1 to 25 of 43 Principal Data Scientist Jobs in the UK

Principal Data Scientist

Hiring Organisation
Hiscox
Location
London, England, United Kingdom
Principal Data Scientist page is loaded## Principal Data Scientistremote type: On-Sitelocations: UK, Londontime type: Full timeposted on: Posted 2 Days Agojob requisition id: R0018598**Job Type:**Permanent**Build a brilliant future with Hiscox**Position: Principal Data ScientistReporting to: Lead Data ScientistLocation … London/YorkType: PermanentBand: 3As a Principal Data Scientist at Hiscox, you will be an integral part of a dynamic technical team, strategically focused on leveraging data science across our diverse business functions. While your expertise will be pivotal in transforming our underwriting capabilities, your influence ...

Principal Data Scientist

Hiring Organisation
Made Tech
Location
London, England, United Kingdom
Join to apply for the Principal Data Scientist role at Made TechJoin to apply for the Principal Data Scientist role at Made TechThis range is provided by Made Tech. Your actual pay will be based on your skills and experience — talk with your recruiter … learn more.Base pay rangeOur Principal Data Scientists are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients.We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership ...

Principal Data Scientist

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £140,000 per annum
Principal Data Scientist LondonPrivate Equity£120,000 - £140,000 + benefits Harnham is working with a tech firm in the Private Equity space and hiring a few positions across Data Science, Machine Learning Engineering and Data Engineering. The company have an impressive founding team … hold a strong reputation within the Data & AI and Private Equity space. They partner with some leading investment firms in deploying AI and machine learning for the sole purpose of creating value. Often working in ambiguous and greenfield environments, you will collaborate with a strong team of technical people ...

Principal Data Scientist

Hiring Organisation
Pets at Home
Location
London, England, United Kingdom
Join to apply for the Principal Data Scientist role at Pets at Home1 week ago Be among the first 25 applicantsJoin to apply for the Principal Data Scientist role at Pets at HomeBe the Data-Driven Heart of Our TransformationAt Pets at Home … more than a retailer — we’re a pet care powerhouse, spanning retail, veterinary, grooming and subscription services. As we transform our business through data, we’re looking for a Principal Data Scientist to lead the charge.This is your opportunity to work across every area ...

Principal Data Scientist

Hiring Organisation
TieTalent
Location
Wilmslow, England, United Kingdom
Join to apply for the Principal Data Scientist role at TieTalent2 days ago Be among the first 25 applicantsJoin to apply for the Principal Data Scientist role at TieTalentBe the Data-Driven Heart of Our TransformationAt Pets at Home, were more than … retailer were a pet care powerhouse, spanning retail, veterinary, grooming and subscription services. As we transform our business through data, were looking for aPrincipal Data Scientistto lead the charge.This is your opportunity to work across every area of our business, applying cutting-edge data science to real ...

Principal Data Scientist

Hiring Organisation
Made Tech Limited
Location
London, England, United Kingdom
Principal Data Scientists are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients.We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership and a clear vision … lasting and effective change in a public sector environment. We expect our Principal Data Scientist to bring all of that and enthuse our delivery teams with the same passion.The successful candidate will lead the Data Science aspects of our client engagements while overseeing the wider delivery ...

Principal Data Scientist

Hiring Organisation
NBCUniversal
Location
Brentford, England, United Kingdom
Kardashians, The Real Housewives, Mr. Robot, The Voice, This Is Us, The Fast & The Furious, Jurassic Park, Minions, and more is looking for a Principal Data Scientist to lead a team working on personalization at Peacock.Are you a fan of machine learning solutions, reinforcement learning, deep learning … technology and science at the epicenter of content, technology and culture. Position Overview As part of the Media Group Decision Sciences team, the Principal Data Scientist will be responsible for creating machine learning solutions for NBCU’s video streaming service including but not limited to, content recommendations ...

Principal Data Scientist

Hiring Organisation
Harnham
Location
London, England, United Kingdom
Lead/Principal Data Scientist London - 3 days a week Up to £135,000 About the Company We’re working with a next-generation private markets firm that is redefining value creation by combining deep industry expertise with data science and machine learning. This … join a company that partners directly with portfolio companies to drive measurable operational and financial performance. They’re now hiring a Lead/Principal Data Scientist to lead machine learning projects across a wide variety of real-world domains. Working closely with a multidisciplinary team ...

