Technical Depth & Areas of Specialization Questions
At FAANG companies, designers often have areas of depth or expertise. Discuss yours: e.g., mobile design, design systems, user research, accessibility, interaction design, etc. Show you have informed opinions based on experience and continuous learning.
MediumTechnical
0 practiced
How would you instrument a single-page application (React/Vue) to accurately measure 'virtual page loads' for each route, ensuring LCP/TTI attribution is correct across client-side navigations, prefetches, and cached navigation entries? Describe event hooks, correlation IDs, and common pitfalls.
HardTechnical
0 practiced
How would you design frontend telemetry collection to balance high-fidelity UX insights with privacy and compliance (GDPR/CCPA) and ingestion cost constraints? Cover data minimization, pseudonymization, opt-outs, sampling, and retention policies.
EasyTechnical
0 practiced
As an SRE, explain what a Service Level Objective (SLO) is and how you would map SLOs to user-experience metrics for a web product (examples: page load times, API p95 latency, and visible error rate). Describe practical considerations: measurement windows, user cohorts (mobile vs desktop), sampling strategies, and how business impact should influence SLO targets.
EasyTechnical
0 practiced
Differentiate monitoring and observability in the context of user experience for a web product. Give concrete examples of metrics, logs, and traces you would rely on to runpost-incident analysis for a UX regression and explain how they complement each other.
EasyTechnical
0 practiced
Explain common causes of Cumulative Layout Shift (CLS). List both server-side and client-side mitigations (e.g., explicit width/height, preloading, font-display strategies, skeleton placeholders) and describe how SREs can help enforce or monitor these mitigations across releases.
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