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Nordic Semiconductor Interview Questions

The questions to prepare for Nordic Semiconductor interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 18 questions · ~168 min
Two Sum Index LookupEasy
Practice

Find two indices in an array whose values sum to a target using a hash table in O(n) time.

Hash TablesArraysTwo PointersNordic Semiconductor
Detect Cycle in Linked ListEasy
Practice

Use Floyd’s two-pointer algorithm to determine whether a singly linked list contains a cycle.

Hash TablesLinked ListsTwo PointersNordic Semiconductor
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2
Pipelines3 questions · ~28 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 · ~65 min
Clock Generator Verilog SnippetMedium

Evaluates your ability to read and interpret hardware description code.

Nordic Semiconductor
Synchronize Timers on Wireless UnitsMedium

Assesses your understanding of synchronization challenges relevant to wireless systems like Bluetooth.

synchronizationNordic Semiconductor
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4
Behavioral & Leadership20 questions · ~187 min
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5
More topics2 questions · ~19 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.