Principal Data Scientist

Hiring Organisation
Xcede
Location
London, England, United Kingdom
will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message the job poster from XcedeAssociate Director – Data & AI RecruitmentPrincipal Data Scientist(Hybrid work in London - roughly 1/2 days a week in London)We’re partnered with … well-established, tech-driven company that’s redefining how data science supports product innovation and customer experience across its domain. With a strong focus on automation, personalisation, and intelligent decisioning, this organisation is placing data science at the heart of its strategy, investing heavily in both classic ...

Principal Data Scientist

Hiring Organisation
RevTech
Location
London, England, United Kingdom
Principal Data Scientist | Hybrid | Up to £110kHigh growth global ecommerce platform operating at significant scale, with data science at the core of commercial decision making.We’re hiring a Principal Data Scientist to play a critical technical leadership role in shaping advanced modelling … focused on solving complex, high impact problems through experimentation, causal inference, and applied machine learning.You’ll act as a technical authority, working closely with data science leadership, engineers, and commercial stakeholders while remaining hands on.What you’ll do:Drive large scale commercial optimisation initiatives using experimentation and advanced modelling ...

Principal Data Scientist - Healthcare

Hiring Organisation
Kainos
Location
London, England, United Kingdom
Join to apply for the Principal Data Scientist - Healthcare role at Kainos. Get AI-powered advice on this job and more exclusive features. Join Kainos and Shape the Future. At Kainos, we’re problem solvers, innovators, and collaborators – driven by a shared mission to create real impact. … make your mark? Join us and be part of something bigger. Kainos is recognised as one of the UK’s leading AI and data businesses, with a decade-long track record of delivering impactful, production-grade AI solutions for clients across government, healthcare, defence, and commercial sectors. Kainos ...

Principal Data Scientist

Hiring Organisation
RAC
Location
Bristol, England, United Kingdom
About The Role Are you an experienced Principal Data Scientist ready to deliver cutting‐edge AI and machine learning solutions with real‐world impact? Join the RAC’s AI Squad and help shape the future of our roadside assistance and contact centre operations. This influential role blends … deep technical expertise with strategic leadership, helping deliver measurable improvements in how we support millions of customers. As a Principal Data Scientist, you’ll lead high‐value AI/ML initiatives, working closely with the AI Squad Product Manager, that drive operational efficiency and smarter decision‐making ...

Principal Applied Data Scientist

Hiring Organisation
LSEG
Location
City of London, England, United Kingdom
OverviewAre you an experienced data scientist with a passion for productionising AI solutions? Do you want to build innovative solutions for financial markets and professionals by co-developing with teams of brilliant, collaborative data scientists? If so, we’d love to talk to you!Role summary … individual contributor Principal Data Scientist, you will drive the development of high-impact, scalable AI solutions, moving beyond prototypes to production systems. We are looking for an applied data scientist with the proven ability to manage project timelines and deliver high-quality AI products that ...

Principal Data Scientist (Consultancy)

Hiring Organisation
Harnham
Location
London, England, United Kingdom
among the first 25 applicantsDirect message the job poster from HarnhamLeading Analytics & AI growth across Harnham's largest clients | The Talent Driving The Data & AI RevolutionPrincipal Data ScientistSalary: Up to £100k with a competitive bonus.Location: UK based, 3 days a week on client siteThis role is a great … 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 ...

Principal Data Scientist

Hiring Organisation
Harnham
Location
London, England, United Kingdom
will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message the job poster from HarnhamBuilding Data Science and Machine Learning Teams in the UK | The Talent Driving The Data and AI RevolutionPrincipal Data ScientistUp to £85,000London (Hybrid … world’s biggest high street fashion brands, who has been leading the industry for the past 55 years. They are looking for a Principal Data Scientist to lead and scale their data science strategy, helping to unlock insights, optimise performance, and shape the future!They ...

Principal Data Scientist

Hiring Organisation
Vortexa Ltd
Location
London, England, United Kingdom
growing international technology business founded to solve the immense information gap that exists in the energy industry. By using massive amounts of new satellite data and pioneering work in artificial intelligence, Vortexa creates an unprecedented view on the global seaborne energy flows in real-time, bringing transparency and efficiency … energy markets and society as a whole.http://www.vortexa.com/Ingesting data from multiple external vastly different sources at hundreds of rich data points per second, moving terabytes of data while processing it in real time, running complex and complicated prediction and forecasting AI models while ...

Principal Data Scientist

Hiring Organisation
World of Books Group
Location
London, England, United Kingdom
become the Planet’s Bookstore — helping people read more while wasting less. As a certified B-Corp and a £200m+ global ecommerce business, data science sits at the heart of how we price millions of books sustainably and profitably. We’re now looking for a Principal Data Scientist to play a critical technical leadership role in shaping how advanced modelling and experimentation are applied to pricing at scale. The Role This is a senior individual contributor role (no people management), focused on solving complex, high-impact pricing problems through experimentation, causal inference and applied machine ...

