The XYZ formula
Google's hiring guidance: write bullets as "Accomplished [X], as measured by [Y], by doing [Z]." Start with a strong verb, name a concrete result with a number, and say how you did it. Every example below follows it — swap in your own metrics.
End-to-end delivery
- Shipped 6 full-stack features end to end (React UI + Node/Express APIs), from design through production, in two quarters.
- Built and maintained services supporting 500K+ monthly active users at 99.9% uptime.
- Integrated a third-party payments API and rebuilt the checkout flow, adding $1.5M in annual revenue.
Performance across the stack
- Cut median page load time 5.4s → 1.9s (65%) with lazy loading and route-based code splitting.
- Reduced p95 API latency 30% (400ms → 220ms) by optimizing queries and adding Redis caching for 1M+ requests/day.
- Increased signup conversion 12% through a UI redesign validated with A/B testing.
Delivery & DevOps
- Automated a CI/CD pipeline (Docker + GitHub Actions), cutting deploy time from 45 to 8 minutes and enabling 5+ daily releases.
- Cut cloud infrastructure cost 30% by migrating select workloads to serverless and right-sizing resources.
- Raised automated test coverage from 40% to 88% (Jest + Playwright), reducing production regressions 25%.
Architecture & leadership
- Designed a normalized PostgreSQL schema and REST API powering the core product, replacing a brittle spreadsheet workflow.
- Led migration of a monolith to modular services, improving deploy frequency from weekly to daily.
- Mentored 3 engineers and streamlined code review, cutting sprint cycle time ~20%.