Software Engineer @ Galadrim

Julien Chapuy.

AI Engineer specializing in LLMs, RAG Architectures, and Scalable Backend Systems.

Read Bio
PythonPython
TypeScriptTypeScript
RustRust
SQLSQL
ReactReact
Node.jsNode.js
AstroAstro
FastAPIFastAPI
DockerDocker
AWSAWS
TerraformTerraform
GitGit
PythonPython
TypeScriptTypeScript
RustRust
SQLSQL
ReactReact
Node.jsNode.js
AstroAstro
FastAPIFastAPI
DockerDocker
AWSAWS
TerraformTerraform
GitGit

Experience

  • Lead AI Engineer

    June 2025 - Present
    • Architected and deployed a highly scalable scrapping infrastructure utilizing AWS ECS, Celery, and RabbitMQ, overseeing DevOps and cloud infrastructure for a team of 5-10 engineers.
    • Provided technical leadership and mentorship to two AI engineers on projects including document extraction and analysis, RAG chatbot development, and AI-augmented data cleaning processes.
    • Played a key role in talent acquisition by conducting over 20 technical interviews for AI engineering positions.
    • Contributed to multiple technical audits and supported pre-sales activities by providing technical expertise.
  • AI Software Engineer

    June 2024 - June 2025
    • Engineered a comprehensive full-stack solution, including a Rust backend, a React-based backoffice, and a React Native mobile application featuring AI-powered artwork retrieval via image recognition.
    • Developed and delivered internal training programs on key technologies including AWS, Terraform, and Content Delivery Networks (CDNs).

Projects

A selection of my work in Artificial Intelligence and Software Engineering.

Blog

Technical documentation, blog posts, and academic archives.

Technical Leadership

LLM Benchmark & Optimization

LLM cost analysis, RAG architectures, and AI system security.