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Salary
$125k – $137k per year
Location
Hybrid (Paris, France)
Seniority
Senior
Employment
Freelance

First seen by Alion on Oct 26, 2026.

Overview
Company
Impact
Profile match
Beezen is a French company working on sustainability reporting under standards such as CSRD, GRI, SASB and TCFD, and it states a commitment to ISO 27001 information security. It hires Python, DevOps, data and MLOps engineers and product owners for cloud and data platform projects. The company is headquartered in Puteaux, France.

Contexte :

nous recherchons un développeur backend Node.js sénior pour renforcer une équipe produit digitale. Vous intervenez sur la conception et l'évolution d'APIs utilisées par les applications web et mobiles, dans un environnement agile où le backend travaille au quotidien avec les équipes Produit, Design, Front et Ops.

Vos missions :

  • Concevoir, développer et sécuriser des APIs REST JSON en Node.js (Node 22+)

  • Construire des backends robustes avec un framework standard (NestJS, Express, Fastify ou Koa)

  • Écrire et maintenir des tests automatisés (Jest, Mocha/Chai, Sinon) et suivre la couverture de code (Istanbul/NYC)

  • Gérer l'outillage Node (NPM, Nodemon, PM2) et travailler en workflow Git / GitLab

  • Rédiger la documentation technique (Markdown, Confluence) et documenter les APIs (Swagger, Postman)

  • Échanger avec les équipes Front-end (web / mobile) et Ops, et vulgariser les sujets techniques auprès du Produit et du Design

  • Intervenir ponctuellement en astreinte le soir ou le week-end si besoin

Profil recherché

  • 5 ans minimum d'expérience significative en développement backend Node.js

  • Très bonne maîtrise de JavaScript ES6+ côté serveur, expérience impérative sur Node 22+

  • Pratique avancée d'au moins un framework : NestJS, Express, Fastify ou Koa

  • Solide culture des tests automatisés et de la qualité de code

  • À l'aise en ligne de commande Bash (Linux / macOS) et sous Git / GitLab

  • Habitude des méthodes agiles, capacité à expliquer simplement des sujets techniques

  • Français courant indispensable, anglais technique lu

  • Un plus : MariaDB/MySQL, MongoDB, Redis, Prisma ou TypeORM, ElasticSearch, Docker, WebSockets / SSE, Pub/Sub, OAuth2 / JWT / SSO, Cucumber / Gherkin, bases HTML5 / CSS3

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