Senior Machine Learning Engineer - Freelance - Shakers

Shakers; España; Presencial; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A leading tech company is seeking a Senior Machine Learning Engineer for freelance work in Madrid, Spain. You will design and deploy machine learning models, work with the Azure ecosystem, and collaborate with a multicultural team on innovative healthcare solutions. Strong experience in Python and Azure is required, along with excellent communication skills in Spanish and English. This contract position offers the chance to work on cutting-edge AI technologies.

Formación

• 5+ years in Data Science / ML Engineering.
• Strong experience with Azure ecosystem.
• Deep knowledge of Python and its libraries.

Responsabilidades

• Design, train, evaluate, and deploy ML models.
• Build and maintain scalable pipelines with Azure Data Factory.
• Communicate technical outcomes clearly to stakeholders.

Conocimientos

Azure ecosystem (ADF, ML Studio, Data Lake)

Python (Pandas, NumPy, Scikit-learn, PyTorch)

SQL

Feature engineering

Serverless architectures (Azure Functions)

Communication (Spanish and English)

Descripción del empleo

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