{
  "schemaVersion": "1.0.0",
  "generatedAt": "2026-09-28T21:17:10.327Z",
  "identity": {
    "fullName": "Guillaume Bailleul",
    "headline": "Senior Full-Stack Software Engineer — Go/Python, React, and Distributed Systems",
    "email": "guillaume.bailleul@gmail.com",
    "phone": "+33 7 81 79 29 34",
    "location": "Lille, France",
    "linkedinUrl": "https://www.linkedin.com/in/bailleul-dev/",
    "githubUrl": "https://github.com/bailleul-dev"
  },
  "profile": {
    "summary": "Senior full-stack software engineer with 15 years of experience, from Go and Python backends and distributed systems to React and React Native interfaces.",
    "language": "en",
    "updated": "2026-09-08T00:00:00.000Z"
  },
  "skillsRaw": "Go, Python/FastAPI, Elixir/Phoenix, TypeScript/Node.js, React, Next.js, React Native, PostgreSQL, Cassandra, MongoDB, Kafka, RabbitMQ, GCP, Docker, Kubernetes, CI/CD, LangGraph, and MCP.",
  "languagesRaw": "- French: Native\n- English: Professional working proficiency — used both verbally and in writing within international and distributed teams\n- Remote collaboration with English, Spanish, Ukrainian, and Russian colleagues",
  "sourceSections": [
    {
      "heading": "Guillaume Bailleul",
      "level": 1,
      "content": "Senior Full-Stack Software Engineer — Go/Python, React, and Distributed Systems\n\nLille, France · +33 7 81 79 29 34 · guillaume.bailleul@gmail.com · LinkedIn · GitHub"
    },
    {
      "heading": "Professional Summary",
      "level": 2,
      "content": "Senior full-stack software engineer with 15 years of experience designing and shipping complete products: Go and Python backends, APIs, and distributed systems on the server side, React / React Native applications on the client side. I work on critical business integrations and the modernization of existing systems, from architecture through delivery."
    },
    {
      "heading": "Andjaro / Silae | Senior Software Developer | 2021 - 2026",
      "level": 3,
      "content": "- Designed a Python/FastAPI LangGraph workflow for payroll-item explanations: 80% less backlog for this category of support requests\n- Modernized critical Symfony components, designed payroll / ERP / HRIS integrations, and improved the reliability of AI-assisted development; supported six colleagues in its adoption\n- Developed core Elixir/Phoenix platform features and React workflows for the French Ministry of Education\n\nTechnologies: Python, FastAPI, Go (R&D), Elixir/Phoenix, React, PostgreSQL, Kafka, Docker, Kubernetes, LangGraph, MCP"
    },
    {
      "heading": "Independent (Pagily) | Technical direction and delivery | 2019 - 2021",
      "level": 3,
      "content": "- Led the architecture and delivery of a document-management platform, from backend services to web and mobile applications\n- .NET/C# services, React/Next.js, React Native, and integrations with multifunction printers and scanning equipment"
    },
    {
      "heading": "Shipfix (Veson Nautical) | Software Developer | 2019",
      "level": 3,
      "content": "- Delivered end-to-end product features and a Python/FastAPI API for email parsing and data extraction"
    },
    {
      "heading": "Agence Dernier Cri | Senior Software Developer | 2016 - 2019",
      "level": 3,
      "content": "- Architected and implemented Mailjet SendAPI v3.1 in Go, a distributed API handling millions of requests, delivered on existing GCP infrastructure\n- Real-time and data platforms for Leroy Merlin and ADEO: high-frequency ingestion, inter-business-unit authorization, and strategic MVP delivered on schedule"
    },
    {
      "heading": "Elicity/Xee | Software Developer | 2013 - 2016",
      "level": 3,
      "content": "- Designed an IFTTT-like event automation engine and high-traffic distributed IoT platform with RabbitMQ\n- Progressively extracted Go, Python, and Node.js services from the Symfony 2 monolith; migrated MySQL to Cassandra and MongoDB"
    },
    {
      "heading": "EDF | Software Developer | 2011 - 2013",
      "level": 3,
      "content": "- Designed a contact-center performance monitoring tool, first deployed regionally and later rolled out nationwide"
    },
    {
      "heading": "Education",
      "level": 2,
      "content": "- Master's degree in Computer Engineering — EFFICOM Lille | 2013\n- Professional Bachelor's degree in Industrial Computing and Networks — IUT A de Lille | 2011"
    },
    {
      "heading": "Technical Skills",
      "level": 2,
      "content": "Go, Python/FastAPI, Elixir/Phoenix, TypeScript/Node.js, React, Next.js, React Native, PostgreSQL, Cassandra, MongoDB, Kafka, RabbitMQ, GCP, Docker, Kubernetes, CI/CD, LangGraph, and MCP."
    },
    {
      "heading": "Languages",
      "level": 2,
      "content": "- French: Native\n- English: Professional working proficiency — used both verbally and in writing within international and distributed teams\n- Remote collaboration with English, Spanish, Ukrainian, and Russian colleagues"
    }
  ]
}