20 publicaciones de empleo destacadas en back end developer (¡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
11h
Software Developer
Centiro —Barcelona, Barcelona provincia
- Trabajo híbrido
- Informática
- Oficina
- JavaScript
- Plan de pensiones
Front-end Software Engineer
DXC Technology —Avilés, Asturias provincia
- Jornada completa
- Inglés
- AWS
- JavaScript
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
Software Development Manager
Proteams —Cee, A Coruña provincia
- Informática
- Inglés
- Java
(fluent Ukrainian) Full-Stack Web Engineer (Node/PHP + SvelteKit)
SupportYourApp —Alicante, Alicante provincia
- Horas extra
- Teletrabajo
- Inglés
- JavaScript
- Marketing
Solicitud rápida
11d
Full Stack Software Engineer - Digital Commerce
PepsiCo —Vitoria-Gasteiz, Álava provincia
- Trabajo híbrido
- Azure
- AWS
- APIs
4d
Senior Software Engineer | Remote | AI SaaS Software Role
Process Street —Madrid, Madrid provincia
- Jornada completa
- Teletrabajo
- Investigación
- Java
- AWS
- Seguro oftalmológico
Solicitud rápida
12d
Solutions Analyst
adm-Indicia —En remoto
- Jornada completa
- Teletrabajo
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Solicitud rápida
Full-Stack Web Software Developer
The Reuse Company —Madrid, Madrid provincia
- Jornada completa
- Microsoft Access
- Informática
- DevOps
Sr Android Developer
Solera —Sevilla, Sevilla provincia
- Jornada completa
- Java
- Habilidades de análisis
- APIs
Desarrollador Full Stack, hibrido
Blister Aplications —Barcelona, Barcelona provincia
- Español
- Inglés
- Java
Senior Full-Stack Web Developer
LTM —Barcelona, Barcelona provincia
- Español
- Azure
- DevOps
Solicitud rápida
DELPHI DEVELOPER
Alvic Group —Centelles, Barcelona provincia
- Trabajo híbrido
- Sistemas ERP
- Bases de datos
- Desarrollo de software
- Ayuda al desarrollo profesional
- Oportunidades de crecimiento y desarrollo profesional
Solicitud rápida
Microsoft Dynamics 365 Business Central Developer
Trinetix —Madrid, Madrid provincia
- Jornada completa
- Teletrabajo
- Microsoft Word
- Español
- Azure
Solicitud rápida
4d
Java Software Engineer
SIX Group AG —Barcelona, Barcelona provincia
- Teletrabajo
- Azure
- Java
- AWS
Backend Engineer
WhereTo —Barcelona, Barcelona provincia
- Jornada completa
- Java
- AWS
- C++
Software Engineer in Test III
Emburse —Barcelona, Barcelona provincia
- Jornada completa
- Informática
- DevOps
- Sistemas ERP
Adobe Developer
Wunderman Thompson MAP —Madrid, Madrid provincia
- Inglés
- Oficina
- Java
Fullstack Java Developer - certificado de discapacidad del 33%
IThinkUPC —Barcelona, Barcelona provincia
- Incorporación inmediata
- Trabajo híbrido
- Mantenimiento
- Inglés
- Java
- Formación continua
- Seguro médico privado

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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 11 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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