Dataford
Top 15
Prep plan
Updated weekly · Last refresh Sep 24

upstox Backend Engineer Interview Questions

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

15questions
~2htotal time
Track your progressSign up free to work through all 15 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 5 questions · ~41 min
Explain Solution Time ComplexityEasy

Explain how to analyze an algorithm’s time and space complexity and justify the result from the code structure.

Hash TablesSearchingSortingupstox
Next Smallest CombinationMedium

Evaluates your ability to design and implement an efficient algorithm for a combinatorial problem.

Algorithmsupstox
Data Structures and OptimizationMedium

Tests your problem-solving strategy for efficient algorithms and correct data structure choices.

Data StructuresAlgorithmsupstox
More Coding questions with a free account
2
Execution3 questions · ~25 min
Managing Dependencies and Code QualityMedium

Assesses your practices for dependency management, testing, and maintaining code quality at scale.

code qualityupstox
Debugging High Latency and CrashesHard

Tests your incident debugging process and ability to restore service reliably.

Debuggingupstox
More Execution questions with a free account
3
Behavioral & Leadership4 questions · ~33 min
More Behavioral & Leadership questions with a free account
4
More topics3 questions · ~25 min
Node.js Event LoopMedium

Evaluates your understanding of asynchronous execution and its impact on backend performance.

node.jsupstox
Distributed Transactions and ConsistencyMedium

Assesses your approach to transactional integrity and consistency across distributed systems.

data consistencyupstox
Scaling Application ArchitectureMedium

Assesses your ability to explain scalable backend architecture and operational considerations.

scalabilityupstox

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL Data Structure ReviewHard
Practice
Practice drill

Audit PostgreSQL metadata for missing or invalid keys and tables with inefficient sequential-scan patterns.

database optimizationindexesData StructuresMercury
Debug and Optimize SQLHard
Practice
Practice drill

Debug and optimize a PostgreSQL aggregation over millions of invoice and line-item records.

database optimizationJoinsperformanceIntuit
Anagram Check With SQLMedium
Practice
Practice drill

Compare normalized character signatures to determine whether each pair of strings is an anagram.

data cleaningJoinsstring manipulationAdobe
The finish line: interview-readyComplete all 15 questions plus 3 hands-on drills to finish this plan.