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Updated weekly · Last refresh Oct 17

Addison Group Full Stack Engineer Interview Questions

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

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1
Behavioral & LeadershipStart here. 5 questions · ~40 min
Learning New Tech Under DeadlineMedium

Tests adaptability, prioritization, and ownership when learning a new tool under deadline pressure.

learningbehavioral interviewadaptabilityAddison Group
Resolving a Production BugMedium

Tests cross-functional incident leadership, prioritization under pressure, and ownership of production outcomes.

behavior under pressurebug trackingproduction issuesAddison Group
Handling Technical DisagreementsMedium

Tests conflict resolution, influence, judgment, and ownership during technical disagreements.

Communicationtechnical directionbehavioral interviewAddison Group
Explaining Technical Issues ClearlyMedium

Tests audience-aware communication, ownership, and the ability to make complex technical risks actionable.

audience analysisStakeholder ManagementCommunicationAddison Group
Balancing Quality Against Delivery PressureMedium

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

CommunicationOwnershipPrioritizationAddison Group
2
More topics2 questions · ~16 min
Large-Scale State ManagementHard

Design a scalable state-management approach with clear ownership, predictable data flow, testable boundaries, and justified architectural trade-offs.

Unidirectional Data Flowstate managementarchitectureAddison Group
SQL vs NoSQL Trade-offsEasy

Explain SQL vs NoSQL trade-offs, including schema design, consistency, scaling, and query flexibility.

JoinsData WranglingAggregationsAddison Group

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Optimize a Slow SQL QueryHard
Practice
Practice drill

Rewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.

database optimizationJoinsData WranglingAmeripriseEEltro Cyberchrome PrivateEnergyHub
Data Integrity in AnalysesMedium
Practice
Practice drill

Audit claims for missing members, invalid amounts, and payment totals that exceed billed amounts.

JoinsData Wranglingdata validationHealthfirst (New York)BBritvic Soft DrinksAttentive
SQL and Data Tooling ProficiencyMedium
Practice
Practice drill

Aggregate project usage to identify frequently used data analysis tools and compare their hours and ratings.

analytics toolsToolsJoinsLimeadeLaSalle NetworkE15 Group
The finish line: interview-readyComplete all 7 questions plus 3 hands-on drills to finish this plan.