> Markdown version of [/jobs/ext/14513-developpeur-back-end-javascript-senior-cdi-levallois-perret](https://www.wearedevelopers.com/jobs/ext/14513-developpeur-back-end-javascript-senior-cdi-levallois-perret). 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). --- # Développeur Back-End JavaScript Senior - CDI - Levallois-Perret - **Company:** Buy The Way - **Location:** Levallois-Perret, France - **Experience:** Expert - **Salary:** €156,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Business Software, Github, PostgreSQL, MariaDB, MongoDB, Scrum Methodology, Redis, Azure Active Directory, TypeScript, Grafana, Backend, Heroku, NestJS, JestJS, Atlassian Bamboo, Microservices - **Published:** May 13, 2026 - **Apply:** https://fr.indeed.com/viewjob?jk=336d417e12c740b0 ## About the Role ? Node.js / JavaScript / TypeScript ? Hono & NestJS ? PostgreSQL, MariaDB, Redis, MongoDB, ? 5+ ans d?expérience en développement back-end ? Très bonne maîtrise de Node.js et TypeScript ? Expérience en architecture micro-services ? Connaissance de Hono fortement appréciée ? À l?aise en environnement Agile et en collaboration transverse ## Description Dans le cadre du renforcement d?une équipe tech agile et en pleine évolution, nous recherchons un(e) Développeur Back-End JavaScript Senior pour intervenir sur des applications à fort impact au sein d?un environnement moderne orienté micro-services., ? Concevoir et développer des APIs robustes et performantes ? Participer à l?évolution d?une architecture micro-services moderne ? Maintenir et faire évoluer plusieurs applications métier ? Collaborer étroitement avec les équipes Front, DevOps et Sécurité ? Garantir la qualité, la performance et la scalabilité des services backend ? Participer activement aux rituels Agile / Scrum ## Related Videos - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Streaming AI Responses in Real-Time with SSE in Next.js & NestJS](https://www.wearedevelopers.com/videos/1630-streaming-ai-responses-in-real-time-with-sse-in-next-js-nestjs) - [Next, Nest, Nuxt… Nust?](https://www.wearedevelopers.com/videos/421-next-nest-nuxt-nust) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [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) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)