As a PrincipalDataScientist at Hiscox, you will play a pivotal role as a critical thinker for Hiscox, applying your deep expertise to address our most intricate business challenges and uncover significant opportunities within our data landscape. You will utilise your technical skills and innovative mindset to tackle complex business problems and identify opportunities for … growth. Additionally, you will provide ad hoc analysis and develop predictive and prescriptive models to foster a data-driven culture within Hiscox. You will act as a technical mentor and guide to our team members, fostering best practices, elevating coding standards, and driving advanced analytical techniques across the team. Your ability to translate complex technical findings into clear, actionable … and specific business needs. Operating within a dynamic and evolving environment, you will play a key role in continuously advancing our technical capabilities and ensuring the effective application of data science across the insurance value chain. The role As a PrincipalDataScientist, you will be an integral part of a dynamic technical team, strategically focused More ❯
As a PrincipalDataScientist at Hiscox, you will play a pivotal role as a critical thinker for Hiscox, applying your deep expertise to address our most intricate business challenges and uncover significant opportunities within our data landscape. You will utilise your technical skills and innovative mindset to tackle complex business problems and identify opportunities for … growth. Additionally, you will provide ad hoc analysis and develop predictive and prescriptive models to foster a data-driven culture within Hiscox. You will act as a technical mentor and guide to our team members, fostering best practices, elevating coding standards, and driving advanced analytical techniques across the team. Your ability to translate complex technical findings into clear, actionable … and specific business needs. Operating within a dynamic and evolving environment, you will play a key role in continuously advancing our technical capabilities and ensuring the effective application of data science across the insurance value chain. The role As a PrincipalDataScientist, you will be an integral part of a dynamic technical team, strategically focused More ❯
Our PrincipalData Scientists are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients. We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership and a clear vision of lasting and effective change in a public sector … environment. We expect our PrincipalDataScientist to bring all of that and enthuse our delivery teams with the same passion. The successful candidate will lead the Data Science aspects of our client engagements while overseeing the wider delivery within the account (or industry) when appropriate. They will coach and develop team members on their engagements … providing them with detailed performance feedback, as well as monitoring overall delivery to achieve the highest levels of client satisfaction. In addition, our PrincipalData Scientists are responsible for engaging with our clients to understand their challenges and build lasting, trusted advisor relationships. They will also oversee multiple, concurrent client deliveries to help ensure quality and drive the More ❯
PrincipalDataScientist 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 PrincipalDataScientist 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 ❯
PrincipalDataScientist 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 PrincipalDataScientist 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 ❯
PrincipalDataScientist 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 PrincipalDataScientist 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 ❯
as one of the world's top private cloud companies by Forbes and most innovative companies by Fast Company. For more information visit . We are looking for a PrincipalDataScientist to influence and drive the creation of actionable Insights and impactful AI features powering Culture Amps advanced product features. We have a unique, world class … data set covering employee engagement and performance globally. This role will be a key part of the data science leadership team and as the most senior individual contributor, you will play a crucial role in shaping and driving an uplift in problem definition, data exploration, insight generation, metrics formation, AI feature development and evaluation both in the … data group and the wider company. You will be a master of your craft, and enjoy teaching and mentoring others to maximise the impact of the specialist data science function. You will Collaborate across team and camp boundaries to drive alignment on our data strategy and that data science techniques are being effectively applied across all More ❯
for a balance between remote work and time spent in your local office. Office locations can be found ON THIS MAP The Role We're recruiting for a Principle DataScientist here at the Ministry of Justice , to be part of our warm and collaborative Data Science and AI Hub. The Ministry of Justice is a major … principles of justice. Our vision is to deliver a world-class justice system that works for everyone in society. We are passionate about improving justice outcomes through innovative research, data and analysis. The Data Science & AI Hub We are a multi-disciplinary team of around 70 staff that sits at the heart of the Ministry of Justice providing … data science support across a diverse and exciting agenda. We work in a dynamic and fast-paced context and our skills are in heavy demand across the Ministry of Justice. Our collaborations beyond government are seen as ground-breaking. We create a culture in which people are empowered with the data and information to make excellent decisions using More ❯
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: PrincipalDataScientist Join British Airways as a PrincipalDataScientist 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 ❯
PrincipalDataScientist Up to £125,000 London (Hybrid, 3 days onsite per week) Company: A leading marketing and analytics agency is seeking a Lead DataScientist 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 ❯
PrincipalDataScientist Up to £125,000 London (Hybrid, 3 days onsite per week) Company: A leading marketing and analytics agency is seeking a Lead DataScientist 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 ❯
Principal Product DataScientist 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 DataScientist, 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 ❯
