126 to 150 of 224 Senior Data Scientist Jobs in London

Senior Data Scientist

Hiring Organisation
Executive Facilities
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 per day
client, a leading global SaaS organisation is looking for a Senior Data Analyst to work on exciting AI/ML user experience projects for a 12 month contract. Hybrid with 3 days on site. Responsibilities; Providing data sources that help build the AI/ML user experience … Build and maintain scalable data pipelines for BigQuery using Cloud Composer and Airflow. Provide observability and monitoring using Monte Carlo and Looker as well as operational tools such as NewRelic and Splunk, driving reliability, data quality, data quality and robustness. Scope and plan work together with product ...

London, United Kingdom Preply Senior Data Scientist – Insights

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 ...

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

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

Data Scientist / Senior Data Scientist

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 … suite of domain-specific generative AI offerings for the enterprise. Learn more at: C3 AI As a member of the C3 AI Data Science team,you will work with some of the largest companies on the planet helping them build the next generation of AI-powered enterprise applications ...

Senior Data Scientist — Targeting & Real-Time ML

Location
Greater London, England, United Kingdom
ClearScore is seeking a Senior Full Stack Data Scientist to join our Data & Analytics team in a hybrid working model. You will own end-to-end data science and ML initiatives, shaping targeting and content strategies to improve user experiences across markets. You will partner … business needs into scalable solutions. You should have deep Python/SQL, dbt, and production ML experience, with a track record of turning complex data into actionable insights. #J-18808-Ljbffr ...

Senior GenAI Data Scientist – London

Location
Greater London, England, United Kingdom
American International Group (AIG) is seeking a Senior Data Scientist, GenAI to advance our generative AI capabilities across core insurance platforms. You will lead delivery of data science and GenAI solutions, working with product managers, engineers and business leaders in a fast-paced environment. You will … build evaluation frameworks for LLMs, ensure high-quality data and model governance, monitor production deployments, and collaborate across teams to shape the product roadmap. #J-18808-Ljbffr ...

Data Scientist / Senior Data Scientist

Hiring Organisation
C3 IoT
Location
London, United Kingdom
Salary
£ 80 K
Generative AI, a suite of domain-specific generative AI offerings for the enterprise. Learn more at: C3 AIAs a member of the C3 AI Data Science team, you will work with some of the largest companies on the planet helping them build the next generation of AI-powered enterprise … applications on the C3 AI Platform (c3.ai/customers/). You will work directly with data scientists, software engineers, and subject matter experts in the definition of new analytics capabilities able to provide our customers with the information they need to make proper decisions and enable their digital ...

Senior Product Data Scientist

Hiring Organisation
TripAdvisor
Location
London, United Kingdom
Salary
Confidential
love more than travel is data. We slice it, we dice it, and we use it to empower our decision making.About the RoleAs our Senior Product Data Scientist, you will be the cornerstone of our advanced analytics capability. This is more than a technical role … position designed to shape the future of our product by embedding deep, quantitative intelligence into its core.You will help set the vision for how data science can solve our most challenging problems.You will act as a catalyst, mentoring a talented team of product analysts while spearheading the development ...

Senior Specialist, Data Scientist

Hiring Organisation
The Bank of New York Mellon
Location
London, United Kingdom
Salary
£ 100 K
seeking a future team member for the role of Senior Specialist, Data Scientist to join our Markets team. This role is located in London.In this role, you’ll make an impact in the following ways:Lead complex data analysis initiatives using advanced statistical techniques and machine … learning models to generate actionable insights that support business strategy and operational efficiency.Partner with cross-functional teams to design and implement data-driven solutions aligned to organizational priorities and business objectives.Manage and enhance large datasets while ensuring strong data integrity, accuracy, and adherence to data management ...

