101 to 125 of 271 Senior Data Scientist Jobs in the UK

Senior Data Scientist, AI Product Analytics

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Synthesia is seeking a Senior Data Scientist (L5) to join our Product Data team. You will work at scale with unstructured conversation data to uncover patterns that inform the product roadmap, driving adoption and retention. This is hands-on analytics, not infra work. The role ...

Senior Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
enterprises to enable the responsible adoption of AI worldwide. Read why Playfair Capital invested in Warden AI. About the role We are hiring a Senior Data Scientist to define the analytical standards that underpin our evaluation of high‐stakes AI systems. The role spans fairness evaluation, rigorous … place in us, and play a central role in establishing Warden as the standard‐setter for rigorous, defensible evaluations. As one of our early data hires, you will have high agency to shape both how our analytical function evolves and the scope of your own role as we grow. ...

Senior Data Scientist — AI Conversation Insights (Remote)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Synthesia Limited is seeking a Senior Data Scientist (L5) to join our Product Data team. You will work with product analysts to understand how users engage with AI-native features through conversation and interaction data, shaping product decisions at scale. You’ll build semantic frameworks … analyse large messy text data, and design experiments to drive adoption, retention and cost efficiency. Exceptional candidates may join at Principal level to guide analytics strategy. #J-18808-Ljbffr ...

Senior Data Scientist, Product Conversation Analytics

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Synthesia, the world’s leading AI video platform, is hiring a Senior Data Scientist (L5) to join the Product Data team. You will analyse unstructured conversation data at scale to uncover patterns that drive product decisions and improve adoption, retention, and cost efficiency. You will ...

Senior Data Scientist - Hybrid (2 days in office) & Azure ML

Hiring Organisation
Jobleads-UK
Location
Slough, England, United Kingdom
MECS Communications Ltd is recruiting a Senior Data Scientist to join its UK data science team. Hybrid role with two days in the office, location options Welwyn Garden City or Slough. You will design, build and deploy enterprise-scale data science solutions using Python ...

Senior Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
have an annual web content reach over 350million. And we’re a long way from done! THE ROLE We're looking for a Senior Data Scientist to join our award-winning Data Science team at a pivotal moment. Carwow operates a two-sided marketplace — connecting … buyers and sellers at scale — and data science sits at the heart of how we make that marketplace smarter, faster, and more valuable for everyone in it. In fact, we recently won GenAI initiative of the Year at the British Data Awards. This is a hands‐on, high ...

Senior Data Scientist, Analytics — Localization & ML (London, Hybrid)

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
Expedia Group is seeking a Senior Data Scientist, Analytics, to empower the Localization product with data-driven insights. You will partner with cross-functional teams to understand user behavior, run experiments, and apply statistics to improve engagement and bookings. You will develop production ML/… models, design end-to-end data pipelines, and mentor peers while collaborating with Product and engineering leadership to shape roadmap through data storytelling. #J-18808-Ljbffr ...

Senior Data Scientist, Growth & Measurement

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
Role Responsibilities As a Senior Data Scientist, you'll help shape some of Western Union's most important growth and investment decisions by uncovering what truly drives customer growth, profitability, and long-term value. Partnering across Marketing, Product, Pricing, and Risk, you'll design experiments, build measurement … with stakeholders and help raise analytical, measurement, and experimentation standards across the business. Role Requirements Bachelor's degree in Statistics, Mathematics, Economics, Computer Science, Data Science, or a related quantitative discipline. 4–6 years of experience in Data Science, Product Analytics, Marketing Analytics, Growth Analytics, or a similar ...

Senior Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Aldgate, London, Hybrid (3 Days in office) We’re looking for a smart and ambitious data scientist, with real entrepreneurial flair to join our team and understand our members and all the metrics that matter. Love numbers and love being commercial? This role presents an opportunity to mold … future of the data science team, explore new ideas and new technologies. Muzz is the world’s largest Muslim dating and marriage app. We’ve got over 15 million members and have helped more than 800 000 couples get married. Day to day You’ll be joining a dynamic ...

Senior Data Scientist — GenAI & ML for Marketplace Impact

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Carwow Group is seeking a Senior Data Scientist to join a high‐impact Data Science team. You will lead end‐to‐end ML/AI initiatives across Commercial, Marketing, Product, Finance, Engineering and Operations to deliver robust, production‐ready models at scale. The role focuses ...

Senior Data Scientist – Personalisation & GenAI Lead

Hiring Organisation
Jobleads-UK
Location
England, United Kingdom
Marks & Spencer Plc is seeking a Senior Data Scientist for the Recommendations team within Customer Data Science. You will build personalised product recommendations, outfit suggestions, and AI Stylist conversational experiences to engage millions of customers. You will design, productionise, and optimise ML/GenAI systems, handling ...

Senior Data Scientist AI Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Type Permanent Target Openings 1 What Is the Opportunity? Here's what you'll be doing: At Simply Business, we're putting AI and Data Science at the very heart of what we do. We are looking to unify our technical vision, and we need an experienced, pragmatic Staff … Data Scientist to join us. Your mission will be to enable our wider team to deliver real-world value-and do it quickly. What makes this role different? You aren't just building models in a vacuum; you're the bridge between Data Science and MLOps. ...

Senior Data Scientist - Workday Products

Hiring Organisation
Jobleads-UK
Location
United Kingdom
diverse, ambitious team that celebrates creativity and collaboration. Ready to make your mark? Join us and be part of something bigger. As a Senior Data Scientist within Kainos’ Workday Products division , you'll be responsible for developing high quality AI and ML solutions for our fast growing … Experience: Advanced degree (MSc or PhD) in a quantitative field like Computer Science, Machine Learning, Operational Research, or Statistics. Proven track record of delivering data science projects, especially in enterprise software or SaaS environments. Basic familiarity with CI/CD pipelines and MLOps practices, including automated testing, model versioning ...

