16 publicaciones de empleo destacadas de javascript developer en catalunya (¡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
QA Automation Engineer - Healthcare
ERNI Spain —Barcelona, Barcelona provincia
- Trabajo híbrido
- Español
- Inglés
- Oficina
- Abono gimnasio
8h
Senior Data Engineer
VML MAP —Barcelona, Barcelona provincia
- Azure
- Oficina
- SQL
AEM Solutions Architect
Cognizant Netcentric —Barcelona, Barcelona provincia
- Jornada completa
- Español
- DevOps
- Inglés
- Abono gimnasio
Solicitud rápida
QA Engineer (Pharmaceutical Sector)
Omega CRM —Sant Cugat del Vallès, Barcelona provincia
- Trabajo híbrido
- Salesforce
- Inglés
- AWS
Solicitud rápida
6d
Software Engineer Golang (m/f/d)
Schwarz Corporate Solutions —Barcelona, Barcelona provincia
- Jornada completa
- Azure
- Informática
- DevOps
6d
Senior QA Automation
Titan OS —Barcelona, Barcelona provincia
- Trabajo híbrido
- Inglés
- Oficina
- AWS
Solicitud rápida
Senior Software Engineer (Ruby/RoR, Chatbots & AI)
Workato —Barcelona, Barcelona provincia
- Teletrabajo
- Informática
- Inglés
- Máster
Solicitud rápida
11d
Senior Lead Software Engineer
Clarivate —Barcelona, Barcelona provincia
- Jornada completa
- Español
- Doctorado
- Informática
7d
SW engineer for PSP solutions
HP —Sant Cugat del Vallès, Barcelona provincia
- Jornada completa
- Azure
- Informática
- DevOps
6d
Salesforce Marketing Cloud Solutions Architect
Wunderman Thompson MAP —Barcelona, Barcelona provincia
- Ventas
- Oficina
- SQL
Manager - Salesforce Marketing Cloud Development
VML MAP —Barcelona, Barcelona provincia
- Inglés
- Oficina
- SQL
CRM Application Manager - Salesforce Marketing Cloud
Wunderman Thompson MAP —Barcelona, Barcelona provincia
- Oficina
- JavaScript
- Liderazgo
Salesforce Marketing Cloud Platform Manager (Pharmaceutical Sector)
Omega CRM —Sant Cugat del Vallès, Barcelona provincia
- Trabajo híbrido
- CRM software
- Salesforce
- Inglés
Solicitud rápida
5d
Senior Data Engineer
Wunderman Thompson MAP —Barcelona, Barcelona provincia
- Azure
- Oficina
- SQL
Senior Application Consultant - Salesforce Marketing Cloud
VML MAP —Barcelona, Barcelona provincia
- Oficina
- JavaScript
- Marketing
Solicitud rápida
8d

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QA Automation Engineer - Healthcare
ERNI Spain —Barcelona, Barcelona provincia
Besides your team and manager, you will have several support figures like a godparent, who will help you with the practical and administrative aspects of daily…
8h
QA Engineer - Manual Testing - Product Care
ERNI Spain —Barcelona, Barcelona provincia
Besides your team and manager, you will have several support figures like a godparent, who will help you with the practical and administrative aspects of daily…
8h

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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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javascript developer empleos en catalunya

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

QA Automation Engineer - Healthcare

Senior Data Engineer

AEM Solutions Architect

QA Engineer (Pharmaceutical Sector)

Software Engineer Golang (m/f/d)

Senior QA Automation

Senior Software Engineer (Ruby/RoR, Chatbots & AI)

Senior Lead Software Engineer

SW engineer for PSP solutions

Salesforce Marketing Cloud Solutions Architect

Manager - Salesforce Marketing Cloud Development

CRM Application Manager - Salesforce Marketing Cloud

Salesforce Marketing Cloud Platform Manager (Pharmaceutical Sector)

Senior Data Engineer

Senior Application Consultant - Salesforce Marketing Cloud

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