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.

EasyTechnical

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For a component that could be either self-managed (run by platform team) or consumed as a managed cloud service, describe the decision criteria you would use to recommend managed vs self-managed. Include operational, financial, security and strategic considerations.

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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You perform an audit of a legacy platform and discover significant technical debt in code and infrastructure. Describe a practical approach to assessing and prioritizing technical debt items for inclusion in the next 4 quarters of the roadmap. Include the metrics, scoring model, and governance you'd use.

MediumSystem Design

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A client has a 10 TB relational database and needs to migrate to cloud with near-zero downtime for customers. Sketch an approach that covers schema migrations, data replication, cutover strategies, referential integrity and how you'd validate data parity after migration.

HardSystem Design

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You are moving from imperative scripts and siloed automation to a declarative GitOps model for IaC at enterprise scale. Explain the technical trade-offs, migration approach for existing state, rollout plan, and rollback strategies to minimize disruption during transition.

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