Web products built for French-speaking Africa — from offline-first PWAs to Mobile Money and WhatsApp Commerce. Code that runs, not slides.
01★ featuredA multi-agency suite for a customs transit firm: from parcel drop-off to final delivery — agencies, warehouses, containerization, inter-agency routing, invoicing, accounting, debts, storage penalties, client portal. Turborepo monorepo: NestJS API + Prisma + Socket.IO/BullMQ, plus web, ops-admin, desktop, mobile and field-tablet apps.
02★ featuredA multi-service booking marketplace (hotels, restaurants, transport, events): customer web app, client & admin mobile apps, back office and API. Mobile Money payments, e-tickets, real-time notifications and built-in video calls (LiveKit). Flagship product led at Desymtech.
An Apple e-commerce storefront in the apple.com showroom style, built for the Cameroonian market: catalog, animated product pages (GSAP/Lenis + React Three Fiber 3D), cart, Mobile Money checkout (MTN MoMo / Orange Money) and an admin dashboard (products, orders, analytics). Turborepo monorepo, front ↔ API fully typed through a single Zod contract (server-side re-pricing, transactional stock).
04The Canadian edition of the ReservaBabi platform: Stripe Canada & Interac payments, a bilingual FR/EN interface, and compliance with Quebec's Law 25 (personal-information protection) and Law 96 (French language).
An internal multi-session WhatsApp API built on Baileys (WebSocket, no Chromium): QR-based sessions, per-session API keys, a rate-limited queue (15 msg/min), retry with backoff, real-time delivery statuses (socket.io) and an @wa/sdk npm SDK. Serves as a reusable OTP/notification channel across products — Mon Bara, TransitSoft.
A mobile chess learning app (openings, endgames, tactics, puzzles) with a spaced-repetition Move Trainer (FSRS), practice against a bot with configurable strength, and deadline-based goals. Personalized content from chess.com / Lichess data, Stockfish engine running natively (no WebView). Hexagonal NestJS + Expo monorepo.
07★ featuredA platform (mobile + back office + showcase site) matching domestic workers / providers with homeowners, targeting French-speaking Africa. Chat (Stream), VOIP (Agora), payments (Paystack/Stripe), PostGIS geolocation and multi-channel OTP over SMS + WhatsApp.
A social media management SaaS: connect platforms, create and schedule posts with AI templates, a unified comment inbox, lead capture, tech watch and AI-generated reply drafts. Pluggable connectors (official API or per-session browser), multi-provider AI abstraction (Claude + OpenAI).
An automated multi-broker trading bot (Binance / Alpaca / OANDA) in paper and live modes, driven from a mobile cockpit and a web admin. Hybrid strategies leaning on Claude (sentiment / news). Going live is gated by an ABAC scope, explicit confirmation and 24h of clean paper trading; broker keys encrypted AES-GCM server-side.