Senior Specialist, Data Scientist

Hiring Organisation
The Bank of New York Mellon
Location
London, UK
Employment Type
Full-time
seeking a future team member for the role of Senior Specialist, Data Scientist to join our Markets team. This role is located in London. In this role, you'll make an impact in the following ways: Lead complex data analysis initiatives using advanced statistical techniques … machine learning models to generate actionable insights that support business strategy and operational efficiency. Partner with cross-functional teams to design and implement data-driven solutions aligned to organizational priorities and business objectives. Manage and enhance large datasets while ensuring strong data integrity, accuracy, and adherence to data ...

Senior/Lead Data Scientist - Open Banking

Hiring Organisation
Klarna
Location
London, United Kingdom
Salary
£ 80 K
c0be-44e0-8717-d87167598b38Location: LondonSalary: 81425 - 116438 GBPType: Full timePosted: 2026-07-21Contact: ivy.chiang@klarna.comWhat you will do As a Senior Data Scientist within our Open Banking team, you will build the analytical foundation that turns raw bank account data into reliable, actionable insight … develop machine learning models that estimate probability of default and produce fraud scorecards. You will own the full lifecycle of these models, from raw data through to production deployment, working closely with engineering to operationalize your work at scale. You will also help monitor model performance, impact, and acceptance ...

Senior Specialist, Data Scientist

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
hackajob is partnering directly with BNY Mellon to hire for this role. We're seeking a future team member for the role of Senior Specialist, Data Scientist to join our Markets team. This role is located in London. In this role, you'll make an impact … following ways: Lead complex data analysis initiatives using advanced statistical techniques and machine learning models to generate actionable insights that support business strategy and operational efficiency. Partner with cross-functional teams to design and implement data-driven solutions aligned to organizational priorities and business objectives. Manage and enhance ...

Senior AI Data Scientist - End-to-End ML in Production

Location
Greater London, England, United Kingdom
Consulting in London is seeking a Senior Data Scientist to join the AI Build Team. You will develop end-to-end ML/AI solutions that clients can rely on in production, mentor juniors, and lead sub-projects across varied industries. The role emphasizes data management ...

Senior Imaging Data Scientist (Cellular ML & High-Content)

Location
Greater London, England, United Kingdom
Relation in London seeks a Senior Data Scientist to build next-generation generative and predictive models of cellular behaviour, focusing on high-content imaging. You will curate datasets, design robust evaluation, and interpret model performance while collaborating with wet-lab teams and ML researchers. You will advance … foundation-models for cellular imaging within a matrixed, interdisciplinary culture. The role emphasizes data-rich imaging, multi-modal integration, and hands-on collaboration #J-18808-Ljbffr ...

Senior/Lead Data Scientist -Credit Risk Modeling

Hiring Organisation
Klarna
Location
London, United Kingdom
Salary
£ 80 K
risk models sit at the heart of how we underwrite and price risk for millions of consumers globally. 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 valuation models. You'll design and maintain real-time PD (Probability of Default) models using statistical and ML approaches, integrating them into frameworks for underwriting and economic return optimization. ...

Senior/Staff Data Scientist - Measurement, Experimentation & Causal Inference

Hiring Organisation
Sony Interactive Entertainment America
Location
London, United Kingdom
Salary
£ 80 K
create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity.Role Overview:As a Senior/Staff Data Scientist, you will help shape how PlayStation measures the impact of products, features and commercial initiatives through world-class experimentation, causal inference … applied data science.Working at the intersection of data science, machine learning, product and commercial strategy, you will develop innovative measurement methodologies, define best practices, and provide technical leadership that enables teams across PlayStation to make faster, more confident business decisions.This role goes beyond traditional A/B testing. ...

Lead Data Scientist

Location
Greater London, England, United Kingdom
## Data Science LeadApplylocations: London, UKtime type: Full timeposted on: Posted Todayjob requisition id: JR100532**Who we are **We’re IAG Loyalty - one organisation with two ambitious, growing divisions across Loyalty and Holidays. Each has its own goals, strategy and team, but together we’re united by a shared … through seamless, end-to-end travel experiences,We’re on an exciting journey of growth and transformation – we’re going places.**The opportunity ***"Every Data Science team builds models. Ours is measured by the commercial value those models create."* We're looking for a commercially minded Data Science ...

