251 to 275 of 361 Senior Data Scientist Jobs in the UK

Senior/Lead Data Scientist -FraudJob detailsData ScienceLondonFull-timeOn-site£81,425 GBP - £116,438 GBP**What 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 … right, from raw data to production model, at a scale that affects hundreds of millions of transactions. Klarna is a big company that still moves like a startup: fast decisions, real ownership, and models that ship. We own the full stack, and expect you to build it with ...

Monzo is seeking a Staff Data Scientist to tackle senior, business-critical challenges with deep technical expertise and strong commercial judgement. The role blends hands-on modelling, experimentation and strategic leadership across data science squads. The position offers relocation support to the UK or Spain, visa ...

LEAD DATA SCIENTIST Security Knowledge Graphs & Cyber AI Lead Experience 10+ years overall; 5+ years in AI/ML or graph analytics Location Flexible/Hybrid Employment Type Full-time Role Purpose Lead the design, engineering, and operationalization of enterprise Security Knowledge Graphs that connect security telemetry, assets … identities, vulnerabilities, threats, controls, and incidents into a trusted intelligence layer. The role is highly hands-on and combines data science, graph engineering, cybersecurity analytics, semantic modeling, and technical leadership to enable attack-path analysis, threat investigation, exposure prioritization, GraphRAG , and AI-assisted security operations. Key Responsibilities Design ...

just believe in better. We make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, Sky Stream to Sky Glass, we never stand still. We optimise … ideas into the products, content and services millions of people love. And we do it all right here at Sky. Role/Team overview Data Science practice at Sky Data science is at the heart of decision making in Sky and drives a majority of decisions across marketing ...

redefining how homeowners find, understand, maintain, and improve their properties using AI. Our platform powers smarter insights for leading banks and insurance companies , combining data science, computer vision, and large language models to create a new standard in property intelligence. We’re looking for a Lead Data Scientist to drive our data science vision — designing, building, and scaling models that turn complex property data into actionable intelligence. You’ll lead the development of patent-pending AI technology that blends computer vision, multimodal learning, and LLM fine-tuning to interpret imagery, documents, and unstructured data ...

LEAD DATA SCIENTIST Security Knowledge Graphs & Cyber AI Lead Experience 10+ years overall; 5+ years in AI/ML or graph analytics Location Flexible/Hybrid Employment Type Full-time Role Purpose Lead the design, engineering, and operationalization of enterprise Security Knowledge Graphs that connect security telemetry, assets … identities, vulnerabilities, threats, controls, and incidents into a trusted intelligence layer. The role is highly hands-on and combines data science, graph engineering, cybersecurity analytics, semantic modeling, and technical leadership to enable attack-path analysis, threat investigation, exposure prioritization, GraphRAG , and AI-assisted security operations. Key Responsibilities • Design ...

Work on complex RF signal data for defence and security applications Interested in national security and the defence sector? This applied AI start-up has proprietary technology around ML modelling for RF signal characterisation and modification. Their solutions have significance for military applications and infrastructure security around drone detection. … They are looking to recruit a Senior Data Research Scientist to take a leading role on their applied RF engineering work and help advance their signal processing pipelines, and ultimately develop next generation prototype technologies. You're likely be a PhD holder in electronics, physics or computer ...

have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Data Scientist within Corporate Sector in Governance and Controls Technology (GCT), you will design and deliver trusted, market-leading products in a secure, stable … strengthen our engineering culture through ownership, continuous improvement, and inclusive collaboration. Job responsibilities Collaborate with cross-functional teams to identify business requirements and develop data-driven solutions using AIML, Agentic/GenAI frameworks in a fast-paced environment. Hands on experience in working on LLMs and agentic frameworks, such ...

innovating, we're working together to set the pace for unlocking new possibilities that better serve the property industry. Job Description: As a Lead Data Scientist at Cotality, you will be the technical authority responsible for solving our most complex predictive modelling challenges. You will guide the technical … strategy for our core data products, which are used by major financial institutions across the UK, and will have the opportunity to make your mark on a new, ambitious data platform. This role is about driving innovation and mentoring a talented team of data scientists to build ...

Atmospheric AI Limited is seeking a data scientist to develop upstream models and datasets that quantify carbon intensity and production pathways for raw materials. You will work with Python, geospatial data, and production-grade tools to validate outputs and support decision making in supply chains. The role … emphasizes rigorous provenance, defensible methodology, and collaboration across data science and product teams in a London-based setup. #J-18808-Ljbffr ...

Howden Group Holdings in London is seeking a Lead Data Scientist to drive production-grade AI/ML solutions across global operations. You will own end-to-end delivery, shaping strategic use cases with business stakeholders and mentoring teams. You will collaborate with data engineering, platform ...

Dark Peak Analytics, now part of Initiate Consultancy, seeks a Senior Health Economist/Data Scientist to develop health economic models, analytical platforms and software for HEOR and decision-support. You’ll apply strong quantitative skills with R and C++ in a fast-paced consulting environment, delivering ...

