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Engineering

Frontend Engineering Career Resources

Performance engineering stories, design system ownership, and cross-platform scope maps for frontend engineers.

Bottom line

Treat performance as an architectural constraint from day one. Choose rendering strategy (SSR/SSG/CSR/Islands) based on content freshness and interaction requirements, not convention. Then measure with real user data, not just Lighthouse.

0.1s

Improvement in LCP correlates with 8% improvement in conversion rate

Google/Deloitte research
53%

Of mobile users abandon pages that take more than 3 seconds to load

Google research
$162K

Median base salary for Senior Frontend Engineers in major tech markets

Levels.fyi data

Is this track right for you?

Use this track If you…

  • You're targeting Senior Frontend Engineer or Frontend Architect roles
  • Your pages have Core Web Vitals issues or high LCP/CLS scores
  • You want to articulate performance decisions in system design interviews

Consider another track If you…

  • You're early-career without production frontend ownership
  • Performance is not a stated requirement for your current target roles
  • Your apps are already in the 95th percentile on Core Web Vitals

Common questions

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