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Achievements

Achievement: Pair Extraordinairex2Achievement: Pull Sharkx2Achievement: Quickdraw

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Wesper-Dev/README.md

Hi, I'm Arnaud

Applied AI Engineer · Paris, France

I build AI tools and enjoy understanding what happens underneath: how a process runs, how an agent uses a tool, and what happens when something fails. My foundations are Python, C and Linux, shaped by projects at École 42 Paris.

I like learning with other people, whether we're trying an idea at a hackathon, organising a developer event or working through a difficult problem together. My projects have taken me from UNIX shells to voice journals and first-aid training.

Things I've been building

droit-de-retard: a local-first prototype that prepares flight-compensation claims from travel documents. Continuing a team hackathon project, I added deterministic tool-call validation, regression tests and CI checks, with Python handling the rules and calculations.

Diary: a voice-journal prototype and my personal continuation of Kura, a team project developed across two hackathons. I connected browser recordings to audio conversion, cloud storage and weekly reports, with explicit opt-in for analysis.

Minishell: a shell written in C as part of the 42 curriculum. I worked on command execution, pipes, redirections and process handling using UNIX system calls.

Beyond the repositories

I co-organise GDG on Campus 42 Paris and have spent 3+ years leading and coaching at Fitness 42. I'm also involved in CITOY.ENS, a conferences and debates association, where I've attended talks and suggested speakers.

As a volunteer with the French Red Cross, I built the front end of a chatbot for first-aiders and co-built its RAG over a 700-page manual at a hackathon, then spent six months on the team's training app (front end, back end, flashcards, help on the Socratic coach). It was tested with about 50 first-aiders. Professionally, I'm finishing an AI platform internship at BPCE, following a Data Scientist internship at BNP Paribas.

I'm looking for a permanent role in applied AI or AI platforms from 16 October 2026, when my internship ends. Happy to talk about a project, an opportunity or something you're building.

French native; English fluent; Spanish B1.

Portfolio · Email me · LinkedIn

A black cat sitting at a table, typing fast on a laptop.

A snake crossing my GitHub contribution graph, eating the squares one by one.

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  1. droit-de-retard droit-de-retard Public

    Local-first flight-claim prototype. Personal continuation of a team hackathon project, with deterministic Python validation and regression tests.

    Python

  2. Inception Inception Public

    42 Docker project: NGINX, WordPress and MariaDB, with dedicated Dockerfiles, persistent volumes and a container network.

    Dockerfile

  3. Minishell Minishell Public

    42 shell project in C: command execution, pipes, redirections, signals and UNIX process handling.

    C 1

  4. CroixRouge-Hackathon CroixRouge-Hackathon Public

    Forked from copeugne/CroixRouge-Hackathon

    Fork of the IA & Crise hackathon project (French Red Cross, April 2025, 1st of 12 teams). Holds part of the team's code; my part: chatbot front end and RAG, then front/back end and flashcards.

    TypeScript

  5. Diary Diary Public

    Voice-journal prototype: recording, audio processing and weekly reports. Personal continuation of Kura, developed as a team across two hackathons.

    TypeScript

  6. wesper-dev.github.io wesper-dev.github.io Public

    Arnaud Durand, Applied AI Engineer: portfolio in English and French.

    TypeScript