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Gert 27 október 2026
10 Likely Interview Questions and Strong Answer Outlines
Tell me about a complex system you designed or significantly improved.
- Situation: Describe the business need, scale, constraints, and existing architecture.
- Task: Clarify your ownership and success criteria.
- Action: Explain requirements gathering, design alternatives, trade-offs, rollout plan, observability, and collaboration.
- Result: Quantify improvements in latency, reliability, throughput, cost, or developer productivity.
- Highlight what you would change in hindsight.
How would you design a highly available service for Acme Inc.?
- Clarify requirements: users, traffic, latency, consistency, availability, and compliance.
- Propose APIs, data model, service boundaries, and request flow.
- Address caching, load balancing, replication, partitioning, and asynchronous processing.
- Discuss failure modes, retries, idempotency, backpressure, and disaster recovery.
- Include monitoring, capacity planning, security, deployment, and cost trade-offs.
Describe a difficult production incident you handled.
- Situation: State impact, symptoms, and urgency without assigning blame.
- Task: Explain your incident role and priorities.
- Action: Cover triage, mitigation, communication, diagnosis, and recovery.
- Result: Provide recovery metrics and customer impact.
- Finish with root cause, corrective actions, runbook or alerting improvements, and lessons learned.
Tell me about a technical decision where you disagreed with your team.
- Situation: Explain the decision and competing priorities.
- Task: Show responsibility for reaching a sound, timely outcome.
- Action: Gather data, prototype where useful, document trade-offs, and invite dissent.
- Result: Describe the decision and its measurable impact.
- Demonstrate that you can disagree respectfully and commit after a decision.