Dataford
Top 29
Prep plan
Updated weekly · Last refresh Aug 30

Nav Software Engineer Interview Questions

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

29questions
~4htotal time
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1
CodingStart here. 11 questions · ~97 min
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysNav
Explain Time Complexity of Array SearchEasy

Explain how to analyze the time complexity of a common array search solution and justify the Big O result.

MathArraysSearchingNav
Debugging a Challenging BugEasy

Tests debugging approach, root-cause analysis, and communication of fixes.

Hash TablesArraysDebuggingNav
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2
Behavioral & Leadership14 questions · ~123 min
Leading an Unowned Technical ProblemMedium

Tests initiative and ownership in ambiguous situations, including how you create clarity, align others, and deliver measurable results.

initiativeLeadershipProject ManagementNav
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3
More topics4 questions · ~35 min
Improve Web App PerformanceMedium

Tests your performance troubleshooting process across application and infrastructure layers.

Trade-offsSuccess CriteriaRisk AssessmentNav
Optimize a Slow SQL QueryMedium

Tests your performance troubleshooting skills for dv01-scale reporting queries.

JoinsData WranglingCTEsNav
Cloud Services ExperienceEasy

Tests your practical experience with cloud infrastructure and services.

InfrastructureToolsNav
Workplace ValuesEasy

Tests cultural fit and whether your working style aligns with a mission-driven healthcare environment.

Trade-offsSuccess CriteriaRisk AssessmentNav

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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
Optimize Dashboard Revenue Join QueryHard
Practice
Practice drill

Optimize a multi-join dashboard query using CTEs and window functions to reduce repeated work.

JoinsData WranglingCTEsApptio
Pivot Lucid Campaign Performance by MonthMedium
Practice
Practice drill

Use joins, a CTE, CASE expressions, and monthly pivoting to compare Lucid campaign performance across channels.

pivot tablesnull handlingData WranglingLucid Motors
The finish line: interview-readyComplete all 29 questions plus 3 hands-on drills to finish this plan.