(Senior) Machine Learning Engineer

Senior Machine Learning Engineer (Product) – Fixed-Term Contract

Location :

Madrid or Barcelona (Hybrid)

Contract : Fixed-term until

June 2026

We’re looking for a

Senior Machine Learning Engineer

to join a leading European deep-tech company at the cutting edge of

AI innovation

• . 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.

Master’s or PhD in Computer Science, AI, Data Science, or related field — or equivalent experience.

~Strong Python skills and familiarity with libraries such as Hugging Face, Pandas, and NumPy.

~ Fixed-term contract until June 2026 with signing and completion bonuses.

Hybrid working model

– flexible hours with regular on-site collaboration.

This role offers a unique opportunity to work on

impactful AI engineering projects

while enjoying flexibility, collaboration, and exposure to world-class research and development.