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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 daily.

28questions
~5htotal time
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1
CodingStart here. 6 questions · ~69 min
Maximum Sum Contiguous SubarrayEasy
Practice

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

Dynamic ProgrammingArraysGreedyTitan
1800-Rated Coding ProblemHard
Practice

Generate a focused 30-minute Codeforces problem-solving plan from the candidate's current understanding and blockers.

coding challengeProblem SolvingAlgorithmsTitan
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2
Technical Fundamentals5 questions · ~57 min
DNS MX and TXT RecordsMedium

Tests how MX routes email and how TXT publishes domain text used for verification and email-authentication policies.

networking basicsWeb Platformtechnical experienceTitan
SMTP Mail Transfer and PortsHard

Tests SMTP relay flow, client submission, TLS modes, authentication, and the roles of ports 25, 587, and 465.

network functionsnetworking basicstechnical fundamentalsTitan
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3
Security & Infrastructure6 questions · ~69 min
Email Architecture and DNSHard

Explain Titan's email flow and use DNS records to trace delivery, authentication, and failure handling.

NetworkingdnsprotocolsTitan
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4
Execution3 questions · ~34 min
High-Throughput Email DispatchHard

Plan a high-throughput Titan email dispatch system that protects sender reputation and maintains deliverability during scale-up.

Trade-offsalertingthroughputTitan
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5
System Design3 questions · ~34 min
Aarogya Setu Data Model and Radius QueryHard

Design Aarogya Setu tables and a geospatial query that counts covid-positive patients within x kilometers.

latencydatabase accessnotification systemTitan
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6
Behavioral & Leadership3 questions · ~34 min
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7
More topics2 questions · ~23 min
Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
The finish line: interview-readyComplete all 28 questions plus 2 hands-on drills to finish this plan.