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
22 practiced
Design a strategy to reduce frontend release-induced rollbacks. Include pre-merge checks, synthetic regression tests, canaries, runtime feature flags, and post-deploy monitoring. Explain how each element contributes and the trade-offs involved.
HardSystem Design
24 practiced
Define a set of technical and process controls to enforce performance budgets across multiple product teams: CI gates, build-time budgets, runtime monitors, dashboards, and an escalation policy for teams that exceed budgets. Describe how SREs should measure and enforce compliance.
MediumTechnical
22 practiced
You're responsible for setting SLOs for a mobile app where perceived latency is influenced by both backend API performance and frontend rendering. Describe a robust SLO and measurement strategy that fairly attributes responsibility between frontend and backend teams and supports incident action.
MediumTechnical
24 practiced
Security and UX trade-off: How can Content Security Policy (CSP) and strict security headers cause UX or reliability problems? Propose a rollout strategy that balances hardening with minimizing user-facing regressions and describes how SREs should monitor for CSP breakage.
HardSystem Design
19 practiced
Design a CDN and origin architecture for a dynamic-content website to minimize tail latency (p99/p999) while maintaining 99.99% availability globally. Discuss caching patterns, origin scaling, edge compute (edge rendering), stale-while-revalidate strategies, and failure modes.
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