Top 10
Prep plan
Updated weekly · Last refresh Sep 22
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Optus Software Engineer Interview Questions

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

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1
System DesignStart here. 3 questions · ~24 min
Resilient Network Traffic SpikesHard

Evaluates your system design skills for scalability, fault tolerance, and graceful degradation under load.

system designresilienceOOptus
Monolith vs Microservices for TelcoMedium

Assesses your ability to reason about architecture trade-offs for telco-scale systems.

Trade-offsmicroservicesOOptus
High Availability for Satellite NetworksMedium

Tests your ability to design for uptime and resilience under satellite-specific constraints.

high availabilityOOptus
2
Execution3 questions · ~24 min
Distributed Performance TroubleshootingMedium

Assesses your approach to diagnosing and resolving performance issues across distributed services.

distributed systemsTroubleshootingOOptus
Infrastructure as Code at ScaleMedium

Tests your ability to operate modern infrastructure reliably using orchestration and IaC practices.

infrastructure as codescalabilitycontainer orchestrationOOptus
Data Integrity Across RegionsMedium

Evaluates your understanding of consistency, replication, and integrity in multi-region architectures.

distributed systemsdata integrityOOptus

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3
Behavioral & Leadership3 questions · ~24 min
Identifying and Driving Down RiskMedium

Tests ownership in finding and mitigating security risk, plus stakeholder communication and risk-based decision making.

Stakeholder ManagementCommunicationOwnershipOOptus
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4
More topics1 question · ~8 min
Securing CI/CD in ComplianceMedium

Assesses your security mindset for protecting build, deployment, and supply chain in regulated settings.

CI/CDComplianceSecurityOOptus
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