Top 34
Prep plan
Updated weekly · Last refresh Aug 30

Quantexa Solutions Architect Interview Questions

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

34questions
~5htotal time
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1
CodingStart here. 7 questions · ~63 min
Two Sum with TargetEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsQuantexa
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsQuantexa
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2
Pipelines7 questions · ~63 min
Design an ETL Pipeline for Large DatasetsMedium

Design an ETL pipeline to process 10TB of data daily from multiple sources into a data warehouse with strict data quality checks.

InfrastructureETLData ModelingQuantexa
Capacity Planning for Data PipelinesMedium

How to think about capacity planning for a pipeline, including throughput, storage growth, latency, and operational headroom.

system designhardware architecturecapacity planningQuantexa
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3
System Design5 questions · ~45 min
Basic Machine Learning ModelMedium

Tests your ML fundamentals and your ability to translate modeling into an implementable approach.

Feature StoreRetrievalModel ServingQuantexa
Scalable Data-Intensive ArchitectureHard

Tests your ability to balance scalability, latency, and cost in real-world architectures.

Feature StoreRetrievalModel ServingQuantexa
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4
Behavioral & Leadership13 questions · ~118 min
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5
More topics2 questions · ~18 min
Optimize a Slow QueryHard

Tests performance debugging skills across query planning, indexing, and pipeline execution.

Window FunctionsJoinsAggregationsQuantexa
Product Release Process ImprovementMedium

Assesses your product sense and systems thinking around release engineering and compatibility risk.

Quantexa
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 34 questions plus 3 hands-on drills to finish this plan.