51 to 75 of 204 Senior Data Scientist Jobs in London

network effect. Customers want to promote working with Warden because it helps them win their own deals. About the role We're hiring a Senior Applied Scientist/Data Scientist to run highly defensible bias audits of high-stakes AI systems, used everywhere from startups … regulators, courts, customers and candidates, and the methodology behind them has to hold up. The role spans AI system evaluation, rigorous statistical analysis, synthetic data generation, and an applied understanding of hiring and selection procedures. You'll join a team with deep expertise in behavioral and social sciences, evaluation ...

Trainline plc is seeking a Senior Data Scientist to join the Data Science & Analytics team in a hybrid role. You will be embedded with Trainline Partner Solutions (TPS) to influence product strategy and drive measurable impact through experimentation, advanced analytics, and ML techniques. Collaboration with data ...

Hims is seeking a Senior Data Scientist to drive production‐ready ML solutions that impact business outcomes. You will translate complex data challenges into scalable models, spanning data extraction, feature engineering, experimentation, and deployment. You will work closely with Product, Engineering and Marketing to optimize ...

Google is seeking a Senior Data Scientist in London to design statistical, ML, and AI tools for reliability infrastructure. You will influence engineering priorities and work with the Platform Reliability Engineering organization on change supervision and rollouts. You will collaborate with engineering and product teams, build data pipelines, and gain deep knowledge of data assets to shape roadmaps. This role emphasizes impact on Google Cloud Platform reliability and data-driven decisions. #J-18808-Ljbffr ...

Syngenta Crop Protection seeks a Senior Data Scientist – Predictive Science to develop ML and predictive modelling approaches guiding discovery and development of Crop Protection solutions. You will connect diverse scientific datasets with business decisions, collaborating with multidisciplinary teams in an international research environment. The role offers autonomy … high-impact challenges, shaping data strategy, and mentoring junior data scientists, with strong emphasis on robust validation #J-18808-Ljbffr ...

Hims & Hers is seeking a Senior Data Scientist to drive technical execution within our data organization. You will translate complex business challenges into scalable data products and machine learning models with high autonomy. You will collaborate with Product, Engineering and Business stakeholders to optimize operations ...

Made Tech is seeking a Senior Data Scientist (SC cleared) to join the Technology department across UK office hubs. This permanent role combines hands-on data science with client-facing consultancy to help public sector clients use data and AI responsibly. You will work with … Python, ML and NLP, design and evaluate AI solutions, mentor colleagues, and contribute to building maintainable data services. The role requires SC clearance and UK residency; salary range is £49,500–£75,000 per year. #J-18808-Ljbffr ...

embrace change and thrive in it. Loyalty – We stand by each other and our mission. Job Summary About the Role Movar is seeking a Senior Data Scientist who combines analytical rigour with creative problem-solving. You will work at the intersection of traditional data science … modern AI, developing solutions that help our clients across infrastructure, utilities, and defence turn complex data into actionable intelligence. You will be hands‐on in building Generative AI applications, deploying Retrieval‐Augmented Generation (RAG) architectures, and shaping the next generation of data‐driven tools within Movar's innovation ...

travel is data. We slice it, we dice it, and we use it to empower our decision making. What You will do: As a Senior Data Scientist on our experimentation team you will work across a range of product areas, acting as the partner that Product … evidence doesn't support it. Raise technical quality in the teams you work with by reviewing experiment designs and analyses, and mentoring less experienced data scientists. Skills & Experience: Experience: Extensive experience in data science or a similar quantitative role, with a proven track record of supporting and influencing ...

Lead Statistical Data Scientist Department: Data Science & Analytics Employment Type: Permanent - Full Time Location: London Reporting To: Director, Data Science & Analytics Description Oritain is a global leader in forensic origin verification of products and raw materials. With offices in Auckland, Dunedin, London, Paris, Singapore and Washington … vision is to be the source of truth in global supply chains. Through our proprietary methodology, our mission is to harness cutting edge science, data, and specialized services to create a community of origin verified buyers and suppliers, protecting our people and planet. We empower the world’s leading ...

Please note visa sponsorship is not currently available for this position. We are looking for a Senior Full Stack Data Scientist to join our Data & Analytics team at ClearScore. Data Scientists play a key role in our business, driving strategy and decision-making … Targeting team. Working to enhance the ClearScore user experience through improved dynamic content targeting and prioritisation, you will take end-to-end ownership of data science and machine learning solutions across a variety of use cases, business areas, and markets. Your contributions will directly support the Global Targeting mission ...

