Principal Data Scientist Jobs in England

1 to 25 of 40 Principal Data Scientist Jobs in England

Principal Data Scientist/MLE (London)

London, UK
WovenLight
Join to apply for the Principal Data Scientist/MLE role at WovenLight 1 month ago Be among the first 25 applicants Join to apply for the Principal Data Scientist/MLE role at WovenLight WovenLight is creating a new category of investment firm. We combine traditional private equity investing with deep capabilities in … as an AI transformation partner to Altor and its portfolio companies. For more details, please see To execute our mission we are building an integrated team of world class data, investment, technology and operations professionals. As a Principal Data Scientist/MLE you will lead a WovenLight team that is deployed into one of our portfolio … identifying next best action for sales agents, geospatial modelling to improve store footprint; and many more. You will apply a combination of leadership skills and deep technical expertise in data, machine learning, statistics and software development to deliver high quality technical projects. With support from the deployment lead and deal team, you will align scope, organise the work, distribute More ❯
Employment Type: Full-time
Posted:

Principal AI Data Scientist (London)

London, UK
Hybrid / WFH Options
Atorus Research
Join to apply for the Principal AI Data Scientist role at Atorus Join to apply for the Principal AI Data Scientist role at Atorus Get AI-powered advice on this job and more exclusive features. Description The Principal, AI Data Scientist will be responsible for supporting the implementation of innovative, complex …/ML/GenAI solutions across the areas of Clinical Trial Execution and Digital Healthcare across Research and Development. full-time remote from anywhere in the UK Description The Principal, AI Data Scientist will be responsible for supporting the implementation of innovative, complex and transformative AI/ML/GenAI solutions across the areas of Clinical Trial … Essential Functions Support the development and implementation of AI/ML/GenAI solutions to optimize clinical trial operations, including such areas as patient recruitment, patient retention, real-time data monitoring and automated data collection system build. Support the development and implementation GenAI applications for automated clinical trial documentation generation including such areas medical reports, clinical study reports More ❯
Employment Type: Full-time
Posted:

Senior Principal Data Scientist (London)

London, UK
Hybrid / WFH Options
Novartis
View more categories View less categories Discipline Maths & IT ,Data Analysis Position Type Permanent Hours Full Time Result Type Jobs Job Description Summary -Understand complex and critical business problems, formulates integrated analytical approach to mine data sources, employ statistical methods and machine learning algorithms to contribute solving unmet medical needs, discover actionable insights and automate process for reducing … effort and time for repeated use. To manage the implementation and adherence to the overall data lifecycle of enterprise data from data acquisition or creation through enrichment, consumption, retention, and retirement, enabling the availability of useful, clean, and accurate data throughout its usefull lifecycle. High agility to be able to work across various business domains.High agility … help give people with disease and their families a brighter future to look forward to. Apply today and welcome to where we thrive together! The Role As a Senior Principal Data Scientist in the Medical Affairs Advanced Quantitative Sciences group, you will be responsible for the discussion and implementation of data science methodologies applied to patient More ❯
Employment Type: Full-time
Posted:

Principal Data Scientist

City of London, London, United Kingdom
Harnham
Principal Data Scientist London, UK (Hybrid) Up to £135,000 About the Company We’re working with a next-generation private markets firm that is redefining value creation by combining deep industry expertise with advanced AI and data science. This is a unique opportunity to join a company that partners directly with portfolio companies to drive … measurable operational and financial performance—powered by data. They’re now hiring a Principal Data Scientist to lead high-impact analytics and machine learning projects across a wide variety of real-world domains - from manufacturing to customer experience and commercial optimisation. Working closely with a multidisciplinary team, you’ll have the autonomy to shape technical approaches while … staying closely tied to commercial outcomes. This role is ideal for someone who enjoys solving complex, ambiguous business problems using data science, and wants to work at the intersection of technology, investment, and strategy. Key Responsibilities Translate complex business problems into measurable data science solutions that deliver commercial value Lead the design, development, and deployment of predictive and More ❯
Posted:

