hi, i'm luc

I'm a french software engineer working at ZEIT, building a platform for developers to deploy their applications to the cloud.

I started learning about websites 15 years ago with XHMTL, Notepad++ and EasyPHP.

Previously, I cofounded Sequence.work, a start-up helping data scientists outsource manual and repetitive tasks to the crowd. You can read more in my CV ✍.

I am on Twitter, Github and LinkedIn.




March 2019 Object Detection – An API built with Tensorflow and Lambda functions to predict objects on images

March 2019 tensorflow-lambda – A package to run tensorflow on lambda functions

November 2018 next-size – Next.js plugin to print browser assets sizes

October 2018 🎰Emoji Machine – emoji suggestions for your thoughts

October 2018 styled-components/macro – a babel macro for styled-components

August 2018 sql – javascript tag to format SQL template literals

June 2018 terminal-markdown – markdown in your terminal

April 2018 next-purgecss – next.js + purgecss for faster websites

April 2018 next-progressbar – add a progress bar to next.js

March 2018 hyper-opacity – set the opacity of your hyper terminal

December 2017 lucleray.me – my personal website

May 2013 perceptron – an introduction to perceptrons with a demo

Jan to April 2013 OCR with Artificial Neural Networks (in french)

2010 Understanding how an electric guitar work (in french)

Bret Victor − The Future of Programming "We don't know what programming is"

Cascading Cache Invalidation An interesting article about the challenges of caching javascript files

How do you cut a monolith in half?

Local-first software The challenge is to build an alternative to cloud softwares

Node.js Fundamentals: Web Server Without Dependencies All the knowledge about nodejs' http condensed in one article

Scaling Up to Your First 10 Million Users Incremental steps to scale a system on the cloud

Why Marketing is Too important to be left to the Marketing Department

Algebraic Effects, Fibers, Coroutines... - Brandon Dail Clear explanation of how algebraic effects and fibers work and how they are used by React

Building software : The lessons from open source Applying open-source learnings to the enterprise

Designing very large (JavaScript) applications

ES modules: A cartoon deep-dive ES Modules are coming soon to all major browsers.

The Best UX is No User Interface at All The future of UX might be AI.

Human-Centered Machine Learning AI to help build great products and not the other way around.

Critical thinking in software development Making better decisions.

React performance Some explanation on what makes React faster (2013).

Everything You Wanted To Know About Blockchains Simple and visual explanation of the blockchain.

Submithub on IndieHackers I always wanted to build something related to music. I think this idea is brilliant.

I know what you :visited by Pierre Reimertz Cool hack.

My work with Spotify by Rasmus Andersson Rasmus Andersson explains how he created the first version of the Spotify brand.