Technical Vision and Infrastructure Roadmap Questions

This topic assesses a candidate's ability to define a multi year technical vision for infrastructure, platform, and systems and to translate that vision into a practical execution roadmap. Core skills include evaluating technology choices and architecture evolution, planning migration and modernization paths, anticipating scalability and capacity needs, and balancing cost performance with resilience and operational reliability. Candidates should demonstrate approaches to managing technical debt, sequencing investments across quarters and releases, estimating resources and timelines, establishing measurable infrastructure goals and key performance indicators, and implementing governance and standards. Discussion may also cover reliability and observability, security and compliance considerations, trade offs between short term stability and long term rearchitecture, prioritization to enable business outcomes, and communicating technical trade offs to both technical and non technical stakeholders.

MediumSystem Design

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Create a rollout plan for an enterprise Kubernetes platform that will serve multiple product teams with multi-tenancy. Cover cluster topology (shared vs per-team), RBAC, network policies, CI/CD integration, observability and the onboarding experience for teams.

EasyTechnical

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You're planning capacity for an upcoming product launch. Describe the inputs, modeling approach, safety buffers and validation steps you would use to estimate compute, network and storage needs prior to launch. Include how you'd plan for unknowns and scaling during the first 6 months.

EasyTechnical

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Compare blue/green, canary and rolling deployment strategies for application delivery. For each strategy describe how traffic is shifted, typical rollback mechanisms, how they affect risk and cost, and scenarios where one is preferable over the others.

MediumTechnical

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Compare active-active multi-region and active-passive multi-region architectures for a global service. Discuss trade-offs in consistency, latency, operational complexity, testing and cost. For each approach name at least two workloads that are well-suited to it.

MediumTechnical

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Explain how to define SLAs, SLIs and error budgets for a customer-facing service moving from 99.95% to 99.99% availability. Specify which metrics to measure, how to compute an error budget, and how that error budget should influence roadmap decisions.

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