Hearth Software Engineer Interview Questions

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

18questions

~3htotal time

Track your progressSign up free to work through all 18 questions and resume where you left off.

CodingStart here. 4 questions · ~34 min

Tests your ability to analyze dependency graphs and break cycles safely in build systems.

IPv6 Parsing and NormalizationHard

Tests ability to implement correct parsing, validation, and edge-case handling for IPv6 address formats.

StringsbasicsAlgorithms

Hearth

IPv6 Parsing and NormalizationMedium

Tests ability to implement robust IPv6 parsing and normalization logic.

data parsing

Hearth

More Coding questions with a free account

Behavioral & Leadership9 questions · ~76 min

More Behavioral & Leadership questions with a free account

More topics5 questions · ~42 min

Tests your system design skills for protecting an API with rate limiting while maintaining availability.

Guaranteed Contractor NotificationsHard

Tests your ability to design reliable, multi-channel notification pipelines with delivery guarantees.

Data QualityStream ProcessingOrchestration

Hearth

Distributed Consistency Across Banking APIsHard

Tests ability to reason about distributed consistency, failure modes, and coordination across external services.

Trade-offsExecutionRisk Assessment

Hearth

Billing and Invoicing Permissions SystemHard

Tests data modeling and API design for secure, role-based access to billing and invoicing features.

APIsSecurityData Modeling

Hearth

React Debugging and CodingMedium

Assesses React development and debugging skills, including how you isolate and fix issues.

Hearth

Create a free account to unlock this list and practice real interview questions.

The finish line: interview-readyComplete all 18 questions to finish this plan.