Principal Data Scientist

Salary: £57,000 - 97,000 per year

Requirements:

• We bring extensive experience in academia, industry, or both, and can demonstrate technical ability, creativity, and flexibility as thought leaders in this space.
• We have prior experience working in or for financial services clients, with strong examples of delivering distinctive applications that have driven commercial impact.
• We have broad knowledge across machine learning techniques, including experience building Generative AI and agentic AI applications with Large Language Models.
• We have advanced coding skills in Python and proven experience building and maintaining scalable codebases.
• We enjoy mentoring junior colleagues and have prior direct management experience.
• We are highly proficient in strategic problem-solving and communicating solutions to non-technical audiences.
• We can select appropriate solutions and balance innovation with practical implementation.

Responsibilities:

• We serve as a technical authority on machine learning, Generative AI, and other advanced data science methods to deliver innovative and impactful solutions.
• We lead the development of shared resources, frameworks, and best practices adopted across teams and the company.
• We contribute to scoping and bid processes for large-scale, high-stakes projects and influence client decisions with technical expertise.
• We own a portfolio of work within a specific sector and apply expert knowledge to deliver exceptional value to clients.
• We lead and mentor project teams and direct reports to ensure the successful delivery of high-value and complex projects.
• We act as thought leaders by publishing papers and presenting at industry and scientific conferences to amplify our AI vision for clients.

Technologies:

• Agentic AI
• AI
• Machine Learning
• Python

More:

We are Faculty, founded in 2014, and we help global customers transform performance through human-centric AI. We build and deploy responsible AI for clients across government, finance, retail, energy, life sciences, and defence, with a strong focus on technical excellence and safe deployment. In our Professional and Financial Services business unit, we help financial institutions become more efficient, enhance customer experience, and find commercial upside in uncertain markets. This is a full-time hybrid role based in London, and we offer benefits including unlimited annual leave, private healthcare and dental, enhanced parental leave, family-friendly flexibility, flexible working, Sanctus coaching, and hybrid working. We are committed to building a diverse team and encourage applications from people of all backgrounds, with openness to part-time hours.

last updated 36 week of 2026