76 to 100 of 298 Senior Data Scientist Jobs

Senior Data Scientist - GenAI & ML, London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
help our clients make informed decisions in an ever-changing global market. About the role CRU Group is seeking a technically strong, hands-on Senior Data Scientist to join a global team focused on building real-world data science and AI solutions for Risk & Trading workflows. … agents and multi-step workflows using modern frameworks such as LangChain, LangGraph, or similar technologies. Develop robust, scalable, production-grade Python code. Partner with senior stakeholders to translate business needs into clear technical requirements and measurable outcomes. Own delivery end-to-end, including problem framing, data discovery, model ...

Senior Data Scientist

Hiring Organisation
Formula
Location
London Area, United Kingdom
Senior Data Scientist Up to £80,000 + benefits | Hybrid, 2-3 days | London Most data science roles inherit someone else's mess. Ageing pipelines, half-finished notebooks, models nobody trusts. This one starts differently. A global entertainment business is building its data science capability … owned end to end, that measurably influence how the business grows. You'll work across marketing, pricing and demand forecasting, tackling problems where the data is large, the decisions are high-stakes and the upside of getting it right is visible at company level. You'll design and deploy ...

Senior Data Scientist - AI & MLOps Leader

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
many more trades. Technology lies at the core of everything the company does, building and improving products that deliver real value fast. This Staff Data Scientist role sits within the central technology organization, where AI and data science drive the long‐term strategy and everyday decision‐making. … What Will You Do? As a Senior Data Scientist at Simply Business, you will partner with cross‐functional teams to build, test and maximise value from models ranging from large language models to classic regression and classification. You will take end‐to‐end ownership of machine learning ...

Principal Data Scientist

Hiring Organisation
Jobleads-UK
Location
Birmingham, England, United Kingdom
digital solutions across the transport network. A key focus of this campaign is creating new opportunities. As a result, we are recruiting a Lead Data Scientist to play a leading role in shaping the future of digital services across National Highways. Our Digital Lab develops and manages innovative … data products and services in-house, while building strategic external partnerships that increase adoption of our digital assets to improve customer journeys and support the efficient operation of the Strategic Road Network. As Principal Data Scientist, you will play a leading role in helping National Highways unlock ...

Principal Data Scientist

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
digital solutions across the transport network. A key focus of this campaign is creating new opportunities. As a result, we are recruiting a Lead Data Scientist to play a leading role in shaping the future of digital services across National Highways. Our Digital Lab develops and manages innovative … data products and services in-house, while building strategic external partnerships that increase adoption of our digital assets to improve customer journeys and support the efficient operation of the Strategic Road Network. As Principal Data Scientist, you will play a leading role in helping National Highways unlock ...

Senior Data Scientist - Product Data London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. Role Purpose We’re looking for a Senior Data Scientist (L5) to join our Product Data team collaborating with our Product Analysts to build deep understanding of how users … engage with our AI-native products through conversation and interaction data . You will work at scale with unstructured text data - prompts, model outputs, user edits, feedback - to discover patterns that explain user behaviour and directly shape what we build next. The focus is on semantic analysis ...

Senior Data Scientist – Wealth Management

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Description Purpose of the role To use innovative data analytics and machine learning techniques to extract valuable insights from the bank's data reserves, leveraging these insights to inform strategic decision-making, improve operational efficiency, and drive innovation across the organisation. Accountabilities Identification, collection, extraction of data from various sources, including internal and external sources. Performing data cleaning, wrangling, and transformation to ensure its quality and suitability for analysis. Development and maintenance of efficient data pipelines for automated data acquisition and processing. Design and conduct of statistical and machine learning models to analyse ...

Senior/Lead Data Scientist -Credit Risk Modeling

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior/Lead Data Scientist -Credit Risk ModelingJob detailsData ScienceLondonFull-time£81,425 GBP - £116,438 GBPAt Klarna, our credit 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 ...

Senior Data Scientist

Hiring Organisation
Elsevier
Location
London Area, United Kingdom
Senior Data Scientist, London/Oxford hybrid working. Are you excited by the opportunity to design advanced AI systems that accelerate scientific discovery and unlock knowledge at scale? Would you enjoy building production-ready solutions using machine learning, NLP, and generative AI to create meaningful impact … will design and deliver advanced AI, NLP, and generative AI solutions that power knowledge discovery and decision support. You will work with complex scientific data and apply modern machine learning and LLM-based approaches to build scalable, reliable systems with real user impact. You will also collaborate across teams ...

