AI Engineer (Contractor)
We are looking for an AI Engineer (Contractor) to design, build, and deploy machine learning and AI solutions, including modern LLM-based applications. You will work closely with product and engineering teams to take models from experimentation to production.
Key Responsibilities
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Develop and optimize ML and deep learning models
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Build LLM-powered solutions (RAG, embeddings, prompt engineering)
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Deploy and maintain models in production
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Integrate AI models via APIs and backend services
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Monitor model performance and reliability
Required Skills
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Python, SQL
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Machine Learning: scikit-learn, PyTorch or TensorFlow
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LLMs & GenAI: OpenAI / Anthropic, Hugging Face, LangChain or LlamaIndex
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Vector Databases: Pinecone, FAISS, Weaviate, Chroma
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Deployment: FastAPI, Docker
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MLOps: MLflow or Weights & Biases
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Cloud: AWS, GCP, or Azure
Sobre la posición
Tipo de contrato: Perm
Especialización: IT & Telecomunicaciones
Área: Data & Analytics
Sector: Tecnología de la información
Banda salarial: Negotiable
Tipo de trabajo: Remoto
Nivel de experiencia: Mando intermedio
Ubicación: Barcelona
FULL_TIMEReferencia: M6U0ZH-AF83673C
Fecha de publicación: 22 de diciembre de 2025
Consultor/a: Jamila El Katy
barcelona information-technology/data-and-analytics 2025-12-22 2026-02-20 it Barcelona Barcelona Barcelona ES ES Robert Walters https://www.robertwalters.es https://www.robertwalters.es/content/dam/robert-walters/global/images/logos/web-logos/square-logo.png true