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Engineering interviews
in the AI era

Meet the interview preparation platform for next-gen software engineering interviews

By the team behind GreatFrontEnd

By the team behind GreatFrontEnd

Review this AI-generated code.

Review this AI-generated code.

Interviewer

What happens if two customers try to buy the last item?

Both requests could read one remaining and pass the check. I’d make the stock check and decrement atomic, and create the reservation in the same transaction.

Feedback

You identified the race condition. Explain how you’d test that exactly one reservation succeeds.

Software engineering interviews are changing

In a matter of just a year, many companies have changed the way they interview candidates

  1. GooglePublished

    Google confirmed plans for a Gemini-assisted code-comprehension pilot on selected US teams.

    EmployerPlanned pilot

  2. SpeakPublished

    Speak reported replacing traditional coding screens with engineering take-homes that use coding agents.

    EmployerAssessment redesign

  3. AnthropicPublished

    Anthropic redesigned its performance-engineering take-home as Claude models overcame earlier versions; AI assistance is allowed for this assessment.

    EmployerAssessment redesign

  4. MetaPublished

    Meta announced an AI-enabled coding-interview pilot that encourages participating candidates to use authorized AI tools.

    EmployerPilot

  5. WorkOSPublished

    WorkOS described a redesigned technical screen built around a realistic backend problem, with candidates evaluated on technical ability, debugging, and communication; AI tools are permitted.

    EmployerAssessment redesign

  6. CodeSignalPublished

    CodeSignal launched AI-assisted coding assessments and interviews with its Cosmo assistant embedded in the coding environment.

    PlatformProduct launch

  1. CognitionPublished

    Cognition incorporated AI into technical interviews, encouraging candidates to use it when building work similar to the role.

    EmployerInterview update

  2. ArcadePublished

    Arcade expects technical candidates to use AI on its take-home exercise and submit transcripts of their AI conversations.

    EmployerAssessment update

  3. KaratPublished

    Karat launched NextGen interviews, combining live human interviewers with multi-file engineering projects and an integrated AI assistant.

    PlatformProduct launch

  4. CoderPadPublished

    CoderPad introduced Projects: asynchronous, multi-file assessments in VS Code, with an AI chat assistant and session playback.

    PlatformProduct launch

  5. CanvaPublished

    Canva piloted AI-assisted screening for backend and frontend candidates, including reviewing and improving AI-generated code.

    EmployerPilot

  6. HackerRankPublished

    HackerRank announced an AI Interviewer for initial technical screens, using contextual hints and follow-up questions to examine candidates’ reasoning.

    PlatformProduct announcement

Our mission is to constantly evolve with these

We listen in. You benefit.

With insiders at every major company, we are constantly collecting emerging trends and distilling them into patterns within our vast database

142 this quarter12 this week3 today

GoogleNetflixAmazonAppleMetaMicrosoft
StripeDatabricksAnthropicOpenAIUberAirbnbFigmaLoopstride

The comprehensive interview preparation package

Compiled by analyzing interview rounds at major tech companies

1,412

Observed questions · 80+ companies · this year

Essential interview patterns

Prepares you for 60% of the interviews at 20% effort

Sequence & window patternsTraversal patternsSelection & optimization patternsRead-path scale patternsWrite-path & coordination patternsVerification patterns — AI era
String-matching patternsTrie & prefix patternsWeighted-graph patternsRange-query patternsStreaming & sketching patternsBit & math patternsConcurrency patternsGeospatial patternsReal-time update patternsResilience patterns

+ more

Choose a target company,
focus your preparation

There is a lot to cover. Focus your remaining preparation on the topics most relevant to your target company.

Interviewing at

Recomputed forGoogle · Stripe

  • Verification patterns — AI eraRaised
  • Write-path & coordination patternsRaised
  • Sequence & window patternsCore
  • Traversal patternsCore
  • Resilience patternsAdded
  • Weighted-graph patternsAdded

Rarer patterns and technical depth

Last 10% of potential questions, distilled into patterns

Advanced
Concurrency patternsWeighted-graph patternsRange-query patterns
Deep dive
Geospatial patternsReal-time update patternsResilience patternsStreaming & sketching patterns
Specialist
Trie & prefix patternsBit & math patternsString-matching patterns

Not just a coding practice platform

We use study methods that help you retain knowledge and strengthen your skills

Bite-sized knowledge guides and dynamic quizzes

Digest content more easily - be it interview round knowledge or technical know-how

Knowledge check

Explain why the invariant still holds after the update.

The window never re-expands

Each element enters and leaves once

Knowledge check

When should the left edge of the window advance?

When a character repeats inside the window

After every iteration

Knowledge check

What keeps the total traversal work linear?

Sorting the characters before scanning

Both pointers only move forward

Coding & system design question drills

After practicing a question, get drilled on questions of similar patterns

Pattern drill

Longest substring without repeats

Find the longest substring that contains no repeated characters.

Sliding window
Pattern drill

Pair sum in a sorted array

Find two values in a sorted array whose sum matches the target.

Two pointers
Pattern drill

Merge overlapping intervals

Combine overlapping intervals into a set of non-overlapping ranges.

Intervals

Narrate and explain drills

Solve problems while speaking decisions aloud to an AI interviewer

Interviewer prompt

What alternative did you reject, and why?How do you know this approach is linear?What happens when you encounter a duplicate?

I dropped the heap because the window bounds it. Each element enters and leaves once. Both pointers only move forward. Each character is added and removed at most once, so the work is linear. I move the left edge past its previous position, but never backward. The window stays free of duplicates.

Code debugging and refactoring

Find and fix bugs in simulated large codebases

worker/queue.ts · +12 −4

AI-enabled practice

AI-enabled rounds are trending now. Practice using AI to solve problems and build interview-sized projects

AI-enabled round45:00 / 45:00

Build a rate-limited API gateway

Plan
Build
Review
Explain
your planAI scaffoldyour review notes

Spaced repetition

Get drilled on questions you could not solve at research-backed intervals

Review queue
Day 13 dueDay 34 dueDay 72 dueDay 161 due

Per-pattern tutorials

Before attempting any question, get a quick tutorial on the pattern & its variants

First: the pattern

Sliding window — an interactive tutorial

3 min·5 stepsStart

Your next question

Longest substring without repeats

Unlocks after the tutorial

Tailored feedback on how your code falls short

Besides automated tests, we tell you exactly how to improve your code to meet expectations

Review note

The solution passes, but the memory trade-off needs a clear defense.

Progressive hinting to learn

While practicing, receive hints that cement the right concept

Hint 1 of 3

Think about what happens when the same character appears twice.

Hint 2 of 3

Track what must remain true after every loop iteration.

Hint 3 of 3

Move the left edge just past the repeat, then extend again.

Learn next-gen software engineering skills in your job hunt

per month

  • Prepare for emerging interview questions and formats shaped by AI
  • Follow a structured preparation plan based on recent candidate data
  • Get everything you need, including tutorials, questions, solutions, and tests
  • Remember better with dynamic quizzes, tutorials, and spaced drills

Includes 1,000 subsidized AI credits each month. You can also bring your own AI access.

All your biggest questions, answered

Software engineering interviews have entered the AI era. Have you?