76 to 100 of 109 Lead Data Scientist Jobs in the UK

Brego AI Ltd., a pioneering firm in the automotive sector, seeks a Lead Data Scientist to design and deploy AI-driven machine learning systems that enhance vehicle valuation and pricing strategies. You will take charge of the entire lifecycle of models, working closely with engineering and product ...

London Stock Exchange Group (LSEG) invites a Principal Applied Data Scientist to lead hands-on NLP/LLM initiatives within the LSEG Workspace. You will design, build, test, and deploy production-grade AI solutions used by financial professionals and collaborators across teams. You will work with cutting … edge NLP tooling, ensure reliability, and drive production delivery with a focus on scalable, measurable impact. This role offers exposure to major financial data products and strong career growth. #J-18808-Ljbffr ...

Friend MTS is seeking a Lead Applied AI Data Scientist to drive production AI solutions and provide technical leadership. You will work directly with customers to understand complex challenges and mentor other data scientists, shaping the technical direction of our AI initiatives. The role focuses ...

leading project solutions provider in the UK is seeking a Senior Data Scientist to drive innovation through data and AI. You will design and implement data science solutions and develop Generative AI applications to transform data into actionable intelligence across various sectors. The ideal candidate ...

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 ...

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 weekly ...

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 ...

Talk to customers and align on success criteria and measurement Use raw, real-world data to form clear, actionable insights Optimise agent performance for each onboarded customer Own the optimisation flow from identifying opportunities through testing hypotheses, running experiments, delivering improvements, and demonstrating value Analyse data … scope independent initiatives Turn ad hoc analyses and findings into scalable self-service tooling for teammates and customers Requirements Significant data science experience at a lead/staff level Experience building robust data pipelines Fluency in SQL and Python Strong understanding of statistical methods Background working ...

Consulting is seeking a Senior Data Scientist to lead the design and delivery of AI solutions and advanced analytics for clients across industries. You will mentor junior team members and shape IBM’s data science capability while collaborating with engineers and client stakeholders. You will drive … engagements, translating business challenges into data-driven insights, and stay ahead of emerging AI methodologies. A strong background in NLP/ML and cloud platforms is required. #J-18808-Ljbffr ...

Faculty in London is seeking a Senior Data Scientist to lead high-impact AI safety projects and shape upstream evaluation standards. This role demands hands-on scientific thinking, strong coding in Python, and leadership across delivery teams. You'll design evaluation frameworks, build robust software architectures, mentor ...

Arcadis is seeking a Senior Data Scientist to lead the delivery of digital and analytical solutions across assets for our clients in the UK. You will guide technical delivery, coach junior analysts, and contribute to business development from requirements through to adoption and value realization. You will ...

recruiting for a Statistical Data Scientist to join an innovative Life Science company based in Greater Manchester. The role is a 2-month initial contract with hybrid/remote work, starting asap. You will lead a key statistical study, work with large patient datasets, and prepare data for analysis ahead of publication. Responsibilities include data cleansing, analysis, visualisations and producing internal reports. #J-18808-Ljbffr ...

National Geographic is looking for a Senior Data Science Engineer to lead projects in the Trading Intelligence Team. This role involves developing statistical models and collaborating across teams to enhance decision-making through data science. The candidate should have a Bachelor's degree in a relevant field … proven experience in data science, strong machine learning foundations, and proficiency in Python or R. Knowledge of Kubernetes and Kafka is desirable. #J-18808-Ljbffr ...

Jet2.com Limited is seeking an experienced Senior Data Scientist to join its Data Science team in the UK. You will deliver high-impact data science initiatives and collaborate with colleagues across marketing, pricing, customer insights and operations to optimise business processes. You will apply … statistical modelling, explain results to stakeholders, and drive data-driven decision making while keeping up to date with evolving technologies and governance requirements. #J-18808-Ljbffr ...

Elsevier seeks a Senior Data Scientist I to lead development and evaluation of advanced search and generative AI systems. You will own complex problem areas end-to-end, driving rigor in evaluation and contributing to retrieval and RAG system direction. This role suits someone with deep hands ...

Haleon plc. seeks a senior data scientist to join the Global AI & Data Science team in London. You will build ML models for marketing, commercial and digital, and work with data engineers and ML engineers to deliver high-impact data-driven solutions. You will deploy ...

Hims & Hers in London is seeking a Senior Data Scientist to own end-to-end data projects, translating complex problems into robust ML models and production-ready code with strong autonomy. You will partner with Product, Engineering and Business teams to optimize operations, marketing and the customer … experience, while upholding engineering standards and mentoring junior data scientists, contributing to scalable data platforms and governance. #J-18808-Ljbffr ...

leading consulting firm is seeking a Principal Data Scientist to innovate within a prestigious brand. This role offers a unique chance to shape the approach to data science in a greenfield environment, impacting the organization significantly. Ideal candidates have fluency in Python and proven experience in solving ...

Kennedy Group is seeking a Lead Pricing/Data Specialist to join our global insurance team in London. You will lead predictive modelling initiatives, work with unstructured data, and mentor a small team of data scientists. You will partner with business units, develop models using ...

Join us and be part of something bigger. J OB P ROFILE DESCRIPTION Kainos is recognised as one of the UKs leading AI and data businesses, with a decade-longtrack recordof delivering impactful, production-grade AI solutions for clients across government, healthcare,defence,and commercial sectors. Kainos … leadership for your team as you solve challenging problems together. M INIMUM ( ESSENTIAL ) REQUIREMENTS : A minimum of a 2.1 degree in Computer Science, AI, Data Science, Statistics or in a similar quantitative field. Have a deep understandingand developingof AI/ML models, including time series, supervised/unsupervised learning ...

Travel Corporation is seeking a skilled data scientist to turn complex analytics into actionable business insights. You will work with rich customer, booking and marketing data to build predictive models and optimise commercial outcomes. You will lead experimentation, design robust measurement plans and collaborate with data ...

across channels. The opportunity Become one of the top contributors to bring the new product vision live. Work end to end across metric design, data and modeling, experimentation, and product integration. What you’ll do Build components of new products that turn real customer signals into timely actions … impact; embed sound statistical practice; and turn results into simple, trusted narratives that guide product and commercial decisions. Productionize and scale thoughtfully: ship durable data and model workflows in collaboration with the engineering team, ensure quality and monitoring, and document decisions so the system is reliable, explainable, and easy ...

timePosted: 2026-06-29What you will do We are rebuilding our fraud detection systems from the ground up, and we are looking for data scientists who want the full mandate to do it right, from raw data to production model, at a scale that affects hundreds … demanding problem spaces at Klarna. You will build best-in-class machine learning systems from the ground up, owning the complete pipeline from raw data through feature engineering, model design, training, and real-time production deployment. A central part of this role is converting some of Klarna's existing ...

building a foundation model that turns that sequence into a single, reusable representation of the customer — a transformer trained specifically on Klarna's own data, built in-house rather than adapted from an existing public model, because the patterns it needs to learn don't show up in general … features, deciding on vocabulary size, sequence length, and how information compounds across a sequence. You'll own the model lifecycle end to end, from data preparation and training through to serving it in production. You'll translate research decisions — architecture choices, tokenisation trade-offs — into production systems that ...