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Western Union Software Engineer Trainee Interview Questions and Answers

Updated 18 Aug 2023

Western Union Software Engineer Trainee Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via campus placement at BRACT's Vishwakarma Institute of Information Technology, Pune and was interviewed before Aug 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

The aptitude test was easy

Round 3 - Technical 

(1 Question)

  • Q1. The technical interview mostly consist of DSA sorting recursion and some basics of SQL

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep your resume up to point and don't bluff on resume because they will ask everything

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I was interviewed in Jan 2025.

Round 1 - Coding Test 

One question related to object-oriented programming and one question related to data structures and algorithms.

Round 2 - Technical 

(1 Question)

  • Q1. DSA - 2 questions need to solve in 45 min with optimal solution one based on recursion and another is based on 2 pointers.
Round 3 - Technical 

(1 Question)

  • Q1. Can you describe the system design for the checkout feature on Amazon, including the request body, API calls, load balancing, database caching, and content delivery network (CDN) considerations?
Round 4 - Behavioral 

(1 Question)

  • Q1. Questions regarding your resume, previous company project work, and behavioral topics.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Jan 2025.

Round 1 - One-on-one 

(1 Question)

  • Q1. Deep dive into java concepts. Max diameter of a tree in java.
Round 2 - One-on-one 

(1 Question)

  • Q1. Lld of loan and borrower design. Design dbs schema. About connection pool, db isolation.
Round 3 - One-on-one 

(1 Question)

  • Q1. Hiring manager round, more about previous experience and some hypothetical questions.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I was interviewed in Aug 2024.

Round 1 - Technical 

(4 Questions)

  • Q1. What are software development design patterns? Can you explain singleton design pattern and code an example to show that?
  • Ans. 

    Software development design patterns are reusable solutions to common problems encountered in software design.

    • Design patterns help in creating maintainable, scalable, and efficient software.

    • Singleton design pattern ensures a class has only one instance and provides a global point of access to it.

    • Example: Implementing a singleton class in Java -

    • public class Singleton { private static Singleton instance; private Singleto...

  • Answered by AI
  • Q2. Can you develop and simple API app to show its running and anyone request sending to it?
  • Q3. What kind of databases you’ve worked on? And explain what is DML!
  • Ans. 

    I have worked on relational databases like MySQL and PostgreSQL. DML stands for Data Manipulation Language.

    • Worked on MySQL and PostgreSQL databases

    • Familiar with writing SQL queries for data manipulation

    • DML stands for Data Manipulation Language

  • Answered by AI
  • Q4. When we work with micro services , what is your experience which becomes challenge?
  • Ans. 

    One challenge when working with microservices is managing communication between services.

    • Ensuring proper service discovery and registration

    • Handling network latency and failures

    • Implementing effective monitoring and logging

    • Maintaining consistency and data integrity across services

  • Answered by AI
Round 2 - Technical 

(3 Questions)

  • Q1. What are the types of deployments?
  • Ans. 

    Types of deployments include blue-green, canary, rolling, and immutable.

    • Blue-green deployment involves running two identical production environments and switching between them.

    • Canary deployment gradually rolls out changes to a small subset of users before deploying to the entire infrastructure.

    • Rolling deployment updates a few instances at a time, ensuring continuous availability.

    • Immutable deployment creates new instanc

  • Answered by AI
  • Q2. What is Blue Green Deployment ?
  • Ans. 

    Blue Green Deployment is a software release strategy that reduces downtime and risk by running two identical production environments.

    • In Blue Green Deployment, one environment (blue) is live and serving production traffic while the other (green) is idle and ready to be switched to at any time.

    • This strategy allows for zero downtime deployments, as the switch between blue and green environments can be done seamlessly.

    • Blue...

  • Answered by AI
  • Q3. I was asked travelling salesman problem to solve.!
Round 3 - Bar Raiser 

(6 Questions)

  • Q1. Tell me what you liked in last 2 rounds!
  • Ans. 

    I enjoyed the challenging technical questions and the opportunity to showcase my problem-solving skills.

    • Challenging technical questions

    • Opportunity to showcase problem-solving skills

  • Answered by AI
  • Q2. Explain me the best project as per you which you worked upon and features of it.
  • Ans. 

    Developed a web-based project management tool for tracking tasks and deadlines.

    • Implemented user authentication and authorization using JWT tokens

    • Integrated real-time chat feature using WebSockets

    • Utilized React for front-end and Node.js for back-end development

  • Answered by AI
  • Q3. Some RegEx related questions were asked.
  • Q4. How vector databases work?
  • Ans. 

    Vector databases store data in a vector format, allowing for efficient querying and analysis of high-dimensional data.

    • Vector databases use vectors to represent data points in a multi-dimensional space.

    • They are commonly used in machine learning and data science applications for tasks like similarity search and clustering.

    • Examples of vector databases include Faiss, Annoy, and Milvus.

  • Answered by AI
  • Q5. If I give you a coding problem to solve in the language you don’t know, can you solve it, when you’re allowed to refer Google search?
  • Ans. 

    Yes, I can solve a coding problem in a language I don't know with Google search.