Senior Product Data Scientist

Hiring Organisation
Lorien
Location
London Area, United Kingdom
Senior Product Data Scientist Contract Length : 12 Months Location : Hybrid - 3 days a week at Heathrow Airport IR35 Status : Inside About the Role We are looking for a Senior Product Data Scienti st to help drive product innovation through data, experimentation and advanced analytics. … will work closely with Product Managers, Engineers and business stakeholders to identify opportunities, generate insights and build scalable data science solutions that improve customer and business outcomes. The successful candidate will combine strong analytical thinking with practical implementation skills and a passion for solving complex product and optimisation challenges. ...

Senior Data Scientist Technology Data Science London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
shaping the future of fintech – and we’re just getting started. About the Role Checkout.com is looking for an experienced Senior Data Scientist to lead advanced optimisation projects and champion the development of robust, sustainable ML architectures. You will be responsible for the enhancing payment flow through … data and ML services, advancing the complex problem of multi-objective optimisation. You will work closely with other Senior and Staff Data Scientists to shape the architecture of our decisioning systems. Key Responsibilities Lead projects and architecture design for multi-objective optimisation and scalable models. Create custom ...

Senior Data Scientist — Lead ML & Data Product Impact

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Places for People is seeking a Senior Data Scientist to drive data-driven innovation across the business. You will lead ML model development, identify opportunities for value, and turn complex data into actionable insights while ensuring ethical data practices. You will oversee the full … lifecycle of ML models—from exploration to deployment—and mentor junior team members, collaborating with data engineers, analysts, and business stakeholders in a privacy-conscious environment. #J-18808-Ljbffr ...

Senior Data Scientist - Analytics & Data Engineering Leader

Hiring Organisation
Jobleads-UK
Location
Sheffield, England, United Kingdom
Lithe Consulting Ltd is a fast-growing international consultancy specialising in data, AI and advanced analytics for major financial institutions. The Senior Data Scientist/Analyst will join a global banking client’s developer experience team to turn raw data into insights that drive strategic … decisions. The role blends data engineering and analytics, with a focus on building robust pipelines, applying advanced statistics, and delivering strategic reporting. #J-18808-Ljbffr ...

Senior Data Scientist - Health Data Privacy & Security

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Future Health Limited in London is seeking a Senior Data Scientist specialising in privacy, security and risk modelling to design, build and scale data‐driven controls that protect participants while enabling cutting‐edge research. This hands‐on role combines data science with engineering to create … safe outputs, de‐identification risk assessment, synthetic data and governance‐aligned solutions. You will collaborate across Product, Security, Engineering, Science, Data Protection and #J-18808-Ljbffr ...

Senior Data Scientist

Hiring Organisation
Jobleads-UK
Location
Sheffield, England, United Kingdom
exceptional circumstances) Remuneration: either £450/day INSIDE IR35, or £90-£100k permanent employed Our client is a fast-growing international consultancy specialising in data, AI and advanced analytics for major financial institutions. With programmes running across the UK and Europe, they are expanding their team to support large … scale data science and modelling initiatives. This is a Senior Data Scientist/Analyst role within their global banking client’s developer experience team, supporting a new organisation-wide analysis initiative. This role sits at the intersection of data engineering and analytics, and requires strong ...

Senior Data Scientist, Growth

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
What We’re Looking For We're looking for a Senior Data Scientist to join ARQ's Growth team as our first data science hire – owning all data science initiatives across Growth and Marketing, starting with predicting customer lifetime value across our markets and acquisition … Doing Design, build, maintain, and improve lifetime value prediction models across ARQ’s countries and acquisition channels. Work closely with Growth & Marketing, Product, Finance, Data Engineering, and Engineering teams to understand business needs and translate them into modelling solutions. Help evaluate acquisition quality by channel, campaign, geography, customer segment ...

Lead Full-stack Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Data Idols is working with a distributor in the tech industry who is looking for a Lead Full‐stack Data Scientist to join the team. They are a data‐driven business that seeks a technical leader and a mentor who will be hands‐on delivering high … performing solutions. The Opportunity They are seeking a Lead Full‐stack Data Scientist to drive data, lead on strategic initiatives and develop cutting‐edge models. The role will report to the Head of Data Science and support a team of Data Scientists. This person will ...

Senior Data Scientist — AI & Analytics Innovator

Hiring Organisation
Jobleads-UK
Location
Haywards Heath, England, United Kingdom
Central is seeking a Senior Data Scientist to turn complex data into actionable insights and deliver innovative solutions that drive business value and strategic decision‐making. You will develop data services, apply deep learning and ML, perform data analysis, and collaborate across teams … implement data‐driven improvements within the insurance domain. The role requires strong Python skills, statistical modelling, and experience guiding junior colleagues in a fast‐paced, regulated #J-18808-Ljbffr ...

