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Jobs in Barcelona, Spain

AI/LLM Engineer

Docplanner

Barcelona
Remote
EUR 50,000 - 70,000
Yesterday
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Frontend Developer | Remoto | Barcelona

Page Personnel

Barcelona
Remote
EUR 35,000 - 40,000
Yesterday
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Fullstack Developer (Angular / Node)

Robert Walters Spain

Barcelona
Remote
EUR 30,000 - 50,000
5 days ago
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Field Service Engineer (Cataluña)

Boston Scientific

Barcelona
Remote
EUR 50,000 - 70,000
5 days ago
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Field Service Engineer (Cataluña)

Boston Scientific Gruppe

Barcelona
Remote
EUR 30,000 - 45,000
6 days ago
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Sales Director - UK

Aurora Live

Barcelona
Remote
EUR 70,000 - 90,000
Today
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Consultor SAP TRM Senior — Teletrabajo y Desarrollo

Jordan martorell s.l.

Barcelona
Remote
EUR 38,000 - 45,000
Today
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Consultor/a Senior SAP TRM, Barcelona

Jordan martorell s.l.

Barcelona
Remote
EUR 38,000 - 45,000
Today
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Senior Spanish Localization & AI Data Evaluator (Spain)

SME Careers

Barcelona
Remote
EUR 30,000 - 50,000
Yesterday
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Líder de Producto Textil - Muebles (Remoto)

Conforama España

Barcelona
Remote
EUR 30,000 - 45,000
Yesterday
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Remote Dynamics 365 Solution Architect - CRM & Cloud

Nedena

Barcelona
Remote
EUR 45,000 - 65,000
Yesterday
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Solution Architect Dynamics 365 – German speaker

Nedena

Barcelona
Remote
EUR 45,000 - 65,000
Yesterday
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Senior Fullstack Engineer - AI Infra, Remote

tether

Barcelona
Remote
EUR 65,000 - 85,000
Yesterday
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Senior Frontend Engineer - Remote GIS & Urban Tech

Page Personnel

Barcelona
Remote
EUR 35,000 - 40,000
Yesterday
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Remote AML/KYC Analyst - Blockchain & Compliance

tether

Barcelona
Remote
EUR 30,000 - 50,000
Yesterday
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Lead Product Engineer — On-Device AI for Fintech

tether

Barcelona
Remote
EUR 70,000 - 100,000
Yesterday
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Remote Hands-On CTO: Tech & Product Leader for Impact

Shakers

Barcelona
Remote
EUR 90,000 - 120,000
Yesterday
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Head of Technology & Innovation

Shakers

Barcelona
Remote
EUR 90,000 - 120,000
Yesterday
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Senior Frontend Engineer — Angular UI & Performance Lead

Jordan martorell s.l.

Barcelona
Remote
EUR 60,000 - 80,000
Yesterday
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Senior Software Engineer (Angular), Barcelona

Jordan martorell s.l.

Barcelona
Remote
EUR 60,000 - 80,000
Yesterday
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Técnico Comercial Packaging Cataluña

Robert Walters Spain

Barcelona
Remote
EUR 30,000 - 50,000
Yesterday
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Senior Python Django Engineer - Remote Scalable Backends

Fliff

Barcelona
Remote
EUR 70,000 - 90,000
Yesterday
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Technical Manager Java & APIs – Remote Banking Modernization

Krell-consulting

Barcelona
Remote
EUR 50,000 - 55,000
Yesterday
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Technical Manager Java APIS Banca, teletrabajo.

Krell-consulting

Barcelona
Remote
EUR 50,000 - 55,000
Yesterday
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Principal Software Engineer - Lead AI-Driven Design Tools

PowerToFly

Barcelona
Remote
EUR 50,000 - 70,000
Yesterday
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AI & LLM Engineer
Docplanner
Remote
EUR 50,000 - 70,000
Full time
Yesterday
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Job summary

A leading healthcare technology firm is looking for an innovative AI/LLM Engineer to advance their conversational AI capabilities. This role involves prompt engineering, multi-agent orchestration, and deploying production-ready LLM systems. You'll collaborate closely with Backend Engineers to enhance AI experiences and engage in cutting-edge research. The position supports a remote-first culture, allowing flexibility to thrive in your work environment. Comprehensive benefits are provided, ensuring work-life balance and long-term growth.

Benefits

100% remote work
Extra day off for your birthday
Access to mental wellbeing platform (iFeel)
Comprehensive private health insurance
Flexible compensation platform (Flexoh)
Gym and wellness network membership (Wellhub)

Qualifications

  • 2+ years hands-on experience with LLMs.
  • Strong knowledge in prompt engineering and optimization strategies.
  • Experience in evaluating LLM frameworks and creating test datasets.

