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Senior Machine Learning Engineer

📍 Location
chazo
⏰ Job Type
Full-time
📅 Posted
May 31, 2026

About the Role

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 expert...

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