16 questions · from 2 interviews

Optum interview questions

Every question candidates reported from their Optum interviews, most frequently asked first. Each links to the write-up it came from, so you can see the round and how it went.

Optum coding and DSA questions

  1. 01

    Best Time to Buy and Sell Stock I

    You are given an array 'prices' where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by choosing a single day to buy one stock and choosing a different day in the future to sell that stock. Return the maximum profit…

    Easy · From Optum | SDE-1 | Java Full-stack | Hyderabad | March 2025 [selected]

  2. 02

    Find Pair with Maximum Product in an Array

    Given an array of elements, return a pair with maximum product. Handle negative values. Write an O(n) time complexity solution.

    Medium · From Optum | SDE-1 | Java Full-stack | Hyderabad | March 2025 [selected]

Optum behavioural and HR questions

  1. 01

    Ensuring Data Migration Accuracy

    Project: How did you ensure 100% accuracy in data migration from oracleDB to postgreSQL?

    From Optum | SDE-1 | Java Full-stack | Hyderabad | March 2025 [selected]

  2. 02

    Project Challenges and Solutions

    What challenges did you face in your project? How did you solve them?

    From Optum | SDE-1 | Java Full-stack | Hyderabad | March 2025 [selected]

  3. 03

    Team Project Deadline Scenario

    I was presented with a scenario: 'While working on a team project, you notice that some of your co-workers are falling behind. What would you do to help your team meet the deadline?'

    From Optum- UHG | Software Engineer (Technology Development Program) | July 2022 [Select]

Optum other questions

  1. 01

    What is ConcurrentModificationException and how to prevent it?

    What is ConcurrentModificationException? How to prevent it?

    From Optum | SDE-1 | Java Full-stack | Hyderabad | March 2025 [selected]

  2. 02

    Calculate Word Frequency using Java Stream API

    Question about Stream API: Input: javaCopyList sentences = Arrays.asList( "Java is fun", "Java is powerful", "Coding in Java is fun"); Output: {java: 3, is: 3, ...} Calculate word frequency and return the output using Stream API.

    From Optum | SDE-1 | Java Full-stack | Hyderabad | March 2025 [selected]

  3. 03

    Dependency Injection and Exception Handling in Spring Boot

    What is dependency injection? How many ways can DI be done in Spring Boot? How to handle exceptions in Spring Boot? Write an exception handler class.

    From Optum | SDE-1 | Java Full-stack | Hyderabad | March 2025 [selected]

  4. 04

    React Components and Virtual DOM

    How many React components did you make in your project? What is the Virtual DOM?

    From Optum | SDE-1 | Java Full-stack | Hyderabad | March 2025 [selected]

  5. 05

    SQL Query: Users with Multiple Logins

    Write a SQL query to find users who logged in more than 2 times.

    From Optum | SDE-1 | Java Full-stack | Hyderabad | March 2025 [selected]

  6. 06

    What is the static keyword in Java?

    What is the static keyword?

    From Optum | SDE-1 | Java Full-stack | Hyderabad | March 2025 [selected]

  7. 07

    How to handle exceptions in Core Java?

    How to handle exceptions in Core Java?

    From Optum | SDE-1 | Java Full-stack | Hyderabad | March 2025 [selected]

  8. 08

    Explain OOPs Concepts with Examples

    The interviewer asked me to discuss Object-Oriented Programming (OOPs) concepts and provide some practical examples.

    From Optum- UHG | Software Engineer (Technology Development Program) | July 2022 [Select]

  9. 09

    MERN Stack Choice Justification

    I was asked to explain why I chose the MERN stack for my project and why I did not opt for other technology stacks.

    From Optum- UHG | Software Engineer (Technology Development Program) | July 2022 [Select]

  10. 10

    Justify JavaScript in Backend

    The interviewer questioned the necessity of using JavaScript in the backend, considering the availability of other programming languages.

    From Optum- UHG | Software Engineer (Technology Development Program) | July 2022 [Select]

  11. 11

    MERN Stack Advantages in Web Development

    I was asked to describe what problem-solving capabilities or upgrades the MERN stack provides in the context of web development.

    From Optum- UHG | Software Engineer (Technology Development Program) | July 2022 [Select]

Optum interview questions FAQ

What questions are asked in Optum interviews?

Candidates reported 16 distinct questions across 2 Optum interviews. 2 coding and DSA questions, 3 behavioural and HR questions, 11 other questions.