13 questions · from 2 interviews · 1 asked more than once

Detect Technologies interview questions

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

Detect Technologies coding and DSA questions

  1. 01

    Merge Intervals

    Given a collection of intervals, merge all overlapping intervals.

    Medium · Asked 2 times · From Detect technologies | Software Engineer | Chennai | Sept 2024 | Offer

  2. 02

    Flatten a List

    Write a code to flatten a list (e.g., convert a nested list like [1, [2, 3], [4, [5]]] into a flat list [1, 2, 3, 4, 5] ).

    From Detect technologies | Software Engineer | Chennai | Sept 2024 | Offer

Detect Technologies system design questions

  1. 01

    High-Level Design: Google Photos

    How would you design the high-level architecture of Google Photos? How would you handle the upload mechanism for photos? What would you do if there is a network issue during the upload? How would you ensure the upload resumes rather than starts over? How…

    Hard · From Detect technologies | Software Engineer | Chennai | Sept 2024 | Offer

  2. 02

    Google Photos HLD: Photo State Management

    As part of the Google Photos HLD, I was asked: How would you manage the state of a photo (e.g., whether it’s being uploaded or fully uploaded)?

    From Detect Technologies

  3. 03

    Google Photos HLD: Large File Uploads with Resumption

    During the HLD discussion, the interviewer asked: How would you handle large file uploads, ensuring that if a failure occurs, the upload can resume from where it left off?

    From Detect Technologies

  4. 04

    Google Photos HLD: Cross-Device Data Synchronization

    Another question posed in the HLD round was: How would you sync the same data across all devices where the user’s Gmail ID is logged in?

    From Detect Technologies

Detect Technologies other questions

  1. 01

    Lazy Loading in Flutter

    What is lazy loading, and how have you used it in your projects?

    From Detect technologies | Software Engineer | Chennai | Sept 2024 | Offer

  2. 02

    Null-Check Operator in Flutter

    How do you use the null-check operator in Flutter?

    From Detect technologies | Software Engineer | Chennai | Sept 2024 | Offer

  3. 03

    Flutter Widget Lifecycle

    Can you explain the widget lifecycle in Flutter?

    From Detect technologies | Software Engineer | Chennai | Sept 2024 | Offer

  4. 04

    Flutter Widget Tree Optimization

    How does the widget tree work, and how do you optimize it?

    From Detect technologies | Software Engineer | Chennai | Sept 2024 | Offer

  5. 05

    Flutter Inspector Usage

    What is the Flutter inspector, and how do you use it?

    From Detect technologies | Software Engineer | Chennai | Sept 2024 | Offer

  6. 06

    Flutter State Management (BLoC)

    What state management techniques do you use, and why did you choose BLoC?

    From Detect technologies | Software Engineer | Chennai | Sept 2024 | Offer

  7. 07

    Tree Shaking in Flutter

    Can you explain tree shaking and how it benefits a Flutter app?

    From Detect technologies | Software Engineer | Chennai | Sept 2024 | Offer

Detect Technologies interview questions FAQ

What questions are asked in Detect Technologies interviews?

Candidates reported 13 distinct questions across 2 Detect Technologies interviews. 2 coding and DSA questions, 4 system design questions, 7 other questions.

Which Detect Technologies interview questions are asked most often?

The most repeated are "Merge Intervals" (2 times).