Writing: essays and notes on product engineering

Long-form writing by Sangeet Banerjee on realtime systems, infrastructure UX, growth engineering, and software craft.

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Writing

What I've learned shipping

product engineering, realtime systems, and infrastructure UX. lessons from shipping software that had to survive production, not just demos.

Archive8 entries
01
2 min read

The resume is the site

humans barely read PDFs anyway. screening is agents + a URL. the site is for both.

portfoliohiringmeta
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02
3 min read

When the host leaves (and mute is still two clicks)

host handoff, one-click mute, and the “small” host tools people actually played with: quality meters, network graph, fine controls.

realtimewebrtcux
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03
2 min read

Redesigning Meet while people are still in calls

we thought it was a theme pass. it became ripping out years of code, loaders, and infrastructure, mid-traffic.

realtimeuxproduct
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04
2 min read

What PostHog was actually for

instrumenting Huddle Meet and friends without turning every button into a marketing experiment.

analyticsproductgrowth
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05
2 min read

Status that lies

priority-based polling, cursor prefetch, and why cloud status still feels wrong without a clock.

uxinfrastructurecloud
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06
3 min read

Growing a developer product without turning it into a billboard

funnel instrumentation, docs, and experiments from shipping platforms people actually use, mostly the boring parts that move activation.

growthanalyticsproduct
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07
4 min read

Boring cloud consoles are the point

what I learned building infrastructure UIs under time pressure: tables, consequences, and color that means something.

uxinfrastructuredesign
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08
2 min read

Why Statera exists

most teammates only used state + setState across components. i built the small native-feeling version of that (169B), during the React 19 moment.

sdkreactperformance
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