Top 50
Prep plan
Updated weekly · Last refresh Aug 30

UBS Software Engineer Interview Questions

The questions to prepare for a UBS Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
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1
CodingStart here. 23 questions · ~195 min
Reverse a String in PythonEasy
Practice

Reverse a string in Python using character traversal and return the reversed result.

StringsfunctionspythonUBS
Prefix Sums for Range QueriesMedium
Recently asked

Tests your understanding of prefix sums and performance optimization for repeated queries.

Arraysperformance analysisUBS
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2
SQL & Data Manipulation3 questions + 3 drills · ~55 min
3
Execution3 questions · ~25 min
Microservices Reliability and CI/CDMedium
Recently asked

Tests your ability to ensure quality and reliability in microservices using testing and delivery pipelines.

CI/CDTestingUBS
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4
System Design3 questions · ~25 min
Two Servers Upgrade SchedulingMedium

Assesses your ability to design for availability and coordination under time-based load patterns.

UBS
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5
Behavioral & Leadership16 questions · ~135 min
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6
More topics2 questions · ~17 min
Security for API and CloudHard

Evaluates secure API design practices and how you handled cloud and deployment security.

api securityUBS
Streaming Pipeline With Throttling RiskHard

Evaluates your system design approach for scalable streaming pipelines and operational reliability.

streamingdata pipelineUBS
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.