Arkad Spa Software Engineer Interview Questions

The questions to prepare for a Arkad Spa Software Engineer interview. Questions from real interview reports rank first. Updated daily.

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CodingStart here. 3 questions · ~39 min

Longest Unique Substring in EnoMedium

Practice

Use a sliding window and hash map to find the longest substring without repeated characters in a string.

Hash TablesStringsTwo Pointers

Arkad Spa

Merge Overlapping IntervalsEasy

Practice

Merge overlapping intervals by sorting start times and greedily extending the current range.

CodingtechnicalProgramming

Arkad Spa

Serialize Binary Tree for MessengerMedium

Practice

Problem In Meta Messenger infrastructure, tree-shaped data may need to be converted into a string for transport and rebuilt later. Implement functions to s...

RecursionHash TablesTrees

Arkad Spa

Execution6 questions · ~79 min

Responding to Tough Review FeedbackEasy

Explain how you handled difficult code review feedback while keeping delivery on track and aligning with stakeholders.

Trade-offsSuccess CriteriaRisk Assessment

Arkad Spa

Design Inference API Rate LimitingHard

Design a rate-limiter for a multi-tenant AI inference API that protects capacity, preserves fairness, and supports different customer tiers.

Trade-offsdesign systemrate limiting

Arkad Spa

Discuss a Meaningful FailureEasy

Reflect on a real execution failure, what caused it, how you responded, and what you changed afterward.

Trade-offsSuccess CriteriaRisk Assessment

Arkad Spa

Pushing Back on RequirementsMedium

Tests tradeoff thinking and communication when product needs conflict with engineering constraints.

Trade-offsRisk AssessmentScope Management

Arkad Spa

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