Freelancer profile translated to English.
Back to original languageAbout David
Do you have a chatbot to build, an API to connect, a workflow to automate? I can do it in 48–72 hours.
I founded ChatFood — a WhatsApp ordering SaaS for restaurants, integrated in real-time with POS systems (Zelty, Lightspeed, SumUp) with Stripe payment in the chat. I designed and deployed the entire product alone: AI chatbot, API integrations, payment management, client dashboard.
What I do concretely:
- WhatsApp or Instagram chatbot connected to your system (orders, support, reservations)
- Custom conversational AI agent (OpenAI, Claude, Mistral)
- Workflow automation with Make, n8n, or Zapier
- Stripe integration + in-chat payment
- Connection between your existing tools (CRM, ERP, third-party APIs, Supabase)
- Full-stack development Next.js / Node.js
I deliver quickly, document everything, and adapt to your existing stack. Available remotely and in Paris / Île-de-France.
Do you have a technical problem blocking your business? I respond within 24 hours.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- COHEN DAVIDFull-Stack Developer & API / AI Integration SpecialistAGRICULTUREJanuary 2022 - Today (4 years and 7 months)Freelance developer specializing in API integration and AI automation for startups and SMEs. Projects completed: LLM integration (OpenAI, Claude, Mistral), automated Python workflow development, RAG prototype and business AI assistant design, connections with Supabase, Stripe, CRM, and SaaS tools. Available remotely and hybrid in Paris / Île-de-France. Daily rate: €380.
- ChatIMMOAI Backend DeveloperJanuary 2025 - October 2025 (9 months)PropTech startup specializing in automating real estate processes through AI. Role as AI Backend Developer:- Orchestration of complex workflows: connecting CRM APIs, conversational AI, JSON data processing, logging, and monitoring dashboards- Automation of business workflows and performance optimization- Product management: writing functional specifications, technical documentation, training non-technical teamsTechnologies: Python, REST API, n8n, OpenAI, CRM, JSON
- ChatFoodCo-founder & Full-Stack DeveloperARTS AND CRAFTSMay 2025 - Today (1 year and 3 months)Paris, FranceCo-founder of ChatFood, a FoodTech startup that automates restaurant management through custom digital solutions. I designed and developed the full-stack platform using Node.js, Supabase, Stripe, and advanced API integrations. Notably, I built an automated ordering system, a real-time management dashboard, and integration modules with delivery platforms like Uber Eats. Mission: simplify restaurant operations using AI and automation.
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