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1+ EY questions

EY interview questions and how to prepare

The questions candidates report from EY interviews, sorted by how often they come up, with difficulty and topics, plus original practice written in EY's interview style.

Practice EY questions free All companies

ZorixOS tracks 1 community-reported EY interview questions, drawn from an open-source dataset of real interview reports and sorted by how frequently each one comes up. Every question links to its source. Alongside them are 98 original ZorixOS practice questions written in EY's known interview style (not claimed as asked at EY), so you can rehearse the real format. Practice any of them out loud in a free AI mock interview tuned to EY.

Updated July 2026

EY interview questions candidates report

Community-reported from real EY interviews (open-source dataset), most-asked first. Showing 1. Each links to its source.

  1. Two Sum
    ArrayHash Table
    Easy100% asked

Practice questions in EY's style

Original ZorixOS questions written the way EY interviews, so you rehearse the real format. Not claimed as asked at EY.

  1. EY Finance, a platform used by many financial institutions, is experiencing intermittent latency issues. Describe how you would approach debugging this problem, considering the distributed nature of financial services.

    Software EngineerDebuggingTests: Evaluates systematic problem-solving and debugging skills in a complex, distributed system.

  2. Imagine EY is developing a new AI-powered advisory tool to help clients optimize their supply chains. How would you design the backend system to handle real-time data ingestion from diverse client systems and provide low-latency predictions?

    Software EngineerSystem DesignTests: Assesses system design capabilities, scalability, and handling of real-time data in a complex enterprise context.

  3. EY is building a new mobile application for its consultants to manage client engagements on the go. The app needs to be highly available and secure. Discuss the architectural choices you would make, considering offline capabilities and data synchronization.

    Software EngineerSystem DesignTests: Tests understanding of mobile architecture, data synchronization, and reliability in an enterprise application.

  4. You are working on EY's internal knowledge management system, which stores vast amounts of proprietary client data. A security vulnerability is reported where unauthorized users might access sensitive information. How would you identify the root cause and propose a fix?

    Software EngineerDebuggingTests: Evaluates understanding of security vulnerabilities and debugging in a data-sensitive environment.

  5. EY's blockchain-based auditing solution needs to process a significantly higher volume of transactions than initially projected. How would you identify performance bottlenecks and propose scalable solutions to handle this increased load?

    Software EngineerPerformance TuningTests: Assesses ability to identify and resolve performance issues in a cutting-edge technology context.

  6. EY is expanding its AI capabilities for fraud detection. Describe a scenario where you'd use a machine learning model to identify anomalous financial transactions. What metrics would you use to evaluate its performance, and why?

    Software EngineerCoding & ReasoningTests: Tests coding proficiency and logical reasoning applied to a relevant business problem.

92+ more EY-style questions are in the free library, each practiceable live with adaptive follow-ups and an honest scorecard. Start free.

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EY Interview Questions (2026) | ZorixOS