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Updated weekly · Last refresh Aug 30

Garmin Software Engineer Interview Questions

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

50questions
~8htotal time
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1
CodingStart here. 18 questions · ~164 min
Factorial FunctionEasy
Practice

Calculate n! for Bank of America Mobile Banking using an iterative loop and constant auxiliary space.

RecursionMathGarmin
Sum With A For LoopEasy
Practice

Calculate total activity distance by iterating through a list of Garmin Connect distance readings.

loopsGarmin
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2
Execution4 questions · ~36 min
Your Strengths and WeaknessesEasy

Tests self-awareness and how you position yourself for success in an Account Executive role at Aqr.

Trade-offsSuccess CriteriaRisk AssessmentGarmin
Difference Between CI and CDMedium

Assesses your understanding of modern software delivery practices and pipelines.

Garmin
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3
Security & Infrastructure10 questions · ~91 min
TCP vs UDP and C BasicsMedium

Assesses networking fundamentals and your C knowledge for systems programming.

Garmin
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4
System Design9 questions · ~82 min
Frequency-Domain Controller DesignMedium

Tests your control systems knowledge and ability to apply frequency-domain methods.

Garmin
Validate a New Design ConceptMedium

Assesses your experimental mindset and how you de-risk designs with evidence.

validationGarmin
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5
SQL & Data Manipulation4 questions + 3 drills · ~66 min
Java, OOP, and SQL TestMedium

Assesses your breadth across core software engineering and data concepts.

javasqloopGarmin
Reconcile Garmin Invoice DiscrepanciesMedium
Practice
Practice drill

Use joins, a CTE, and CASE logic to flag invoice discrepancies between Garmin ERP invoices and payment records.

Data WranglingAggregationsQualityGarmin
SQL Queries for RankingMedium
Practice
Practice drill

Rank active HSBC employees by division and return every employee tied for the highest or second-highest salary.

javasqlHsbc
SQL Average Selling PriceMedium
Practice
Practice drill

Calculate weighted average selling prices by product using a date-range join, aggregation, and NULL handling.

leetcodesqlCostarCostar Group
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6
Behavioral & Leadership5 questions · ~46 min
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.