Trainline is seeking a Senior Data Scientist to own investigations spanning search, supply and commerce, working with detailed datasets and linking data sources to support cross‐functional projects. You will collaborate with Data, Product, Engineering and Commercial teams to translate insights into actionable improvements that ...

Expedia Group seeks a Senior Data Scientist, Analytics, to drive localization analytics across the Content Product Analytics domain. You will design and deploy advanced ML models, lead A/B experiments, and translate multilingual data into actionable insights for product and leadership. Maintain scalable pipelines … mentor peers in a fast-paced, data-driven environment. You will collaborate across teams to ensure production-grade solutions, ethical AI use, and strong storytelling to influence #J-18808-Ljbffr ...

PureGym Ltd. is seeking a Senior Data Scientist to lead spatial analytics from concept to production, shaping decisions on where to grow and how gyms fit within communities. You’ll work across the Data & Analytics team in London, with hybrid work between home and office. … drive models for retention, pricing, and estate performance, translating commercial questions into rigorous analyses and delivering clear, actionable recommendations to senior stakeholders. #J-18808-Ljbffr ...

Bank of England in Leeds is seeking a Senior Data Scientist within Advanced Analytics to develop ML/AI solutions and prototype robustly. The role focuses on informing policy through cutting-edge data science. The AA team applies generative AI, NLP, agent-based models and network … analytics, encouraging collaborative problem solving and scalable deployments across the Bank's data platform. #J-18808-Ljbffr ...

LexisNexis Intellectual Property Solutions seeks a Senior Data Scientist to own end-to-end AI analytics from problem framing to deployment. You will build scalable data pipelines, apply ML and generative AI techniques, and collaborate with product, analytics, and engineering teams to deliver measurable business value. … will translate questions into analytics, evaluate outcomes, and communicate findings to stakeholders while maintaining data quality and reproducibility. #J-18808-Ljbffr ...

Zilch is seeking a Senior Data Scientist to join the Risk team. You will build and optimize production-grade models for credit risk, collections and fraud, using diverse data sources to improve risk outcomes and customer experience. You will own end-to-end ML pipelines, deploy … monitor models, and partner with product, risk, engineering and analytics teams to drive data-driven decisioning and business growth. #J-18808-Ljbffr ...

between more people, making the online shopping experience seamless and accessible to everyone. THE TEAM ~110 people, more than half in engineering, product and data 45+ advanced degrees across computer science, mathematics and operations research Thousands of data points captured, calculated, analysed and predicted for every single parcel … Thousands of them, made every single day. Good decisions have fast and meaningful impact across the entire Relay Network. We’re hiring for a Senior Data Scientist to build the intelligence that informs and defines how we make pricing decisions at Relay. This is a senior ...

relaytech.co is looking for a Senior Data Scientist to develop intelligence for pricing decisions in their last-mile marketplace. This senior role involves collaborating with scientists and engineers to analyze and define pricing strategies while making impactful decisions every day. Located in Shoreditch, the office ...

Trainline is seeking a Senior Data Scientist to be embedded within Trainline Partner Solutions (TPS), the B2B arm delivering rail travel solutions across the UK and Europe. You will influence product and business outcomes through data-driven insights, experimentation, and strategy for the product team. With ...

Future Health is seeking a Senior Data Scientist specializing in privacy, security and risk modelling to design and scale data-driven controls protecting participants while enabling research. You’ll develop discloser controls for triage of outputs, assess privacy risk across datasets and models, and collaborate with ...

GEOLYTIX in the United Kingdom seeks a Senior Data Scientist to lead advanced modelling across sectors. You will own end-to-end modelling—from gravity models to regression and machine learning—while translating insights into client-ready solutions with strong QA. You’ll work with SQL-heavy … data pipelines, Python/R/Scala, and GIS tools, collaborating with remote global teams. Flexible, full- or part-time options and work-from-home days are considered. #J-18808-Ljbffr ...

Croud is seeking a Senior Data Scientist to join its Global Analytics team in London, working in a hybrid model (3 days in the office). You will apply advanced ML techniques, develop analytics solutions for top brands, and collaborate with clients and engineers to deliver measurable ...

Kharon is seeking a Senior Data Scientist, Agentic Systems, for a hybrid London-based role. You will build and deploy AI agents to interpret geopolitical and financial signals, connecting agents to sources via web access, APIs, and knowledge graphs. You will design agentic workflows, prototype rapidly with ...

Kharon is seeking a London-based Senior Data Scientist for Agentic Systems, joining an Engineering team in a hybrid setup. The role focuses on building autonomous AI agents, retrieval pipelines, and production-grade APIs using AWS, Docker, and Kubernetes. 3-days per week on-site in London ...