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Côme de Larocque

Full-stack engineer in FinTech, EdTech, SaaS, AI products and Web.

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Since 2016
Full-stack engineer
42 Paris
Alumni
Paris, FR
Open to remote
Previously at

Projects that shipped

BNP Paribas & Hellobank! · 2023–2025

Telmi & Helloïz AI Chatbot

First generative AI chatbot in a major European bank. Built end-to-end with Svelte + Node.js, powered by Mistral AI and Rasa NLU. Presented at VivaTech 2025.

  • 66% → 35% Escalation rate
  • +3 M Users
  • VivaTech 2025 Showcase
SvelteNode.jsMistral AIRasaTailwindTypeScript
Acadomia · 2020–2022

A.Live Platform

Real-time live course platform with student-teacher matching, back-office management and API infrastructure. Scaled to thousands of daily active users.

  • 15,000+ Students
  • 1,000+ Teachers
  • 100+/wk Classes managed
Nuxt.jsNode.jsExpressAzureTypeScript
L'Oréal & Giorgio Armani · 2019

Armani AR Kiosk

Augmented reality duty-free kiosk and mobile back-office for Giorgio Armani. Multi-market deployment with full i18n support.

  • Electron + AR Platform
  • Giorgio Armani Brand
Vue.jsNuxtElectronAWSi18n
Acadomia · 2021

InstaCours

Project enabling on-demand student-teacher matching in under 24 hours. Designed the full data model, endpoints and notification system from scratch.

  • <24h Match time
  • 500+ Requests/day
Node.jsExpressAPI RESTTypeScriptMongoDB
L'Oréal · 2019

Duty-Free Back-Office

Mobile sales management application for duty-free staff. Multi-language, multi-market deployment on Electron with AWS-backed sync.

  • Multi Markets
  • Electron Platform
  • AWS Sync
Vue.jsElectronAWSi18nTypeScript
Padoa · 2020

Padoa Health Platform

Front-end components for a SaaS occupational health platform used by company physicians. Focus on reliability, accessibility and full test coverage.

  • MedTech Domain
  • E2E tested Coverage
  • Angular Stack
AngularTypeScriptCypress
Acadomia · 2022

TeamMaker

Back-office for managing teacher teams and class schedules at scale. Handles 100+ classes per week with complex assignment logic and a rich admin UI.

  • 100+ Classes/week
Nuxt.jsVuetifyNode.jsTypeScriptAzure
Terros.io / Musée du Louvre · 2023

Louvre Web App

Custom web application for one of the world's most visited museums. Led front-end architecture and delivery under tight deadline as technical referent.

  • Musée du Louvre Client
  • Tech Lead Role
  • On time Delivery
Nuxt.jsVue.jsTypeScript
MeetJammy · 2018

MeetJammy

SaaS web platform and Outlook plugin for enterprise meeting optimisation. Built the full product from zero — front-end, back-end and plugin integration.

  • SaaS B2B Type
  • Outlook Integration
Vue.jsNode.jsVuetify

Built with precision

Frontend
Vue.jsNuxtSvelteReactAngularTypeScriptTailwindVuetifyElectronCypress
Backend
Node.jsExpressAPI RESTMongoDBSQLAWSRasaMistral AI
Other
Agile/ScrumTDDFigmaZeplinAzureGit

8 years of building

Fullstack Engineer — Svelte / Node.js
BNP Paribas & Hellobank!
May 2023 — Present
FinTech VivaTech 2025
  • Developed the front-end of BNP Paribas & Hellobank!'s AI transactional chatbot using Svelte + Mistral AI generative AI — first feature of its kind in a major European bank
  • Refactored back-end of legacy chatbots (Node.js) and improved client-advisor relationship management features
  • Reduced escalation rate from 66% → 35% on Hellobank! — 1,200 active users/day
  • Contributed to RGAA/WCAG accessibility compliance on the Genius Bar advisor interface, ensuring inclusive access for all banking users
  • Project selected and presented at VivaTech 2025
SvelteNode.jsTypeScriptMistral AIRasaVueJSTailwind
▲ less

42 Paris

Peer-to-peer engineering school — project-based, no teachers, no lectures.

Verified credential 42 Cursus — Developer Level 13 · issued by 42 Verify on Credly (opens in a new tab)

Core skills

CC++UnityPHPJavaScriptNode.jsVue.jsReact
hypertube 125%

Full-stack video streaming platform — torrent-based ingestion, real-time transcoding, OAuth2, subtitles and multi-source search.

Vue.jsNode.jsMongoDBWebTorrentOAuth2ffmpeg
matcha 116%

Real-time dating app with geolocation matching, live notifications, instant chat and profile management.

Vue.jsNode.jsPostgreSQLWebSocketGeolocation
camagru 120%

Instagram-like web app with real-time filters and photo compositing — built in vanilla PHP without any framework.

PHPMySQLHTML/CSSJavaScript
darkly 125%

Web security audit — identify and exploit vulnerabilities (SQL injection, XSS, CSRF, path traversal, brute force) on a target web app.

Web securitySQL injectionXSSCSRFPentesting
wolf3D 125%

Ray-casting first-person 3D engine inspired by Wolfenstein 3D, built from scratch with MiniLibX.

CRay-castingMiniLibXMathematics
FdF 125%

3D wireframe terrain renderer using isometric projection, with zoom, translation and rotation controls.

CMiniLibX3D projectionMathematics

Continuing education— beyond 42

Distinction #1 TypeScript Top 31 / ~4,000 overall CodinGame Fall Challenge 2024

Let's build something
remarkable

Engineer with a
product mindset

8 years building fullstack products in TypeScript, across EdTech, FinTech, retail and health. I like being close to product decisions, not just the implementation.

Currently at BNP Paribas, working on the first generative AI chatbot deployed in a major European bank. Showcased at VivaTech 2025.

Product-orientedAI / MLRemote-first
Available now
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Unix ★ Holo
Unix the cat Cat · Senior Staff Engineer
11naps / day
0standups
supervision

Sleep & Supervision. Doesn't do standups — not agile either, in any sense of the word.

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