Machine Learning Engineer

Machine Learning Engineer (Product) – Fixed-Term Contract

Location: Zaragoza (Hybrid)

Contract: Fixed-term until June 2026

We’re looking for a Machine Learning Engineer to join a leading European deep-tech company at the cutting edge of AI innovation . This is a chance to make real impact on next-generation large language model (LLM) solutions that are redefining how AI is built, optimized, and deployed.

What You’ll Do

• Build, optimize, and scale data pipelines for LLM training and fine-tuning.
• Develop techniques for data sourcing, cleaning, validation, and enhancement.
• Work cross-functionally with ML engineers and researchers to deliver production-ready, high-performance models.
• Implement and test advanced compression and optimization methods for AI models.
• Stay ahead of trends in LLM architectures, evaluation, and datase...