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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As a Solutions Architect, define a 'technical vision' for infrastructure and explain how it differs from an 'execution roadmap'. Describe typical time horizons for each (e.g., 12 months vs 3+ years), the primary audiences (executive, product, engineering), and provide a short concrete example of each for a cloud infrastructure program.

HardSystem Design

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Design a 3-year technical vision and execution roadmap for a global SaaS product that must achieve 100ms median latency for core APIs, 99.99% uptime across 6 regions, and support 10M daily active users. Provide strategic pillars, major workstreams by year, key milestones, and high-level resource estimates.

HardTechnical

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You inherit a failing infrastructure modernization program that is over budget and behind schedule. Outline the immediate triage actions in the first 30 days, a 90-day stabilization plan, and a 12–24 month recovery and re-baselining roadmap. Include stakeholder communication, metrics to restore confidence, and risk mitigation steps.

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.

HardTechnical

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You must design capacity planning and forecasting for an IoT ingestion pipeline expected to handle 500k messages/sec with occasional 10x bursts lasting 15 minutes. Propose an architecture for ingestion, buffering, backpressure, storage lifecycle, and a cost model. Explain how you'd test the system under burst conditions.

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