Top 40
Prep plan
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Porter Software Engineer Interview Questions

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

40questions
~6htotal time
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1
CodingStart here. 16 questions · ~145 min
Valid Parenthesis StringMedium
Practice

Validate Porter event marker strings with wildcard characters using greedy range tracking in O(n) time and O(1) space.

Dynamic Programmingstring manipulationPPorter
Find Second Largest in ArrayEasy
Practice

Scan the array once to track the largest and second largest distinct values in O(n) time.

ArraysSortingGreedyPPorter
Advanced Prime GenerationMedium

Assesses your algorithmic thinking and ability to implement efficient number generation.

prime numberAlgorithmsPPorter
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2
System Design13 questions · ~118 min
PostgreSQL vs MongoDB ChoiceMedium

Assesses your data-store selection reasoning based on consistency, queries, and workload needs.

PPorter
High-Concurrency System DesignHard

Tests your ability to design for throughput, latency, and safe resource management at scale.

scalabilityPPorter
Applying SOLID to ServicesMedium

Assesses your ability to translate SOLID into practical service architecture and code structure.

software designsolid principlesPPorter
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3
Behavioral & Leadership9 questions · ~81 min
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4
More topics2 questions · ~18 min
Distributed Data Consistency StrategiesHard

Tests your understanding of distributed consistency techniques and how to apply them to real systems.

strategiesdistributed systemsdata consistencyPPorter
Kafka in Your Current ProjectMedium

Evaluates understanding of Kafka concepts and how they fit into real system pipelines.

kafkaPPorter
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