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Portrait of Julien ThomasJulien ThomasFull-stack developer

Full-stack developer in Barcelona. I take projects end to end: architecture, product, and the client conversation.

Work Email

01 / Selected work

2024–2026

LAAX

One platform for a Swiss mountain resort: booking, ski school, live mountain data.

Screenshot of the LAAX resort homepage with a mountain landscape and navigation

Next.js · Sanity · MapLibre

Owned the ski school system end to end. Booking flow, admin panel, automated emails. Started at three devs, grew to six.

Case study

1.15M visitors · 3.15M page views · +30% school revenue

2026

Cercle des Langues

Language-learning platform pairing students with live classes.

Screenshot of the Cercle des Langues marketing homepage

Ruby on Rails · React · TypeScript · Bun

Rebuilding the front end off legacy Bootstrap onto a modern stack, in a team of four on a Rails backend.

Shipping September 2026

2026

Volvamed

Scheduling and care workflows for medical practitioners.

Screenshot of the Volvamed therapist agenda with scheduled appointments

React · Express · PostHog · Sentry

Sole developer. Architecture, product, analytics, SEO, and the client relationship.

In production · 10 therapists · 400+ of their clients

Archive

02 / Experience

Five years selling and specifying in the construction industry, then a switch: Scrimba, a three-month bootcamp, and a long run of personal projects. Those sales years still shape how I run a client project.

  1. Selego Full-stack developer · Amsterdam, then Barcelona2023–Present
  2. Saint-Gobain Solutions Prescription & lobbying · Construction industry2022–2023
  3. Saint-Gobain PAM Sales & specification engineer2018–2022

03 / Notes

04 / Contact

Currently at Selego, a startup studio in Paris and Barcelona. Open to new projects. Most drawn to Next.js, TanStack, and Vercel’s eve.

pro.julien.thomas@gmail.com