Senior AI Data Scientist

Location: Lisbon, Portugal. Hybrid: 2 to 3 days per week at the office.

Company

hirify.global provides data science and AI consulting services for client projects.

What you will do

• Collaborate on AI and data science projects for clients.
• Work across the full data science and machine learning lifecycle, from data understanding and preparation through modelling, evaluation, and deployment.
• Develop solutions involving NLP, LLMs, RAG, prompt engineering, and generative AI.
• Prepare and transform data using tools such as SQL and pandas.

Requirements

• Senior level with at least 5 years of direct professional experience in Data Science or ML projects.
• Professional experience delivering end-to-end data science and machine learning initiatives, including data understanding, preparation, modelling, evaluation, and deployment.
• Solid command of data science concepts and principles, especially exploratory data analysis, modelling, and evaluation.
• Professional experience with Python and industry-standard Python data science and ML frameworks, such as scikit-learn, PyTorch, Keras, OpenCV, and pandas.
• Professional experience in data preparation and transformation, including SQL and pandas.
• Experience with LLMs, RAG, prompt engineering, and generative AI, such as OpenAI or Bedrock.
• Professional experience with cloud infrastructure.

Nice to have

• AWS experience.
• Professional experience with MLOps solutions such as MLflow or Databricks.
• Professional experience with software engineering best practices and tools, including Git, CI/CD, and unit testing.

Culture & Benefits

• Hybrid work arrangement requiring attendance at the office 2 to 3 days per week.
• Opportunity to work on varied AI and data science projects for clients.