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Blazing FAST
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erwanvivien/README.md

Hi, I'm Erwan 👋

I'm a product-minded full-stack engineer based in Paris.

I build fast, reliable web products across frontend architecture, browser rendering, media pipelines, backend systems, Rust, and WebAssembly. I enjoy working below the usual abstractions—but I care just as much about the product people actually use.

Previously, I was a Software Graphics Engineer at Jitter, where I worked on performance-critical rendering and export infrastructure:

  • Up to 100× faster browser-based rendering
  • 20× faster GIF exports through WebAssembly
  • 10× faster exports for MP4-heavy projects
  • Rebuilt MP4, WebM, and GIF export systems
  • Shipped full-stack features across frontend, APIs, and backend services

I'm currently looking for my next full-time engineering role.

Selected work

  • FastQR — QR Code generation implemented from the ISO specification in Rust, optimized for performance and WebAssembly. 300k+ crate downloads and 290+ GitHub stars.
  • Moonvas — An experimental collaborative moodboard exploring Durable Objects and multiplayer synchronization.
  • FeatGuessr — A live trivia game powered by PostGIS.
  • Social Account Manager — A personal desktop app for running isolated browser sessions.
  • Letter4Later — Send a physical letter to your future self.
  • Maison Bundle — Built and operated the full-stack platform for a French digital-products business generating around €1M in gross revenue.

Open source

I've submitted contributions around browser media, WebAssembly, image processing, and web-platform documentation, including:

MP4Box.js · mp4-muxer · MDN · wasm-bindgen · wasm_thread · libimagequant

I also enjoy teaching, sharing what I learn, and working with ambitious teams that take engineering seriously without taking themselves too seriously.

Website · LinkedIn · Email

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  1. fast_qr fast_qr Public

    Ultra fast QRCode generation

    Rust 292 37

  2. xiaojiba.dev xiaojiba.dev Public

    TypeScript 3