301 to 325 of 359 Data Scientist Jobs in London

Senior Data Scientist – Insights & Experiments

Hiring Organisation
Jobleads-UK
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 ...

Client-Facing AI Data Scientist — LLM Solutions

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Hamilton Barnes Associates Limited is seeking a Customer-Facing AI Data Scientist to lead LLM-driven engagements for enterprise clients. You will architect training pipelines, fine-tune models, and translate client needs into actionable technical plans, partnering with sales and delivery teams to ensure commercially viable outcomes. ...

Senior Data Scientist – Telematics

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Develop best-in-class machine learning models to predict claims outcomes, fraud, and other risk KPIs Develop novel features from raw telematics data Collaborate with ML Engineers to deploy machine learning models Monitor deployed models and link performance to commercial and customer outcomes Present work to Operational and Commercial … stakeholders Explore new technologies and contribute to team best practices Turn telematics data into underwriting advantage and improve risk selection at quote and in-life stages Work within the Telematics Data Value team of data scientists, analysts, and engineers Requirements Proficiency in Python Experience with machine learning ...

Frontline Data Scientist — Personalization at Scale

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Braze is hiring for a Forward-Deployed Data Scientist to design and deploy end-to-end ML solutions powering personalized experiences for global brands. You’ll own data-to-model deployment, work with clients, and guide cross-functional teams in a fast-growing environment. The role emphasizes ...

Data Scientist, Retrieval & Agentic Systems — Hybrid London

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
Kharon is seeking a full-time Data Scientist for Retrieval & Agentic Systems based in London. You will own Corestream and evolve semantic search, leveraging BM25, vector search, RAG, and RDF-like pipelines. You will integrate risk outputs into search and drive narrative generation, collaborating with Product and Engineering ...

Data Scientist: ML for Optimal Debt Recovery (Hybrid)

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
Murphy AI, a UK-based AI voice recovery platform, is seeking a Data Scientist to build the ML brain that decides who to contact, when, and how often, while respecting legal limits. You own the data problem and shape models behind every agent interaction. You'll collaborate ...

Growth Data Scientist: End-to-End Funnel Owner (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Lovable is building a London-based growth team and is seeking a data scientist to own the growth funnel end to end. You will identify levers, run experiments, and work directly with growth engineering to ship changes into the product. You’ll drive the numbers rather than provide ...

Transport Data Scientist: Modelling & Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
United States Digital Space LLC in London is seeking an experienced Data Scientist with strong software engineering skills to join our Transport Modelling and City Modelling Lab. You will work on agent-based and activity-based modelling, building scalable software, and deploying cloud-based infrastructure. You’ll collaborate … across multidisciplinary teams in the UK and internationally. The role emphasizes data-driven problem solving, rigorous testing, and mentoring colleagues, with a culture #J-18808-Ljbffr ...

Senior Data Scientist - Product Analytics

Hiring Organisation
Intercom
Location
London, United Kingdom
Salary
£ 80 K
core values, we push boundaries, build with speed and intensity, and relentlessly deliver incredible value to our customers.What's the opportunity? The Research, Analytics & Data Science (RAD) team at Fin use data and insights to drive evidence based decision-making. We're a team of data scientists … product researchers who use data — both big and small — to unlock actionable insights about our customers, our products and our business. We generate insights that build customer empathy, drive product strategy and shape products that deliver real value to our customers. If you get really excited about asking ...

London, United Kingdom Preply Senior Data Scientist – Insights

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
reached unicorn status with a $150M Series D and connects over 100,000 tutors teaching 90+ languages to learners in 180 countries. The Data Team sits at the heart of every decision, running hundreds of A/B tests to optimize the product amid the complexities of a subscription … based marketplace. What Will You Do? As a Senior Data Scientist – Insights at Preply, you will develop a deep understanding of user behavior and marketplace economics to uncover insights that shape product strategy. You will analyze customer behavior to drive retention and communicate findings effectively to stakeholders across ...

Senior Data Scientist and Marketing Effectiveness (MMM)

Hiring Organisation
Ekimetrics
Location
London, United Kingdom
Salary
£ 60 K
LondonLondon – Data Science & AI/Full Time Contract/HybridSenior Consultant/Analyst Data Science & Marketing Effectiveness - 2026Ekimetrics is a global leader in Marketing Effectiveness and AI-powered solutions. Since 2006, we’ve been helping businesses optimise marketing and operations by combining AI with business and tech expertise … sustainability.With a full in-house team and offices in Paris, London, New York, Hong Kong, and Shanghai, we deliver tailor-made solutions that turn data into real positive impact, leveraging our unique combination of technology and services.We excel at delivering AI impact at scale. Our mission is to harness ...

