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Updated weekly · Last refresh Oct 23

Autodesk Backend Engineer Interview Questions

The questions to prepare for a Autodesk Backend Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
SQL & Data ManipulationStart here. 4 questions · ~64 min
SQL indexing fundamentalsMedium
Practice

Use a filtered join query to explain when PostgreSQL indexes improve performance and when their maintenance cost outweighs the benefit.

database optimizationJoinsindexesAutodesk
SQL Query for Third LargestMedium
Practice

Use a CTE, join, and RANK window function to find employees earning the third-highest distinct salary.

aggregationsqlAutodesk
Top Nth Salary Without LIMITMedium
Practice

Find the Nth distinct highest salary using PostgreSQL ranking without LIMIT.

Data Manipulationsql querysalaryAutodesk
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2
Coding3 questions · ~48 min
Filesystem in boxes modelMedium
Practice

Model nested filesystem boxes and compute total file size using recursive depth-first traversal.

dfsData StructuresAlgorithmsAutodesk
Debugging a large codebaseMedium
Practice

Fix a buggy interval-merging function that must sort ranges and combine overlapping or touching intervals.

ArraysAlgorithmsedge casesAutodesk
Merge Sort Complexity ExplanationEasy

Explain why merge sort runs in O(n log n) time, uses O(n) extra space, and when it is a good choice.

space complexitytime complexitySortingAutodesk

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3
More topics2 questions · ~32 min
API Gateway vs Service DiscoveryHard

Explain the difference between API Gateway and Service Discovery, and when each pattern is appropriate.

distributed systemsapi gatewayarchitecture patternsAutodesk
Data Consistency in MicroservicesHard

Design consistency guarantees across distributed ML microservices, data stores, feature pipelines, and model-serving workflows.

system designFeature Storedistributed systemsAutodesk
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