201 to 225 of 401 Data Scientist Jobs in London

AI-Driven Data Scientist Intern: Build & Clean Datasets

Location
Greater London, England, United Kingdom
Arct a L is seeking a data-driven individual for a hands-on Data Scientist role in Greater London. You will validate data outputs and use AI tools like Claude Code and Cursor to process and clean financial datasets. This role offers real responsibilities from … opportunities to improve processes and work directly with clients. Candidates should be detailed-oriented and fluent in Python and AI coding tools, ensuring high data quality. #J-18808-Ljbffr ...

Senior Data Scientist, Experimentation

Location
Greater London, England, United Kingdom
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 and Engineering teams rely … 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 ...

Senior Applied Data Scientist - AI Fairness & Compliance

Location
Greater London, England, United Kingdom
Warden AI is hiring a Senior Data Scientist/Senior Applied Scientist to run highly defensible bias audits of high-stakes AI systems, used from startups to enterprises. You’ll join a team with expertise in behavioral and social sciences, evaluation methodology, and structured bias testing, reporting ...

Hybrid Data Scientist: Customer Insights & Personalisation

Location
City Of London, England, United Kingdom
Travel Corporation is hiring a Data Scientist in London to apply advanced analytics and machine learning on customer, booking, digital and behavioural data. You will work across segmentation, propensity, personalization, retention forecasting and CLV, translating analytical work into business actions. You will sit with a growing data science team, collaborating with data engineers, analysts and product teams to deliver measurable outcomes while upholding responsible AI practices and #J-18808-Ljbffr ...

Lead Data Scientist

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
world's money. For everyone, everywhere. More about our mission and what we offer . Job Description We are seeking a talented Lead Data Scientist with expertise in Liquidity management modelling to join our dynamic Treasury team. This role focuses on driving our models and optimising their impact … right time and make sure we keep the liquidity risk under control. You will work closely with cross-functional teams to develop data-driven solutions that enhance our liquidity management and operational efficiency. Heres how youll be contributing: Liquidity management Work closely with Treasury operations to develop supply ...

Senior Data Scientist — Build Production ML for Health & Wellness

Location
Greater London, England, United Kingdom
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, marketing ...

Principal Data Scientist

Location
Greater London, England, United Kingdom
meaningful innovation and are proud to set the gold‐standard for marrying technical excellence with safe deployment. About the role As a Principal Data Scientist at Faculty, you will serve as a technical leader and domain expert who owns and drives the delivery of the most technically complex … high‐impact projects and programmes for our most important clients. You also will set the technical direction for the data science team, mentor, and develop them so our data scientists remain best in class. This position focuses on deep individual contribution and technical excellence, influencing the broader data ...

Hybrid Data Scientist - Planning & Execution Insights

Location
Greater London, England, United Kingdom
Spotify is seeking a Data Scientist for the Company Planning and Execution (CPE) team to transform data into actionable insights that drive planning and execution at scale. You will work with data scientists, engineers, PMs, and business partners to refine how Spotify operates, building data ...

Data Scientist II: Hotel Partnerships Analytics

Location
Greater London, England, United Kingdom
Expedia Group is recruiting a Data Scientist II for the Hotel Enterprise Partnerships Analytics team. You will work with large datasets, build scalable reports, and translate complex data into actionable insights." You will collaborate with analytics, product, data, engineering, and commercial partners to improve margin, supply … quality, and performance. Strong SQL/Python/R skills and practical data pipeline experience are essential. #J-18808-Ljbffr ...

Defence Data Scientist – Mission-Critical AI

Location
City Of London, England, United Kingdom
Enterprise AI software company, is seeking a Data Scientist to join the UK defence-focused data science team. You will collaborate with data scientists, software engineers, and subject matter experts to define new analytics capabilities and implement machine learning models on the C3 AI Platform ...

Hybrid Data Scientist for Consumer Behaviour Analytics

Location
City Of London, England, United Kingdom
Datatech Analytics in Central London is seeking a Data Scientist to analyze consumer behaviour data and deliver insights across leading brands. You’ll apply rigorous statistical thinking to large-scale datasets and contribute to client reporting and data products. The role involves defining cohorts, applying causal ...

Principal Product Data Scientist: Experimentation Strategy

Location
Greater London, England, United Kingdom
Blue Light Card Ltd in London is seeking a Principal Data Scientist to lead experimentation and product insight, setting standards for tests, learning and scaling. You’ll mentor the Product Data Science team and shape best practice. You’ll partner with Product Managers and Engineering to translate … member behavior into actionable insight, own metrics and data storytelling for executives, and build data products that drive strategy. #J-18808-Ljbffr ...

Principal Data Scientist: AI-Driven Claims Automation

Location
Greater London, England, United Kingdom
Marshmallow is seeking a Principal Data Scientist in London to lead data science across Claims Fraud, designing and deploying ML and Generative AI systems for automated claims processing. You will collaborate with product and engineering to scale decisions, while ensuring robust, testable solutions and measurable improvements. This ...

Senior Staff Data Scientist: ML Platform & Strategy Lead

Location
Greater London, England, United Kingdom
Hims & Hers, a leading health and wellness platform, is seeking a Staff Data Scientist to be a technical leader and force multiplier for our data organization. You will bridge business strategy and production-ready machine learning, building scalable data products that deliver measurable business results. … this role you will own the full model lifecycle, mentor senior data scientists, and drive end-to-end deployment while collaborating with Engineering, Product, and Business teams to solve #J-18808-Ljbffr ...