Senior Data Scientist - Workday Products

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
Salary
£90,000
diverse, ambitious team that celebrates creativity and collaboration. Ready to make your mark? Join us and be part of something bigger. As a Senior Data Scientist within Kainos' Workday Products division , you'll be responsible for developing high quality AI and ML solutions for our fast growing … Experience: Advanced degree (MSc or PhD) in a quantitative field like Computer Science, Machine Learning, Operational Research, or Statistics. Proven track record of delivering data science projects, especially in enterprise software or SaaS environments. Basic familiarity with CI/CD pipelines and MLOps practices, including automated testing, model versioning ...

Hybrid Senior Data Scientist — Insurance Analytics & ML

Hiring Organisation
Jobleads-UK
Location
Haywards Heath, England, United Kingdom
Central is seeking a Senior Data Scientist to join a high‐performing team focused on turning complex data into actionable insights and delivering innovative solutions that drive business value and strategic decision‐making. You’ll work with large and diverse datasets, spanning structured and unstructured formats ...

Senior Data Scientist, Localization Analytics

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Expedia Group in London is seeking a senior data scientist to advance the Localization product within Content Product Analytics. You will partner with cross-functional teams to understand user behavior, design experiments, and apply causal inference to guide product decisions. You will develop ML models, build scalable … data pipelines and dashboards, mentor teammates, and ensure responsible AI practices while influencing roadmaps through data storytelling. #J-18808-Ljbffr ...

Senior Data Scientist

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Data Scientist London or Leicester (2 days per week) Join a growing Data Science team where you'll build machine learning solutions that directly influence customer engagement, retention, and commercial performance. This is a highly visible role with significant stakeholder exposure and the opportunity to work … Product, Marketing, Finance, CRM, and Commercial teams to solve business problems Translate complex analysis into actionable recommendations for stakeholders Your Skills & Experience Strong commercial Data Science experience in customer, marketing, ecommerce, loyalty, or subscription environments Advanced Python and SQL skills Experience building predictive models and deploying data-driven ...

Senior Data Scientist – Hybrid/Remote-Friendly Healthcare AI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
HeliosX is seeking a Senior Data Scientist to shape the future of personalised digital healthcare. You will build and deploy advanced recommendation and predictive models on real-world clinical data, driving patient outcomes and engagement. You’ll collaborate with Product, Clinical teams, and Engineering to implement … data-driven features at scale. The role requires 3+ years embedded with product teams, strong ML/healthcare analytics experience, and a track record of translating insights into #J-18808-Ljbffr ...

GenAI & ML Generalist Senior Data Scientist

Hiring Organisation
Jobleads-UK
Location
United Kingdom
LexisNexis Risk Solutions is seeking a Senior Data Scientist II to lead GenAI and machine learning projects across the business. You will design, build, and deploy AI/ML solutions touching product, sales, finance, marketing, and engineering. You will own end-to-end lifecycle, from ideation … deployment, experimentation, and monitoring, working with data engineers and stakeholders to deliver measurable impact across a global organization. #J-18808-Ljbffr ...

Senior Data Scientist — AI for Operational Excellence

Hiring Organisation
Jobleads-UK
Location
Salford, England, United Kingdom
seeking a Senior Data Scientist to join its AI Squad in the Technology division. You will design and deploy innovative solutions, working across projects to turn data into actionable insights that improve roadside operations and customer experience. You will collaborate with cross-functional teams ...

Senior Data Scientist, Localization Analytics

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Expedia Group is seeking a Senior Data Scientist for Analytics to advance localization analytics within Content Product Analytics. The role emphasizes understanding user behavior, experimentation, and causal inference to inform product decisions. The successful candidate will design ML/NLP models, build scalable data pipelines ...

Senior Data Scientist – Hybrid | Remote-Ready & Flexible

Hiring Organisation
Jobleads-UK
Location
Hatfield, England, United Kingdom
Ocado Group is seeking a Senior Data Scientist in Hatfield on a hybrid basis for a 12-month FTC. The role focuses on reducing order damages and improving NPS by consolidating data sources, bridging gaps, and applying advanced statistics and ML. You will deliver insights … guide operational investments and strategic decisions. You will work with cross-functional teams to scope, plan, and deliver outputs, mentoring junior data scientists and communicating results to stakeholders. #J-18808-Ljbffr ...

Senior Data Scientist, Analytics — Localization & ML

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Expedia Group is seeking a senior data scientist to provide analytics and decision support for the Localization product within Content Product Analytics. You will partner with cross-functional teams to understand user behavior, design experiments, and apply statistics and causal inference to drive product decisions. The role … involves building scalable data pipelines, mentoring teammates, and safely integrating AI/ML solutions at production scale. London-based with in-office presence required. #J-18808-Ljbffr ...

Senior Data Scientist – Growth & Causal Measurement

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Western Union is seeking a Senior Data Scientist, Growth & Measurement, to lead experimental design and analysis in a fast-paced, data-driven environment. You will design and analyze A/B tests, holdouts, and geo experiments; build robust measurement frameworks for incrementality and key business metrics ...

Senior Data Scientist — RAG & Retrieval Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Elsevier is seeking a Senior Data Scientist I to lead the development and evaluation of advanced search and generative AI systems. You will own complex problems end-to-end, drive rigorous evaluation practices, and shape the technical direction of retrieval and RAG systems. You should have deep … hands-on experience in search/retrieval, RAG pipelines, and evaluation frameworks, operating as a senior individual contributor with growing technical leadership responsibilities. #J-18808-Ljbffr ...