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Prep plan
Updated weekly · Last refresh Aug 30

The Trade Desk Software Engineer Interview Questions

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

50questions
~9htotal time
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1
CodingStart here. 14 questions · ~143 min
Reverse a String in PythonEasy
Practice
Recently asked

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

StringsfunctionspythonThe Trade Desk
LRU and MRU Coding TaskMedium
Practice

Simulate LRU and MRU cache eviction in O(1) per operation using a hash map and doubly linked list.

cacheThe Trade Desk
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2
Execution8 questions · ~82 min
Prioritize Across Concurrent Research StreamsEasy
Recently asked

Explain how you prioritize work across multiple simultaneous projects with shared people, conflicting stakeholder pressure, and uneven urgency.

Trade-offsRoadmappingScope ManagementThe Trade Desk
Describe a Challenging ProjectEasy
Recently asked

Share a challenging project, your role, the risks and trade-offs you managed, and the final outcome.

Trade-offsRoadmappingRisk AssessmentThe Trade Desk
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3
Pipelines4 questions · ~41 min
Scaling Microservices ArchitectureHard
Recently asked

Tests your knowledge of microservices scaling, reliability, and operational complexity.

InfrastructureIdempotencyDependenciesThe Trade Desk
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4
System Design14 questions · ~143 min
Large-Scale API System DesignHard

Assesses your approach to designing APIs for scale and reliability.

api designscalabilityThe Trade Desk
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5
SQL & Data Manipulation5 questions + 3 drills · ~81 min
6
Behavioral & Leadership4 questions · ~41 min
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7
More topics1 question · ~10 min
Set Associative Cache Security InfrastructureMedium

Assesses your understanding of set associative cache concepts in an infrastructure context.

cacheThe Trade Desk
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.