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Updated weekly · Last refresh Oct 17

BBG Solutions Architect Interview Questions

The questions to prepare for a BBG Solutions Architect interview. Questions from real interview reports rank first. Updated daily.

11questions
~2htotal time
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1
CodingStart here. 6 questions · ~58 min
Longest Substring Without RepeatsMedium
Practice

Find the longest substring with all unique characters using a sliding window.

Hash TablesStringsTwo PointersBBG
Programs on Linked ListsMedium

Tests ability to implement and reason about linked list, stack, and array-based data structures.

StackData StructuresBBG
Sorting Algorithm and EfficiencyEasy

Tests your knowledge of algorithm behavior and time/space complexity trade-offs.

MathArraysSortingBBG
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2
Pipelines3 questions · ~29 min
Real-Time Data Processing DesignHard

Tests your ability to design for latency, throughput, ordering, and operational correctness in streaming systems.

InfrastructureStream ProcessingOrchestrationBBG
Ensure Data IntegrityMedium

Tests your understanding of validation, consistency, integrity constraints, and failure-mode handling.

IdempotencyData ModelingQualityBBG
Integrate Two Distinct SystemsMedium

Tests your systems integration approach, including interfaces, data flow, and reliability considerations.

ETLDependenciesData ModelingBBG
3
More topics2 questions · ~19 min
Identify Core Product ChallengesMedium

Tests problem framing, requirements analysis, and translating needs into a viable solution approach.

User NeedsPain PointsUse CasesBBG
Optimize Database Query PerformanceMedium

Tests your ability to diagnose and improve SQL query performance using indexing, query plans, and execution strategies.

indexingJoinsAggregationsBBG

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Contact Center Agent Performance MetricsHard
Practice
Practice drill

Compute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.

ETLAggregationsData ModelingADP
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
SQL to Find Operational InefficiencyMedium
Practice
Practice drill

Identify Revolut merchants with high payment failure rates and report related support-resolution metrics.

Joinsbusiness problemsqlRevolut
The finish line: interview-readyComplete all 11 questions plus 3 hands-on drills to finish this plan.