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Updated weekly · Last refresh Sep 22

iCapital Backend Engineer Interview Questions

The questions to prepare for a iCapital Backend Engineer interview. Questions from real interview reports rank first. Updated daily.

25questions
~3htotal time
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1
System DesignStart here. 13 questions · ~104 min
REST API for Investment PortalHard

Evaluates your API design skills for a secure, domain-specific investment workflow.

api designiCapital
Integrating Third-Party Services on AWSMedium

Assesses your approach to integration, reliability, and operational concerns on AWS.

cloud servicesawsiCapital
Ensuring Data Consistency Across MicroservicesHard

Evaluates strategies for consistency, correctness, and failure handling in microservices.

system architecturedata consistencymicroservicesiCapital
High-Concurrency Service ArchitectureHard

Tests your ability to design scalable services under heavy concurrent load.

service architecturescalabilityiCapital
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2
Behavioral & Leadership9 questions · ~72 min
Handling a Critical Production IncidentMedium

Tests ownership and prioritization under pressure during a high-severity production incident, including communication and recovery discipline.

resilienceproduction issuesOwnershipiCapital
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3
More topics3 questions · ~24 min
SQL vs NoSQL Trade-offsEasy

Explain SQL vs NoSQL trade-offs, including schema design, consistency, scaling, and query flexibility.

JoinsData WranglingAggregationsiCapital
Change Management in SDLCMedium

Evaluates your process for controlled releases, traceability, and reducing production risk.

Change ManagementsdlcProject ManagementiCapital
Optimizing Slow QueriesMedium

Tests your performance troubleshooting and optimization skills for data and services.

database optimizationperformanceiCapital

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Top Customers by Region VolumeMedium
Practice
Practice drill

Find the top 3 customers in each region by transaction volume using joins, aggregation, and window ranking.

Window FunctionsJoinsRankingJPMorganChaseSilicon Valley BankNavi
SQL Query ReviewHard
Practice
Practice drill

Identify performance, security, and SQL anti-patterns in a Mercury payment query and propose a safe executable revision.

database optimizationJoinsperformanceMercury
Optimizing Complex SQL JoinsHard
Practice
Practice drill

Build an efficient PostgreSQL report that aggregates partitioned project events and costs without join multiplication.

database optimizationJoinsperformanceMcKinsey &
The finish line: interview-readyComplete all 25 questions plus 3 hands-on drills to finish this plan.