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Updated weekly · Last refresh Aug 30

Upwork Software Engineer Interview Questions

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

33questions
~4htotal time
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1
System DesignStart here. 7 questions · ~56 min
Seat Locking to Prevent RacesHard

Evaluates your approach to concurrency control in a reservation workflow.

race conditionsUpwork
Thread Safety at ScaleMedium

Assesses your understanding of thread safety and correctness under load.

thread safetyscalabilityUpwork
Database Partitioning and ScalingHard

Assesses your ability to scale data storage and maintain performance at scale.

scalingUpwork
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2
Coding8 questions · ~64 min
Embedding External CSSEasy

Evaluates your understanding of linking external stylesheets in HTML.

cssUpwork
Label Tracking SystemMedium

Tests your ability to design and implement an efficient in-memory tracking algorithm.

system designData StructuresUpwork
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3
Behavioral & Leadership15 questions · ~120 min
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4
More topics3 questions · ~24 min
Integrate Automated Testing into CI/CDMedium

Explain how you integrated automated testing into a CI/CD pipeline while balancing coverage, speed, and release risk.

automated testingCI/CDpipeline integrationUpwork
Kafka vs AlternativesMedium

Assesses your understanding of event streaming trade-offs and architecture choices.

kafkaUpwork
Make the Project SuccessfulMedium

Evaluates your execution mindset and ability to drive outcomes.

strategyUpwork

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