    • Utilize Google search to understand syntax and concepts in the unfamiliar language

    • Break down the problem into smaller parts and search for solutions to each part

    • Refer to online resources, forums, and documentation for guidance

    • Practice writing and testing code snippets in the new language before attempting the full solution

  • Answered by AI
  • Q6. How you can parse location and shop name from a card transaction string?
  • Ans. 

    Use regex to extract location and shop name from transaction string.

    • Use regular expressions to match patterns for location and shop name.

    • Look for keywords like 'at', 'from', 'in' to identify location.

    • Consider variations in transaction strings and account for them in regex patterns.

    • Example: 'Spent $50 at Starbucks Coffee' -> Location: Starbucks Coffee, Shop Name: Starbucks Coffee

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - We really can’t have fixed questions, be sure with what you’ve worked upon. And also be clear about what you admire as next step to work.
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
Not Selected

I applied via Campus Placement

Round 1 - Aptitude Test 

A test that covers all fundamental topics, including networking, object-oriented programming (OOP), and data structures and algorithms (DSA).

Round 2 - Technical 

(2 Questions)

  • Q1. Write code for quick sort
  • Q2. Puzzle
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
-
Result
No response

I applied via Job Portal

Round 1 - Technical 

(2 Questions)

  • Q1. Explain the react lifecycle functions and how they work
  • Ans. 

    React lifecycle functions are methods that are automatically called at specific points in a component's life cycle.

    • Mounting: constructor, render, componentDidMount

    • Updating: render, componentDidUpdate

    • Unmounting: componentWillUnmount

  • Answered by AI
  • Q2. Css box model, difference between padding and margin
  • Ans. 

    Padding is the space inside the border of an element, while margin is the space outside the border.

    • Padding is used to create space between the content and the border of an element.

    • Margin is used to create space between the border of an element and other elements.

    • Padding affects the size of the content area, while margin affects the positioning of the element.

    • Example: padding: 10px will create 10 pixels of space inside ...

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. What are your salary expectations in CTC and variables?
  • Q2. Will you relocate to the location required?

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare everything bookish! don't only speak related to your experience

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Jun 2024. There were 5 interview rounds.

Round 1 - Coding Test 

Java coding questions, basic Java questions.

Round 2 - Technical 

(2 Questions)

  • Q1. Java basics questions.
  • Q2. Live coding.
Round 3 - Technical 

(2 Questions)

  • Q1. Discussion on previous experience and projects.
  • Q2. System design question
Round 4 - Technical 

(2 Questions)

  • Q1. Questions on SQL, Java advanced, personal projects, Java frameworks, UI based questions, Agile methodologies.
  • Q2. Interview discussion with the whole team.
Round 5 - HR 

(2 Questions)

  • Q1. Benefits discussion.
  • Q2. Salary discussion.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

1 hour, the coding test was based on a project given to us

Round 2 - One-on-one 

(2 Questions)

  • Q1. Detailed questionnaire on React
  • Q2. Problem solving based on array manipulations
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

It consist of 4 DSA ques and few quiz and opps concept based ques
1st was string based Medium level ques.
2nd was a ques based on 2 pointer
And other 2 was from Vector and Linked list easy ques

Round 2 - Technical 

(3 Questions)

  • Q1. It was stock buy and sell ques on leetcode where we need to find Max profit and what day to buy and sell
  • Q2. 2d array ques to print natural numbers in spiral form
  • Ans. 

    Print natural numbers in spiral form using a 2D array.

    • Create a 2D array with dimensions n x n.

    • Initialize variables for row and column boundaries.

    • Iterate through the array in a spiral pattern, filling in natural numbers.

  • Answered by AI
  • Q3. Hard level linked list ques

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Group Discussion 

The topic was -> "One nation one election"

Round 2 - Technical 

(2 Questions)

  • Q1. What is a String pool in Java?
  • Ans. 

    String pool in Java is a pool of unique strings stored in memory to optimize memory usage.

    • String pool is a part of Java's memory where unique string literals are stored.

    • When a new string is created, Java checks if it already exists in the pool to save memory.

    • Strings created using double quotes are added to the pool, while those created using 'new' keyword are not.

    • Example: String str1 = "hello"; String str2 = "hello"; /...

  • Answered by AI
  • Q2. Explain different types of exception in Java.
  • Ans. 

    Java has checked and unchecked exceptions. Checked exceptions must be handled at compile time, while unchecked exceptions do not need to be handled explicitly.

    • Checked exceptions: Must be caught or declared in the method signature. Example: IOException, SQLException

    • Unchecked exceptions: Do not need to be caught or declared. Example: NullPointerException, ArrayIndexOutOfBoundsException

  • Answered by AI

Skills evaluated in this interview

Western Union Interview FAQs

How many rounds are there in Western Union Software Engineer Trainee interview?
Western Union interview process usually has 3 rounds. The most common rounds in the Western Union interview process are Technical, Resume Shortlist and Aptitude Test.

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Western Union Software Engineer Trainee Interview Process

based on 1 interview

Interview experience

4
  
Good
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Western Union Software Engineer Trainee Salary
based on 4 salaries
₹6 L/yr - ₹8.5 L/yr
65% more than the average Software Engineer Trainee Salary in India
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5.0/5

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4.0

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3.0

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5.0

Company culture

3.0

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3.0

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