1 to 25 of 27 Permanent Principal Data Scientist Jobs

United Kingdom, Berkshire, ReadingEmployment type: Full-TimeWork site: 0 days/week in-office – remoteRole type: Individual ContributorTravel: Less than 25%Profession: Research, Applied, & Data SciencesDiscipline: Data ScienceCompany: MicrosoftOverviewIn the Microsoft Frontier Company, you won't just build software; you'll deliver real outcomes for some … embedding directly within customer teams to solve their toughest challenges, side-by-side, and shipping production-ready solutions in days, not months. As a Principal Data Scientist, you will help transform how organizations use data, developing models, running experiments, and driving evidence-based decisions that have ...

expected to take real ownership and move fast. When something isn't working, we challenge our thinking and pivot. Responding to the data and staying agile matters far more than being right the first time." Learn how we work in London and Budapest If you don’t see anything … that fits you today, check back soon. We’re scaling quickly, putting up new roles every week. Principal Data Scientist Location London Employment Type Full time Location Type Hybrid Department Data Data Science We’re on a mission to make migration easy. We started building ...

Date Posted: 2026-05-28 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Hybrid Raytheon UK has a perm opportunity for a Principal Data Scientist and Machine Learning Researcher to join our Strategic Research Group (SRG). As a Principal Data Scientist … support with customer and stakeholder engagement and deliver technical solutions on internal and external projects. The Strategic Research Group (SRG) is a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focussed problems. This opportunity is available in our Gloucester, Manchester ...

Principal Data Scientist - Precision Biomarkers in Skin Health July 21, 2026 Share this post: Company description Mitra Bio is building the future of skincare through epigenetics, longevity science, and data. Backed by Khosla Ventures, Illumina, and Innovate UK, we help people better understand their skin over time … using simple, non-invasive skin sampling and advanced data analysis. Our goal is to make highly personalised skincare more effective, accessible, and science-driven. As we continue to grow, we're looking for a Principal Data Scientist - Precision Biomarkers in Skin Health to play a pivotal ...

Location:/n Gloucester, South Gloucestershire/n Position Role Type:/n Hybrid/n Raytheon UK has a perm opportunity for a Principal Data Scientist and Machine Learning Researcher to join our Strategic Research Group (SRG)./n As a Principal Data Scientist and Machine Learning Researcher, you will work .../n/n ZIPC1_UKTJ ...

## Principal Applied Data ScientistApplylocations: GBR-London-10 Paternoster Squaretime type: Full timeposted on: Posted 17 Days Agojob requisition id: R0118411Are you a hands-on data scientist with deep expertise in NLP and LLMs, strong Python coding skills, and a track record of deploying models … building real-world AI solutions that are used by actual customers? If so, we'd love to talk to you!**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 ...

Role overview The Principal Data Scientist will lead significant data science work across AWTG and client programmes, shaping technical direction, standards and delivery approaches. The role requires deep expertise in data science, strong leadership and the ability to turn advanced analytics into organisational impact. … will work with multidisciplinary teams across data, AI, software engineering, product, QA and delivery to create practical outcomes for clients and end users. Key responsibilities Lead the scoping, design and delivery of complex data science products, models and analytical solutions. Set standards for modelling, validation, reproducibility, coding, documentation ...

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. You will have a vital role in enhancing gameplay, boosting player engagement, and improving … business outcomes with your advanced data expertise. This opportunity allows you to work on innovative projects, collaborate with diverse teams, and guide critical initiatives that will develop the future of our leading games. What You'll DoLead high-impact data science initiatives end-to-end, including problem framing ...

UK. Novartis is unable to offer relocation support for this role. Please only apply if this location is accessible for you. As a Senior Principal Data Scientist in the Medical Affairs Advanced Quantitative Sciences group, you will be responsible for the discussion and implementation of data science methodologies applied to patient-level data (including various clinical, real-world, and biomarker data) across clinical development. You will combine your data science and AI skills and your scientific knowledge in biology or medicine or statistics to enrich drug development decisions in close collaboration with ...

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 business results. The ideal candidate will excel … designing scalable data science solutions while collaborating with cross-functional teams. Strong skills in machine learning and stakeholder communication are essential. #J-18808-Ljbffr ...

complex challenges, uncovering insights, and driving innovation with advanced analytics? If so, we could have the perfect opportunity for you! We’re seeking a Principal Data Scientist to join our award-winning digital team at Stantec. You will be working alongside leading Analysts and Data Engineering … Reading, Brighton or Southampton offices, with hybrid working allowing for a mix of in-office and home working. What You'll Be Doing Leading Data Science Initiatives – apply your expertise in data modelling, cleansing, and analytics to create innovative solutions that drive digital transformation. Deriving Powerful Insights ...

complex challenges, uncovering insights, and driving innovation with advanced analytics? If so, we could have the perfect opportunity for you! We’re seeking a Principal Data Scientist to join our award-winning digital team at Stantec. You will be working alongside leading Analysts and Data Engineering … Reading, Brighton or Southampton offices, with hybrid working allowing for a mix of in-office and home working. What You'll Be Doing Leading Data Science Initiatives – apply your expertise in data modelling, cleansing, and analytics to create innovative solutions that drive digital transformation. Deriving Powerful Insights ...

