Yasser
Cherfaoui

Video consultations and a medical marketplace across borders.

• Teleconsultation over WebRTC, with clinics, instant consults and waitlists.
• Local card payments (SATIM, CIB, Edahabia) alongside Stripe Connect in euros.
• AI pre-consultation on a medical language model, where clinical rules keep the final say on red flags.
• 3D pain map on male and female anatomy, compressed from 124 MB to 24 MB.

One system for a footwear brand's head office, warehouses, franchise stores, web shops, delivery and affiliates.

• Five portals for head office, moderators, franchise stores, affiliates and delivery staff, with passkey sign-in.
• Append-only stock ledger with idempotent writes, drift reconciliation and daily snapshots.
• Orders from WooCommerce and Shopify, shipped through Yalidine, NOEST or an in-house fleet with a cash remittance ledger.
• Ads intelligence joining Meta and TikTok spend to delivered orders, with a Claude analyst that shows the SQL behind each answer.

The Shamela library of classical Arabic books, readable offline on phones, Macs and the web.

• Each book becomes a full-text SQLite index, built on the device or in the browser with WebAssembly.
• Search across every downloaded book at once, with Arabic normalisation kept identical in Python and Dart.
• Highlights, notes with citations, and local-first sync across devices.

An operating system for company leaders: strategy, OKRs, projects and personal planning in one place.

• Strategy built from vision down to initiatives, with a scoring engine that rates its health.
• Multi-tenant SaaS with row-level isolation in PostgreSQL and plans enforced through signed feature flags.
• Calendar and task sync with Google, Outlook, ClickUp and Microsoft To Do.
• Beji, an AI coach with tool calling, versioned prompts and model fallback.

Imports Algerian groceries into the UK and sells them to shoppers and trade buyers.

• Web shop, iOS and Android app and staff back office on one Go API.
• Batch and expiry tracking with first-expiry-first-out reservations, pick tasks and QR-coded pallets.
• Landed-cost engine that simulates a container from Algeria to the UK, line by line.
• AI assistant with 57 back-office actions, also open to outside agents through an MCP server with its own OAuth 2.0 sign-in.

Runs an event from venue booking to sponsor reporting.

• Venue marketplace with map-based search on PostGIS.
• Registration with transactional capacity checks, waitlist promotion and Stripe payments.
• Planning with task dependency graphs and live team collaboration.
• Sponsor contracts signed through DocuSign; reminders by email, SMS and push over RabbitMQ.

Spaces where a business community posts, chats, meets and shares resources.

• Public, private and secret spaces with roles, invitations and approval flows.
• Direct messages encrypted at rest with AES-256-GCM, delivered live over WebSockets.
• Moderation queues, scheduled posts, and push and email digests.

Wholesale ordering for agri-food buyers: wholesalers, retailers, hotels and restaurants.

• Quantity price tiers and cash on delivery to all 58 wilayas.
• The server re-prices every line: tier, VAT, delivery rate and minimum order.
• Server-rendered web shop, admin panel and a Flutter app in English, French and Arabic.
• Purchases reported to Meta from server and browser, de-duplicated by event.

Turns sign-ups for trainings and events into paying customers.

• Form builder feeding a lead pipeline with targeting rules and round-robin dispatch to sales agents.
• Customers de-duplicated across forms, grouped into cohorts and invoiced as Algerian-format PDFs.
• Commissions for referral partners and sales agents when a lead pays.
• Funnel analytics by content piece and campaign tag.