Cisco Backend Engineer Interview Questions

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

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CodingStart here. 4 questions · ~38 min

Reverse a Linked ListEasy

Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked Lists

Cisco

Binary Search Tree MembershipMedium

Tests ability to implement efficient tree search logic for membership queries.

Cisco

Optimize Search on Large DataMedium

Tests algorithmic thinking and performance optimization for large-scale data processing.

Searchingoptimization

Cisco

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System Design4 questions · ~38 min

Database Technology Trade-offsHard

Assesses your ability to choose appropriate data stores and reason about consistency, latency, and operations.

Trade-offsdistributed systems

Cisco

Handle High Traffic on an EndpointHard

Evaluates system design decisions for scaling, reliability, and protecting Cisco services under load.

scalability

Cisco

Consistency Across MicroservicesHard

Tests your strategies for consistency, transactions, and failure handling in microservices architectures.

system architecturedata consistencymicroservices

Cisco

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Behavioral & Leadership4 questions · ~38 min

Leading a Complex Technical DeliveryMedium

Tests end-to-end ownership of a complex technical project, including planning, prioritization, stakeholder alignment, and delivery under changing conditions.

deliveryproject leadershiptimeline management

Cisco

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