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Performance Optimization

Make software faster: 10x speedups through profiling, caching, and algorithmic improvements

🔥 Tier 2
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💻 Technical
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+$30k-
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Difficult
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Performance optimization is the art and science of making software fast. A slow website loses users (every 100ms delay = 1% conversion drop). A slow API frustrates developers. Performance skills separate good engineers from great ones—and add $30k-$70k to salaries. - User experience: Fast = happy users, slow = churn