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European Tech Recruit Linkedin · Posted 1mo ago

Senior Machine Learning Engineer

Barcelona, Barcelona, Spain

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Mid/Senior LLM Engineer - Barcelona/Madrid/Zaragoza/San Sebastian


Our client is Europe’s largest software companys With over 200+ team members worldwide, they deliver hyper-efficient AI that powers industries from finance to energy to manufacturing.


They're looking for a Mid/Senior LLM Engineer to join our growing AI team. You’ll work alongside world-leading experts on groundbreaking projects.


What You’ll Do

  • Design and develop new methods for compressing and optimizing LLMs
  • Fine-tune and benchmark models for accuracy, robustness, and efficiency
  • Work with cross-functional teams to integrate LLMs into real-world products
  • Guide and mentor junior engineers in LLM development
  • Stay at the cutting edge of research in AI, LLMs, and quantum-inspired computing


What We’re Looking For

  • MSc/PhD in AI, Computer Science, Data Science, or related field
  • 2+ years (Mid) or 5+ years (Senior) hands-on experience training or fine-tuning Transformer/LLM models
  • Strong expertise in PyTorch, HuggingFace, and GPU computing
  • Experience with cloud (AWS/GCP/Azure) and containerization (Docker)
  • Excellent problem-solving, documentation, and communication skills
  • Fluent in English
  • Bonus: Experience with model compression, RAG systems, HPC, TensorRT, vLLM, or DevOps/MLOps.


Apply now or reach out directly: [email protected]

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