Julien Le Coupanec
Founder at The Companies API
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolJulien Le Coupanec is a founder and full-stack engineer based in Paris with 11 years of experience building product-led startups and developer tools. He leads The Companies API, a data-driven service indexing 54 million companies to power discovery and enrichment, and previously shipped a Vue.js redesign as the first hire and lead developer at Crisp. Julien combines hands-on JavaScript/TypeScript engineering (Node, Nuxt, Vue, Adonis) with growth hacking experience from TheFamily, where he advised 200+ startups and trained hundreds of growth practitioners. He’s an active open-source contributor who curates practical cheatsheets across languages and tools, reflecting a knack for clear developer documentation. Outside of tech he produces cooking content as MezzeClub, blending creativity with a maker’s discipline that shows up in his product work.
11 years of coding experience
2 years of employment as a software developer
College Dropout
Stackoverflow
7,860reputation
1.2mreached
68answers
65questions
vuejs2
top-5%
meteor
top-5%
onclick
top-5%
javascript
top-5%
Github Skills (26)
cheat-table10
ch10
vue10
datasheet10
nodejs10
vue-jsx10
documentation10
onclick9
redis9
javascript9
dockers9
django9
bash9
docker9
meteor9
Programming languages (13)
Github contributions (5)
LeCoupa/awesome-cheatsheets
Nov 2017 - Dec 2022
👩💻👨💻 Awesome cheatsheets for popular programming languages, frameworks and development tools. They include everything you should know in one single file.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:569 commits, 170 PRs, 498 pushes in 5 years 2 months
Contributions summary:Julien's contributions focused on adding and updating cheatsheets for various technologies. These included the addition of a Nanobox cheatsheet, a Node.js cheatsheet, a Bash cheatsheet, a Docker cheatsheet, a Redis cheatsheet, and a Django cheatsheet. The user also updated and reorganized existing content, incorporating global configurations and API details for Vue.js, demonstrating a broad understanding of the project's tech stack and its documentation focus.
everythingpythonvimdjangocheatsheet
LeCoupa/vuesocial
Nov 2019 - Dec 2022
🧞♀️🧞♂️ One easy-to-use button component for Vue.js with 65+ social networks.
Contributions:60 commits, 10 PRs, 52 pushes in 3 years 1 month
vue-jsbuttonvuenuxtjsbutton-component
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