Principal Data Scientist

London Area, United Kingdom
Harnham
Principal Data Scientist London, UK (Hybrid) Up to £135,000 About the Company We’re working with a next-generation private markets firm that is redefining value creation by combining deep industry expertise with advanced AI and data science. This is a unique opportunity to join a company that partners directly with portfolio companies to drive … measurable operational and financial performance—powered by data. They’re now hiring a Principal Data Scientist to lead high-impact analytics and machine learning projects across a wide variety of real-world domains - from manufacturing to customer experience and commercial optimisation. Working closely with a multidisciplinary team, you’ll have the autonomy to shape technical approaches while … staying closely tied to commercial outcomes. This role is ideal for someone who enjoys solving complex, ambiguous business problems using data science, and wants to work at the intersection of technology, investment, and strategy. Key Responsibilities Translate complex business problems into measurable data science solutions that deliver commercial value Lead the design, development, and deployment of predictive and More ❯
Posted:

Principal Data Scientist

London, United Kingdom
Hybrid / WFH Options
Data Science Festival
Principal Data Scientist Salary: Up to £85k Location: London, Hybrid Data Idols is proud to be partnering with a leading energy company that's on a mission to revolutionise how energy is produced, distributed, and consumed. As they invest heavily in smart technology and data platforms, they're looking for a Principal Data Scientist to help drive innovation, efficiency, and sustainability across the business. The Opportunity This is your chance to apply data science in a sector that truly matters. You'll work on complex, high-impact challenges, from demand forecasting and energy usage optimisation, to predictive maintenance and sustainability modelling. Collaborating with data engineers, product teams, and energy … energy tech Support for continuous learning , certifications, and personal growth Skills and Experience Strong background in Python and SQL , with solid applied ML experience Experience working with time-series data , forecasting, or optimisation models Familiarity with cloud platforms (e.g., AWS, GCP, or Azure) Strong communication skills and ability to collaborate with cross-functional teams If you're a mission More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Data Scientist (London)

London, UK
Hybrid / WFH Options
Data Science Festival
Principal Data Scientist Salary: Up to 85k Location: London, Hybrid Data Idols is proud to be partnering with a leading energy company thats on a mission to revolutionise how energy is produced, distributed, and consumed. As they invest heavily in smart technology and data platforms, theyre looking for a Principal Data Scientist to help drive innovation, efficiency, and sustainability across the business. The Opportunity This is your chance to apply data science in a sector that truly matters. Youll work on complex, high-impact challenges, from demand forecasting and energy usage optimisation, to predictive maintenance and sustainability modelling. Collaborating with data engineers, product teams, and energy specialists, youll design … energy tech Support for continuous learning , certifications, and personal growth Skills and Experience Strong background in Python and SQL , with solid applied ML experience Experience working with time-series data , forecasting, or optimisation models Familiarity with cloud platforms (e.g., AWS, GCP, or Azure) Strong communication skills and ability to collaborate with cross-functional teams If youre a mission-driven More ❯
Employment Type: Full-time
Posted:

Senior Principal Data Scientist (London)

London, UK
Hybrid / WFH Options
Novartis
Join to apply for the Senior Principal Data Scientist role at Novartis . Get AI-powered advice on this job and more exclusive features. Responsibilities Understand complex business problems and formulate analytical approaches using statistical methods and machine learning algorithms to solve unmet medical needs, discover insights, and automate processes. Manage the data lifecycle, ensuring data … storytelling. Manage budgets, staffing, and project coordination. If managing a team, provide guidance, coaching, and supervision, typically as a first-time people manager. About The Role As a Senior Principal Data Scientist in the Medical Affairs Advanced Quantitative Sciences group, you will work on data science methodologies applied to patient-level data across clinical development … model, with 3 days per week in our London Office. Key Accountabilities Plan, execute, interpret, validate, and communicate exploratory analyses and algorithms to facilitate decision-making. Provide expertise in data science and AI to influence internal decisions and contribute to white papers/regulatory discussions. Analyze clinical trial and real-world data to generate evidence for drug development. More ❯
Employment Type: Full-time
Posted:

