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Citi Interview Questions

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

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1
SQL & Data ManipulationStart here. 7 questions · ~85 min
2
Coding7 questions · ~85 min
Tree Heritage ReportingMedium
Practice

Use depth-first traversal to return all direct and indirect reportees of an employee in hierarchy order.

dfsData StructuresAlgorithmsCiti
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3
Pipelines4 questions · ~49 min
Data Quality in ETL PipelinesEasy
Recently asked

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityCiti
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4
Metrics6 questions · ~73 min
Define Success for a ProjectEasy
Recently asked

Define what success means for a project using clear KPIs, a north star, and supporting metrics.

KPIsSuccess CriteriaDiagnosisCiti
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5
Execution7 questions · ~85 min
Project Tracking and Reporting ApproachEasy
Recently asked

Explain how you track project execution and report status to different stakeholders using clear tools, metrics, and escalation rules.

Success CriteriaRoadmappingScope ManagementCiti
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6
System Design4 questions · ~49 min
Virus Scan of Large FileHard

Design a streaming, boundary-safe scanner that detects 100 virus-string occurrences in a 1 TB file.

distributed systemsdata ingestioncomputational costCiti
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7
More topics15 questions · ~182 min
Depreciation Impact on StatementsMedium
Recently asked

Trace a $10 depreciation increase through net income, cash flow, PP&E, retained earnings, and the balance sheet.

Accounting FundamentalsFinancial StatementsdepreciationCiti
Defining IT SecurityHard

Explain practical IT security through threat modeling, least privilege, secure development, monitoring, and incident response.

cybersecurityleast privilegeauthenticationCiti
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