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 dataset curation.
What You’ll Bring
- Master’s or PhD in Computer Science, AI, Data Science, or related field — or equivalent experience.
- 4+ years of hands-on experience in ML or NLP (especially with LLMs).
- Strong Python skills and familiarity with libraries such as Hugging Face, Pandas, and NumPy.
- Experience managing large-scale datasets and distributed computing environments.
- Collaborative mindset and solid understanding of modern ML development practices.
What’s on Offer
- Competitive salary (from €40,000 per annum).
- Fixed-term contract until June 2026 with signing and completion bonuses.
- Hybrid working model – versátil hours with regular on-site collaboration.
- Opportunity to work on cutting-edge AI technology within a fast-scaling, international environment.
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.