Machine Learning Specialist

We're Hiring : Machine Learning Engineer (MLE)

We are looking for a Senior Data Scientist / Machine Leanring Engineer to join our team. You will work on a IT sector, developing models and conducting data analysis. Your role will be crucial in all phases of the predictive model lifecycle, from data collection and cleaning to deployment in production.

Location : Hybrid in Barcelona

Experience : 3–4 years in Machine Learning or Data Science

Language : English fluency required (team communication is in English)

Key Responsibilities

Develop and implement ML models, particularly in the NLP or GenAI space

Write clean, modular, and efficient Python code following best practices

Collaborate with MLEs / Data Scientists and cross-functional teams to move models into production

Support data processing and feature engineering efforts

Develop machine learning models and data processing pipelines.

Analyze, clean, and handle complex data.

Evaluate the performance of existing models and solutions.

Develop and deploy models in the cloud.

Mentor the team.

Create new solutions and approaches.

Engage in critical thinking and deep analysis of challenges.

Tech Stack

Python (advanced, structured coding) and SQL.

Databricks , pandas , scikit-learn , PyTorch , or similar libraries

Experience with NLP and / or Generative AI (LLMs) is highly valued

Predictive models.

Cloud platforms (Azure, AWS).

Document models and data analysis.

Experience working with Scrum / Agile methodologies.

What’s in it for you?

€1200 individual training budget for languages, certifications, books, and more

Flexible hours and hybrid work model in beautiful Barcelona

Flexible benefits package & discounts at gyms through Wellhub

Private health insurance — fully paid by us!

Monthly feedback & growth sessions with your Team Lead

Bi-monthly team buildings — yes, including pool parties & epic Christmas dinners!

Access to Club Capitole : exclusive discounts on global brands

Join our internal Tech Communities and exchange knowledge with brilliant minds

Information Security Policy :

Access to confidential information related to Capitole and the project you're working on.

Compliance with security policies and internal policies of the company and the client.

Must sign an NDA.