Marsh & Mclennan Software Engineer Interview Questions

The questions to prepare for a Marsh & Mclennan Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

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ASP.NET MVC Request Lifecycle

Medium

Tests understanding of ASP.NET MVC internals, routing, and request processing flow.

Marsh & Mclennan

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Plan HA and DR Strategy

Medium

Define how you would deliver high availability and disaster recovery for a cloud-hosted application with clear recovery targets and rollout safeguards.

cloud serviceshigh availabilitydisaster recovery

Marsh & Mclennan

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SQL Joins and Window Queries

Hard

Tests ability to write advanced SQL for extracting transactional data accurately.

Window FunctionsJoinstransactional data

Marsh & Mclennan

Optimize SQL Server Performance

Medium

Tests query tuning, indexing strategy, and performance debugging in SQL Server.

indexingperformance

Marsh & Mclennan

Design REST API With Secure Auth

Medium

Tests API design skills, secure authentication, and integration patterns across services.

APIsSecurity

Marsh & Mclennan

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Batch Financial Transactions Pipeline

Hard

Tests system design for reliable, scalable batch processing of financial transactions.

financial dataBatch ProcessingQuality

Marsh & Mclennan

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