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Alexis ChapellierAC

Alexis Chapellier

AI Developer

€600/day
Genève, CH
3-7 years
Python
Artificial Intelligence
AI Agent
React.js
Rust

Average response time: 1 hour

Freelancer profile translated to English.
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About Alexis

I design AI applications and agents end-to-end, from prototype to production.
Specifically, I transform an idea into a working product: LLM agents, web and mobile applications, business task automation, integration of AI into your existing tools. I first analyze your processes to identify where AI truly creates value, then I deliver the tool that optimizes them. You have a single point of contact, from diagnosis to deployment, with short delivery cycles.
My approach: deliver quickly without sacrificing robustness. I won 2nd place worldwide in Anthropic's Built with Opus hackathon (over 20,000 participants) with an agent-driven electronic diagnostic tool, built in five days. I am also developing a complete AI ERP for the electronic repair sector.
Main stack: Python, Rust, React, multi-agent architectures, and RAG.
If you are looking for someone capable of taking an AI project from concept to deployment, without an intermediate team, let's talk.
Catering

  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Wrenchboard.cloud ( 2nd mondial Anthropic Hackaton )
    Founder
    April 2026 - Today (3 months)
    Agentic diagnostic workbench for board-level repair
    • open-source
    · wrenchboard.cloud
    2nd place worldwide at Anthropic's 'Built with Opus 4.7' hackathon. Built in Claude Code multi-agents, 5 to 6 agents in parallel.
    Schematic (PDF) + boardview + symptom: build a knowledge pack per device in ~2 min, then an Opus agent controlling the board visually (pins, nets, fault simulation). Device-agnostic: iPhone, MacBook, Android, consoles, SBC. Safeguard 'precision over magic' in two layers (tool lookup + server sanitizer): zero invented components, verifiable deterministic causal chains. Self-hostable open-source engine: Python 3.11 / FastAPI, native WebSocket, Rust modules (pyo3) on hot paths, vanilla JS UI (Three.js WebGL boardview, D3 knowledge graph). Multi-tenant SaaS (Node / PostgreSQL / React) sole gatekeeper: auth, billing, quotas, token metering, encrypted AES-256-GCM PDF store, strict per-tenant isolation.
    Python Rust Artificial Intelligence FastAPI React.js
  • Repairmind.io (ERP IA)
    Founder & Lead Engineer
    January 2023 - Today (3 years and 6 months)
    Switzerland
    End-to-end design and development of a multi-tenant B2B ERP SaaS for electronic repair shops, deployed in production across 4 domains (.fr, .ch, .org, .co.uk).
    Architecture & scale
    ≈ 700,000 lines of TypeScript, 950+ API routes, zero TypeScript errors (Jest + Vitest + Playwright E2E) Clean Hexagonal + CQRS
    React.js Rust Artificial Intelligence Typescript PostgreSQL

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Education

  • Self-taught training — software development
    2023
    Formation autodidacte — développement logiciel
  • CSS3
    OpenClassrooms
    2018
    CSS3
Check out Alexis's education

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