Principal Data Scientist

Coventry, Warwickshire, United Kingdom
British Airways
when you're inspired to think big and bring your ambition to work every day, which is why, at British Airways the sky is never the limit. The role: Principal Data Scientist Join British Airways as a Principal Data Scientist within our Operations Decision Support (ODS) team and play a key role in delivering … transformative data science solutions at scale. As a full-stack technical lead within a product squad, you will design and implement the core algorithms and architecture that power decision-support products used across the airline. This is a high-impact role with end-to-end technical ownership over a full product codebase, blending deep technical expertise with strategic thinking … day to make better decisions Rapidly prototype and industrialise advanced algorithms in Python, applying best-in-class practices such as strict typing, modular design, and automated testing. Architect robust data cleaning pipelines and orchestrate workflows using tools such as Dagster within cloud-based CI/CD environments. Drive key system design and modelling decisions-carefully balancing speed, scalability, technical More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Data Scientist (London)

London, UK
British Airways PLC
when you're inspired to think big and bring your ambition to work every day, which is why, at British Airways the sky is never the limit. The role: Principal Data Scientist Join British Airways as a Principal Data Scientist within our Operations Decision Support (ODS) team and play a key role in delivering … transformative data science solutions at scale. As a full-stack technical lead within a product squad, you will design and implement the core algorithms and architecture that power decision-support products used across the airline. This is a high-impact role with end-to-end technical ownership over a full product codebase, blending deep technical expertise with strategic thinking … day to make better decisions Rapidly prototype and industrialise advanced algorithms in Python, applying best-in-class practices such as strict typing, modular design, and automated testing. Architect robust data cleaning pipelines and orchestrate workflows using tools such as Dagster within cloud-based CI/CD environments. Drive key system design and modelling decisions-carefully balancing speed, scalability, technical More ❯
Employment Type: Full-time
Posted:

Principal Data Scientist

London Area, United Kingdom
Harnham
Principal Data Scientist Up to £125,000 London (Hybrid, 3 days onsite per week) Company: A leading marketing and analytics agency is seeking a Lead Data Scientist to develop and deploy end-to-end AI solutions. You'll work on machine learning models for retention, price optimisation, recommendation engines, NLP, and Computer Vision. Responsibilities: Design … production-level code) and other tools like SQL, Spark, and Databricks. Apply clustering, classification, regression, time series modelling, NLP, and deep learning. Develop recommendation engines and leverage third-party data enhancements. Implement MLOps/DevOps practices in cloud environments (AWS, Azure, GCP). Ensure explainability, bias detection, and algorithmic fairness in models. Collaborate with stakeholders to translate business challenges … into data-driven solutions. Requirements: MSc or PhD Degree in Computer Science, Artificial Intelligence, Mathematics, Statistics or related fields. Strong Python skills (bonus: C++, SQL, Spark) Experience in ML algorithms (XGBoost, clustering, regression) Expertise in Time Series, NLP, Computer Vision, MLOps Knowledge of AWS/Azure/GCP, CI/CD, and Agile development Ability to own solutions and More ❯
Posted:

Principal Data Scientist

City of London, London, United Kingdom
Harnham
Principal Data Scientist Up to £125,000 London (Hybrid, 3 days onsite per week) Company: A leading marketing and analytics agency is seeking a Lead Data Scientist to develop and deploy end-to-end AI solutions. You'll work on machine learning models for retention, price optimisation, recommendation engines, NLP, and Computer Vision. Responsibilities: Design … production-level code) and other tools like SQL, Spark, and Databricks. Apply clustering, classification, regression, time series modelling, NLP, and deep learning. Develop recommendation engines and leverage third-party data enhancements. Implement MLOps/DevOps practices in cloud environments (AWS, Azure, GCP). Ensure explainability, bias detection, and algorithmic fairness in models. Collaborate with stakeholders to translate business challenges … into data-driven solutions. Requirements: MSc or PhD Degree in Computer Science, Artificial Intelligence, Mathematics, Statistics or related fields. Strong Python skills (bonus: C++, SQL, Spark) Experience in ML algorithms (XGBoost, clustering, regression) Expertise in Time Series, NLP, Computer Vision, MLOps Knowledge of AWS/Azure/GCP, CI/CD, and Agile development Ability to own solutions and More ❯
Posted:

