Portfolio

KLAAS

Community and academy

Build your community, share your expertise.

A place where expertise becomes an audience: content, learning paths, members. A web app and a native mobile app on one single backend, so one single source of truth.

Role

Founder and sole engineer

Address

klaas.pro

• 2Clients, web and native mobile, on one shared backend.
• 33Specifications written before the code, and 452 mockups.

• TypeScript
• Next.js
• React Native
• Expo
• Supabase
• PostgreSQL

STUDIO

Visibility

Make anyone visible, everywhere they are looked for.

Your customers are now in two places: the feeds they scroll, and the answers they ask an AI for. STUDIO builds the video from what has already worked, publishes it, measures what answer engines say about you, publishes what is missing, then measures again.

Role

Founder and sole engineer

Address

studio.klaas.pro

• 9Social platforms fed from a single publish.
• 3Answer engines measured: ChatGPT, Perplexity, Gemini.

• TypeScript
• Next.js
• Orchestration de modèles
• Inngest
• PostgreSQL

FatThumb

Image generation

The YouTube thumbnail, described then delivered.

You describe the thumbnail you want, you get a PNG back. The hard part is not generating an image: it is that the face is the same from one render to the next. A spectacular result one time in three is not a product.

Role

Founder and sole engineer

Address

fatthumb.klaas.pro

• 60 sMaximum time for a 1280x720 PNG with a consistent face.

• TypeScript
• TanStack Start
• Convex
• Stripe
• Cloudflare R2

NOQEN

Regtech

Manage your US financial identity, in one place.

Setting up and running a US company when you do not live there: incorporation, address, accounts, filings. Twenty administrative services on a single multi-tenant platform, with the mobile app that goes with it.

Role

Full stack software engineer, freelance

Address

noqen.com

• 148API routes in production, across 31 data models.
• 23Payment webhooks, and 26 transactional e-mail templates.
• 3 274Translation keys editable by the team without redeployment.
• 22User journeys covered by end to end tests.

• TypeScript
• Node.js
• Next.js
• React Native
• PostgreSQL
• Stripe
• Playwright

SOLEO

Insurance, West Africa

Understand your insurance contract before signing it.

A neutral third-party platform for the CIMA zone, in Ivory Coast, Senegal and Burkina Faso. It explains contracts, it does not sell them and takes no commission. Three pieces built together: the web, the mobile app, and the service that reads the terms and conditions.

Role

Product engineer, for the client

Address

soleo.group

• 3Countries served, with per-country routing and pricing.
• 3Pieces shipped: web, iOS and Android mobile, AI service.

• TypeScript
• Next.js
• Expo
• Supabase
• Stripe
• Python
• FastAPI

MACHINE

Development tooling

My AI-driven development framework.

This is the tool that explains the speed of the rest of this page. Five commands take an idea to a pull request ready for review: framing, visual anchoring before the first line of code, a full development cycle, verified deployment, and a task queue under a cost ceiling. It runs on every product above.

Role

Author

• 5Commands, from idea to pull request.
• 6Other products built with it, including the six live ones.

• TypeScript
• Shell
• Agents
• CI/CD

EDIT

Automatic video editing

Edit a video by editing its transcript.

The edit happens on the text: cut a sentence, the video follows. The English-speaking market is saturated, the French-speaking one is not, and no dominant tool handles French filler words. That is the bet, and it is made explicitly.

Role

Founder and sole engineer

Address

edit.klaas.pro

• Python
• Transcription
• Orchestration de modèles