Katkat

Company

Anrok interview questions

3 practice questions in the style of Anrok's interviews, covering Software Engineering Fundamentals, System Design, Behavioral & Leadership.

Questions3

0 easy2 medium1 hard

Your progress0/3

Anrok interview questions by the numbers

Last updated

Katkat has 3 Anrok interview questions. The largest topics are Behavioral & Leadership (33%), Software Engineering Fundamentals (33%) and System Design (33%). By difficulty: 67% medium and 33% hard. The most common round is Technical Screen (100%).

Topics

Difficulty

  • Medium67% · 2
  • Hard33% · 1

Interview rounds

  • Technical Screen100% · 3

Roles

  • Software Engineer100% · 3

Showing 1–3 of 3 results

  • Batch Key Lookups Into One HTTP Request per 100 ms With CallbacksMedium

    A callback-based batching exercise: implement start_fetch(key, callback) so that lookups made within a 100 ms window are sent to a /get?keys= endpoint as one HTTP request, using only http_get_request and set_timeout. It tests timer scheduling, per-key callback bookkeeping and keeping overlapping in-flight batches apart on an event loop.

    AnrokSoftware EngineerSoftware Engineering FundamentalsTechnical Screen
  • Design async batched key-value fetcherHard

    This question evaluates understanding of designing asynchronous, batched request handling in a single-threaded event-loop, covering batching windows, key deduplication, response-to-callback correlation, consistency boundaries, error handling, timeouts/retries, cancellation, and backpressure.

    AnrokSoftware EngineerSystem DesignTechnical Screen
  • Explain concurrency model preferenceMedium

    This question evaluates a candidate's understanding of concurrency models, practical experience with multithreading and asynchronous/callback-based programming, and the ability to analyze trade-offs for I/O-bound versus CPU-bound workloads.

    AnrokSoftware EngineerBehavioral & LeadershipTechnical Screen

Anrok interview experiences

All 1 →
  • One-Hour Concurrency Round on Batching HTTP Requests, RejectedAnrok · Software Engineer · Technical Screen · Oct 2026
    Rejected

    1-hour interview, focused on concurrency. The interviewer has a bachelor's in CS from MIT. The role is SWE, AI Infra, and it requires a bachelor's plus 3 years of YOE. The problem: send an HTTP batch request to /get?keys=key1,key2 every 100ms. You need to think about how to schedule the 100ms callback, and how to store the keys waiting to be sent along with the callback for each key. Make sure ht…

More companies