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Top 12
Prep plan
Updated weekly · Last refresh Nov 6

SMX Full Stack Engineer Interview Questions

The questions to prepare for a SMX Full Stack Engineer interview. Questions from real interview reports rank first. Updated daily.

12questions
~2htotal time
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1
Behavioral & LeadershipStart here. 5 questions · ~40 min
Balancing Quality Against Delivery PressureMedium

Tests ownership and prioritization in managing code quality and technical debt without sacrificing delivery.

CommunicationOwnershipPrioritizationSMX
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2
More topics7 questions · ~56 min
Optimize Slow Database QueriesMedium

Tests your approach to diagnosing and improving SQL query performance.

SubqueriesJoinsAggregationsSMX
Designing for Traffic SpikesHard

Evaluates scalability thinking and resilience under load.

system designscalabilitySMX
State Management in Complex AppsMedium

Assesses approach to state management across layered architectures.

state managementSMX
Securing Data TransitMedium

Tests knowledge of data-in-transit security and encryption practices.

data securitySMX
Architecture of Your Most Complex ProjectHard

Tests your ability to explain system architecture, tradeoffs, and scalability considerations.

system designarchitectureSMX
Pros and Cons of Your Last LanguageMedium

Assesses language proficiency and critical evaluation of tradeoffs.

Language Featuresprogramming languagesSMX
REST API Choices in MicroservicesMedium

Evaluates understanding of API design decisions and inter-service communication.

api designmicroservicesSMX

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Handling Missing DataEasy
Practice
Practice drill

Replace missing sales fields with defined defaults and return a consistently ordered dataset.

missing valuesdata cleaningnull handlingUniversity of MinnesotaThe Home DepotNationwide
SQL Top 10 Products by SalesEasy
Practice
Practice drill

Aggregate completed SMX product sales and return the top 10 products by units sold.

RankingGroup ByAggregationsSMXBellEaze
Optimize SQL Query PerformanceHard
Practice
Practice drill

Optimize a PostgreSQL reporting query by reducing intermediate rows, using appropriate joins, and calculating monthly performance efficiently.

database optimizationdatabase managementindexesDDHLThe Cigna GroupElemica
The finish line: interview-readyComplete all 12 questions plus 3 hands-on drills to finish this plan.