KLAS Research Software Engineer Interview Questions

The questions to prepare for a KLAS Research Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

Linked List Reversal

Easy

Tests basic coding ability and pointer/data-structure manipulation.

RecursionLinked ListsArrays

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Implement Binary Search

Easy

Tests algorithm implementation skills and correctness reasoning.

RecursionArraysSearching

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Prioritizing Across Competing Client Projects

Easy

Tests prioritization under pressure across multiple projects, including trade-off judgment, stakeholder communication, and ownership of outcomes.

OwnershipPrioritization

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Secure Patient Data Tracking

Hard

Tests secure system design for healthcare data, including privacy, access control, and threat mitigation.

Trade-offsSuccess CriteriaRisk Assessment

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Choosing Application Architecture

Hard

Tests architecture decision-making, tradeoffs, and alignment to healthcare-focused product requirements.

Trade-offsRoadmappingScope Management

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Optimizing Slow SQL Queries

Medium

Tests SQL performance tuning skills and ability to diagnose bottlenecks in real queries.

SubqueriesJoinsAggregations

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