Astrana Health Data Engineer Interview Questions

The questions to prepare for a Astrana Health Data Engineer interview. Questions from real interview reports rank first. Updated weekly.

Real-Time Dashboard Data Pipeline

Medium

Design a streaming pipeline that keeps dashboard data fresh and accurate for operational reporting.

InfrastructureStream ProcessingOrchestration

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ETL vs ELT Trade-offs

Easy

Compare ETL and ELT, and explain when ELT is the better pipeline pattern.

ETLELTData Modeling

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SQL vs NoSQL for Go-to-Market Data

Easy

Explain how SQL and NoSQL differ in schema, consistency, scaling, and Demandbase-style analytics use cases.

JoinsData Wrangling

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Optimizing Slow SQL

Hard

Tests your SQL tuning skills using execution plans, indexing, and query rewrites.

Window FunctionsSubqueriesJoins

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Python Caching Mechanism

Medium

Tests your practical coding skills for improving performance with caching.

Hash TablesLinked ListsHeap

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Merge Two Sorted Linked Lists

Medium

Tests pointer manipulation, iteration logic, and correctness for linked list problems.

RecursionLinked ListsTwo Pointers

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