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Majd M.MM

Majd M.

Full-stack Developer · Web, AI and CRM

€350/day
Madrid, ES
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Majd

I build complete and functional web platforms, from start to finish — and maintain them.

I help companies and startups launch real web products without needing to coordinate an entire team. I handle the entire cycle: design, full-stack development, AI integration, deployment, and continuous maintenance. My priority is to deliver something that truly works in production, quickly, not a mockup.

Featured Project — car365.ma car style net
I designed and developed a complete vehicle marketplace on my own, now in production. It includes:
- User accounts, profiles, and data management
- Advanced search with Meilisearch, favorites, and price alerts
- Ad posting with automatic vehicle detection by AI (vision) and description generation with LLM
- Payment system and ad monetization
- Notifications, alerts, and scheduled tasks
- Automated deployment with E2E tests and rollback

What I can do for you
- Custom web platforms and applications (marketplaces, dashboards, internal tools)
- AI integration into your product: useful chatbots, intelligent search, automation, LLM
- Implementation and configuration of CRM (HubSpot, Twenty) connected to your website
- Maintenance and evolution of existing products

Stack
Next.js · React · Node.js · NestJS · PostgreSQL · Redis · Meilisearch · OpenRouter/LLM Integration · Nginx/PM2

I work 100% remotely, respond quickly, and set realistic deadlines. Native Spanish speaker. If you have a project in mind, write to me and let's talk.
  • Spanish

    Native or bilingual

  • English

    Fluent

  • French

    Native or bilingual

  • Arabic

    Fluent

Remote only
Primarily works remotely

Experience

  • Agente de atención al cliente por WhatsApp con IA
    Agentaria — WhatsApp Customer Service Agent with AI (RAG)
    January 2026 - February 2026 (1 month)
    Madrid, Spain
    I designed and built a conversational AI agent for customer service via WhatsApp, capable of adapting to different types of businesses (salons, clinics, agencies, services).

    How it works:
    - Responds to incoming customer messages like a real employee of the business, with the appropriate tone for each sector
    - RAG system: queries a vector knowledge base (Supabase) to retrieve real business information before responding — no made-up answers
    - Intelligent escalation agent: detects when the customer shows real intent (requests an appointment, wants to buy, provides their data) and automatically transfers the conversation to a person
    - Conversation memory to maintain dialogue continuity

    Technologies:
    n8n (automation) · RAG · Supabase (vector database) · LLM via OpenRouter · Embeddings · WhatsApp Business API · AI Agents with escalation

    A complete AI automation system, from start to finish.
    AI Integration AI Agent Agentic AI AI Chatbot Generative AI
  • CAR365
    Full-stack Web Product Developer (Founder)
    AUTOMOBILE
    January 2025 - Today (1 year and 6 months)
    Madrid, Spain
    I designed and developed car365.ma entirely, a complete vehicle marketplace in production, as the sole developer of the project.

    Responsible for the entire product cycle: design, full-stack development, AI integration, deployment, and maintenance.

    Key features I built:
    - User accounts, profiles, and data management (GDPR export, account deletion)
    - Advanced search with Meilisearch, favorites, and price alerts
    - Ad posting with automatic vehicle detection by AI (vision, multi-image) and description generation with LLM
    - Payment and ad boosting system (monetization)
    - Notifications, search alerts, and scheduled tasks (CRON)
    - Automated deployment pipeline with E2E tests (Playwright) and rollback

    Technical Stack: Next.js, NestJS, PostgreSQL, Redis, Meilisearch, OpenRouter/LLM integration, deployment on VPS with Nginx and PM2.

    I delivered a real, functional product in production, managing the project solo from start to finish.

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