Principal Applied Data Scientist

Company IconLondon Stock Exchange Group
Location IconLondon

Overview In this Principal Data Scientist role, you design, build, and deploy scalable AI solutions that move beyond prototypes into production use within LSEG Workspace for financial professionals. You combine NLP/LLM expertise with strong...Read More>>.

Posted: October 1st, 2026
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Principal Research Scientist - Frontier Industrial AI

Company IconAveva Group
Location IconCambridge

Overview In this role you drive frontier industrial AI research at AVEVA, turning ambitious ideas into working systems. You will lead high-impact initiatives, develop new models and architectures, and build validated prototypes that advance...Read More>>.

Posted: October 1st, 2026
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Principal Machine Learning Scientist

Company IconTripAdvisor
Location IconLondon

Overview As Principal Machine Learning Scientist, you anchor the Trips discovery engine, shaping ML strategy and production systems that power search, discovery, and itineraries for millions of users. You bridge cutting-edge AI research wit...Read More>>.

Posted: October 1st, 2026
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Principal Clinical Scientist, Clinical Development - Hematology

Company IconCSL
Location IconMaidenhead

Overview In this role you will contribute to Hematology clinical development programs, ensuring scientifically sound design, safety, and data integrity. You will translate strategy into actionable study deliverables, author and review key d...Read More>>.

Posted: October 7th, 2026
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Principal Product Data Scientist

Company IconTripAdvisor
Location IconLondon

Overview As a Principal Product Data Scientist, you lead the data science vision for Product, shaping tooling, platforms, and AI-driven capabilities that power better customer experiences. You’ll influence senior leaders and cross-functio...Read More>>.

Posted: October 8th, 2026
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Principal Clinical Data Scientist

Company IconPrecision for Medicine
Location Icon

Overview As a Principal/Senior Clinical Scientist, you will lead the clinical science function across Oncology, Rare Diseases, and/or Autoimmune programs from start-up to database lock. You will apply indication-specific expertise to suppor...Read More>>.

Posted: October 10th, 2026
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Data Scientist - Principal

Company IconAristocrat
Location IconCity of Westminster

Are you ready to join a world-class team and make a significant impact on the gaming industry? At Aristocrat, we aim to bring happiness to life through the power of play. We seek a Principal Data Scientist to help us reach our ambitious goals....Read More>>.

Posted: June 6th, 2026
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Principal AI Data Scientist

Company IconAnaplan Inc
Location IconLondon

About the Role We're seeking a versatile Principal Data scientist who can work across the full stack of Anaplan AI applications, from model integration and prompt engineering to building intuitive user interfaces. In this role, you wil...Read More>>.

Posted: June 6th, 2026
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Principal Health Informatics Scientist

Company IconDigitalhealthnews
Location IconCambridge

Location: Cambridge, United Kingdom | Gothenburg, SwedenJob Type: Full-TimeEmployer: AstraZenecaLocation: Cambridge, United Kingdom | Gothenburg, Sweden Job Type: Full-Time Employer: AstraZeneca As a Principal Health Inform...Read More>>.

Posted: June 6th, 2026
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Principal Data Scientist: Strategic Impact Leader

Company IconAWTG Ltd.
Location Icon

AWTG Ltd. in the United Kingdom is looking for a Principal Data Scientist to lead data science efforts across multiple programmes. This role demands expertise in data science, leadership, and the capability to turn analytics into impactful busines...Read More>>.

Posted: June 15th, 2026
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Principal Research Scientist I, Novel Therapeutics

Company IconAbbVie
Location IconOxford

About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a remarkable impact on people's lives...Read More>>.

Posted: July 9th, 2026
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Principal Data Scientist, Precision Skin Biomarkers

Company IconMitra bio
Location IconLondon

Mitra Bio in London is seeking a Principal Data Scientist – Precision Biomarkers in Skin Health to lead client-facing scientific projects, translate breakthrough research into products, and advance our biomarker discovery platform. You will oper...Read More>>.

Posted: July 25th, 2026
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Principal Data Scientist, Gaming AI & Growth

Company IconAristocrat
Location IconLondon

Aristocrat is seeking a Principal Data Scientist to lead end-to-end data science initiatives and build ML/RL solutions that boost player engagement and monetization across leading games.You will define metrics, establish robust modeling fra...Read More>>.

Posted: August 17th, 2026
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Principal Peat / Soil Scientist

Company IconAtkinsRéalis
Location IconGlasgow

Overview We have a great opportunity for a dynamic and motivated Senior or Principal Peat Scientist (depending on experience) to join our Environment Practice in the UK to support with current projects, drive technical delivery and dev...Read More>>.

Posted: September 1st, 2026
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Principal Data Scientist & Machine Learning Researcher

Company IconRTX
Location IconManchester

Gloucester, South Gloucestershire Gloucester, London or Manchester Hybrid role: Must be prepared to work from a Raytheon or customer site depending on demand. Average of 3 days a week on-site. SC Required Must alread...Read More>>.

Posted: September 8th, 2026
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Principal Data Scientist – National Security (TIRE)

Company IconThe Alan Turing Institute
Location IconCheltenham

THE ROLEThis position is working within the Turing Integrated Research Engineering (TIRE) team to support the Turing’s national security partners though developing AI and Data science solutions. It will work across a cross-disciplina...Read More>>.

Posted: September 13th, 2026
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Principal Data Scientist: AI Strategy & Impact

Company IconDigital Futures
Location IconLondon

Digital Futures is seeking a Principal Data Scientist to lead high‑value analytics and modelling work, turning complex data into insights and AI models that drive client outcomes.The role blends hands‑on modelling with technical leaders...Read More>>.