Principal Product Data Scientist

London, United Kingdom
TripAdvisor LLC
Principal Product Data Scientist I Viator About Viator Viator, a Tripadvisor company, is the leading marketplace for travel experiences. We believe that making memories is what travel is all about. And with 300,000+ travel experiences to explore-everything from simple tours to extreme adventures (and all the niche, interesting stuff in between)-making memories that will … last-minute availability, it's never too late to make any day extraordinary. Viator. One app, 300,000+ travel experiences you'll remember. What you will do: As a Principal Product Data Scientist, you will operate as the most senior technical leader in the Product Data Science function. You will shape the vision, set the technical … drive strategic impact through innovative analytical solutions. This role is both highly technical and deeply collaborative, requiring excellence in leadership, communication, and cross-functional influence. Lead and define the Data Science strategy for Product, ensuring that advanced analytics, data science, and AI methodologies are central to how we build great products and improve customer experiences. Serve as a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Data Scientist (London)

Highbury, Greater London, UK
Investigo
paced financial environment. Building frameworks that regulators respect and internal teams can actually follow. Validating complex models - credit risk, fraud, IFRS9 - all the fun stuff. Digging into assumptions, code, data, and logic. No surface-level reviews. Building a team of people who know how to challenge without being obnoxious. Dealing with senior stakeholders who dont want it depends as … deck. You know when to be technical, when to be strategic, and when to shut up and listen. A proper degree in something terrifying would be great - stats, maths, data science, whatever. Why this role? Because its rare to find a role where the business wants to be challenged - and will give you the space, the backing, and the … time Job function Job function Information Technology Industries Computer and Network Security Referrals increase your chances of interviewing at Investigo by 2x Sign in to set job alerts for Data Scientist roles. London, England, United Kingdom 1 week ago London Area, United Kingdom 35,000.00-45,000.00 20 hours ago London, England, United Kingdom 3 weeks ago London More ❯
Employment Type: Full-time
Posted:

Principal Data Scientist

London, United Kingdom
Barts Health NHS Trust
Job summary An exciting opportunity to be involved at the cutting edge of oncology AI research and innovation in East London. This role is for a talented Principal Data Scientist to lead the data science workstream of PharosAI at Barts Health. They will join a growing team which is focused on AI and reproducible applications of … healthcare data to deliver innovative health care products and services to the front line. Barts Health has been awarded£4.3mas part of £18.9m in funding from the Department for Science, Innovation and Technology to support the PharosAI programme by providing expertise in AI development and ensuring that data from theBarts Health Data Platformas well asBarts' local tissue … for the benefit of people in North East London, the UK and beyond. There is a requirement for the successful candidate to additionally cover the Barts Life Sciences Lead Data Scientist role as maternity cover. This will involve providing line-management to the existing highly-competent and experienced Data Science team until May 2026, when the incumbentLead More ❯
Employment Type: Fixed-Term
Salary: £82462.00 - £93773.00 a year
Posted:

Principal AI Data Scientist (London)

London, UK
Hybrid / WFH Options
Atorus Research
Principal AI Data Scientist full-time remote from anywhere in the UK #LI-Remote Description: The Principal, AI Data Scientist will be responsible for supporting the implementation of innovative, complex and transformative AI/ML/GenAI solutions across the areas of Clinical Trial Execution and Digital Healthcare across Research and Development. Essential Functions … Support the development and implementation of AI/ML/GenAI solutions to optimize clinical trial operations, including such areas as patient recruitment, patient retention, real-time data monitoring and automated data collection system build. Support the development and implementation GenAI applications for automated clinical trial documentation generation including such areas medical reports, clinical study reports, protocols and … patient narratives. Support the development and implementation of Digital Healthcare applications for medical and scientific tools, RWE new ways of generating real data, patients' engagement. Support the design and develop predictive models and generative AI solutions using diverse healthcare data sources, including clinical trials data, electronic health records, wearable devices, patient-reported outcomes, HEOR data, phase More ❯
Employment Type: Full-time
Posted:

