Principal Data Scientist (Consultancy)

Harnham

England

Hybrid

GBP 90,000 - 110,000

Full time

14 days+

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Benefits offered by this job

Flexible working options

Growth opportunities

Supportive team culture

Job summary

A dynamic consultancy is seeking a Principal Data Scientist to lead AI and data science projects, mentor teams, and work directly with clients. The ideal candidate has experience in machine learning and statistical modelling and can communicate effectively with various stakeholders. This full-time position offers flexible working options, competitive salary, and opportunities for career growth.

Qualifications

Proven experience leading end-to-end data science projects.
Ability to communicate complex ideas to technical and non-technical stakeholders.
Leadership experience or a desire to mentor and guide teams.

Responsibilities

Lead complex data science and AI initiatives from concept to deployment.
Develop advanced models using machine learning and optimisation techniques.
Collaborate with clients to define problems and deliver measurable impact.

Skills

Machine learning

Statistical modelling

Optimisation

Python

Mentoring

Tools

Pandas

Scikit-learn

Job description

1 week ago Be among the first 25 applicants

Direct message the job poster from Harnham

Leading Analytics & AI growth across Harnham's largest clients | The Talent Driving The Data & AI Revolution

Principal Data Scientist

Salary: Up to £100k with a competitive bonus.

Location: UK based, 3 days a week on client site

This role is a great opportunity to work at a dynamic consultancy rooted in the UK, this firm partners closely with public agencies, retailers, transport providers, housing associations, energy companies, and healthcare systems to solve complex problems.

Shape the future of data science and AI — lead transformative projects with real-world impact. We're looking for a Principal Data Scientist to drive advanced solutions in machine learning, AI, and data analytics across diverse industries.

Key Responsibilities

Lead complex data science and AI initiatives from concept to deployment.
Develop advanced models using machine learning, optimisation, and simulation techniques.
Mentor and guide a team of data scientists, driving technical excellence.
Collaborate with clients to define problems and deliver measurable impact.
Stay hands-on with Python and modern data science tools (pandas, scikit-learn, etc.).

Requirements

Proven experience leading end-to-end data science projects.
Expertise in machine learning, statistical modelling, and optimisation.
Ability to communicate complex ideas to both technical and non-technical stakeholders.
Leadership experience or a desire to mentor and guide teams.
Ability to link work to commercial/performance outcomes.

Why Apply?