Blog
Notes & experiments
Frontend engineering notes by Saman Sahraei, Senior Frontend Engineer — React, Next.js, maps, performance, and product interfaces.
14 min read
Real-Time Frontend Architecture
How to separate event throughput from render throughput using normalization, buffering, batch processing, and selective subscriptions in high-frequency dashboards.
ArchitecturePerformanceReal-Time
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8 min read
Tile-Based Caching for Interactive Maps
How square tile keys, spatial caches, and zoom-aware fetching keep dense vendor maps responsive without blocking the UI thread.
MapsPerformanceReact
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React Query Patterns for Live Portfolio Demos
Stale times, refetch intervals, and optimistic UI for dashboards that look alive without pretending to be production infrastructure.
React QueryNext.jsDX
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10 min read
GPU-Friendly Overlays on Top of MapLibre
Synchronising Three.js with MapLibre, instancing markers, and keeping 60 FPS when the camera moves.
WebGLThree.jsMapLibre
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7 min read
Design Systems That Survive Nx Monorepos
Shared UI packages, strict boundaries, and typed tokens so landing and dashboard apps do not fork the same button twice.
Design SystemsNxTypeScript
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5 min read
Scroll-Driven UI Without Jank
Lenis, GSAP ScrollTrigger, and the discipline of animating only transform and opacity.
GSAPAnimationPerformance
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Building Analytics UI That Scales to Billions of Events
Rollups, funnel charts, retention cohorts, and the UX patterns that keep exploration fast even on mock data.
AnalyticsData VizProduct
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