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IntermediateLEADERSHIP
Tell me about a time you led a technical decision or initiative (tooling, architecture, or process) that required gaining buy-in from engineers and non-engineers—how did you build the strategy, present the ROI, and handle pushback?
Frontend Developer
General

Sample Answer

At my last company I championed switching our frontend build from a bespoke Webpack setup to Vite to cut build times for a 12-person engineering team. I ran a two-week pilot on a non-critical microapp, measured developer feedback (surveyed 8 devs) and gathered metrics: cold build times dropped from 90s to 8s, and hot-reload latency dropped 85%. I presented a one-page ROI to PMs and the CTO showing ~120 developer hours saved per sprint across the team and reduced CI minutes by 60%, translating to ~$18k/year in CI costs. For pushback about migration risk, I proposed phased migration, a rollback plan, and pair-migration sessions. After rollout, developer satisfaction rose 30% in our internal survey and time-to-merge shortened by an average of 22%.

Keywords

Pilot first, measure concrete metrics (build times, CI costs, dev hours saved)Create a clear ROI and phased migration plan to reduce perceived riskAddress pushback with rollback options, pairing, and cross-team communication
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