etsuOS
Julien “etsu” Evrard
software engineer — AI · full-stack · DevOps
Apprentice @ Lemerpax (Polytech Nantes), interning at KU Leuven.
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I'm a software-engineering apprentice at Lemerpax through Polytech Nantes (IDIA — AI & data track), currently on a summer research internship at KU Leuven. I like building end-to-end: from data & ML tooling to real-time apps, 3D on the web, and the CI/CD that ships them.
- Jun–Aug 2026
Research internship
KU Leuven, Belgium
Summer internship (while still on my apprenticeship) — building AI-assisted tooling such as SensorBuddy.
- 2024–2027
Software engineering apprentice
Lemerpax × Polytech Nantes (IDIA)
Work-study in the AI & data engineering track — full-stack and ML, school and company.
- always
Tinkerer
Nintendo 3DS homebrew · Discord bots · game dev
Side projects are where I learn the low-level and the fun stuff.
🎮 Luma3DS · DiscordRPC
Discord Rich Presence on a Nintendo 3DS
2026 A Luma3DS plugin that broadcasts what you are playing on a 3DS to Discord. A full cross-stack project: low-level C/Assembly on the console, a Rust bridge, and a Svelte companion app.
- Svelte
- Rust
- C
- Assembly
- Docker
🔬 SensorBuddy
AI-assisted data extraction
2026 A desktop app that pulls sensor specifications out of scientific PDFs, combining rule-based parsing with a local LLM, confidence scoring and a validation workflow. Built during my internship at KU Leuven.
- Python
- PySide6
- Ollama
- SQLite
KU Leuven 🔒 private
✨ sae_go
A 2D particle engine
2024 A configurable real-time particle system with an interactive GUI: gravity, bounce, rotation, draw and arrow modes, all tunable live and driven by JSON presets.
team 🔒 private
Languages
- Python
- TypeScript
- Go
- C / C++
- Rust
- SQL
Frontend
- Svelte / SvelteKit
- React
- React Native / Expo
- Three.js
- GSAP
Backend
- FastAPI
- Node / Express
- Prisma
- PostgreSQL
- MySQL
- Socket.IO
AI / ML
- LLMs & RAG
- Embeddings
- ChromaDB
- MCP
- PyTorch
- Ollama
DevOps & Data
- Docker
- CI/CD
- GitHub Actions
- Terraform
- dbt
- Snowflake