Principal Data Scientist

Hiring Organisation
Vortexa
Location
London, England, United Kingdom
growing international technology business founded to solve the immense information gap that exists in the energy industry. By using massive amounts of new satellite data and pioneering work in artificial intelligence, Vortexa creates an unprecedented view on the global seaborne energy flows in real-time, bringing transparency and efficiency … energy markets and society as a whole.Vortexa’s Data Platform, designed, developed and maintained by the Data Production Team, is a cloud-native ecosystem that powers the full lifecycle of our data and intelligence products. It integrates large-scale data pipelines, machine-learning models, AI agents ...

Principal Data Scientist

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £125,000 per annum
Lead Data Scientist London 85-120k If you're a hands-on Data Science/AI specialist who loves solving real operational problems, this role puts you right at the heart of client delivery. You'll shape the problems, design and build the solutions … POCs. THE COMPANY This fast-growing consulting firm helps organisations across the public sector, defence and commercial markets deliver measurable improvements in performance through data, AI and digital solutions. They are building a modern AI & Digital capability that sits at the front of transformation programmes, working shoulder-to-shoulder ...

Lead Principal Data Scientist - ML, AI Solutions

Hiring Organisation
Hiscox
Location
London, England, United Kingdom
global insurance company is looking for a Principal Data Scientist to lead complex data science initiatives in London or York. You will manage the delivery of impactful data science projects and mentor fellow data scientists. Your role is pivotal in enhancing underwriting capabilities ...

Principal Data Scientist & Machine Learning Researcher

Hiring Organisation
Raytheon UK
Location
Gloucester, England, United Kingdom
Principal Data Scientist & Machine Learning Researcher 1 day ago Be among the first 25 applicants Date Posted: 2025-11-05 Country: United Kingdom Location: GBR29: Gloucester, 18b Ley Court, Barnwood Industrial Estate, Barnwood, Gloucester, Gloucestershire, GL4 3RT Position Role Type: Unspecified Location: Gloucester, London or Manchester Hybrid … sense of purpose. About the role This role is within the Strategic Research Group (SRG). The SRG is a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission‐focused problems. In this role you will work with high levels of autonomy ...

Principal Data Scientist

Hiring Organisation
Leonardo UK Ltd
Location
Bristol, England, United Kingdom
DescriptionPrincipal Data ScientistYour impactThis is a highly rewarding and hands on role with exposure across both traditional and cutting-edge enterprise IT as well as bespoke Operational Technology systems. You will be working in a dynamic environment with a team that is motivated to deliver innovative solutions to customers … people to help grow our practice and solve some of the most challenging, exciting and critical challenges to the UK’s digital landscape.As a Principal Data Scientist you will:Lead on the continual development of Automation, Orchestration and Machine Learning capabilitiesBe a People Leader and manage ...

Principal Data Scientist

Hiring Organisation
Xcede
Location
London, England, United Kingdom
Lead/Principal Data Scientist This is a leadership opportunity at a fast‐scaling AI consultancy known for its technical excellence and track record in delivering real‐world impact across highly regulated industries. The team helps major clients in finance, insurance, legal, and other sectors apply cutting … edge data science in complex operational environments, balancing innovation with reliability and rigor. You’ll join a deeply technical, collaborative group working on custom AI and machine learning solutions that support automation, forecasting, and decision intelligence. The focus is on strategic value creation: solving ambiguous problems with clarity ...

Principal Data Scientist and Machine Learning Researcher

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Principal Data Scientist & Machine Learning Researcher sits within the Strategic Research Group (SRG). The SRG are a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focused problems. In this role you will work with high levels … week at our site(s) or customer site min Must be eligible and willing to gain SC & eDV clearance Responsibilities Support the Head of Data Science & Machine Learning using your experience to contribute to the group strategy and stakeholder engagement. Bring ideas for novel research that will drive competitive ...

Principal Data Scientist and Machine Learning Researcher

Hiring Organisation
Raytheon Systems
Location
Manchester, England, United Kingdom
Principal Data Scientist & Machine Learning Researcher sits within the Strategic Research Group (SRG). The SRG are a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focused problems. In this role you will work with high levels … week at our site(s) or customer site min Must be eligible and willing to gain SC & eDV clearance Responsibilities Support the Head of Data Science & Machine Learning using your experience to contribute to the group strategy and stakeholder engagement. Bring ideas for novel research that will drive competitive ...