London, United Kingdom Western Union Senior Data Scientist, Growth & Measurement

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
focuses on growth and measurement, partnering across marketing, product, pricing, and risk to drive key investment decisions. What Will You Do? As a Senior Data Scientist, Growth & Measurement at Western Union, you will design and analyze A/B tests, holdouts, and geo experiments to evaluate initiatives ...

Data Scientist

Hiring Organisation
Liberty Global
Location
London, United Kingdom
Salary
£ 70 K
infrastructure, including strategic stakes in companies like Plume, ITV, Lions Gate, Univision, the Formula E racing series and several regional sports networks.JOB PURPOSEApply advanced data science, machine learning, AI/Gen-AI, and predictive analytics to drive technology decisions. Your work will support due diligence, market analysis, competitive intelligence … strategic roadmap development through sophisticated modelling, performance analysis, and forecasting.KEY ACCOUNTABILITIESData Analytics & Strategic InsightsCreate technology strategy data and AI frameworks, building advanced analytical models to support decision-making across Liberty GlobalBuild Gen-AI native products and services for across the groupDevelop data aggregation, correlation, and visualization capabilities ...

Data Scientist

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 70 K
What you'll be doing:Partner with business stakeholders to identify and prioritise opportunities where data science can deliver measurable value.Collect, clean, and transform structured and unstructured data from multiple internal and external sources.Develop, test, and deploy predictive models and machine learning algorithms to address business challenges.Conduct exploratory … data analysis (EDA) to uncover trends, patterns, anomalies, and key drivers.Communicate insights and recommendations through clear storytelling, visualisations, and dashboards.Collaborate with engineering teams to productionise models and ensure reliability, scalability, and ongoing performance.Evaluate model accuracy and effectiveness, implementing continuous optimisation and tuning.Stay up to date with emerging data ...

Power Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
focus on wind and solar generation. Building, automating and maintaining forecasting pipelines to ensure accurate, reliable and timely model outputs for traders. Collaborating with data engineering teams to onboard new data feeds, monitor data quality and continuously improve model performance. Analysing power market fundamentals and incorporating … technical modelling support to analysts and key stakeholders. You will need to have the following: A PhD or equivalent advanced qualification in Machine Learning, Data Science, Statistics, Mathematics or another quantitative discipline. Experience building and deploying production-grade machine learning models, with a solid understanding of MLOps ...

Product Data Scientist

Hiring Organisation
Checkout.com
Location
London, United Kingdom
Salary
£ 70 K
alongside product managers, designers, and software and analytics engineers to influence the strategy of our Operations and Compliance products.You'll be backed by Senior Data Scientists, Analytics Engineers, and Data Product Managers as you grow your practice.The roleYou'll work across two connected domains:AML Transaction Monitoring … tools save time, and mine support conversations to show product teams what to build next.You'll define how we measure product success, shape what data we collect, build the frameworks that turn it into insight, and surface opportunities to improve the product.What you'll doMeasure impact — build frameworks ...

Senior Manager, Data Scientist for People Analytics

Hiring Organisation
Lego
Location
London, United Kingdom
Salary
£ 70 K
DescriptionAre you ready to partner up with our business and deliver data-driven people insights to benefit decision-making Our People Planning & Analytics team is looking for a new colleague who wants to contribute with solid experience in data analysis, statistical modelling and machine learning to contribute towards … forecast future talent needs, attrition rates, and identify potential recruitment challenges.Collaborate with HR and recruitment teams to identify opportunities for process optimization through data-driven recommendations.Analyze end-to-end recruitment workflows to improve efficiency, reduce time-to-fill, and enhance candidate experience.Communicate findings and insights in a clear ...

Data Scientist – Incremental Player Value

Hiring Organisation
Sony Interactive Entertainment America
Location
London, United Kingdom
Salary
£ 60 K
create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity.Department Overview:At PlayStation, Data Science plays a critical role in shaping how we invest in, retain, and delight our global player base. The CLV team focuses on understanding the drivers of long … value and quantify their causal impact.Apply techniques such as propensity score matching, difference-in-differences, causal forests, and broader synthetic controls where appropriate.Collaborate with data scientists, analysts, and engineers to operationalise causal insights and embed them into decision-making processes.Translate complex analyses into clear and actionable recommendations for both ...

