Case studies

Five systems, five different ways things go wrong at scale.

Each one below is a real production system built for Sahil’s employers and clients — not a portfolio demo. Filter by domain, or read them all.

5 case studies

Booking & fleet management

Amber Car Rental

A car rental agency needed to move off manual, phone-and-spreadsheet bookings to a real-time online platform — built and run solo.

Next.jsTypeScriptTailwind CSSSupabase (PostgreSQL, Auth, Realtime)

Insurance

Quote Management System

An insurance quotation platform needed to scale past a monolithic frontend as more product lines and teams shipped features in parallel.

React.jsTypeScriptTailwind CSSMicro-frontends

Government / public services

Ease of Doing Business — MMRDA

A government Ease-of-Doing-Business platform for the Mumbai Metropolitan Region Development Authority had a legacy React codebase and multiple departmental workflows to keep running while improving it.

React.jsReduxMaterial UIFormik

Travel & booking

Mumbo — Pilgrimage Travel Booking

A travel booking platform for sacred pilgrimage packages needed an online booking flow, an admin approval workflow, and secure payments — built full-stack alongside the MMRDA work.

React.jsResponsive designNode.jsREST APIs

Insurance

Elephant.in

Term life and travel insurance purchase journeys needed clearer, more interactive UI to move customers through onboarding without drop-off.

React.jsREST APIsGitGitHub