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
4h
Senior Full Stack Developer, hibrido
Oxon Epidemiology —Madrid, Madrid provincia
- Teletrabajo
- Azure
- Informática
- Mantenimiento
- Flexibilidad horaria
Web Development Quality Assurance (QA) Specialist
Growmodo GmbH —Madrid, Madrid provincia
- Jornada completa
- Teletrabajo
- Microsoft Excel
- Project management
- JavaScript
Solicitud rápida
Desarrollador Full Stack, hibrido
Blister Aplications —Barcelona, Barcelona provincia
- Español
- Inglés
- Java
Staff Engineer
Nory —Barcelona, Barcelona provincia
- Jornada completa
- Teletrabajo
- Oficina
- AWS
- APIs
- Teletrabajo opcional
6d
Full-Stack Web Software Developer
The Reuse Company —Madrid, Madrid provincia
- Jornada completa
- Microsoft Access
- Informática
- DevOps
Microsoft Dynamics 365 Business Central Developer
Trinetix —Madrid, Madrid provincia
- Jornada completa
- Teletrabajo
- Microsoft Word
- Español
- Azure
Solicitud rápida
4d
Cloud and Devops Developer (m/f)
Airbus Defence and Space SAU —Getafe, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Azure
- Informática
- Servicio al cliente
Senior Backend Developer - (Typescript)
osapiens —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Español
- Inglés
- Oficina
Solicitud rápida
Web developer / SCRUM Master
Persei vivarium —Madrid, Madrid provincia
- Jornada completa
- Inglés
- Bases de datos
- JavaScript
Solicitud rápida
Senior Software Engineer, Threat Intelligence
Google —Málaga, Málaga provincia
- Jornada completa
- Java
- C++
- Grado
15h
Senior Full-Stack Web Developer
LTM —Barcelona, Barcelona provincia
- Español
- Azure
- DevOps
Solicitud rápida
.NET/Python Software Developer | Energy Sector
Etinars —Valencia, Valencia provincia
- Trabajo híbrido
- Azure
- Inglés
- Máster
Solicitud rápida
Java Software Engineer
SIX Group AG —Barcelona, Barcelona provincia
- Teletrabajo
- Azure
- Java
- AWS
Technical Architect - Life Sciences & Health Cloud
Salesforce —Madrid, Madrid provincia
- Jornada completa
- CRM software
- Español
- Azure
DevOps Engineer
Shakers —Valencia, Valencia provincia
- Trabajo híbrido
- Español
- Informática
- DevOps
11d
Quality Assurance Engineer
NN Group —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Inglés
- SQL
- JavaScript
- Parking gratuito
- Seguro de vida
Fullstack Java Developer - certificat de discapacitat del 33%
IThinkUPC —Barcelona, Barcelona provincia
- Incorporación inmediata
- Trabajo híbrido
- Inglés
- Java
- Máster
Senior Angular Engineer
ANYbotics —Barcelona, Barcelona provincia
- Informática
- Inglés
- JavaScript
Solutions Analyst
adm-Indicia —En remoto
- Jornada completa
- Teletrabajo
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Solicitud rápida

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

Solicitar ahora

Detalles del empleo

Jornada completa | Autónomo
Hace 4 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

Web Development Quality Assurance (QA) Specialist

Desarrollador Full Stack, hibrido

Staff Engineer

Full-Stack Web Software Developer

Microsoft Dynamics 365 Business Central Developer

Cloud and Devops Developer (m/f)

Senior Backend Developer - (Typescript)

Web developer / SCRUM Master

Senior Software Engineer, Threat Intelligence

Senior Full-Stack Web Developer

.NET/Python Software Developer | Energy Sector

Java Software Engineer

Technical Architect - Life Sciences & Health Cloud

DevOps Engineer

Quality Assurance Engineer

Fullstack Java Developer - certificat de discapacitat del 33%

Senior Angular Engineer

Solutions Analyst

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

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