> Markdown version of [/jobs/ext/49810-senior-software-fullstack-engineer-js-cdi-h-f](https://www.wearedevelopers.com/jobs/ext/49810-senior-software-fullstack-engineer-js-cdi-h-f). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Software Fullstack Engineer JS - CDI H/F

- **Company:** Collective
- **Location:** Paris, France (Remote available)
- **Experience:** Expert
- **Salary:** €85,000.0
- **Contract:** Permanent contract
- **Skills:** Software as a Service, Cloud Computing, Continuous Integration, Web Development, Elasticsearch, MongoDB, Node.Js, Service-Oriented Architecture, TypeScript, Datadog, ReactJS, Gitlab, Kubernetes, Playwright, Sentry, Microservices
- **Published:** May 31, 2026
- **Apply:** https://fr.indeed.com/viewjob?jk=9363a010b6161784

## About the Role

* 8+ ans d'expérience en développement web.
 * Maîtrise impérative : React, Typescript, Node.js, MongoDB, Gitlab, Kubernetes.
 * Expérience en environnement SaaS / Cloud.
 * Capacité à driver des choix techniques et accompagner une équipe.
 * Anglais courant à l'oral
 * Esprit pragmatique, orienté résolution de problèmes, goût pour la compliance et la data.

## Description

Nous recherchons un Lead Developer Fullstack (React / Node.js / Typescript / MongoDB) capable de prendre un rôle senior et autonome au sein de l'équipe.

Vos missions principales :

 * Prendre le lead technique sur les projets stratégiques (scalabilité, adoption, nouvelles fonctionnalités IA).
 * Participer aux choix d'architecture (transition du monolithe vers une approche orientée services / microservices).
 * Garantir la qualité du code et l'observabilité (tests, monitoring, CI/CD).
 * Contribuer à la montée en maturité du produit (scalabilité, réplatforming, nouveaux modules).
 * Encadrer et challenger techniquement les développeurs confirmés et juniors.

 * Stack Technique, * Rejoindre une petite équipe agile, proche du produit et des enjeux business.
 * Bénéficier de la force d'un groupe international tout en gardant l'agilité d'une startup.
 * Participer à la scalabilité d'un produit SaaS reconnu, déjà utilisé par 1000 clients.
 * Opportunité de travailler sur des sujets à fort impact : RGPD, Risk Management, IA Act.


## Related Videos

- [From Doubt to Confidence: How Sentry Uses Verdaccio to Bulletproof SDK Releases](https://www.wearedevelopers.com/videos/739-from-doubt-to-confidence-how-sentry-uses-verdaccio-to-bulletproof-sdk-releases)
- [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more)
- [40 Minutes to Build a Serverless COVID-19 REST and GraphQL APIs](https://www.wearedevelopers.com/videos/208-40-minutes-to-build-a-serverless-covid-19-rest-and-graphql-apis)
- [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company)
- [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security)
- [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers)

## Related Articles

- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)
- [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)
- [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)
- [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)