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Job Title: Data Scientist
Location: Lisbon, Portugal
Work Regime: Full-time & Hybrid (2x office days)
Overview / Summary:
We are looking for a Data Engineer to join our team and support the design, development, and optimization of scalable data solutions in a cloud-based environment. You will work with AWS, Python, and SQL to build reliable data pipelines, enable analytics initiatives, and contribute to a collaborative hybrid work setting.
Responsibilities and Tasks:
Mandatory Requirements:
Important:
Location: Lisbon, Portugal
Work Regime: Full-time & Hybrid (2x office days)
Overview / Summary:
We are looking for a Data Engineer to join our team and support the design, development, and optimization of scalable data solutions in a cloud-based environment. You will work with AWS, Python, and SQL to build reliable data pipelines, enable analytics initiatives, and contribute to a collaborative hybrid work setting.
Responsibilities and Tasks:
- Lead and design and develop Generative AI solutions, including transformer models, embeddings, and LLM-based pipelines.
- Build and optimize traditional ML models for multiple use cases, ensuring strong data preparation and feature engineering.
- Automate, version, deploy, and monitor data science pipelines using MLOps best practices.
- Communicate analytical results clearly and stay current with trends in AI, ML, and cloud technologies.
- Lead a growing team and support pre-sales activities, including proposal development.
Mandatory Requirements:
- +4 years of previous experience as a Data Scientist, mainly leading roles.
- Experience with GenAI development projects (transformers, embeddings, prompt engineering).
- Experience with Advanced Data Science libraries and Python (NumPy, Pandas, visualize with Matplotlib and Seaborn, build models with Scikit-learn)
- Experience with PySpark and MLOps (model versioning, experiment tracking (e.g., MLflow), deployment, and monitoring).
- Experience with Azure, AWS and GCP.
- Experience with open-source LLMs.
- LangChain, LangSmith ou LlamaIndex.
- Cloud Certifications: Microsoft Azure AI Engineer Associate, Google Cloud Professional Data Engineer, AWS Certified Machine Learning – Specialty).
Important:
- Our company does not sponsor work visas or work permits. All applicants must have the legal right to work in the country where the position is based.
- Only candidates who meet the required qualifications and match the profile requested by our clients will be contacted.
Key Skills
Ranked by relevance
cloud
aws
ai
python
mlops
machine learning
matplotlib
seaborn
pandas
mlflow
numpy
sql
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- Posted
- Dec 01, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Lisbon
- Company
- LUZA Group
Industries
IT Services
IT Consulting
Categories
Other
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3 roles aligned with this opportunity
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2026-05-28
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Information Technology
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Related
DATA SCIENTIST
2026-05-19
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Staff Data Scientist
2026-05-18
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Engineering