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.
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