Supratik Sarkar
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I design systems: the ones global businesses run on, the products I build, and the way I run my life.

Enterprise Architect · 14 years in SAP · High-tech, Telecom, Chemical, Energy

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Portrait of Supratik Sarkar

01 — Systems

Three scales, one way of thinking

Every page on this site traces back to one of these. Pick a door.

01 — ENTERPRISE Systems businesses run on SAP architecture: S/4HANA, BRIM,GTS, SD, LE, MDG, BIS See my work → 02 — PRODUCTS Products I build What I build and ship: RebaseNest,FireEnough, and what comes next Open the lab → 03 — LIFE How I run my life Money, fitness, machines, decisions:70% competent across many areas Read the writing → 01 — ENTERPRISE Systems businesses run on SAP architecture: S/4HANA, BRIM,GTS, SD, LE, MDG, BIS See my work → 02 — PRODUCTS Products I build What I build and ship: RebaseNest,FireEnough, and what comes next Open the lab → 03 — LIFE How I run my life Money, fitness, machines, decisions:70% competent across many areas Read the writing →

02 — Lab

From the Lab

Live

FireEnough

When can I stop working, and what actually moves that date? A local-first retirement planner for India that answers in your own rupees, months and ages, with every figure inspectable.

Started 2026

React · TypeScript · Vite · IndexedDB · Vercel

Visit fireenough.com
Live

RebaseNest

A relocation platform for Indians abroad navigating the return home: free, browser-only calculators for RNOR status, landing months, NRE/NRO/FCNR redesignation and runway.

Started 2025

Next.js · Vercel

Visit rebasenest.com

Everything in the Lab →

03 — Writing

Latest writing

· Build logs

Building My Personal AI Operating System

Why I built Aegis — a system that manages my life while I focus on what matters. Architecture decisions, trade-offs, and what I learned.

All writing →

Newsletter

One email when I publish something worth reading

Essays on enterprise systems, the products I build and the way I run my life.

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Work with me

Hiring, or need an architect?

For senior roles and architecture advisory, email me directly.

hello@thinksupratik.com