Software measured in profit

Curl School

Hairdressers buy a course, a seminar seat or an expert certificate and have access the same minute — from the phone they work with all day. Everything around the sale, from the invoice to the certificate, is the system’s job rather than the office’s.

Built

Course platform, seminar ticketing, certification applications, admin back office, two locales

Runs on

Next.js 16 · React 19 · NestJS · Prisma · PostgreSQL

Handles

Card payments, phone-number sign-in over SMS, e-mail + Telegram delivery, certificate issuing

Result

Enrolment, payment, access and the certificate happen without anyone in the office touching an order

Why it’s built this way The audience barely reads e-mail — inboxes sit full for weeks. So nothing that costs money depends on e-mail alone: every decision, invoice and access link is duplicated to Telegram and SMS.

MakeKudri

A hair-care brand sells to shops and to people, and one system carries an order from paid to handed over — the stock it comes off, the receipt the tax office wants, the courier waybill and the money it earned.

Built

Storefront plus CRM — catalogue and price lists, warehouses and stock audits, B2B/B2C orders, consignment, expenses and P&L, reports

Runs on

NestJS · Next.js · Drizzle ORM · PostgreSQL · TypeScript

Handles

Nova Poshta waybills and tracking, Checkbox fiscal receipts, Monopay acquiring, wholesale and retail pricing

Result

One paid order books the stock, the receipt and the courier; nobody retypes an address between three systems

Why it’s built this way Stock, receipts and delivery are one flow, not three tools. A paid order reserves the goods, issues the fiscal receipt and books the courier without anyone retyping an address — which is where the errors used to come from.

Journalist Tool

A journalist drops in the recording of an interview and gets back the transcript and a usable first draft of the piece — instead of an evening spent typing out an hour of audio.

Built

Web app — upload, transcription, draft generation, sign-in; runs in the browser, nothing to install

Runs on

TypeScript · Fastify · Deepgram · Gemini

Handles

Long audio files, speech-to-text, a draft written from the transcript

Result

An hour of interview comes back as a transcript with a draft attached — the reporter edits instead of types

Why it’s built this way Transcribing is the boring half of an interview; writing the first draft is the half that eats the evening. Doing both from one upload turns a night of typing into a review — which is the only part a journalist is actually paid for.

NestorDoc

A doctor talks to a patient and the consultation writes itself up. The visit is transcribed as it happens, and the notes — history, likely diagnosis, prescriptions, advice — are drafted by the time the patient leaves the room.

Built

Web app for live consultations, structured medical notes, document generation, accounts and usage billing

Runs on

TypeScript · NestJS · Next.js · Prisma · WebSocket · Deepgram · OpenAI

Handles

Live transcription with speaker roles, ICD-10 coding, document generation, four interface languages, per-consultation AI cost tracking

Result

The write-up is finished when the consultation ends, instead of in the evening after clinic

Why it’s built this way A raw transcript is not a medical note. The hard part is knowing which voice is the doctor, which sentence is a complaint and which is a prescription — so the system settles who is speaking first, and only then writes anything down.

Watch the demo · 10 min

Connexa

A mobile app that turns a scanned QR code or a paper business card into a real, synced LinkedIn connection — so the stack of cards from a conference actually becomes a contact list.

Built

iOS and Android app, API, LinkedIn sync, contact management, subscriptions

Runs on

React Native · NestJS · PostgreSQL · Supabase · RevenueCat

Handles

LinkedIn sign-in and profile sync, QR and business-card scanning, deep links, subscription billing

Result

The stack of cards from a conference is a synced contact list before the flight home

Why it’s built this way A conference hands you fifty cards in two days and none of them end up in your phone. Scanning is the easy half; the app’s real work is keeping the contact current afterwards, which is the part that normally rots within a month.

ParentHive

A mobile app where parents arrange the school run together — matching families going the same way, signing up volunteer drivers, and pushing the notification that says who is picking up whom.

Built

iOS and Android app, a replacement backend, volunteer sign-up, real-time notifications, live ride status

Runs on

React Native · NestJS · Drizzle ORM · PostgreSQL · AWS

Handles

Phone sign-in, ride matching, push notifications, a live activity on the lock screen while a ride is running

Result

Parents settle the week’s school run in the app instead of a chat group nobody can follow

Why it’s built this way The app was live the whole time its backend was being replaced underneath it. The new API had to answer the old contract endpoint for endpoint before anything moved, so no parent ever saw the transition happen.