Uber Interview Questions (With Answers)

1,543 Questions asked

Mar 2026 First seen

Jul 2026 Last seen

1543 Unique questions

🥧 Difficulty mix

How hard are these questions?

Easy 217 (14%)Medium 1080 (70%)Hard 246 (16%)

📊 Question type

Breakdown by interview phase

🔥 12-week activity

When candidates are asked these

Last 12 weeks →

🏷️ Top topics

Where these questions cluster

Devops 484

Cloud Devops 334

Databases Sql 211

Python 197

System Design 112

Big Data Spark 84

Databases Nosql 60

Systems Networking 47

👤 Experience level mix

What seniority these are asked at

Fresher (0-1yr) 215Junior (1-3yr) 4Mid (3-6yr) 1078Senior (6+yr) 246

📝 Recent questions

Latest 10 asked by candidates

🟡 Medium ✅

If a downstream analyst says a dashboard is slow because a query over your Redshift or a thinner layer is scanning far too much data, how would you diagnose and optimize that end‑to‑end?

Redshift Data Warehousing Performance Tuning

Conceptual · Asked 1× · Jul 2026

🟡 Medium ✅

Given a list of integer IDs, return all IDs that appear more than once. Return each duplicate only once, in the order it first becomes a duplicate. Example: [1,2,3,4,2,5,1].

Arrays Hashing Duplicates

Coding · Asked 1× · Jul 2026

🟢 Easy ✅

Explain why you should use 'IS NOT NULL' instead of 'ISNULL' in SQL queries.

Sql Null Syntax

Conceptual · Asked 1× · Jul 2026

🟡 Medium ✅

Suppose you want to migrate data from Snowflake to Tatiyah, how would you do it?

Data Migration Snowflake Tatiyah

Conceptual · Asked 1× · Jul 2026

🟡 Medium ✅

What is the difference between repartition and coalesce?

Spark Rdd Dataframe Partitioning

Conceptual · Asked 1× · Jul 2026

🔴 Hard ✅

How would you compare Python Celery and Python Redis clients for a production system?

Python

Conceptual · Asked 1× · Jun 2026

🟡 Medium ✅

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🥧 Difficulty mix

📊 Question type

🔥 12-week activity

🏷️ Top topics

👤 Experience level mix

📝 Recent questions

If a downstream analyst says a dashboard is slow because a query over your Redshift or a thinner layer is scanning far too much data, how would you diagnose and optimize that end‑to‑end?

Given a list of integer IDs, return all IDs that appear more than once. Return each duplicate only once, in the order it first becomes a duplicate. Example: [1,2,3,4,2,5,1].

Explain why you should use 'IS NOT NULL' instead of 'ISNULL' in SQL queries.

Suppose you want to migrate data from Snowflake to Tatiyah, how would you do it?

What is the difference between repartition and coalesce?

How would you compare Python Celery and Python Redis clients for a production system?

How is approvals typically used in a real system?

How would you implement or configure arguments in a production environment?

How can you improve the performance of a system that uses CI/CD?

When would you choose rolling deployment in a real project?

🎤 Want these answered in real-time during your interview?