Senior Principal Data Scientist

London, United Kingdom
Hybrid / WFH Options
Novartis Farmacéutica
Understand complex and critical business problems, formulates integrated analytical approach to mine data sources, employ statistical methods and machine learning algorithms to contribute solving unmet medical needs, discover actionable insights and automate process for reducing effort and time for repeated use. To manage the implementation and adherence to the overall data lifecycle of enterprise data from data acquisition or creation through enrichment, consumption, retention, and retirement, enabling the availability of useful, clean, and accurate data throughout its usefull lifecycle. High agility to be able to work across various business domains.High agility to be able to work across various business domains. Integrate business presentations, smart visualization tools and contextual storytelling to translate findings back to business … help give people with disease and their families a brighter future to look forward to. Apply today and welcome to where we thrive together! The Role As a Senior Principal Data Scientist in the Multimodal Data & Analytics group you will be responsible for the discussion and implementation of data science and high-dimensional modeling methodologies More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Principal Data Scientist (London)

London, UK
Hybrid / WFH Options
Novartis Farmacutica
Understand complex and critical business problems, formulates integrated analytical approach to mine data sources, employ statistical methods and machine learning algorithms to contribute solving unmet medical needs, discover actionable insights and automate process for reducing effort and time for repeated use. To manage the implementation and adherence to the overall data lifecycle of enterprise data from data acquisition or creation through enrichment, consumption, retention, and retirement, enabling the availability of useful, clean, and accurate data throughout its usefull lifecycle. High agility to be able to work across various business domains.High agility to be able to work across various business domains. Integrate business presentations, smart visualization tools and contextual storytelling to translate findings back to business … help give people with disease and their families a brighter future to look forward to. Apply today and welcome to where we thrive together! The Role As a Senior Principal Data Scientist in the Multimodal Data & Analytics group you will be responsible for the discussion and implementation of data science and high-dimensional modeling methodologies More ❯
Employment Type: Full-time
Posted:

Principal Data Scientist - Gram Games (London)

London, UK
ZYNGA INC
matching, or competing, Zynga is where fun meets innovationand where you can take your career to the next level. Join us and be part of the play! As a Principal Data Scientist, you will play a key leadership role in driving Gram Games' data-driven culture and strategy. You will lead a team of data professionals while serving as a technical authority across the organization. Working closely with product teams, marketing team, and executive leadership, you'll develop innovative data science solutions, establish data strategy frameworks, and create advanced predictive models that directly impact product performance, player experience, and business growth. Your expertise will influence critical decision-making at all levels and … help shape the future of our games. What Youll Do Lead and mentor a team of data scientists and analysts, providing technical guidance, career development, and fostering collaboration across teams Define and implement our data science strategy, aligning it with business objectives and ensuring that data insights drive key decisions across the studio Develop advanced machine learning More ❯
Employment Type: Full-time
Posted:

Principal Product Data Scientist (London)

London, UK
TripAdvisor LLC
Principal Product Data Scientist I Viator About Viator Viator, a Tripadvisor company, is the leading marketplace for travel experiences. We believe that making memories is what travel is all about. And with 300,000+ travel experiences to exploreeverything from simple tours to extreme adventures (and all the niche, interesting stuff in between)making memories that will last … and last-minute availability, it's never too late to make any day extraordinary. Viator. One app, 300,000+ travel experiences youll remember. What you will do: As a Principal Product Data Scientist, you will operate as the most senior technical leader in the Product Data Science function. You will shape the vision, set the technical … drive strategic impact through innovative analytical solutions. This role is both highly technical and deeply collaborative, requiring excellence in leadership, communication, and cross-functional influence. Lead and define the Data Science strategy for Product, ensuring that advanced analytics, data science, and AI methodologies are central to how we build great products and improve customer experiences. Serve as a More ❯
Employment Type: Full-time
Posted:

Principal Data Scientist

England, United Kingdom
Hybrid / WFH Options
Harnham
Principal Consultant – Data Scientist AI/ML Location: Hybrid/Client-Site Travel Across the UK (3+ days/week) Salary: Up to £95,000 + bonus Type: Permanent THE COMPANY A rapidly growing management consultancy with a unique client mix— with a strong data and analytics foundation, they’re now building out their AI & ML … capability to expand the services they offer clients. THE ROLE As a Principal Data Science Consultant, you’ll shape and deliver AI/ML solutions across a wide range of industries. You’ll help scope opportunities, pitch ideas, and lead projects end-to-end. This is a rare role that blends technical credibility with strategy and stakeholder influence … impact through simulation, ML, NLP Engage in high-level stakeholder conversations and proposal development Help formalise and grow the advanced analytics team YOUR SKILLS AND EXPERIENCE 5+ years in Data Science/AI/ML, preferably within consulting or managed services Strong mix of technical and stakeholder-facing experience Evidence of delivering real business value (ROI, time saved, revenue More ❯
Posted:

