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Karl Vaillant

Software Engineer

// guadeloupe, gp · UTC-4

Building in the open from Guadeloupe. Software Engineer.

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profile sourced from GitHub

Scouting report

Guadeloupe full-stack and web3 dev with Solidity/Cairo and OSS backend integrations

assessed from open-source footprint

Staff
37signal

Karl is a Guadeloupe-based engineer with a 12-year history spanning JavaScript/TypeScript plus blockchain work in Solidity and Cairo. His most concrete originals are infrastructure integrations — a Couchbase backend for node-faye and an i18next Couchbase backend (2 stars each) — and authorship flags him a 'Major contributor' with 16 merged PRs, the strongest contribution signal in this batch. Tempered by a high fork ratio (0.55), low stars, and no commits last year, but the OSS integration work and PR record stand out.

Authorship & open source

Major contributorwrote 15% of commits on i18next.couchbase
16 merged PRs0 commits / yr2,481 private contributions / yr

What they build

Frontend60%
Backend40%

Industry experience

  • E-commerce & Retail

Signal breakdown

Originality47
Impact48
Consistency25
Polish18
Stars

5

top repo 2

Original repos

13

55% forks

Followers

6

On GitHub

12.4 yr

Live demos

0

Activity

Quiet

100% stale

Strengths

  • Major contributor on their flagship repositories
  • 16 merged pull requests
  • Frontend focus with Backend
  • Domain experience in E-commerce & Retail
  • Core stack: JavaScript, TypeScript, Solidity, Cairo