Data Science Specialist

Your role

Are you ready to work on data science projects to drive digital transformation? Join our newly established Data and Analytics Team within Group Legal and play a key role in redefining data as an asset. Collaborate closely with IT teams, data analysts, and architects to design and deliver cutting-edge AI solutions that enhance business capabilities.
We are seeking a senior data scientist to:

• Work with various stakeholders to translate reporting requirements into actionable tasks and implement product enhancements.

• Design, build, and deploy high-performance AI/ML/NLP models to meet business objectives.

• Monitor and optimize model performance, ensuring quality, stability, and scalability.

• Clean, manipulate and process raw data into useful information to be suitable for business purposes.

• Validate AI/ML opportunities, define business cases, and create roadmaps for implementation.

• Document model performance, governance, and validation processes comprehensively.

• Mentor and guide junior data scientists and analysts, fostering technical excellence across the team.

Join us

At UBS, we embrace flexible ways of working when the role permits. We offer different working arrangements like part-time, job-sharing and hybrid (office and home) working. Our purpose-led culture and global infrastructure help us connect, collaborate, and work together in agile ways to meet all our business needs.

From gaining new experiences in different roles to acquiring fresh knowledge and skills, we know that great work is never done alone. We know that it's our people, with their unique backgrounds, skills, experience levels and interests, who drive our ongoing success. Together we're more than ourselves. Ready to be part of #teamUBS and make an impact?

Disclaimer / Policy statements

UBS is an Equal Opportunity Employer. We respect and seek to empower each individual and support the diverse cultures, perspectives, skills and experiences within our workforce.

Report misconduct: If you are made aware of any of our employees or individuals acting on behalf of UBS engaging in acts of misconduct under the Poland Whistleblowing Act, you may report your concerns through Poland-

Your team

You'll be part of the Data and Analytics Team within Group Legal's COO function-a culturally diverse and collaborative group with members in multiple locations. The team's mission is to manage Group Legal's data as a strategic asset, ensure compliance with the Bank-wide Data Management Framework (DMF), and deliver advanced analytics and reporting solutions. You'll develop expertise in the technical tools and services that power our capabilities.

Your expertise

• A minimum of 3 years of experience delivering data science projects, either in a leading consultancy or in-house at a large organization.

• Proficiency in developing end-to-end ML and NLP solutions, including data sourcing, feature engineering, model training, evaluation, and visualization.

• Experience in state-of-the-art ML algorithms (e.g., XGBoost, Neural Networks) and techniques (e.g., supervised, unsupervised, or reinforcement learning).

• Proficiency in building ML & NLP / LLM solutions using common ML libraries and frameworks (e.g. Pandas, Sklearn, TensorFlow, Transformers, OpenAI, Huggingface)

• Hands-on experience with NLP applications such as named entity recognition, text classification, sentiment analysis, or chatbot development.

• Familiarity with MLOps practices, containerized solutions (Docker, Kubernetes), and cloud platforms like Azure, AWS, or Google Cloud.

• Ability to explain technical concepts to non-technical stakeholders.

• A strong team player and communicator.

About us

UBS is the world's largest and the only truly global wealth manager. We operate through four business divisions: Global Wealth Management, Personal & Corporate Banking, Asset Management and the Investment Bank. Our global reach and the breadth of our expertise set us apart from our competitors..

We have a presence in all major financial centers in more than 50 countries.

Your Career Comeback

We are open to applications from career returners. Find out more about our program on

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