Hybrid Data Scientist - Credit & Customer Protection

Location
Greater London, England, United Kingdom
Zempler Bank is seeking a Data Scientist to help shape how data is used to protect customers, widen access to credit and create thoughtful experiences. You will work on meaningful problems across the business, collaborating with teams to implement models and extract value from data. You will … develop and deploy algorithms in Python, monitor performance, and explore new data sources to improve financial outcomes. Hybrid work is offered with some office days. #J-18808-Ljbffr ...

Principal AI Data Scientist

Location
Greater London, England, United Kingdom
About the Role We're seeking a versatile Principal Data scientist who can work across the full stack of Anaplan AI applications, from model integration and prompt engineering to building intuitive user interfaces. In this role, you will have a direct impact on our industry‐leading platform … Generative AI Architecture: Architect GenAI solutions, focusing on fine‐tuning proprietary and open‐source Large Language Models (LLMs) via Transformer architectures for specialised enterprise data tasks. Next‐Gen Interfaces: Design and integrate Conversational AI and autonomous Agentic AI workflows, creating intuitive experiences that can independently execute complex planning tasks. ...

Data Scientist - Scientific AI

Hiring Organisation
McKinsey & Company
Location
London, UK
Employment Type
Full-time
teams on research and development topics across our life sciences, global energy and materials (GEM), and advanced industries (AI) practices, serving as a data scientist in a technology development and delivery capacity. As part of our London or Wroclaw office, you will use your expertise in advanced mathematics … offering. You will bring distinctive statistical, machine learning, and AI competency to complex client problems. In this role you will support the manager of data science with the development of data science and analytics roadmap of assets across cell-level initiatives. You will deliver distinctive capabilities, models ...

Hybrid Security Data Engineer & Scientist

Location
City Of London, England, United Kingdom
Project Global Limited seeks a Security Data Engineer/Data Scientist to support a high-profile client across London, Bristol, Leeds or Sheffield. The role is hybrid, requiring three days at the office per week with the rest of the time remote within the UK. … month temporary contract to start asap. Ideal candidates will have data engineering or data science experience, and a background in ML engineering or security knowledge graphs. #J-18808-Ljbffr ...

Senior Data Scientist - Personalisation & Real-Time ML

Location
Greater London, England, United Kingdom
Sainsbury’s is seeking a Senior Data Scientist to join our Customer Data Science team in London, combining advanced analytics with production-grade ML to personalise customer experiences in Nectar and across our stores. The role is hybrid, based in London or from home, and focuses ...

Senior Data Scientist

Hiring Organisation
Faculty
Location
London, UK
Employment Type
Full-time
providers - to build solutions which return measurable impact and move us towards a smarter, cleaner, and more sustainable world. About the roleAs a Senior Data Scientist, you will lead high-impact AI projects and shape the technical direction of bespoke solutions. This role requires hands-on technical excellence … combined with crucial team leadership. You will define data science approaches, design robust software architectures, mentor junior colleagues, and ensure delivery rigour across projects all while building deep client relationships and solidifying our reputation as a leader in practical, measurable AI. What you'll be doing: Leading project teams ...

Lead Product Data Scientist - AI-Driven Experiments

Location
Greater London, England, United Kingdom
Zego is hiring a Lead Product Data Scientist to shape how we make our biggest product and commercial decisions. You’ll work with senior leaders across Product, Growth and Operations to decide where to focus and how to measure impact. You’ll build foundations for experimentation, develop customer … models, and guide production of AI-powered data solutions across teams, helping scale data science across a fast-growing business. #J-18808-Ljbffr ...

Principal Data Scientist, Experimentation

Location
Greater London, England, United Kingdom
data. We slice it, we dice it, and we use it to empower our decision making. What You will do: As a Principal Data Scientist you will be a leading individual contributor responsible for how experimentation works across the organisation. You will lead through technical depth, setting … well, where traffic is thin or the outcomes that matter take months to appear. You will: Set the technical standard for experimentation across Product Data Science, from conventional A/B testing to quasi-experimental and Bayesian methods, and make it practical through protocols, frameworks and tooling. Partner with ...

AI Data Scientist: Build Impactful ML in Production

Location
Greater London, England, United Kingdom
Solirius Reply, part of the Reply Group, is seeking an AI Data Scientist to design, develop, and deploy machine learning models, collaborating across data engineering and analytics to solve complex business problems. You will work with product, engineering, and business teams to translate data into actionable … high-impact AI solutions. You’ll stay at the forefront of AI advancements, evaluate their potential impact on products, and contribute to production-ready data pipelines and #J-18808-Ljbffr ...

Lead Data Scientist

Hiring Organisation
RedCat Digital
Location
London, UK
Employment Type
Full-time
About the roleThis hugely exciting opportunity will be to lead the Data Science team for a growing fintech start-up, backed by one of the biggest names in the Banking world. You will provide thought leadership; helping the teams crack complex problems on large quantities of data using … your expert knowledge of Data Science techniques, statistical methods and data engineering technologies. You will put in place and execute a program of continuous learning and development, ensuring that your team is truly world-class. You will ensure that programmes of work are hypothesis led and you will ...

Lead Data Scientist - Production ML, Hybrid London

Location
Greater London, England, United Kingdom
Howden Group Holdings is seeking a Lead Data Scientist in London to join the Group Data & Analytics team. You will lead the technical delivery of high-value AI/ML initiatives, ensuring production-ready and scalable solutions across global operations. The role combines deep technical leadership with ...