Responsibilities

  • Design, optimize, and version prompts for LLM applications.
  • Collaborate with Backend Engineers to deploy LLM systems.
  • Research and prototype multi-agent frameworks.

Skills

LLM Optimization
Prompt Engineering
Python Programming
Multi-Agent Architecture
Automated Testing
Transformer Architectures
Cross-Functional Collaboration

Tools

LangChain
LlamaIndex
Twilio
ElevenLabs
Job description
Company Description

We transform healthcare experiences through intelligent digital solutions.

Tuotempo is the trusted patient engagement platform powering some of Europe and Latin America's leading healthcare institutions. Our innovative CRM system liberates medical professionals from administrative burdens so they can focus on their true passion: delivering exceptional patient care.

Our cloud-based platform seamlessly orchestrates the entire patient journey—from initial appointment booking through omnichannel appointment management and extending to comprehensive follow-up care. The result? Streamlined operations for providers and a frictionless experience for patients.

Discover how we're reshaping healthcare delivery at tuotempo.com.

Embrace flexibility with our remote-first culture: Work entirely remotely from Italy or Spain, or collaborate in‑person at our vibrant hubs in Bologna or Barcelona—we believe in empowering you to work where you thrive!

Job Description

We are looking for an innovative AI/LLM Engineer to drive the advancement of our conversational AI capabilities. You'll join our Tech & Product team as an AI/LLM Engineer, focusing on prompt engineering, multi‑agent orchestration, automated testing, and deploying integrations in production with LLM systems. You'll work closely with Backend Engineers to deliver world‑class AI experiences to end users.

What will you do?
Core Development
  • Design, optimize, and version prompts for production voice and chat LLM applications
  • Architect and orchestrate multi‑agent systems for complex conversations
  • Build automated testing and validation frameworks for LLM outputs
  • Implement prompt versioning, storage, and retrieval systems
System Integration & Deployment
  • Collaborate with Backend Engineers to deploy and scale LLM‑based systems
  • Integrate LLMs with communication APIs (Twilio, WhatsApp, ElevenLabs)
  • Implement RAG (Retrieval‑Augmented Generation) solutions and vector search for multilingual environments
  • Monitor performance metrics and conversation quality
Research & Innovation
  • Research and prototype multi‑agent frameworks (open‑source and commercial)
  • Experiment with cutting‑edge conversational AI and real‑time speech processing techniques
  • Contribute to evolving the team's LLMOps best practices
  • Continuously improve conversational quality, RAG pipelines, and reduce latency
Qualifications
Must have
  • 2+ years hands‑on experience with LLMs (OpenAI or similar, open‑source models)
  • Strong knowledge in prompt engineering and LLM optimization strategies
  • Experience in evaluating LLMs, designing and running evaluation frameworks, creating test datasets, and defining success metrics
  • Familiarity with automated testing pipelines, building CI/CD‑integrated eval systems that run on every prompt change
  • Experience in multi‑agent architecture, from design to development of orchestration of complex LLM systems
  • Good understanding of transformer architectures and proficiency in LLM frameworks such as LangChain, LlamaIndex, or similar frameworks
  • Proficiency in Python
  • Experience with RAG pipelines and vector databases
  • Experience in cross‑functional teams, ability to work in fast‑moving environments where you own outcomes, not just tasks. You're comfortable with ambiguity and excited by the challenge of figuring things out.
Nice to have
  • Experience in healthcare industries
  • LLM integration with voice platforms (Twilio, ElevenLabs)
  • Background in conversational AI, chatbots, voice assistants
  • Knowledge of real‑time speech processing and multi‑modal systems
  • Functional programming principles and advanced NLP
  • Exposure to OOP stacks (.NET, PHP)
  • Understanding of security and privacy in conversational AI
Additional Information
✨ What we offer:

We value a healthy work‑life balance and long‑term growth. Benefits vary by location, but here’s what you can expect:

Shared benefits
  • 100% remote work, with the option to join our offices in Bologna or Barcelona
  • One extra day off for your birthday
  • Access to iFeel – our mental wellbeing platform
Italy-specific
  • €8/day meal vouchers – lunch is covered if you're in the Bologna office
  • Private health coverage via Metasalute
Spain-specific
  • Comprehensive private health insurance with Adeslas
  • Flexoh – flexible compensation platform
  • Wellhub – gym & wellness network membership
  • Language courses
How does the recruitment process work?
  • HR interview – a friendly chat to get to know you, your motivations, and tell you more about Tuotempo, our culture, and the team.
  • Technical interview – a deep‑dive with our Tech Managers, including practical discussions or small exercises focused on LLMs, multi‑agent systems, prompt design, and evaluation workflows.
  • Functional interview —a conversation with our Product Managers to understand how you collaborate cross‑functionally and to align on the AI product domain.
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* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.

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