Senior Data Scientist

Aubay Portugal; Lisboa; Ibrido; EUR 60.000 - 80.000; Tempo pieno

Vantaggi offerti da questo lavoro

Health insurance & dental coverage

Training Academy and career growth

Hybrid work model (2/3 on-site)

Descrizione del lavoro

Aubay Portugal is seeking an experienced Data Scientist/AI Specialist to design, develop, and deploy advanced AI and ML solutions, including Generative AI and Agentic AI systems. You will lead data science initiatives, define modeling strategies, and collaborate with cross-functional teams to translate business problems into scalable AI assets.

Hybrid work mode (2/3 days on site) with opportunities for growth and training through Aubay's programs.

Competenze

• 5+ years of professional data science experience.
• Strong Python and PySpark/Spark MLlib proficiency.
• Hands-on Generative AI/Agentic AI design and implementation.
• Experience with ML architectures and MLOps lifecycles.
• English and Portuguese communication skills.

Mansioni

• Design, develop and deploy AI/ML solutions including Generative and Agentic AI.
• Define modeling strategies and experimentation frameworks.
• Build and optimize AI agents interacting with enterprise data.
• Ensure deployment, monitoring, and lifecycle management of ML solutions.
• Lead data science teams and align projects with goals.
• Collaborate with cross-functional stakeholders to solve business problems.

Conoscenze

Python

Generative AI

Agentic AI

MLOps

Team leadership

English/Portuguese

Formazione

Bachelor's or Master's in CS/Engineering/Math

Strumenti

PySpark

Spark MLlib

Descrizione del lavoro

At Aubay Portugal, we work daily with some of the largest organisations across sectors such as banking, insurance, telecommunications and energy, helping to build and evolve critical systems that support millions of users. We have been in Portugal since 2007 and are part of an international group with a presence in several European countries. More than technology, we build close relationships and deliver real-impact projects.

What will you do?

• Design, develop, and deploy advanced AI and machine-learning solutions, including Generative AI and Agentic AI systems.
• Define modeling strategies, experimentation approaches, and analytical frameworks for complex AI/ML initiatives.
• Build and optimize intelligent AI agents with capabilities such as reasoning, planning, and tool usage, interacting with enterprise data.
• Ensure robust deployment, monitoring, and lifecycle management of ML, Generative AI, and Agentic AI solutions, adhering to MLOps best practices.
• Lead and mentor Data Science teams, ensuring technical excellence, timely delivery, and alignment with project goals.
• Collaborate with cross-functional stakeholders to translate business problems into scalable and impactful AI solutions.

What are we looking for?

At Aubay, our focus is on professionals who bring both technical expertise and the right mindset:

• Degree in Computer Science, Engineering, Mathematics, Statistics, Operations Research, or a related analytical field.
• Minimum of 5 years of professional experience in Data Science.
• Strong expertise in Python and experience with PySpark/Spark MLlib.
• Hands‑on experience designing and implementing Generative AI and Agentic AI solutions, including LLMs, RAG, and prompt engineering.
• Deep knowledge of ML architectures and MLOps-oriented lifecycles (CI/CD for ML, model versioning, monitoring, retraining pipelines).
• Proven track record of leading data science projects end‑to‑end with MLOps best practices.
• Proficiency in English and Portuguese, required for effective communication.
• Portuguese or foreign national with valid work permit, based in Lisbon or Porto.
• Alignment with our corporate culture and a commitment to integrity and ethics are highly valued;
• Strong customer focus, teamwork, task prioritisation, and daily commitment are highly appreciated.

What can we offer?

At Aubay, we invest in your development and well-being:

• Continuous growth through our Training Academy, with technical and soft skills training, mentoring, tech communities, workshops and in‑person meetups;
• Close support with regular feedback and a structured career advancement model;
• Comprehensive health insurance, including dental coverage, as well as access to a mental health platform and well‑being initiatives;
• Team‑oriented environment, including events and initiatives to promote connection and team spirit;
• Personal and family life support, from the moment your children are born and throughout their educational path;
• Access to a language platform with conversational classes in multiple languages;
• Project‑tailored work model: hybrid (2/3 times a week).

What will you find here?

• A close‑knit and informal environment, where direct communication is preferred and people are valued;
• Recognition of your contribution, with initiatives that celebrate meaningful moments;
• Freedom to be yourself, without unnecessary formalities;
• Teams where knowledge sharing, collaboration and joint growth are a reality.

Personal Data collected by AUBAY PORTUGAL as Data Controller, regarding the identification, contact and professional capabilities of the candidates, in the present procedure, will be processed for the application analysis, having in consideration that the processing is conducted in order to take the steps, at the request of the data subject, prior to entering into a contract; Personal data sent through the present application will be kept by Aubay during the application procedure and will remain stored whilst updated (for two years period). The collected data might be transferred or include other processing activities, as long as the data subject is informed, in the occurrence of a standard application and selection procedure, for the compliance of legal obligations for the time required by law. For any queries or request regarding personal data protection rights, the Data Subject may contact AUBAY PORTUGAL's headquarters in Avenida Duque D'Ávila, nº46 em Lisboa or use the DPO's e-mail - [e-mail]. The Data Subject also has the right to file a complaint with the National Data Protection Authority – www.cnpd.pt. (please do not include data regarding racial or ethnical origins, political opinions, religion, philosophy, biometrical data, health data, sexual life and orientation, or relating to criminal convictions and offences.)