Senior Data Scientist — Generative AI & NLP Architect

Decskill; Lisboa; On-site; EUR 70,000 - 110,000; Full time

Job summary

Decskill is expanding its AI capabilities and seeks a Senior Data Scientist to lead Generative AI & NLP initiatives. You will design end-to-end data science solutions, build ML models, and deploy them in cloud environments.

You will work with Python, OpenAI, AWS Bedrock, and modern ML frameworks to deliver measurable impact across national and international projects. Fluent English and strong collaboration skills are essential.

Qualifications

• Minimum 5 years of professional experience in Data Science and ML projects.
• Experience delivering end-to-end data science initiatives from data understanding to deployment.
• Strong knowledge of EDA, modeling and model evaluation.
• Proficiency in Python and industry-standard frameworks such as scikit-learn, PyTorch, Keras and pandas.

Responsibilities

• Contribute to AI and Data Science projects focusing on NLP and Generative AI.
• Design and implement end-to-end data science and ML solutions across data understanding, preparation, modeling, evaluation and deployment.
• Perform exploratory data analysis to identify patterns and insights for data-driven decisions.
• Develop, train and evaluate ML models using Python and standard frameworks.
• Implement data preparation/transformations to ensure data quality.
• Develop solutions using LLMs, RAG, and prompt engineering; leverage OpenAI and AWS Bedrock.
• Work with cloud infrastructure to support development, deployment and scalability of AI applications.
• Apply software engineering best practices for code quality and reliability.
• Collaborate with multidisciplinary teams to deliver AI solutions aligned with business needs.

Skills

Python programming

Fluent English

Analytical thinking

Communication skills

Collaboration

Tools

scikit-learn

PyTorch

Keras

OpenCV

pandas

SQL

MLflow

Databricks

Git

CI/CD

Job description

Decskill is expanding its AI capabilities and seeks a Senior Data Scientist to lead Generative AI & NLP initiatives. You will design end-to-end data science solutions, build ML models, and deploy them in cloud environments.

You will work with Python, OpenAI, AWS Bedrock, and modern ML frameworks to deliver measurable impact across national and international projects. Fluent English and strong collaboration skills are essential.