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Updated weekly · Last refresh Sep 25

Thorn Software Engineer Interview Questions

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

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1
CodingStart here. 3 questions · ~26 min
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsThorn
Language Proficiency and Applied ImpactEasy

Explain which programming languages you know best, why, and how you used them to deliver maintainable and performant software.

Hash TablesStringsSortingThorn
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2
Execution6 questions · ~52 min
Recover a Delayed Engineering ProjectMedium

Assess and recover a project that is slipping its deadline while balancing scope, stakeholders, and delivery risk.

Trade-offsRisk AssessmentScope ManagementThorn
API Connection Error InvestigationMedium

Tests your debugging approach for API connectivity issues and how you validate root cause.

apiProblem SolvingThorn
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3
Behavioral & Leadership16 questions · ~138 min
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4
More topics4 questions · ~35 min
Cloud ML Pipeline ExperienceMedium

Discuss how you build ML pipelines on cloud infrastructure, including orchestration, data movement, and production quality controls.

Data QualityInfrastructureETLThorn
Privacy-Preserving Mission System DesignHard

Tests system design ability with strong privacy and security requirements for mission-critical workflows.

Feature StoreFeature DriftModel ServingThorn
Design an ETL Pipeline for Large DatasetsMedium

Design an ETL pipeline to process 10TB of data daily from multiple sources into a data warehouse with strict data quality checks.

InfrastructureETLData ModelingThorn
Build a WebsiteMedium

Assesses your system thinking and practical approach to designing and implementing a web application.

Thorn

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