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Nordic Semiconductor Software Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 13 questions · ~112 min
Sheep in a Ring FunctionEasy
Practice

Count sheep within or on a circular boundary using squared Euclidean distance.

Nordic Semiconductor
Stack vs Heap in EmbeddedMedium

Explain stack vs heap allocation in embedded systems and why dynamic allocation is risky in safety-critical firmware.

memory managementstack vs heapEmbedded SystemsNordic Semiconductor
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2
Pipelines3 questions · ~26 min
Serverless IoT Payload ProcessingMedium

Tests your ability to build event-driven pipelines for IoT data processing.

data processingNordic Semiconductor
Firmware Test Automation FrameworkMedium

Tests your approach to automating firmware testing and maintaining reliable CI pipelines.

TestingAutomationQualityNordic Semiconductor
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3
Security & Infrastructure7 questions · ~60 min
Beyond Textbook Circuit KnowledgeMedium

Evaluates depth of practical engineering knowledge and your ability to explain it clearly.

circuit designtechnical knowledgeNordic Semiconductor
Pipeline a Digital CircuitHard

Evaluates your ability to reason about timing, throughput, and pipelining tradeoffs.

Nordic Semiconductor
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4
Behavioral & Leadership25 questions · ~216 min
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5
More topics2 questions · ~17 min
Scalable Time-Series SchemaHard

Tests your ability to design scalable schemas for high-volume IoT telemetry data.

schema designData ModelingTime SeriesNordic Semiconductor
API Data Retrieval With LimitsMedium

Tests your ability to query and transform API data with correct pagination and ordering.

apidata handlingNordic Semiconductor
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Resolve Conflicting Customer AttributesMedium
Practice
Practice drill

Use joins, CTEs, and row ranking to resolve conflicting customer profile values across ACME House systems.

JoinsData WranglingQualityRamsey SolutionsACME House
Clean Inconsistent Expense EntriesHard
Practice
Practice drill

Clean inconsistent expense records with CTEs, joins, CASE logic, and aggregation to summarize valid spend by department.

Data WranglingAggregationsQualityUniversity of Colorado Denver
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.