20 publicaciones de empleo destacadas de backend software developer en torrejón de ardoz, madrid provincia (¡Están contratando!)

Senior Full Stack Developer (Node.js Focus) – Open-Source AI Platform
Yopeso Romania SRL —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- DevOps
- Inglés
- Máster
Solicitud rápida
Applications Backend Engineer (f/m/d)
Axpo Group —Madrid, Madrid provincia
- Media jornada
- Trabajo híbrido
- Español
- Azure
- DevOps
Software Engineer | Benefits Squad
Pluxee —Madrid, Madrid provincia
- Jornada completa
- Español
- DevOps
- Inglés
4d
Senior Frontend Developer
Paradigma Digital S.L. —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Seguro médico privado
- Oportunidades de crecimiento y desarrollo profesional
Solicitud rápida
3d
Java Developer — AWS & Python
knowmad mood —Madrid, Madrid provincia
- Teletrabajo
- Java
- Bases de datos
- SQL
- Formación continua
- Flexibilidad horaria
1d
Fullstack Developer
Iris Venture Builder —Madrid, Madrid provincia
- Jornada completa
- DevOps
- Bases de datos
- SQL
- Oportunidades de crecimiento y desarrollo profesional
Solicitud rápida
3d
Senior Full Stack Developer
EPTA GROUP —Madrid, Madrid provincia
- Jornada completa
- Azure
- Informática
- Inglés
Senior Product Software Engineer
Wolters Kluwer —Salamanca-Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Azure
- DevOps
- SQL
Senior Full-Stack Developer / AI Specialist (Full-Time / On-Call)
Growmodo GmbH —Madrid, Madrid provincia
- Jornada completa
- Teletrabajo
- DevOps
- Inglés
- Máster
- Teletrabajo opcional
Solicitud rápida
Desarrollador/a Java SpringBoot Microservicios, hibrido
CAS TRAINING —Madrid, Madrid provincia
- De 27.000 € a 33.000 € al año
- Trabajo híbrido
- Inglés
- Java
- SQL
- Oportunidades de crecimiento y desarrollo profesional
1d
Team Lead Engineering
Unleash —Madrid, Madrid provincia
- Teletrabajo
- AWS
- Liderazgo
Senior Automation QA Engineer
N-iX —Madrid, Madrid provincia
- Teletrabajo
- Azure
- Java
- AWS
Solicitud rápida
Senior Full-Stack Developer
InteractiveAI —Madrid, Madrid provincia
- Jornada completa
- Azure
- AWS
- JavaScript
Solicitud rápida
Application Developer, Madrid
WayOps —Madrid, Madrid provincia
- Trabajo híbrido
- Informática
- Bases de datos
- SQL
Applications Backend Engineer (f/m/d)
Axpo —Madrid, Madrid provincia
- Media jornada
- Español
- Azure
- DevOps
Young Talent Program
Galeo Tech —Madrid, Madrid provincia
- Teletrabajo
- AWS
- Desarrollo de software
- APIs
Data Platform DevOps Engineer
NN Group —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Azure
- DevOps
- Inglés
- Parking gratuito
- Seguro de vida
Java & Workday Developer
knowmad mood —Madrid, Madrid provincia
- De lunes a viernes
- Teletrabajo
- Azure
- Oracle
- DevOps
3d
Senior Software Engineer | Remote | AI SaaS Software Role
Process Street —Madrid, Madrid provincia
- Jornada completa
- Teletrabajo
- Investigación
- Java
- AWS
- Seguro oftalmológico
Solicitud rápida
WordPress Developer
Varadero Software Factory —Madrid, Madrid provincia
- Oficina
- JavaScript
- HTML

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Senior Full Stack Developer (Node.js Focus) – Open-Source AI Platform

Yopeso Romania SRL -
Madrid, Madrid provincia

Solicitud rápida

Detalles del empleo

Jornada completa

Cualificaciones

Node.js
Derecho
React
DevOps
Git
Inglés
MongoDB
Máster
Docker
Grado
PostgreSQL
Redis
APIs
UI
Inteligencia artificial

Descripción completa del empleo

Yopeso has been developing a diverse range of software products, from large-scale applications to smaller solutions, for 20 years. With a growing team of over 300 employees across five locations, we are dedicated to fostering a culture of growth, transparency, and professionalism.

At Yopeso, we value authenticity, curiosity, and ambition. These values drive us to build strong connections within our community and with our partners, ensuring trust, integrity, and transparency in all our business practices. We strive to maintain the highest professional standards and continuously challenge ourselves to develop high-quality, high-performance, and secure software solutions.

Our approach is rooted in efficient collaboration among passionate professionals working in agile teams. Guided by curiosity and ambition, we strive to create products that are meaningful and impactful, while remaining true to our authentic selves.

About the Project

We are building a sophisticated, open-source AI conversational platform that integrates multiple AI providers to deliver a rich, cutting-edge user experience. We are looking for an experienced Senior Full Stack Developer to join our core team as a B2B partner.

While this is a full-stack role, your primary focus (~80%) will be driving the Backend architecture (Node.js), while occasionally supporting the modern React frontend. If you are passionate about LLMs, prompt engineering, and building robust, scalable systems, this is the project for you.

The Setup & Work Arrangement

Location: Hybrid. We require availability to be on-site at our Madrid office 2-3 days per week for architectural alignment, team syncs, and workshops. The rest of the time is remote.
Language: Fluent English is required.

What You Will Do

Take ownership of the backend components, building a sophisticated AI chat platform.
Implement new AI provider integrations (OpenAI, Claude, etc.) and complex chat functionalities.
Design and optimize database structures using MongoDB and PostgreSQL.
Implement and maintain real-time features using WebSocket connections.
Ensure code quality through automated testing and participate in high-standard code reviews.
Deploy and maintain containerized applications using Docker.

Core Technical Stack (Required)

Backend (Primary Focus):

Node.js (v18+) with Express.js framework.
Databases: MongoDB (with Mongoose), PostgreSQL, Redis (for caching & session management).
RESTful API design, JWT, and session-based authentication.

Frontend:

React.js (v18+) with functional components and hooks.
TypeScript for type-safe development.
Tooling & Styling: Vite, TailwindCSS, Radix UI / Headless UI.
State & Data: Tanstack Query (React Query), modern React state patterns, React Router.

DevOps & Tools:

Docker & Docker Compose.
Git advanced workflows, ESLint, Prettier.
Environment configuration and secrets management.

The "Nice-to-Haves" (Bonus Points)

Hands-on experience with OpenAI API, Anthropic Claude, or similar LLM APIs.
Understanding of prompt engineering and AI model integration.
Experience with the LangChain framework.
RAG (Retrieval-Augmented Generation) implementation experience.

Why Partner With Us?

Work on a modern, open-source AI product.
Direct collaboration with product and design stakeholders in a fast-paced, innovative environment.
Long-term B2B collaboration with competitive market rates.

Solicitud rápida

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Quiero recibir la alerta de empleo más reciente de backend software developer en torrejón de ardoz, madrid provincia

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About the Project

The Setup & Work Arrangement

What You Will Do

Core Technical Stack (Required)

The "Nice-to-Haves" (Bonus Points)

Why Partner With Us?

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