Senior/Lead Data Scientist -Credit & Finance Model Validation

Hiring Organisation
Klarna
Location
London, United Kingdom
Salary
£ 80 K
validation of credit risk (e.g., underwriting and limit management), finance (provisioning, offloading, profitability), and other models, rigorously reviewing and challenging all aspects: conceptual soundness, data integrity, feature engineering and selection, training and testing, regulatory compliance and fairness, documentation, deployment, monitoring and business impact. Independently replicate the model development process … where necessary and conduct challenger analyses. Collaborate closely with first-line data scientists, machine learning (ML) engineers, and product stakeholders to understand models’ business context and ensure transparent communication of model risks and validation findings. Provide actionable recommendations and formally document validation outcomes in line with internal model governance ...

Data Scientist (Electromagnetic Environment)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
empower operational readiness and elevatesituational awareness across diversedomains—including air, maritime, and space. Position Summary In this role, you will apply machine learning, data science, and advanced analytical techniques to complex challenges across the electromagnetic environment. Working within Metrea’s Decision Science Laboratory (DESLAB) and automated Solution Engine … technical solutions, working closely with cross-functional teams across decision science, electromagnetic simulation, waveform design, engineering, operations, hardware, and aerial systems Apply machine learning, data science, and RF-aware analytical techniques to electromagnetic, problem sets, including spectrum classification, emitter detection, anomaly detection and signal characterisation Explore and develop modern ...

Principal Data Scientist & Machine Learning Researcher

Hiring Organisation
Raytheon
Location
London, United Kingdom
Salary
£ 80 K
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 … group, support with customer and stakeholder engagement and deliver technical solutions on internal and external projects.Skills and Experience RequirementsBSc in Machine Learning, Data Science, Computer Science, Mathematics or related field.Multiple years experience of delivering novel ML solutions to customers and internal stakeholders.Excellent coding practice using Python and associated ...

Senior Product Data Scientist/ Product Data Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 per day
They are a consumer-focused digital business with a large and engaged user base. The organisation is investing heavily in growth, customer experience, and data-driven decision making. The analytics function is expanding to support product, marketing, and commercial teams across a range of strategic initiatives. The Role … Strong experience in Product Analytics within a digital product, marketplace, e-commerce, or consumer platform environment. Hands-on expertise in SQL and dbt for data transformation and analysis. Proven experience designing and evaluating experiments, including A/B testing and impact assessment. Experience creating and defining product or commercial ...

Data Scientist - Defence

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
London, Greater London, England, United Kingdom · Data Science C3 AI (NYSE: AI), is the Enterprise AI application software company. C3 AI delivers a family of fully integrated products including the C3 Agentic AI Platform, an end-to-end platform for developing, deploying, and operating enterprise AI applications … Generative AI, a suite of domain-specific generative AI offerings for the enterprise.Learn more at: C3 AI As a member of the C3 AI Data Scienceteam ,you will work with some of the largest companies on the planet helping them build the next generation of AI-powered enterprise applications ...

Data Scientist - Payment Success

Hiring Organisation
Checkout.com
Location
London, United Kingdom
Salary
£ 70 K
just getting started.How you’ll make an impactDeliver expertise and guidance to our key merchants by crafting optimal payments strategy.Conduct deep-dive exploratory data analysis to uncover insights and anomaliesConduct experiments and A/B tests to improve performance, including ML based solutions.Develop cutting-edge automation tools aimed … Fintech or Consultancy, using analysis to make business recommendationsA huge advantage if you have previous experience working as Payment Analyst/Expert Data driven approach, by clearly defining success metrics and measuring progress against themSQL/Python knowledge to extract & analyse large data from our Data WarehouseGood ...

Senior/Lead Data Scientist -Fraud

Hiring Organisation
Klarna
Location
London, United Kingdom
Salary
£ 80 K
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 production model, at a scale that affects hundreds … demanding problem spaces at Klarna. You will build best-in-class machine learning systems from the ground up, owning the complete pipeline from raw data through feature engineering, model design, training, and real-time production deployment. A central part of this role is converting some of Klarna's existing ...