Understanding the Company's Infrastructure Context Questions
Research the company's public infrastructure information (engineering blog, tech talks, published case studies, job description). Understand what systems they operate at scale, what problems they likely face, and what your role would contribute to.
MediumTechnical
28 practiced
Given Prometheus-like histogram metrics (request_latency_seconds_bucket{service='api',le='0.5'}, request_count_total{service='api'}), write a PromQL expression that identifies services whose 95th percentile latency exceeds 500ms for more than 5 continuous minutes. Explain each part of the query and how you'd adapt it for rolling windows and avoiding noisy alerts.
HardTechnical
28 practiced
Company operates EU and US regions and processes PII according to their public docs. Design an architecture to ensure GDPR compliance: include data residency enforcement, consent and deletion workflows, cross-border replication constraints, audit logging, and how you would handle requests to erase data. Also explain how you would demonstrate compliance to auditors and engineers.
EasyTechnical
25 practiced
A job description emphasizes 'designing highly available services', 'experience with Terraform', and 'multi-region deployments'. Explain in concrete terms what this likely implies about the company's infrastructure (for example: IaC practices, DR strategy, network topology, stateful vs stateless services). What probing questions would you ask the hiring manager to clarify production constraints and team responsibilities?
EasyTechnical
21 practiced
You're preparing for an interview as a software engineer focused on Cloud & Infrastructure. Describe a step-by-step approach you would take to research the company's public infrastructure information (engineering blogs, tech talks, case studies, job descriptions, public GitHub). Which sources do you prioritize, what concrete signals do you extract (for example: scale metrics, clouds used, orchestration tools, storage choices, SLO targets), how do you validate ambiguous claims, and how do you translate those findings into tailored interview questions and examples of impact you could make?
HardTechnical
23 practiced
A public post shows an outage caused by misconfigured failover that led to split-brain across regions and inconsistent user state. As the on-call senior engineer, list the immediate incident response steps you would take to mitigate customer impact, how you would isolate and limit data divergence, and outline a safe reconciliation plan to restore consistent state. Finally, propose systemic long-term changes to prevent splits and to detect them earlier.
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