Principal Product Data Scientist (London)

London, UK
Tripadvisor
Principal Product Data Scientist I Viator About Viator Viator, a Tripadvisor company, is the leading marketplace for travel experiences. We believe that making memories is what travel is all about. And with 300,000+ travel experiences to explore-everything from simple tours to extreme adventures (and all the niche, interesting stuff in between)-making memories that will … last-minute availability, it's never too late to make any day extraordinary. Viator. One app, 300,000+ travel experiences you'll remember. What you will do: As a Principal Product Data Scientist, you will operate as the most senior technical leader in the Product Data Science function. You will shape the vision, set the technical … drive strategic impact through innovative analytical solutions. This role is both highly technical and deeply collaborative, requiring excellence in leadership, communication, and cross-functional influence. Lead and define the Data Science strategy for Product, ensuring that advanced analytics, data science, and AI methodologies are central to how we build great products and improve customer experiences. Serve as a More ❯
Employment Type: Full-time
Posted:

Principal Data Scientist - Gram Games (London)

Highgate, Greater London, UK
Gram Games
environment, and on the overall company strategy. If you are motivated by autonomy, constant improvement, collaboration, and a sense of belonging, this is the place for you. As a Principal Data Scientist, you will play a key leadership role in driving Gram Games' data-driven culture and strategy. You will lead a team of data professionals while serving as a technical authority across the organization. Working closely with product teams, marketing team, and executive leadership, you'll develop innovative data science solutions, establish data strategy frameworks, and create advanced predictive models that directly impact product performance, player experience, and business growth. Your expertise will influence critical decision-making at all levels and … help shape the future of our games. What You'll Do Lead and mentor a team of data scientists and analysts, providing technical guidance, career development, and fostering collaboration across teams Define and implement our data science strategy, aligning it with business objectives and ensuring that data insights drive key decisions across the studio Develop advanced machine More ❯
Employment Type: Full-time
Posted:

Principal Data Scientist - Gram Games (London)

London, UK
Zynga
or competing, Zynga is where fun meets innovation-and where you can take your career to the next level. Join us and be part of the play! As a Principal Data Scientist, you will play a key leadership role in driving Gram Games' data-driven culture and strategy. You will lead a team of data professionals while serving as a technical authority across the organization. Working closely with product teams, marketing team, and executive leadership, you'll develop innovative data science solutions, establish data strategy frameworks, and create advanced predictive models that directly impact product performance, player experience, and business growth. Your expertise will influence critical decision-making at all levels and … help shape the future of our games. What You'll Do Lead and mentor a team of data scientists and analysts, providing technical guidance, career development, and fostering collaboration across teams Define and implement our data science strategy, aligning it with business objectives and ensuring that data insights drive key decisions across the studio Develop advanced machine More ❯
Employment Type: Full-time
Posted:

Senior/Principal Data Scientist - Cross Indication

London, United Kingdom
Relation Therapeutics Limited
Senior/Principal Data Scientist - Cross Indication London About Relation Relation is an end-to-end biotech company developing transformational medicines, with technology at our core. Our ambition is to understand human biology in unprecedented ways, discovering therapies to treat some of life's most devastating diseases. We leverage single-cell multi-omics directly from patient tissue … to advance the field of drug discovery. Your work will shape our culture, strategic direction, and, most importantly, impact patients' lives. Opportunity This is a unique opportunity for a data scientist to work on multi-omics data to drive transformative insights into drug discovery. As a member of the Cross Indication team, you will contribute to identifying … and validating drug targets through advanced data analysis and innovative computational approaches. The Cross Indication team collaborates across both Relations internal and partnership programmes, applying state-of-the-art computational methods to integrate diverse datasets. By combining biological insights with advanced data analytics, the team drives target discovery and validation initiative. Your responsibilities Develop and implement computational workflows More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted: