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British Airways is seeking a Principal Product Data Scientist to join the Operations Delivery Intelligence directorate. You will own production‑grade data science product codebases and lead end-to-end delivery of decision‑support software, applying ML and optimization to real-world airline challenges. You'll collaborate with business stakeholders to define requirements, design robust data pipelines, and drive CI/CD practices while mentoring colleagues and contributing to agile ways of working. #J-18808-Ljbffr

Job DescriptionAbout the roleWe’re looking for an experienced Data Scientist to join our Customer Support team in London, working as part of a team based across London and Budapest. This is an analytical Data Science role with a strong product focus. You’ll use customer, conversational and opera

Job DescriptionWe are hiring a Lead Data Scientist to drive the technical delivery of our most demanding AI engagements and to lead a growing team of data scientists and AI engineers. Company DescriptionTalan Data x AI is a leading Data Management and Analytics consultancy, working closely with lead

As a Lead Data Scientist, you'll shape how millions of trips are turned into risk signals. You'll own behavioural features and algorithms from hypothesis to production, working at the intersection of data science and engineering on GPS, inertial, and other sensor data. Proven track record delivering

The Next Generation Modeling Techniques team is 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 patte

Lead Data Scientist – Loans120,000 Plus 10% BonusRemote Working 2 days per month in the officeThis role is within Sub Prime FintechQuant Capital is urgently looking for a Lead Data Scientist to join our high profile client. Day to day the Lead Data Scientist will:Review all of the firms data in or

Who you are Experience building and deploying machine learning models end to end, from raw data to production Strong feature engineering skills, ideally with transactional or financial data Proficient in Python and SQL, with experience working in AWS environments Solid understanding of classificatio

What you’ll ownPython microservices that run quantitative models in productionMonitoring, alerting, and reliability for real-time pricing and risk systemsShared quant libraries used across multiple servicesCI/CD pipelines, deployment and operational excellenceIncident response and root cause analy

Job-ID: 161d3133-1185-405b-a037-0f5aa14ee60bLocation: LondonSalary: 81425 - 116438 GBPType: Full 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

LI-PRIOAbout the roleAs a Lead Data Scientist, you'll take on a pivotal, entrepreneurial role, functioning as the technical expert who thrives on complexity and commercial impact. Mentoring and developing other data scientists and team members, actively contributing to the growth and technical excel

Day to Day the Lead Data Scientist will: • Manage and Run the Data Science Team • Build a new Data Warehouse • Build out a new set of credit model • Work across the current range of credit models within the business, including scorecards, propensity models, and IFRS9 models • Develop chall

Job DescriptionWe are seeking a talented Lead Data Scientist with expertise in Liquidity management modelling to join our dynamic Treasury team. You will work closely with cross-functional teams to develop data-driven solutions that enhance our liquidity management and operational efficiency. Conduc

Day to Day the Lead Data Scientist will:Manage and Run the Data Science Team Build a new Data Warehouse Build the Data Environment Build out a new set of credit model Work across the current range of credit models within the business, including scorecards, propensity models, and IFRS9 models Develop

Key RequirementsStrong hands on experience in ML model development with extensive experience of Python, SQL, ETL pipelines, PySparkProficient understanding of cloud data solutions and principles with experience of Synapse, Azure Data Lake, Azure Data FactoryProven experience of running a Data Scienc

What you build will have a direct impact on Wise’s mission and the millions of customers who rely on us for fair, transparent pricingAbout the Role: We are seeking a skilled and detail-oriented Data Scientist to help us develop a data-driven approach to pricing strategy and execution in a highly

We're looking for a Lead Data Scientist to help shape the next generation of consumer-level credit scoring and portfolio valuation models. What you'll do As a Lead Data Scientist within credit risk modeling, you will shape Klarna's next-generation consumer-level credit scoring and portfolio valuatio

The role is actually titled as a "Lead", that is due to owning your particular workstream, so you can put your own stamp on things, it is not leading a team however. Some weeks may be one day) You 'll be working on some really interesting initiatives and have the below responsibilities ➡️Lead th

Depending on your experience, this position will be leveled as Senior Data Scientist or Lead Data Scientist. You'll draw on your own experience building models to test whether a model's assumptions, data, and methodology hold up, not just whether its documentation does. You have hands-on experience

About the Role As the Lead Statistical Data Scientist, you'll provide technical leadership for the models, methods and analytical approaches that power Oritain's origin-verification science. You'll mentor and develop other data scientists, help shape how we approach technical challenges, and work ac

Experience with data storage for AI, vector databases, semanticsearch,and knowledge graphs. 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, he

They're looking for someone who brings genuine breadth across underwriting analytics, pricing, and data science, someone who understands how insurance portfolios actually behave and can work credibly with underwriters, not just alongside them. Fraud analytics experience is a plus, as is data enrichm

Pulse Group is seeking a Lead Data Scientist to join a new Data Science capability in London. You will shape how ML drives customer engagement, subscriptions, retention and revenue, processing hundreds of thousands of events per second and petabytes of data.

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 assets, including developing and implementing machine learning models, genAI, and Agentic AI. Together with the AI & Data Architect

Jobtailor in London is seeking a lead data scientist to own end-to-end data initiatives, turning complex data into actionable insights and measurable value for product and customers. You will build robust data pipelines, apply statistical methods, and collaborate with product and customer teams in a

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 assets, including developing and implementing machine learning models, genAI, and Agentic AI. Together with the AI & Data Architect

An innovative tech company in Greater London is seeking a Research Scientist Manager to lead a global team in advancing machine learning and AI research.

Faculty seeks a Senior Data Scientist to lead high-impact AI safety projects within our National Security and AI Safety unit.

A pioneering health technology company in London is seeking a mid-senior level Lead Data Scientist to innovate and lead model development in health AI. You will leverage machine learning to transform cardiovascular disease care by integrating multimodal biomedical data. This is a unique opportunity

Aristocrat Technologies in London is seeking a senior Data Scientist to lead end-to-end data science initiatives, delivering ML solutions that boost player engagement, retention, and monetization. Based in London, the role sits within Product Madness and involves collaboration with Data Engineering,

The Lead Data Scientist is a senior technical leader at CF, responsible for driving data science strategy and innovation in line with company goals. The Lead Data Scientist leads and manages technical components of blended projects, offering oversight, mentorship and quality assurance to junior empl

A leading recruitment firm in the UK is seeking a Lead Data Scientist specializing in biomedical AI. You will lead a talented team applying advanced machine learning to biomedical challenges such as drug discovery and health data analysis. The ideal candidate holds a PhD and has proven leadership in

Faculty in London is seeking a Lead Data Scientist to define the technical direction and ensure high-quality, scalable delivery of our most challenging projects. You will oversee end-to-end delivery, manage risk, and foster close customer relationships while advancing best practices across the data

On is seeking a Principal Data Scientist specializing in personalization and customer algorithms to set the strategic direction for customer modeling across the business. You will lead high-impact initiatives to architect, train, and deploy personalization models that drive measurable value for cust

Senior Operations Research Data Scientist Contract | £600-£900/day | Hybrid London. They are not looking for purely analytical data scientists or academic optimisation specialists. We are working with a major international transport and operations organisation building out a central AI and Data Sc

Wise is seeking a Lead Data Scientist to join the Treasury team, focusing on liquidity management modelling and forecasting. You’ll partner with engineering, product, and risk to deploy robust data-driven solutions, influence decisions, and manage liquidity risk in a fast-growing global business.

HM Treasury's NISTA Data & Insight team seeks a Senior Data Scientist to lead analytics products, including Python Plotly Dash apps, Next. You will guide teammates, share best practices, and help shape data-driven decisions across government.

As a Lead Data Scientist, you'll shape how millions of trips are turned into risk signals. You'll own behavioural features and algorithms from hypothesis to production, working at the intersection of data science and engineering on GPS, inertial, and other sensor data. Proven track record delivering

A leading insurance firm is seeking a Lead Data Scientist to develop and implement telematics models to improve pricing and risk management. This role involves collaboration with various teams and mentorship of junior data scientists. The ideal candidate will have proven experience in data science w

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 rel

Harnham in Central London is seeking an experienced Lead Data Scientist to own and deliver high‑impact ML and analytics projects while mentoring a growing team in a hybrid setup.

You’ll sit within Cleo’s Data organization – a 60‑person team of Analysts and Data Scientists who partner across product and growth. That means trying new things, leading others, challenging the status quo and owning your impact. Lead Marketing Analyst (CRM, Organic, Brand).

Harnham, a leading data and analytics recruitment firm, is recruiting a Lead Data Scientist for their London hybrid operation. You will head a team of data scientists, shape best practices, and drive production-ready ML solutions. The role focuses on forecasting, segmentation, and propensity modelli