Codility platform. I solved 2.7 questions and i got an interview call
(2 Questions)
- Q1. Write a program to find 2nd highest number in an unsorted array.
- Ans.
Program to find 2nd highest number in an unsorted array.
Sort the array in descending order and return the second element.
Iterate through the array and keep track of the two highest numbers.
Handle edge cases like duplicates and small array sizes.
- Q2. Write a query to find the common values from two SQL tables.
- Ans.
Use SQL JOIN to find common values in two tables.
Use INNER JOIN to combine the two tables based on a common column
Select the columns you want to display in the result
Add a WHERE clause to filter out non-matching values
Interview Preparation Tips
- SQL
- DSA
- Coding
- OS
- DBMS
What people are saying about American Express
lakshmi v
(2 Questions)
- Q1. How do you iterate only once in the linkedlist to get the mid element?
- Ans.
To find the mid element in a linked list while iterating only once, we can use the two-pointer approach.
Use two pointers, one moving at twice the speed of the other.
When the faster pointer reaches the end of the list, the slower pointer will be at the mid element.
- Q2. What is database sharability?
- Ans.
Database sharability refers to the ability of multiple users or applications to access and modify the same database concurrently.
Allows multiple users or applications to access and modify the same database simultaneously
Ensures data consistency and integrity by managing concurrent access
Commonly used in multi-user systems or applications
Examples include online banking systems where multiple users can access their accou
Skills evaluated in this interview
American Express interview questions for designations
It was a take home OA
Build a chess board using react
Get interview-ready with Top American Express Interview Questions
I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
(1 Question)
- Q1. Flatten a tree in right preorder
- Ans.
Flatten a tree in right preorder
Traverse the tree in right-preorder (root, right, left)
Use a stack to keep track of nodes
Pop nodes from stack and add to result array
Skills evaluated in this interview
Selected
2 hours long was the coding round
(3 Questions)
- Q1. Nothing simple working hours related
- Q2. Certification questions only
- Q3. About your location and all
Interview Preparation Tips
I applied via campus placement at Indian Institute of Technology (IIT), Guwahati and was interviewed in Nov 2021. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. Tell me something about yourself
- Q2. Why do you want to join Amex?
- Q3. Where do you see yourself in next 2-3 years?
- Q4. What matters most in a company - it's people, it's culture or it's tech stack?
Interview Preparation Tips
Coding Blocks
I applied via Company Website and was interviewed in May 2022. There were 3 interview rounds.
C,c++ programming
(2 Questions)
- Q1. About c,c++ programming language
- Q2. What is c,c++,tokens, statement, function, array,pointer, constructor,types of constructor ,destructor etc.
- Ans.
This question is about basic concepts in C and C++ programming languages.
C and C++ are programming languages used for system and application software development.
Tokens are the basic building blocks of a program, such as keywords, identifiers, operators, and literals.
Statements are instructions that perform a specific task.
Functions are blocks of code that perform a specific task and can be called from other parts of t...
Interview Preparation Tips
- C,c++
Skills evaluated in this interview
I applied via Company Website and was interviewed in Jun 2021. There were 5 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Difference between Spring & Spring Boot
- Ans.
Spring Boot is an extension of Spring Framework that simplifies the development of Spring-based applications.
Spring Boot provides a pre-configured environment for building applications, while Spring Framework requires more configuration.
Spring Boot includes an embedded server, while Spring Framework requires an external server.
Spring Boot provides a variety of starter dependencies to quickly add functionality, while Sp...
- Q2. Java 8 stream questions, some hands on problems as well
- Q3. Project deployment strategy in current project
- Ans.
We use a continuous deployment strategy with automated testing and manual approval.
We have a Jenkins pipeline set up for continuous integration and deployment.
Our code is automatically tested using unit tests and integration tests.
Once the tests pass, the code is deployed to a staging environment for manual testing.
If the staging tests pass, the code is deployed to production.
We also have rollback procedures in place i...
Interview Preparation Tips
Skills evaluated in this interview
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American Express Software Engineer Interview Process
based on 5 interviews in last 1 year
1 Interview rounds
- Technical Round
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