Marshmallow is seeking a Principal Data Scientist in London to lead data science across Claims Fraud, designing and deploying ML and Generative AI systems for automated claims processing. You will collaborate with product and engineering to scale decisions, while ensuring robust, testable solutions and measurable improvements. ...

Faculty is seeking a Principal Data Scientist to lead ML delivery within our Defence team in the UK. You will own strategic projects, guide technical strategy, and mentor data scientists while engaging with clients on high-stakes engagements. You will translate challenges into roadmaps, write robust ...

Faculty is seeking a Principal Data Scientist for its Defence team in the UK. You will own complex ML delivery, shape sector strategy, and mentor data scientists while building trusted client partnerships. The role requires UK Security Clearance eligibility, with on-site work 2–4 days ...

sites, you’ll have the flexibility to work from our London office or remotely from elsewhere within the UK. About the role As a Principal Data Scientist at Faculty, you will drive high impact transformation within our Defence team by taking ownership of complex machine learning delivery … deliver exceptional value. Balancing deep business knowledge with advanced analytical skill, you will shape cutting edge AI solutions, build robust client partnerships, and mentor data scientists across ambitious initiatives. What you’ll be doing: Owning and growing a strategic portfolio of machine learning work specifically tailored to the Defence ...

sites, you’ll have the flexibility to work from our London office or remotely from elsewhere within the UK. About the role As a Principal Data Scientist at Faculty, you will drive high impact transformation within our Defence team by taking ownership of complex machine learning delivery … deliver exceptional value. Balancing deep business knowledge with advanced analytical skill, you will shape cutting edge AI solutions, build robust client partnerships and mentor data scientists across ambitious initiatives. What you'll be doing: Owning and growing a strategic portfolio of machine learning work specifically tailored to the Defence ...

sites, you’ll have the flexibility to work from our London office or remotely from elsewhere within the UK. About the role As a Principal Data Scientist at Faculty, you will drive high impact transformation within our Defence team by taking ownership of complex machine learning delivery … deliver exceptional value. Balancing deep business knowledge with advanced analytical skill, you will shape cutting edge AI solutions, build robust client partnerships, and mentor data scientists across ambitious initiatives. What you'll be doing: Owning and growing a strategic portfolio of machine learning work specifically tailored to the Defence ...

Principle Data Scientist Location: Norwich or Leeds Salary: Circa: £95k Are you someone who thrives on leading high-performing Data Science teams, shaping commercial strategy, and driving innovation through advanced analytics, machine learning and AI to tackle fraud and financial crime challenges? A bit about … This is a senior leadership role within Aviva's Data Science function, responsible for driving the strategic application of Data Science, Machine Learning and AI across Fraud and Financial Crime. Working with one of the richest insurance datasets in the industry, you'll lead a team of Data ...

that makes you unique is welcome; join us and let’s build what’s next - together! 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 … Generative AI Architecture: Architect GenAI solutions, focusing on fine-tuning proprietary and open-source Large Language Models (LLMs) via Transformer architectures for specialised enterprise data tasks. Next-Gen Interfaces: Design and integrate Conversational AI and autonomous Agentic AI workflows, creating intuitive experiences that can independently execute complex planning tasks. ...

Anaplan seeks a versatile Principal Data Scientist to work across the full AI stack, from model integration and prompt engineering to building intuitive interfaces. You will shape AI solutions that drive automated, forward-looking decision-making for global customers and bridge traditional algorithms with generative systems. Lead ...

architecture of AI solutions, in addition to building and running an AI platform to deliver business-specific Use Case solutions. Collaborating with the Data Platform to team in ingesting and transforming data from multiple systems, modeling data, and engineering data marts to create reusable data … operating a company wide agentic AI solution platform to help scale up AI capabilities across all functions and regions. Building AI models and a data science platform that enables Rentokil to derive significant value from AI, from machine learning to gen AI and beyond, and ensuring the quality ...

architecture of AI solutions, in addition to building and running an AI platform to deliver business-specific Use Case solutions. Collaborating with the Data Platform to team in ingesting and transforming data from multiple systems, modeling data, and engineering data marts to create reusable data … operating a company wide agentic AI solution platform to help scale up AI capabilities across all functions and regions. Building AI models and a data science platform that enables Rentokil to derive significant value from AI, from machine learning to gen AI and beyond, and ensuring the quality ...

inspired to think big and bring your ambition to work every day, which is why, at British Airways the sky is never the limit. Principal Product Data Scientist You’ll be part of the Operations Delivery Intelligence (ODI) directorate, working within integrated operations product squads to build … real‐world decision‐making challenges across the airline. What you’ll do: Act as the technical owner of one or more production‐grade data science product codebases Lead the end‐to‐end delivery of decision‐support software across the full product lifecycle Understand complex operational business problems ...

safer and more connected world. About the role This role is 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 focussed problems. In this role you will work with high levels … group, support with customer and stakeholder engagement and deliver technical solutions on internal and external projects. Skills and Experience Requirements BSc in Machine Learning, Data Science, Computer Science, Mathematics or related field.Multiple years experience of delivering novel ML solutions to customers and internal stakeholders.Excellent coding practice using Python ...