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American Express Engineer Interview Questions and Answers
American Express Engineer Interview Experiences
3 interviews found
Anonymous
(2 Questions)
- Q1. How to design scalable system
- Ans.
Designing a scalable system involves considering factors like load balancing, horizontal scaling, and fault tolerance.
Utilize load balancing to distribute traffic evenly across servers.
Implement horizontal scaling by adding more servers to handle increased load.
Ensure fault tolerance by designing for redundancy and failover mechanisms.
Use caching and database sharding to improve performance and scalability.
Consider mic...
- Q2. How to debug and optimize code
- Ans.
Debugging and optimizing code involves identifying and fixing errors and improving performance.
Use debugging tools like breakpoints, print statements, and logging to identify issues
Analyze code for inefficiencies and refactor where necessary
Optimize algorithms and data structures for better performance
Profile code to identify bottlenecks and optimize critical sections
Test changes to ensure they improve performance with
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed before Apr 2022. There were 4 interview rounds.
Knapsack Algorithm problem
(1 Question)
- Q1. OOPs concept & Design
(1 Question)
- Q1. Can't recall at this time
Interview Questionnaire
2 Questions
- Q1. Data Structures and Algorithms
- Q2. System Design
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I applied via Referral and was interviewed before Sep 2019. There were 3 interview rounds.
Interview Questionnaire
8 Questions
- Q1. Java logical question
- Q2. Webdriver architecture
- Q3. Framework, file and folder structure
- Q4. Your approach to tackle dynamic objects
- Ans.
I approach dynamic objects by analyzing their behavior and adapting my approach accordingly.
I start by understanding the nature of the dynamic object and its expected behavior
I then analyze its movement patterns and any potential obstacles or hazards
Based on this analysis, I adapt my approach to ensure safe and efficient interaction with the dynamic object
For example, when working with a moving conveyor belt, I would e...
- Q5. Implicit and explicit wait in selenium
- Ans.
Implicit and explicit wait are two types of wait in Selenium used to synchronize the test execution with the application.
Implicit wait is used to set a default waiting time for the web elements to load before throwing an exception.
Explicit wait is used to wait for a specific condition to occur before proceeding with the test execution.
Implicit wait is set globally for the entire test script while explicit wait is set f...
- Q6. Java oops concepts
- Q7. Sql queries related to joins
- Q8. Basic Unix commands
Interview Preparation Tips
Skills evaluated in this interview
I applied via LinkedIn and was interviewed before Aug 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. String manipulation code
Interview Preparation Tips
I applied via Company Website and was interviewed in Jul 2020. There were 4 interview rounds.
Interview Questionnaire
6 Questions
- Q1. Messaging communication (RabbitMQ, ActiveMQ)
- Q2. Spring boot
- Q3. Core Java (Oops, JVM, Memory types, Collections)
- Q4. Spring security, Hibernate cache
- Q5. Scenario based questions
- Q6. Design patterns,SAGA Pattern
Interview Preparation Tips
Interview Questionnaire
2 Questions
- Q1. Java 8 features with examples
- Ans.
Java 8 introduced several new features including lambda expressions, streams, and default methods.
Lambda expressions allow for functional programming and concise code.
Streams provide a way to process collections of data in a parallel and functional manner.
Default methods allow for adding new functionality to interfaces without breaking existing implementations.
Method references provide a way to refer to methods without...
- Q2. How to write Customised immutable java class
- Ans.
Customised immutable java class can be written by declaring all fields as final and not providing any setters.
Declare all fields as final
Do not provide any setters
Provide a constructor to initialize all fields
Override equals() and hashCode() methods
Make the class final
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed before Oct 2022. There were 3 interview rounds.
(2 Questions)
- Q1. Hadoop basics on computing
- Q2. Distribution basics for processing the data
(2 Questions)
- Q1. Architecture of bigdata systems
- Ans.
Bigdata systems architecture involves distributed storage, processing, and analysis of large volumes of data.
Utilize distributed file systems like HDFS for storage
Use parallel processing frameworks like Apache Spark or Hadoop for data processing
Implement data pipelines for ETL processes
Leverage NoSQL databases like Cassandra or MongoDB for real-time data querying
Consider data partitioning and replication for fault tole
- Q2. How will the bigdata system distribution for storage andcompute happen
- Ans.
Big data system distribution for storage and compute involves partitioning data across multiple nodes for efficient processing.
Data is partitioned across multiple nodes to distribute storage and processing load.
Hadoop Distributed File System (HDFS) is commonly used for storage distribution.
Apache Spark utilizes a cluster computing framework for distributed computing.
Data locality is important to minimize data transfer ...
Skills evaluated in this interview
I applied via Referral and was interviewed in May 2021. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Ssis, sql server, power bi
- Q2. Dml, ddl, dcl
Interview Preparation Tips
I applied via Referral and was interviewed before Mar 2021. There was 1 interview round.
(1 Question)
- Q1. Why should we consider you ? coz given my relevant experience and educational background, i strongly believe I am the right fit for this role.
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American Express Engineer Interview Process
based on 2 interviews
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Rating in categories
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814
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|  ₹9.5 L/yr - ₹16.7 L/yr |
|
Assistant Manager
709
salaries
| ₹14.4 L/yr - ₹42 L/yr |
|
Senior Analyst
606
salaries
| ₹14.6 L/yr - ₹27 L/yr |
|
Analyst
578
salaries
| ₹12.3 L/yr - ₹27 L/yr |
|
Lead Analyst
490
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| ₹4.3 L/yr - ₹13 L/yr |
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