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Titan Interview Questions

The questions to prepare for Titan interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 4 questions · ~35 min
Maximum Sum Contiguous SubarrayEasy
Practice

Use Kadane's algorithm to find the contiguous subarray with the largest sum in linear time.

Dynamic ProgrammingArraysGreedyTitan
Implement API Gateway Rate LimiterMedium

Tests practical backend engineering skills for enforcing request limits reliably.

network requestscachingperformance analysisTitan
Hard Dynamic Programming ProblemHard

Tests advanced algorithmic thinking and DP problem-solving under competitive constraints.

Dynamic ProgrammingAlgorithmsTitan
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2
Execution3 questions · ~27 min
Aggregate Feedback System DesignHard

Tests system design skills for multi-channel ingestion, normalization, and response workflows.

system designcross-platformTitan
High-Throughput Email DispatchHard

Tests email infrastructure design, reputation management, and deliverability strategy at scale.

Trade-offsthroughputTitan
Rate Limiting and API FailuresMedium

Tests resilience patterns for external API integration, including backoff and failure handling.

rate limitingTitan

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3
Behavioral & Leadership11 questions · ~97 min
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4
More topics2 questions · ~18 min
Email Architecture and DNSMedium

Evaluates understanding of email infrastructure and DNS concepts as they relate to Titan's email delivery.

dnsTitan
Email Protocols and Use CasesMedium

Assesses knowledge of email protocols and selecting the right approach for different email use cases at Titan.

email protocolsUse CasesTitan
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