Posted: September 24th, 2026
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Principal AI Scientist for Enterprise GenAI & Planning

Company IconAnaplan
Location IconLondon

Anaplan is seeking a Principal Data Scientist to drive AI across its AI applications, building predictive and generative models that empower enterprise planning and decision-making. You will architect GenAI solutions, integrate autonomous AI workf...Read More>>.

Posted: September 25th, 2026
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Principal Data Scientist — Experimentation Leader (Hybrid)

Company IconTripadvisor
Location IconLondon

Tripadvisor seeks a Principal Data Scientist in London to lead experimentation strategy and measurement standards across products. You will set technical direction, mentor teams, and partner with Product, Engineering and Data Platform to raise spe...Read More>>.

Posted: September 27th, 2026
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Principal Data Scientist (NLP + Applied AI)

Company Icon3310 John Wiley & Sons Ltd.
Location Icon

Job Description: We believe in bold ideas, diverse perspectives, and the drive to transform knowledge into impact. Here, your curiosity fuels progress, your voice shapes innovation, and your ambition helps redefine what’s possible within scie...Read More>>.

Posted: October 2nd, 2026
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Principal Ecosystem Scientist: Research & Policy Leader

Company IconUK Centre for Ecology & Hydrology
Location IconBangor

UK Centre for Ecology & Hydrology in Bangor, Wales invites an experienced environmental leader to join us as Principal Ecosystem Ecologist. You will lead the Ecosystems and Monitoring team, shape research priorities, and translate complex evidence...Read More>>.

Posted: October 3rd, 2026
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Principal Immunology Scientist: Autoimmune Lead

Company Icon2420 MiroBio Ltd
Location IconOxford

Gilead Sciences, Inc. is seeking an experienced immunologist to lead a team of scientists developing novel biologic therapies for autoimmune diseases. The role focuses on guiding in vitro and in vivo pharmacology studies to advance lead and early...Read More>>.

Posted: October 3rd, 2026
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Principal Data Scientist — Neuromonitoring ML Leader

Company IconCoMind
Location IconLondon

CoMind, a pioneer in non-invasive neuromonitoring, seeks a Principal Data Scientist to define methodological direction for signal processing and ML, and to drive the most complex, high-impact problems from research to production.You will le...Read More>>.

Posted: October 6th, 2026
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AI Leader & Principal Data Scientist

Company IconFaculty AI
Location IconLondon

Faculty is seeking a Principal Data Scientist in London to lead the most technically complex projects for our key clients. You will set strategic direction for the data science team, mentor colleagues, and ensure delivery excellence while advancin...Read More>>.

Posted: October 9th, 2026
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Senior Principal AI Scientist, Personalised Learning

Company IconRemote Worker LTD.
Location IconLondon

Preply is seeking a Senior Principal Applied AI Scientist to lead AI-driven personalized learning solutions and shape the scientific roadmap. You will architect state-of-the-art models and work with a team of scientists and engineers to improve th...Read More>>.

Posted: October 9th, 2026
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Principal Data Scientist & Technical Leader

Company IconFaculty AI
Location IconLondon

Faculty AI in London is seeking a Lead Data Scientist to drive technical direction and ensure high-quality, scalable delivery on complex projects. You’ll mentor teams, shape roadmaps, and balance innovation with reliability in a client-focused e...Read More>>.

Posted: October 9th, 2026
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Principal ML Scientist: Search & Personalization

Company IconHumand Talent Ltd.
Location IconLondon

Humand Talent Ltd. is seeking a Principal Machine Learning Scientist for a major digital platform based in London. This is a hands-on technical leadership role shaping intelligent discovery, planning and personalisation at scale.You will de...Read More>>.

Posted: October 9th, 2026
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Principal Applied AI Scientist

Company IconLorien
Location IconLondon

Applied AI Scientist - Must be DV Clearable Location: London 5 days a week on-site We're looking for a hands‑on Applied AI Scientist to design, build and deploy real-world AI solutions in complex, constrained...Read More>>.

Posted: October 9th, 2026
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Principal Research Scientist I, Novel Therapeutics

Company IconUniversity of Georgia- FACS
Location IconOxford

ICompany Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a remarkabl...Read More>>.

Posted: October 11th, 2026
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Principal Product Data Scientist

Company IconBlue Light Card Ltd
Location IconLondon

Blue Light Card. Individually great, together unstoppableThe Role and the TeamThis is a brand new Principal role, reporting to the Data Director. You'll be a subject matter expert and influential voice on experimentation and...Read More>>.

Posted: October 12th, 2026
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Principal Product Data Scientist

Company IconBlue Light Card
Location IconLeicester

Blue Light Card. Individually great, together unstoppableThe Role and the TeamThis is a brand new Principal role, reporting to the Data Director. You'll be a subject matter expert and influential voice on experimentation and...Read More>>.

Posted: October 12th, 2026
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Principal Applied Data Scientist

Company IconLondon Stock Exchange
Location IconLondon

ROLE SUMMARY: As a Principal Data Scientist (individual contributor), you will play a hands-on role in designing, building, and deploying scalable AI solutions that go beyond prototypes and are actively used in production You’ll w...Read More>>.

Posted: October 14th, 2026
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Principal Data Scientist - AI & Media Insights

Company IconBBC Studios
Location IconLondon

BBC Studios is seeking a Principal Data Scientist to drive data-driven decision making across its diverse lines of business. You will lead high-impact data science projects, shape problem statements, and guide production deployment of models while...Read More>>.

Posted: October 17th, 2026
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