Register your interest by emailing careers@alcohol.uk and we will contact you when the role is advertised. Alcohol Ltd plans to appoint a Lead Data Scientist to provide the economic data foundation that supports advocacy submissions on tax and regulation, translating complex industry data into clear … structured arguments for Treasury submissions. Expertise in applying data analysis to policy or political advocacy contexts. Proficiency in Python, R, or equivalent. Right to work in the United Kingdom. Disability Confident Committed Level 1 Alcohol Ltd is a Disability Confident Committed employer. We are committed to inclusive recruitment, retention ...

JPMorgan Chase & Co. is seeking an AI & Data Scientist to shape AI-powered workforce analytics and drive impactful business outcomes. You will partner with leaders, product teams, and technologists to create models, evaluate results, and deliver scalable AI capabilities within a regulated environment. The role emphasizes collaboration, hands … analytics, and the deployment of advanced AI techniques to transform workforce data into actionable insights that inform workforce decisions and #J-18808-Ljbffr ...

Fractal Analytics UK Limited in London is seeking a highly analytical senior decision scientist to bridge data science and business operations. You will partner with sales, retail operations, product and marketing to uncover insights that drive performance across our retail channels, including stores, e-commerce and omnichannel … experiences. You will translate complex data into clear insights for senior leadership, build dashboards for real-time KPI visibility, and support growth opportunities, #J-18808-Ljbffr ...

technology? At JPMorgan Chase, you’ll help drive innovation in investment decision‐making and client engagement. You’ll work with advanced analytics, enterprise data platforms, and generative AI solutions that power our global business. We offer career growth, mobility, and the opportunity to collaborate with talented professionals across … firm. Your skills will help us deliver secure, scalable, and measurable solutions for our clients. As an Applied AI & Machine Learning Senior Associate in the Asset Management Data Science Team, you will build the technical foundation for intelligent investor tools. You will design context-management capabilities, develop ...

first year we captured and analysed over 10 million AI answers, and that number is growing fast You'll be the first data scientist, so you'll set how we turn that data into insight rather than inherit someone else's approach Meaningful equity, alongside a salary … help the brands that want to be in those answers get there. The role You will build the GEO playbook from the data, the recommendation engine that puts it in front of customers, and the models that tell them which actions will make the biggest difference. Along ...

Hawk is seeking a Customer Data Scientist in London to work directly with customers on AML and fraud detection models. Tune detectors, perform deep analyses, and present findings to risk and compliance stakeholders. Translate complex results into actionable business value while balancing detection quality with false positives ...

Haleon is building a world-class Global AI & Data Science team to advance marketing, commercial and digital data science solutions. The role focuses on developing, validating and deploying machine learning models, with strong collaboration across product, data engineering and ML engineering teams. You will work … data science pipelines, including data preparation, model selection, performance monitoring and retraining, while contributing to an ethics-driven governance framework. #J-18808-Ljbffr ...

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

Lead Data Scientist/Deep Learning Practitioner About this role Our Data Science team focuses on the development of Machine Learning and Deep Learning solutions, to solve business problems and deliver actionable insights. We are a talented, collaborative and enthusiastic group, who use our expertise to derive … insights from complex data, working in close collaboration with our business partners. This role will focus on leading the development of proprietary deep learning models in order to enhance our existing underwriting capabilities. By utilizing a mix of new and existing data, you will identify ways to improve ...

your data science and AI expertise to work on challenges that strengthen a global firm and create real-world impact. You will help design and deliver transformative AI and advanced analytics solutions that can be adopted at scale. You will collaborate closely with Product, Engineering, and business partners … enjoy turning ideas into resilient products and improving how models perform over time, this role offers meaningful growth and visibility. As an Associate, Data Science in the Data Science team within Risk Management and Compliance, you will explore, pilot, and implement impactful AI solutions in partnership with Product ...

/2026 The purpose of the role is to define, architect and lead delivery of machine learning and AI solutions ͏ London 2 x Data Scientist: Support exploratory data analysis and the end-to-end data science lifecycle Run proofs of concept and prototypes to validate approaches … cases Design, develop, test, implement and monitor models, accounting for internal/external drivers of outcomes Keep up to date with advances in data science, analytics and AI, and advise leadership on maintaining competitive capabilities ͏ Deliver No. Performance Parameter Measure 1. Demand generation Order booking 2. Revenue generation through ...

## Principal Data Scientist & Machine Learning ResearcherApplylocations: Gloucester, South Gloucestershire: Manchester, Lancashire: London, Londontime type: Full timeposted on: Posted 30+ Days Agojob requisition id: 01804570**Date Posted:**2026-02-23**Country:**United Kingdom**Location:**Gloucester, South Gloucestershire**Position Role Type:**Unspecified**Gloucester, London or Manchester****Hybrid role: Must … 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 ...

Alcohol Ltd is seeking a Lead Data Scientist to build the data foundation for advocacy submissions on tax and regulation. You will translate complex industry data into clear, structured arguments for Treasury submissions. Responsibilities focus on applying data analysis to policy contexts, using Python ...