Senior Machine Learning Engineer - Freelance - Shakers

Overview Senior Machine Learning Engineer - Freelance - Shakers

At Shakers, we connect senior digital talent with top freelance projects worldwide.

We’re currently looking for a Senior Machine Learning Engineer to join a multicultural tech team (100+ experts, 14 years of experience) working on cutting-edge AI solutions in healthcare and beyond.

What you’ll do Design, train, evaluate, and deploy ML models (Python, Scikit-learn, PyTorch).

Build and maintain scalable pipelines with Azure Data Factory (ADF) and Azure Data Lake.

Use Azure ML Studio for experimentation and deployment.

Perform feature engineering + apply validation metrics (accuracy, recall, F1-score, etc.).

Communicate technical outcomes clearly to technical & business stakeholders.

Collaborate on the design of cloud-based ML applications.

Work with Git, Bash, command line, and deploy serverless components via Azure Function Apps.

What we’re looking for 5+ years in Data Science / ML Engineering.

Strong experience with Azure ecosystem (ADF, ML Studio, Data Lake).

Deep Python knowledge (Pandas, NumPy, Scikit-learn, PyTorch).

Strong SQL + experience with Parquet and large datasets.

Excellent Spanish and English communication.

Nice-to-have : experience fine-tuning LLMs, knowledge of serverless architectures (Azure Functions).

Seniority level Mid-Senior level

Employment type Contract

Job function Engineering, Research, and Information Technology

Industries Technology, Information and Media, Health and Human Services, and Hospitals and Health Care

Madrid, Community of Madrid, Spain

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