Top 13
Prep plan
Updated weekly · Last refresh Oct 15

PwC Solutions Architect Interview Questions

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

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1
System DesignStart here. 5 questions · ~40 min
System Design Under Cost and Latency ConstraintsMedium

Assesses how you make trade-offs between performance targets and operating costs in system architecture.

system designlatencycost constraintsPwC
Real-Time Recommendations at ScaleHard

Tests your end-to-end design skills for low-latency, high-throughput recommendation systems.

Recommendation SystemsPwC
Batch vs Stream Trade-OffsMedium

Assesses your reasoning for choosing processing modes based on latency, correctness, cost, and operational complexity.

Stream ProcessingBatch ProcessingPwC
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2
Behavioral & Leadership4 questions · ~32 min
Resolving Cross-Functional Project ConflictEasy

Tests conflict resolution in a project setting, including communication, stakeholder management, and ownership of the outcome.

Conflict Resolutionsoft skillsCommunicationPwC
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3
More topics4 questions · ~32 min
Optimizing Slow Queries at ScaleHard

Explain how to diagnose and optimize a slow PostgreSQL query on large Apidel Technologies datasets.

SubqueriesJoinsData WranglingPwC
Data Quality in ETL PipelinesEasy
Recently asked

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityPwC
Explaining Solutions to ClientsMedium

Evaluates your ability to tailor technical explanations to client goals and decision-making constraints.

client communicationtechnical explanationPwC
Robust Error Handling in IngestionMedium

Tests your approach to resilience, observability, and recovery in data ingestion workflows.

pipeline managementerror handlingdata ingestionPwC

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 13 questions plus 3 hands-on drills to finish this plan.