AT — Aurélien Toussaint
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Aurélien Toussaint

Portrait of Aurélien Toussaint

Front-end developer · 7+ years of React & TypeScript

Hello! I’m Aurélien, a front-end developer with 7+ years of experience building scalable, user-focused web applications with React and TypeScript. Originally from France, now based in Seoul — looking for a full-time role where I can keep growing with a team.

Front-end development is my focus, but full-stack experience with Node.js, Express and MongoDB means I can follow a feature end to end — from an intuitive UI to the backend services behind it — with an eye for clean architecture, performance and maintainability.

Lately, AI has become a core part of how I work: with Claude Code and MCP tooling I use it across development, debugging, refactoring and automation — not as autocomplete, but as part of a modern engineering workflow.

  • Stack of choice: React, Next.js, TypeScript, Node.js
  • Languages: French (native) · English (professional) · Korean (intermediate)
  • Education: Master’s-level Diploma in Information Technology — Epitech, France (2015–2020) · Diplôme d’Expert en Technologies de l’Information, Programme Grande École · incl. an exchange year at Keimyung University, South Korea (game design & programming)

Currently: Front-end Developer @ Cloudike

  • Seoul, South Korea
  • F-2-7 visa · no sponsorship needed
  • Open to full-time roles

Work Experience

Cloudike

Front-end Developer

Jul 2022 – Present · Pangyo, South Korea

  • Maintain and evolve the main Cloudike web application — implementing new designs, shipping features and fixing issues across the product
  • Refactored the application codebase to meet the requirements of CSAP, South Korea's government cloud-security certification
  • Developed an in-browser PDF document viewer built on pdf.js
  • Built a non-destructive image editor with a transformation pipeline, enabling composable, reversible image edits in the browser
  • Developed features for an AI chat experience that generates images from prompts
  • Integrated in-house AI APIs that generate short-form clips from a source video
  • Worked on an in-browser short-form editor — subtitle editing plus image and audio asset overlays
  • React
  • Next.js
  • TypeScript
  • Apollo/GraphQL
  • Tailwind CSS
  • Jest/Playwright

Lux PM / Luxolis

Full-stack Developer

Jul 2021 – Jul 2022 · Pangyo, South Korea

Client projects

  • Built client applications from scratch across several projects — React, Next.js and Tailwind CSS on the front end, Express/Node.js on the back end
  • Developed the core logic of a project-management system, notably data tables with unlimited user-defined rows and columns, where each column carries its own type (number, dropdown, user assignment, text, file)

3D Viewer

  • Built a Three.js 3D viewer with measuring tools, letting users load LiDAR-scanned models and take measurements directly on them
  • React
  • Tailwind CSS
  • Express
  • MongoDB
  • Three.js

The Missing One

Full-stack Developer

Sep 2019 – Jun 2021 · Nancy, France

  • Built a job-matching platform connecting developers and companies: company registration and job listings, developer profiles with skills and résumé upload, and recommendations matching candidates to each listing
  • Integrated Elasticsearch to speed up search across profiles and job listings
  • Owned the product beyond the code — contributed to feature decisions and project direction
  • React
  • Node.js
  • MongoDB
  • Elasticsearch

Contact

Have a role or a project in mind? My inbox is open.

© 2026 Aurélien Toussaint

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