101 to 125 of 224 Senior Data Scientist Jobs in London

Senior Data Scientist (Safety)

Location
Greater London, England, United Kingdom
eligible for Security Clearance (SC) and willing to work on site with our clients from time to time. About the role As a Senior Data Scientist at Faculty, you will lead high-impact AI safety projects and shape the technical direction of upstream evaluation standards. This role … open-source research. Ensuring rigorous scientific methodology and technical best practices are followed across the project lifecycle. Who we're looking for: You possess senior experience in a professional data science role, upstream safety research, or a quantitative academic field with strong experiment design methodology. You demonstrate strong ...

Senior Data Scientist Lead High-Impact AI Projects Hybrid

Location
Greater London, England, United Kingdom
Faculty is seeking a Senior Data Scientist to lead high-impact AI projects within our Energy, Transition and Environment team. You will define data science approaches, design robust software architectures, and mentor junior data scientists while building strong client relationships. You will work on bespoke ...

Senior Data Scientist - AI & Advanced Analytics

Location
City Of London, England, United Kingdom
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 ...

Senior Data Scientist (Imaging)

Location
Greater London, England, United Kingdom
will help define how medicines are discovered and deliver meaningful impact for patients. The opportunity Relation is offering an outstanding opportunity for a Senior Data Scientist to help build the next generation of generative and predictive models of cellular behaviour, with a focus on high-content imaging. … deep interdisciplinary expertise, and a culture that embraces modern ML tooling, including agentic workflows, to accelerate research iteration. The role exists to drive imaging data science: curate training-ready imaging datasets, design evaluation that distinguishes biological signal from technical artefact, interpret foundation-model behaviour on cellular imaging, and provide ...

Senior Data Scientist, Single-Cell Multiomics ML

Location
Greater London, England, United Kingdom
Relation in London is seeking a Senior Data Scientist to build generative and predictive models of cellular behaviour from single-cell multiomics data. You will develop pipelines and analyse large-scale RNA+ATAC data, collaborating closely with wet labs and ML modellers. The role focuses on advanced … data analysis, model evaluation, and cross-disciplinary impact. You will contribute to publications and work in a matrixed, interdisciplinary environment with state-of-the-art datasets and computing #J-18808-Ljbffr ...

Senior Data Scientist — End-to-End ML for Impact

Location
Greater London, England, United Kingdom
Multiverse is seeking a Senior Data Scientist to own end-to-end models that predict learner outcomes, forecast operational demand and optimise resource allocation. You’ll translate business questions into production‐grade ML solutions and work closely with Data Engineers, Insight Analysts and product teams across … business. You’ll build and refine data pipelines, ensure models are robust, and productionise them at scale with CI/CD and secure practices. #J-18808-Ljbffr ...

Senior Data Scientist, Localization Analytics

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: Lead High-Impact AI Solutions

Location
Greater London, England, United Kingdom
Faculty is seeking a Senior Data Scientist to lead high-impact AI projects and shape bespoke solutions for clients. You will mentor junior colleagues, define data science approaches, and ensure delivery rigour while building deep client relationships. You should be fluent in Python (NumPy, Pandas ...

Senior Data Scientist (Single Cell)

Location
Greater London, England, United Kingdom
will help define how medicines are discovered and deliver meaningful impact for patients. The opportunity Relation is offering an outstanding opportunity for a Senior Data Scientist to help build the next generation of generative and predictive models of cellular behaviour, with a focus on single cell multi … infrastructure, and deep interdisciplinary expertise, and a culture that embraces modern ML tooling, including agentic workflows, to accelerate research iteration. You will contribute advanced data analysis and domain expertise to challenge ML models that aim to predict and explain cellular decision‐making in disease. Day to day, you will ...

Senior Data Scientist, Analytics — Localization & ML

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

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

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 ...

Senior Data Scientist - Localization & ML (London)

Location
City of Westminster, England, United Kingdom
Expedia Group is seeking a senior data scientist to advance Localization product analytics within Content Product Analytics. You will partner with cross-functional teams to understand user behavior, run experiments, and build data-driven solutions. The role emphasizes designing ML models at production scale, leading analytics ...

Senior Data Scientist: AI, Retrieval & RAG for Science

Location
Greater London, England, United Kingdom
Elsevier is seeking a Data Scientist III to design, build, and evaluate advanced AI capabilities for LeapSpace and the Search & AI Platform. You will work with senior data scientists, engineers, and domain experts to deliver AI-powered research tools used by researchers worldwide. The role focuses ...

