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# Machine Learning Engineer - €40.000 A Year

- **Company:** Jobrapido, Deeprec.Ai
- **Location:** Madrid, Spain
- **Salary:** €40,000.0
- **Contract:** Temporary contract
- **Skills:** Artificial Intelligence, Big Data, Data Files, Distributed Systems, Python (Programming Language), Machine Learning, Working Model 2D, Large Language Models, Pandas, Information Technology, HuggingFace, Data Pipelines
- **Published:** October 19, 2026
- **Apply:** https://www.buscojobs.com.es/machine-learning-engineer-%E2%82%AC-40-000-a-year-en-madrid-ID-376585128

## About the Role

This is a chance to make real impact on next-generationlarge language model (LLM)solutions that are redefining how AI is built, optimized, and deployed.What You'll DoBuild, 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 BringMaster'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).

## Description

Machine Learning Engineer (Product) - Fixed-Term ContractLocation:Zaragoza (Hybrid)Contract:Fixed-term untilJune ****We're looking for aMachine Learning Engineerto join a leading European deep-tech company at the cutting edge ofAI innovation.This is a chance to make real impact on next-generationlarge language model (LLM)solutions that are redefining how AI is built, optimized, and deployed.What You'll DoBuild, 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 BringMaster'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 OfferCompetitive salary(from €40,000 per annum).Fixed-term contract until June ****with signing and completion bonuses.Hybrid working model- flexible hours with regular on-site collaboration.Opportunity to work oncutting-edge AI technologywithin a fast-scaling, international environment.This role offers a unique opportunity to work onimpactful AI engineering projectswhile enjoying flexibility, collaboration, and exposure to world-class research and development.