Principal Data Scientist (UK)

TWG Group Holdings, LLC is seeking a Principal Data Scientist to lead the design and execution of AI/ML initiatives within the UK Data Science team. This role focuses on delivering measurable business outcomes, collaborating with embedded ML Engineers, and mentoring a team of data scientists. The Data Scientist will be responsible for scalable solutions, responsible AI practices, and advising senior stakeholders on AI opportunities within the firm.

Requirements

• 8+ years of experience in data science or machine learning
• Deep expertise in advanced machine learning, causal inference, deep learning, and statistical modeling
• Hands-on technical depth in Python (or R), cloud platforms, and modern ML frameworks
• PhD or equivalent advanced degree in Data Science, Statistics, Computer Science, or related quantitative discipline
• Experience mentoring or leading small, high-performing teams

Benefits

• Competitive compensation
• Medical, financial, or other benefits