Senior Data Scientist, Payment Intelligence

Hiring Organisation
GoCardless
Location
London, United Kingdom
Salary
£ 120 K
with teams and operations spanning North America, Europe and Asia-Pacific.The roleData sits at the core of our mission. We leverage bank account data to deliver high-value, intelligent payment solutions for our customers, from enhancing payment success rates to driving payer fraud prevention.As a Senior Data Scientist within our Payment Intelligence team, you’ll partner with Software Engineers, Product Managers, and Designers to turn big ideas into reality. You’ll own the full lifecycle of our algorithms, shaping everything from the initial concept to production-ready code that powers our global payment network.At GoCardless ...

Lead Data Scientist

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £95,000 per annum
Lead Data Scientist London - 4x a week The Company They are a fast-growing technology organisation that helps businesses unlock value from complex data through advanced analytics, machine learning, and AI-driven decision-making. Their products support a range of commercial use cases, with a strong focus … delivering measurable business outcomes. As they continue to scale, they are investing heavily in their Data & AI capabilities. The Role Lead, mentor, and develop a team of Data Scientists while defining best practices across the function Design and deploy machine learning models across forecasting, customer segmentation, and propensity ...

Senior Data Scientist: Privacy & Security Risk Modeling

Location
Greater London, England, United Kingdom
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 ...

Senior Data Scientist (Contract) - Industrial AI Models

Location
Greater London, England, United Kingdom
Djinni is seeking a Senior Data Scientist for a London-based, hybrid, 2–3 month contract focused on building a computable model of the global chemicals and materials economy. You will prototype and ship production-ready models, explore complex industrial data, and define evaluation frameworks with ...

Senior Data Scientist (Contract · London)

Location
Greater London, England, United Kingdom
looking for a Senior Data Scientist to join a seed-stage AI project on a full-time contract basis (2–3 months, with possible extension or transition to a permanent role). The project is building a computable model of the global chemicals and materials economy. This ...

Senior Data Scientist - AI Safety & Evaluation Leader

Location
Greater London, England, United Kingdom
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 ...

Senior Data Scientist – Responsible AI & Fairness

Location
Greater London, England, United Kingdom
leading AI assurance company is seeking a Senior Data Scientist to define analytical standards for evaluating high-stakes AI systems. This role involves rigorous statistical analysis and the development of evaluation methodologies. The ideal candidate will have over 6 years of relevant experience and fluency in Python. … Responsibilities include creating consistent audit frameworks and influencing AI design through data-driven insights. The position offers a competitive salary, equity options, and a hybrid work model. #J-18808-Ljbffr ...

London, United Kingdom Deliveroo Senior Data Scientist – Experimentation

Location
Greater London, England, United Kingdom
What Will You Do? As a Senior Data Scientist at Deliveroo, you will design, run and interpret experiments to guide product decisions in complex settings. You will apply advanced causal inference techniques to estimate long-term and heterogeneous treatment effects. Additionally, you will uncover the fundamental drivers ...

Senior Data Scientist – Insights & Experiments

Location
Greater London, England, United Kingdom
Preply in London is seeking a Senior Data Scientist – Insights to build a deep understanding of user behavior and marketplace economics. You will analyze how learners and tutors interact, identify retention levers, and translate findings into product decisions for a subscription‐based marketplace. You will design ...

Senior Data Scientist, AD/ADAS

Hiring Organisation
Woven by Toyota
Location
London, United Kingdom
Salary
£ 70 K
Robotics, and Advanced Driving. We develop advanced Perception and Planning technologies, and their production software for multiple AD/ADAS systems. To deliver reliable data-driven technologies to millions of Toyota vehicles, we are solving complex real-world problems using large-scale data, machine learning, and state … architectures for Perception, Prediction, and Motion Planning.WHO ARE WE LOOKING FOR The team is looking for a strong Data Scientist to drive the creation and deployment of sophisticated data models and algorithms to resolve business challenges for the Autonomy team. You will combine modern data approaches ...

Lead Data Scientist – Energy Domain

Hiring Organisation
Capco
Location
London, United Kingdom
Salary
£ 80 K
Lead Data Scientist – Energy DomainLocation: London (Hybrid) | Practice Area: Data & Analytics | Type: PermanentBuild the models powering the future of energy system planning.The RoleCapco is seeking a Lead Data Scientist to drive the development of core analytical models within the energy sector. This is a hands … leadership role, combining deep expertise in machine learning and time series modelling with the ability to lead teams, shape technical direction and deliver complex data science initiatives from concept through to production.You will be responsible for leading the design, development and optimisation of advanced statistical and machine learning models ...