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Emmanuel J.EJ

Emmanuel J.

Senior AI and Full-Stack Engineer, LLM RAG SEO GEO

€750/day
Paris, FR
3-7 years

Average response time: 1 hour

About Emmanuel

Senior product engineer. I design, build and operate production systems. Ten years in full stack, three years focused on LLM agents, RAG and autonomous pipelines, two years on Web3 trading infrastructure.

WHEN TO CALL ON ME

You're building an AI product and you want someone who's shipped one in production. Claude Agent SDK, OpenAI tool use, RAG, resilient orchestrators, evaluation harnesses, autonomous content pipelines at scale.

You have a Web3 project handling real capital. Multi-chain trading bots (Solana, EVM, Bitcoin), DEX routing (Uniswap, Jupiter, Hyperliquid, dYdX, Drift), wallet management, smart contracts.

You're launching a comparator, a lead funnel, a multi-tenant SaaS, an e-commerce site. Next.js, Node, WordPress, Shopify, Webflow.

RECENT WORK

ORIAS-compliant French insurance and savings platform that converts visitors into qualified leads for partner brokers, with an autonomous AI news desk publishing daily.

Real-time insurance comparator that queries every partner insurer in parallel and routes the lead to the right broker in seconds.

Real estate platform with intent capture, real-time lead scoring, multi-brand content hub shared across two labels.

Restaurant discovery platform for Israel, powered by an autonomous research agent that finds, verifies and publishes with no human in the loop.

Multi-chain trading agent operating real capital across 16 DEX venues, Telegram-controlled.

METHOD

Written brief within 24h. Daily written updates during the engagement. Tests on anything that touches money, auth or on-chain transactions. Clean handoff documentation. Fixed-price when scope is clear, time-and-materials when it isn't. Solo on small jobs, LaBoetie team on larger ones.

Native French, fluent English. Paris, 30h/week, 3-month minimum retainers.
  • French

    Native or bilingual

  • English

    Native or bilingual

  • German

    Conversational

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • LaBoetie
    Founder and Lead Engineer
    DIGITAL AND IT
    January 2025 - Today (1 year and 5 months)
    Paris, France
    Independent product and AI engineering studio. Owning spec, architecture, code, deployment and ongoing operations across several live platforms: France Épargne (ORIAS-compliant insurance and savings), Ganeden (multi-tenant real estate), AssureCompare (insurance comparator), TaamTaam (autonomous restaurant discovery), Vertena (energy renovation lead generation), LaBoetie (multilingual agency site). Shared infrastructure (VPS Automation, Skillslib), autonomous AI pipelines (Claude Agent SDK), Telegram-based observability, continuous deployment on Fly.io and Vercel.
    Claude Agent SDK Full-Stack Development Multi-tenant SaaS Next.js Web Scrapping
  • Squared
    Full-Stack Engineer
    DIGITAL AND IT
    January 2024 - January 2025 (1 year)
    Paris, France
    Full-stack web engineering for agency clients. Multi-project delivery in a fast-paced agency environment, end-to-end responsibility across discovery, build and shipping. Stack varied per client project.
    Salesforce Apex Wordpress React.js Node.js
  • Freelance
    Web3 Engineer
    BANKING AND INSURANCE
    January 2021 - January 2024 (3 years)
    Smart contract development and integration across multiple chains. DEX routing, wallet integrations, on-chain data pipelines, multi-chain execution on Solana, EVM and Bitcoin for several clients in the sector.
    Bitcoin Blockchain Web3 Solidity Trading Bot

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Education

  • Bootcamp
    42
    2018
    Développement intensif en C

Skill set

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