Senior/Staff Data Scientist - Measurement, Experimentation & Causal Inference

Hiring Organisation
Sony Interactive Entertainment America
Location
London, UK
Employment Type
Full-time
create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. Role Overview: As a Senior/Staff Data Scientist, you will help shape how PlayStation measures the impact of products, features and commercial initiatives through world-class experimentation, causal inference … applied data science. Working at the intersection of data science, machine learning, product and commercial strategy, you will develop innovative measurement methodologies, define best practices, and provide technical leadership that enables teams across PlayStation to make faster, more confident business decisions. This role goes beyond traditional A/ ...

Principal Applied Data Scientist

Location
Greater London, England, United Kingdom
## Principal Applied Data ScientistApplylocations: GBR-London-10 Paternoster Squaretime type: Full timeposted on: Posted 17 Days Agojob requisition id: R0118411Are you a hands-on data scientist with deep expertise in NLP and LLMs, strong Python coding skills, and a track record of deploying models to production … real-world AI solutions that are used by actual customers? If so, we'd love to talk to you!**ROLE SUMMARY:** As a Principal Data Scientist (individual contributor), you will play a hands-on role in designing, building, and deploying scalable AI solutions that go beyond prototypes ...

Senior Research Data Scientist

Hiring Organisation
Dunnhumby
Location
London, United Kingdom
Salary
£ 60 K
dunnhumby is the global leader in Customer Data Science, partnering with the world’s most ambitious retailers and brands to put the customer at the heart of every decision. We combine deep insight, advanced technology, and close collaboration to help our clients grow, innovate, and deliver measurable value … real-world commercial application, you’ll turn innovative ideas into scalable capabilities that influence products, platforms, and long-term strategy. You’ll collaborate with senior leaders and contribute to decision-making across data science, engineering, and product, helping to prioritise and advance the right AI investments ...

Senior Data Scientist, Product Analytics

Hiring Organisation
Expedia
Location
London, United Kingdom
Salary
£ 80 K
people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere.Senior Data Scientist, AnalyticsThe Product Team creates high-quality end-to-end experiences for travelers, partners, and Expedia Group. Our focus on customer-centric innovation … partner closely with teams across Expedia Group to drive growth and achieve results for our customers and the company.We're looking for a senior-level individual contributor to provide valuable analytics and decision support to drive Expedia's Localization product within Content Product Analytics.In this role, you will partner ...

Senior Data Scientist, RWE

Hiring Organisation
IQVIA
Location
London, United Kingdom
Salary
£ 80 K
Data Scientist, you will be given access to cutting-edge in-house technology, allowing you to work on global projects across a variety of therapeutic areas and thanks to our development opportunities and mentoring at all levels, you will be able to progress your long-term career … workstreams You will be involved in development of statistical methods sections of protocols, preparing statistical analysis plans and generating analytic results.You will contribute to data management and statistical programming of various data sources.You will communicate with clients regarding study protocol or statistical analysis issues as they arise.Key Responsibilities ...

Senior Data Scientist and Marketing Effectiveness (MMM)

Hiring Organisation
Ekimetrics
Location
London, United Kingdom
Salary
£ 60 K
LondonLondon – Data Science & AI/Permanent position/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 across … 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 ...

Senior Research Data Scientist

Location
London, United Kingdom
hackajob is partnering directly with Dunnhumby to hire for this role. dunnhumby is the global leader in Customer Data Science, partnering with the world's most ambitious retailers and brands to put the customer at the heart of every decision. We combine deep insight, advanced technology, and close collaboration … real-world commercial application, you'll turn innovative ideas into scalable capabilities that influence products, platforms, and long-term strategy. You'll collaborate with senior leaders and contribute to decision-making across data science, engineering, and product, helping to prioritise and advance the right AI investments ...