Data Scientist

Rumos SA

Full-time Lisbon, Lisbon Mathematical Science Occupations

Posted:

June 13, 2026

Location:

Lisbon, Lisbon, Portugal

Job Description

Workplace: Lisbon (Hybrid)
Profile:
 A degree in Mathematics, Computer Science, Machine Learning or a related field;
 At least 3 years’ professional experience in data science environments, with experience in building and deploying models in production;
 Strong knowledge of Python (NumPy, pandas, scikit-learn, PyTorch or TensorFlow);
 Experience in data visualisation using Matplotlib, Seaborn, Plotly, Power BI or Tableau;
 Experience in SQL for data analysis and querying;
 Familiarity with cloud-based machine learning platforms (Azure ML, AWS SageMaker, GCP Vertex AI);
 Proven experience in developing and evaluating supervised and unsupervised machine learning models, including tuning and validation;
 Understanding of MLOps principles (model registry, versioning and deployment lifecycle);
 Experience with ML experimentation tools (MLflow, W&B, Databricks ML);
 Knowledge ...
                

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Job Overview

Job Type: Full-time

Location: Lisbon, Portugal

Posted: June 13, 2026

Deadline: July 23, 2026