20 publicaciones de empleo destacadas de back end developer en spain (¡Están contratando!)

Senior Full Stack Developer – GenAI Platform (Back-end focus) - Freelance
Collective.work —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Español
- Azure
- Servicio al cliente
10h
Senior Full Stack Developer, hibrido
Oxon Epidemiology —Madrid, Madrid provincia
- Teletrabajo
- Azure
- Informática
- Mantenimiento
- Flexibilidad horaria
Desarrollador Full Stack, hibrido
Blister Aplications —Barcelona, Barcelona provincia
- Español
- Inglés
- Java
Senior Software Engineer, Threat Intelligence
Google —Málaga, Málaga provincia
- Jornada completa
- Java
- C++
- Grado
22h
Senior .NET Engineer
Ciklum —En remoto
- Teletrabajo
- Microsoft Excel
- Informática
- SQL
Staff/Lead Python Engineer (ML Platform/Ops)
Mimica —Barcelona, Barcelona provincia
- Jornada completa
- Teletrabajo
- Inglés
- Máster
- Desarrollo de software
- Vacaciones pagadas
- Teletrabajo opcional
CRM Consultant_Dynamics 365
Avanade —Madrid, Madrid provincia
- CRM software
- Informática
- Servicio al cliente
Technical Architect - Life Sciences & Health Cloud
Salesforce —Madrid, Madrid provincia
- Jornada completa
- CRM software
- Español
- Azure
Data Platform Engineer (f/m/d)
Axpo Group —Madrid, Madrid provincia
- Media jornada
- Trabajo híbrido
- Español
- Azure
- DevOps
11d
Cloud and Devops Developer (m/f)
Airbus Defence and Space SAU —Getafe, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Azure
- Informática
- Servicio al cliente
Desarrollador senior Backend (.NET)
COGNODATA —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Bases de datos
- Grado
- APIs
- Flexibilidad horaria
Solicitud rápida
14h
Senior Angular Engineer
ANYbotics —Barcelona, Barcelona provincia
- Informática
- Inglés
- JavaScript
Market Data Specialist – Financial Markets
ING Hubs —Madrid, Madrid provincia
- Inglés
- Oficina
- Máster
- Seguro de vida
- Plan de pensiones
Research Engineer - Tools developer for LSQUANT platform (Theoretical and Computational Nanoscience)
ICN2 —Barcelona, Barcelona provincia
- Jornada completa
- Azure
- AWS
- Grado
- Seguro de vida
Senior Design System Engineer
Bsport —Barcelona, Barcelona provincia
- Horas extra
- Trabajo híbrido
- Teletrabajo opcional
Data Platform Engineer (f/m/d)
Axpo —Madrid, Madrid provincia
- Media jornada
- Español
- Azure
- DevOps
11d
Marketing Operations Manager
NineTwoThree AI Studio —Valencia, Valencia provincia
- Horas extra
- Teletrabajo
- Marketing
- Máster
- Grado
Solicitud rápida
DevOps Engineer
Shakers —Valencia, Valencia provincia
- Trabajo híbrido
- Español
- Informática
- DevOps
12d
Senior Embedded Software Engineer
TKH Security —Málaga, Málaga provincia
- Jornada completa
- Español
- Informática
- Inglés
- Parking gratuito
Solicitud rápida
Senior Web Product Designer
Trinetix —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Español
- Sistemas ERP
- Inglés
Solicitud rápida
4d

Quiero recibir la alerta de empleo más reciente de back end developer en spain

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Senior Full Stack Developer – GenAI Platform (Back-end focus) - Freelance

Collective.work
Barcelona, Barcelona provincia

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Detalles del empleo

Jornada completa | Autónomo
Hace 10 horas

Cualificaciones

Francés
CI/CD
Español
Azure
Node.js
React
Servicio al cliente
DevOps
Inglés
AWS
JavaScript
Terraform
Desarrollo de Back-End
Scripting
APIs
Cloud
Inteligencia artificial

Descripción completa del empleo

Job description

Daily rate: 300€/day

Project context

Project Details

Location: Barcelona
Work mode: Hybrid (1-2 days onsite)
Start date: ASAP
Duration: Until end of 2026
Language(s): English (Mandatory); Spanish or French (Plus)

Project Summary

We are looking for a Senior Full Stack Developer to join our AI products team and contribute to the development of a Multi-cloud GenAI platform (Azure / AWS / Google), with a primary focus on the Secure GPT service. The role is approximately 90% back-end and 10% front-end. The objective is to evolve platform capabilities and ensure secure, scalable, high-quality implementations aligned with business, technical, security, and regulatory requirements.

Goals and deliverables

Main Responsibilities & Key Activities

Design, develop, and enhance features for the Secure GPT service: document understanding, translation, agentic capabilities, web usage, APIs, and automation
Execute end-to-end development activities: study, analysis, technical design, implementation, documentation, testing, and monitoring
Define and track KPIs to monitor usage and support data-informed decisions
Collaborate within an international team and maintain regular communication with the Tech Lead and Product Owner
Implement solutions compliant with security, regulatory, and internal standards
Identify and contribute to improvements in processes, automation, and customer service delivery

Requirements

Experience Required

Mandatory Experience

Minimum 5 years of experience in web application development, ideally within Azure environments
Back-end development with Node.js (JavaScript / TypeScript)
Front-end development with Next.js / React
Full ownership of the testing lifecycle: unit tests and end-to-end (E2E) tests
API design, implementation, and operation
Azure services: App Services, Cosmos DB, Application Insights, monitoring
DevOps practices: Azure DevOps, CI/CD pipelines
Fundamentals of Infrastructure as Code (IaC) and automation scripting
Prompt engineering: drafting, testing, and iteratively improving prompts
Experience with AI APIs and/or frameworks: OpenAI, Anthropic, Gemini, Azure AI; RAG and agentic/agent-based capabilities

Preferred Experience

Terraform and/or Bicep for infrastructure deployment
Observability and monitoring tooling
Background in regulated industries
Azure and API certifications
Knowledge of data security and compliance
Availability for occasional travel to France, Spain, or Portugal

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back end developer empleos en spain

Senior Full Stack Developer – GenAI Platform (Back-end focus) - Freelance

Senior Full Stack Developer, hibrido

Desarrollador Full Stack, hibrido

Senior Software Engineer, Threat Intelligence

Senior .NET Engineer

Staff/Lead Python Engineer (ML Platform/Ops)

CRM Consultant_Dynamics 365

Technical Architect - Life Sciences & Health Cloud

Data Platform Engineer (f/m/d)

Cloud and Devops Developer (m/f)

Desarrollador senior Backend (.NET)

Senior Angular Engineer

Market Data Specialist – Financial Markets

Research Engineer - Tools developer for LSQUANT platform (Theoretical and Computational Nanoscience)

Senior Design System Engineer

Data Platform Engineer (f/m/d)

Marketing Operations Manager

DevOps Engineer

Senior Embedded Software Engineer

Senior Web Product Designer

Quiero recibir la alerta de empleo más reciente de back end developer en spain

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