Guillaume Flambard

Full-stack developer · React · TypeScript · Node.js

React/TypeScript full-stack developer with around five years of professional experience in business interfaces, web development and API integrations. Volunteer Tech Lead on Rescue Atlas (Data for Good for SOS Méditerranée) since October 2026, an ongoing nonprofit project. Available for freelance work and fully remote roles.

Technical skills

React · TypeScript · Next.js · JavaScript · Node.js · NestJS · Fastify · REST APIs · PostgreSQL · Laravel · Symfony · Docker · GitHub Actions · Playwright

Experience

  1. Oct 2026 to present

    Data for Good · Rescue Atlas

    Volunteer Tech Lead · SOS Méditerranée project

    Co-leading technical planning for the rescue map redesign: architecture, data sources and flows, backlog scoping and volunteer onboarding. Ongoing nonprofit project; no official product launch claimed.

  2. Oct 2023 to present

    Memo Labs

    Independent developer · freelance

    Next.js apps, API integrations, n8n flows and AI features; I run my own production server and published the n8n-nodes-opn node on npm.

  3. Jun to Aug 2026

    Blue Owl

    CTO

    Web version of an AI education product, from a 2,600-file Electron engine: NestJS/Fastify gateway, streaming Next.js interface, exports.

  4. 2025 to Aug 2026

    Echo Travel

    CTO

    Booking and operations for an island transport business (about 150 passengers a day): 12Go, dispatch, ticketing, payments.

  5. Apr 2024 to Jan 2025

    Symbyoz

    Full-stack developer · remote

    Built BananAI on Next.js (auth, back-office, no-code game builder); worked across most of Flylooping’s frontend in HTML, CSS and JavaScript.

  6. Sep 2021 to Sep 2023

    Medsharing

    Frontend developer · remote

    Migrated 100+ screens of a regulated clinical SaaS (ASP Classic and jQuery to Bootstrap); clinical-trial dashboards in D3 and amCharts.

  7. Feb to Jun 2020

    Adriver Group

    Web development intern

    Contributed to responsive interfaces and a campaign-reporting dashboard.

Selected work

Émargo: business web app, public site accessible (commercial adoption not independently verified). Largo IA: developed and launched a public website. Echo Travel: CTO until August 2026. PayKit: early-access prototype.

Education and languages

OpenClassrooms: Front-end developer, RNCP level 6 (2023) · WebForce3: Full-stack web development (2020).

French: native · English: professional working proficiency.