We are looking for a Senior Data Scientist to join our team and lead the development of advanced Artificial Intelligence, Generative AI, and Machine Learning solutions.

In this role, you will be responsible for designing intelligent architectures, leading technical initiatives, and guiding teams in the delivery of innovative AI-powered solutions that create measurable business value. You will work closely with multidisciplinary teams to define and implement AI strategies, from experimentation to production deployment.

The role combines data science, AI engineering, and technical leadership, with a strong focus on Generative AI, Large Language Models, and modern Machine Learning practices.

Responsibilities:

Lead the design and development of Artificial Intelligence, Generative AI, and Machine Learning solutions
Retrieval-Augmented Generation (RAG)
AI Agents
Modern AI frameworks and technologies
Design and develop end-to-end AI-powered applications
Define and implement approaches for:
- Prompt Engineering
- Model Evaluation
- Fine-Tuning
Develop and optimize AI and Machine Learning pipelines
Drive innovation initiatives and identify opportunities to leverage emerging AI technologies
Ensure adherence to best practices in:
- Software development
- Security
- AI governance
Collaborate with cross-functional teams to define business-focused AI solutions
Mentor and support Junior and Mid-Level Data Scientists
Monitor market trends and technological advances in Generative AI and Machine Learning

Requirements

BSc or MSc in:
- Data Science
- Computer Science
- Engineering
- Statistics
- Or a related field
5–10 years of experience in Data Science and Machine Learning
Proven experience designing and delivering AI solutions in enterprise environments
Strong experience with:
- Generative AI
- Machine Learning
- Large Language Models (LLMs)
Experience designing solutions based on:
- RAG
- AI Agents
- Modern AI frameworks
Solid knowledge of:
- Prompt Engineering
- Model Evaluation
- Fine-Tuning techniques
Experience building and deploying production-ready AI applications
Strong leadership and technical mentoring capabilities
Ability to translate business challenges into scalable AI solutions
Excellent communication and stakeholder management skills
Strong analytical and strategic thinking capabilities
Fluency in English

Nice-to-have

Experience leading AI transformation or innovation programs
Knowledge of AI governance and Responsible AI frameworks
Experience working in multidisciplinary and enterprise-scale environments
Exposure to MLOps and production AI lifecycle management
Strong focus on continuous learning and emerging technologies

Certifications (Valued)

Equivalent certifications in Machine Learning, Generative AI, or Data Science platforms

Other Requirements

Availability to work in a hybrid model in Lisbon (2 days per week on-site)

Senior Data Scientist

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