Senior Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
exciting time to join HeliosX. Come be a part of making our dream of easier and faster healthcare a reality! The Opportunity As a Senior Data Scientist at HeliosX, you’ll shape the future of personalised digital healthcare, building and deploying advanced recommendation models that enhance every … step of the patient journey. Working with over a million patient interactions, you’ll turn rich real-world data into actionable insights that improve outcomes and engagement. Partnering closely with Product, you’ll design and test data-driven solutions using our modern stack (Snowflake, Hex, Claude) to deliver ...

Lead Data Scientist, Ad Research

Hiring Organisation
Disney Entertainment and ESPN Product & Technology
Location
Seattle, Washington, United States
Employment Type
Permanent
Salary
USD Annual
heart of Disney's past, present, and future. Disney Entertainment and ESPN Product & Technology is a global organization of engineers, product developers, designers, technologists, data scientists, and more - all working to build and advance the technological backbone for Disney's media business globally. The team marries technology with creativity … Disney's sports, news, and entertainment content, across all media platforms. The research/AI team is the dedicated AI/ML and data science arm of the Ad Platform organization. Its mission is to advance AI and machine learning capabilities across Ad Platform by delivering scalable, high impact ...

Lead Data Scientist, Ad Research

Hiring Organisation
Disney Entertainment and ESPN Product & Technology
Location
Glendale, California, United States
Employment Type
Permanent
Salary
USD Annual
heart of Disney's past, present, and future. Disney Entertainment and ESPN Product & Technology is a global organization of engineers, product developers, designers, technologists, data scientists, and more - all working to build and advance the technological backbone for Disney's media business globally. The team marries technology with creativity … Disney's sports, news, and entertainment content, across all media platforms. The research/AI team is the dedicated AI/ML and data science arm of the Ad Platform organization. Its mission is to advance AI and machine learning capabilities across Ad Platform by delivering scalable, high impact ...

Lead Data Scientist, Ad Research

Hiring Organisation
Disney Entertainment and ESPN Product & Technology
Location
Santa Monica, California, United States
Employment Type
Permanent
Salary
USD Annual
heart of Disney's past, present, and future. Disney Entertainment and ESPN Product & Technology is a global organization of engineers, product developers, designers, technologists, data scientists, and more - all working to build and advance the technological backbone for Disney's media business globally. The team marries technology with creativity … Disney's sports, news, and entertainment content, across all media platforms. The research/AI team is the dedicated AI/ML and data science arm of the Ad Platform organization. Its mission is to advance AI and machine learning capabilities across Ad Platform by delivering scalable, high impact ...

Senior Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
About the role As 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 … doing Leading project teams that deliver bespoke algorithms and high‐stakes AI solutions to clients across the sector. Conceiving the core data science approach and designing the associated robust software architecture for new engagements. Mentoring a small number of data scientists and supporting the professional growth of technical ...

Lead Operational Research Data Scientist

Hiring Organisation
Xpertise
Location
Hillingdon, Middlesex, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 800 Daily
Lead Operational Research Data Scientist | FTSE 100 Operational Research | Optimisation | Decision Science | Mathematical Modelling | Analytics Leadership Lead Operational Research Data Scientist (Contract) Contract: Initial 18-Month Contract Location: Hybrid, London (European candidates considered) Rate: Excellent Day Rate IR35 Status: Inside IR35 Overview We're partnering with … undergoing a major transformation of its operational, analytical, and decision-making capabilities. As part of this journey, we're seeking a Lead Operational Research Data Scientist to spearhead the development of advanced optimisation and decision-support capabilities across the enterprise. This is a high-impact leadership role ...

Senior Data Scientist UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Data Scientist Role type: Full time Location: UK (Fully Remote) Preferred start date: ASAP About Satalia Satalia builds enterprise‐grade AI systems for WPP and its FTSE 100 client base. Led by WPP Chief AI Officer Daniel Hulme, we run as a high‐autonomy, decentralised organisation … evaluation that automate complex marketing workflows end to end. Domain‐adapted foundation models — fine‐tuning open‐weight LLMs (LoRA, RLHF, distillation) on proprietary WPP data for tasks like audience segmentation, creative scoring, and brand‐safety classification. Retrieval‐augmented generation — production RAG systems over large proprietary corpora (embedding models, vector ...