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# Backend Engineer (Node.Js) - Real-Time, Modular Platform

- **Company:** Fourvenues
- **Location:** Valencia, Spain
- **Contract:** Permanent contract
- **Skills:** Persistent Data Structure, PostgreSQL, MongoDB, Node.Js, Backend, Build Management, Restful APIs
- **Published:** September 16, 2026
- **Apply:** https://www.buscojobs.com.es/backend-engineer-node-js-real-time-modular-platform-en-valencia-ID-372155833

## About the Role

Fourvenues in Valencia/Madrid is seeking a Backend Software Engineer with 4+ years of experience. You will design and build modular backend solutions, applying Hexagonal Architecture and DDD to keep a clean separation between layers.
You'll handle real-time sockets, RESTful APIs via Express, and data persistence across MongoDB, PostgreSQL, and Mongoose. Join a team delivering hybrid work with on-site presence in Valencia or Madrid, focusing on scalable architectures and high-quality tests.

## Description

Fourvenues in Valencia/Madrid is seeking a Backend Software Engineer with 4+ years of experience. You will design and build modular backend solutions, applying Hexagonal Architecture and DDD to keep a clean separation between layers.You'll handle real-time sockets, RESTful APIs via Express, and data persistence across MongoDB, PostgreSQL, and Mongoose. Join a team delivering hybrid work with on-site presence in Valencia or Madrid, focusing on scalable architectures and high-quality tests.#J-*****-Ljbffr


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