Sample Answer
When I led a four-person team to break up a customer-management monolith used by ~500k users, I started by defining measurable goals: reduce deploy blast radius to under 0.1% downtime, cut release time from 4 hours to 20 minutes, and move 60% of traffic to services within six months. We mapped domain boundaries, prioritized low-risk, high-value slices, and created backward-compatible API contracts. For execution we used feature flags, canary releases, schema versioning, and automated migrations in CI/CD so each service could be rolled back quickly. I held weekly 30-minute demos for PMs and ops, sent a concise status email with risks and mitigation, and ran a post-mortem after each cutover. That approach kept stakeholders comfortable and reduced incident rate by ~70% during the project.
Keywords
Walk me through a recent multi-channel digital marketing campaign you managed end-to-end. How did you set objectives, choose channels, allocate budget, and measure success?
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