Gaurav Jagtap

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(05) — Writing · 12 entries

Notes from the build.

Things I work out by writing them down — architecture decisions, tooling rabbit holes, and the occasional opinion. No newsletter, no tracking, no "subscribe" popup.

Featured · 2026·04 N

★ Most read

Why I stopped fighting Next.js App Router.

Six months of swearing at server components, then a quiet truce. Here's what finally clicked, what I'd skip on the next project, and the three patterns I now reach for instinctively.

9 min read

April 2026

Architecture

Real-time without the regret: MQTT vs WebSockets.

When I picked one over the other on the HVAC sim, and the perf numbers behind that call.

Backend · 11 min

Supabase RLS patterns I keep reaching for.

Five row-level-security recipes that solved 90% of my access-control problems.

Database · 7 min

A solo developer's deploy checklist.

The 23 things I wish someone handed me before my first production push.

Process · 6 min

TanStack Query: the parts I actually use.

After 18 months in production, here's what survived the hype curve.

Frontend · 8 min

Multi-tenant from day one (without the headaches).

How the Restaurant POS handles 4 locations off one Postgres without a single tenant collision.

Architecture · 10 min

FastAPI for people who already like Express.

A side-by-side translation guide for Node folks crossing the aisle.

Backend · 9 min

Zustand vs Redux vs nothing.

When I reach for state libraries — and the projects where I learned to skip them.

Frontend · 5 min

A year of writing reproducible bug reports.

The template that cut my PM ping-pong by half.

Process · 4 min

When Postgres is enough.

Stop reaching for new databases. Yours can already do the thing.

Database · 7 min

CSS variables ate my design system.

Why I rebuilt my tokens layer in plain CSS and never went back to Sass.

Frontend · 6 min

The smallest useful API contract.

REST, RPC, GraphQL — the answer is usually just "be predictable".

Architecture · 8 min