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 PrincipalDataScientist 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 DataScientist 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 ❯
Principal Consultant – DataScientist 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 PrincipalData 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 ❯
Senior/PrincipalDataScientist - 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 datascientist 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 ❯
Senior/PrincipalDataScientist - Single Cell 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 datascientist to work on multi-omics and perturbational data to drive transformative insights into drug discovery. As a member of the Single Cell and Spatial Omics team … and embedded within one of the ML research teams, you will contribute advanced data analysis and domain expertise to challenge ML models that aim to predict and explain cellular decision-making in disease. Your responsibilities Develop and implement computational workflows for integrating and analysing multi-omics data. Design statistical models for analysing transcriptomics and other omics datasets. Use domain More ❯
PrincipalDataScientist Up to £150,000 London (Hybrid, 2-3 days onsite per week) Company: This private equity and investment start-up are focused on streamlining and improving performance by reimagining value creation capabilities. They are utilising cutting-edge AI to generate performance insights on each aspect of the investment lifecycle. Responsibilities: Build machine learning predictive … a fast-paced, collaborative environment. How to Apply: Please register your interest by sending your CV to Emily Burgess via the Apply link on this page. Keywords: Machine Learning, Data Science, start-up, Investment, Equity More ❯
PrincipalDataScientist Up to £150,000 London (Hybrid, 2-3 days onsite per week) Company: This private equity and investment start-up are focused on streamlining and improving performance by reimagining value creation capabilities. They are utilising cutting-edge AI to generate performance insights on each aspect of the investment lifecycle. Responsibilities: Build machine learning predictive … a fast-paced, collaborative environment. How to Apply: Please register your interest by sending your CV to Emily Burgess via the Apply link on this page. Keywords: Machine Learning, Data Science, start-up, Investment, Equity More ❯
Wilmslow, Cheshire, North West, United Kingdom Hybrid / WFH Options
Pets at Home
Be the Data-Driven Heart of Our Transformation At Pets at Home, were more than a retailer were a pet care powerhouse, spanning retail, veterinary, grooming and subscription services. As we transform our business through data, were looking for a PrincipalDataScientist to lead the charge. This is your opportunity to work across every … area of our business, applying cutting-edge data science to real-world challenges from personalising pet care to optimising operations and shaping strategic decisions. The role offers hybrid working from our Support Office in Handforth, Cheshire. What youll be doing: Turning data into clear, actionable insights that help shape big decisions across the business Telling compelling stories with … data that inspire action Working closely with teams across tech and the business to bring data science solutions to life Spotting opportunities to improve how we use data, especially in our loyalty programme Sharing your knowledge and mentoring others in the team Driving innovation through new tools, techniques and academic partnerships Making sure our models run smoothly More ❯
Be the Data-Driven Heart of Our Transformation At Pets at Home, we're more than a retailer - we're a pet care powerhouse, spanning retail, veterinary, grooming and subscription services. As we transform our business through data, we're looking for a PrincipalDataScientist to lead the charge. This is your opportunity to … work across every area of our business, applying cutting-edge data science to real-world challenges - from personalising pet care to optimising operations and shaping strategic decisions. The role offers hybrid working from our Support Office in Handforth, Cheshire. What you'll be doing: Turning data into clear, actionable insights that help shape big decisions across the business … Telling compelling stories with data that inspire action Working closely with teams across tech and the business to bring data science solutions to life Spotting opportunities to improve how we use data, especially in our loyalty programme Sharing your knowledge and mentoring others in the team Driving innovation through new tools, techniques and academic partnerships Making sure More ❯
Lead/PrincipalDataScientist London – Hybrid (3 days a week) £90,000 - £115,000 + Benefits Our client is a precision marketing agency, leveraging data, technology, and creativity to fuel client growth. As part of their Marketing Sciences Data Science Team, you’ll play a pivotal role in revolutionising marketing strategies through cutting-edge … Data Science and Machine Learning solutions. This is still a largely hands on role, with around 20% team leadership. What You’ll Do Oversee data science projects, guide junior team members, and drive innovation. Build predictive models for campaign optimisation, customer segmentation, and price elasticity. Design and implement AI-powered solutions to solve complex marketing challenges. Use machine … in tools like Jupyter notebooks, Pandas, and PyTorch. Expertise in cloud platforms (AWS, Databricks, Snowflake) and containerisation tools (Docker, Kubernetes). Strong leadership skills with experience mentoring and managing data science teams. Deep knowledge of media measurement techniques, such as media mix modelling. Experience with advanced AI techniques, including NLP, GenAI, and CausalAI. Familiarity with MLFlow, API design (FastAPI More ❯
reasoning in Microsoft 365 Copilot by applying next-generation LLM fine-tuning and reinforcement learning techniques. - Improving Copilot Chat and Researcher response quality through state-of-the-art grounding data selection strategies. - Enhancing Copilot Search by developing novel content representation models. - Building the next wave of recommendation and personalization capabilities across M365 Copilot experiences. - In addition to driving innovation … in deploying machine learning applications at scale in real production environments and proven track record of successfully shipping applied research to production is a must - Excellent problem solving and data analysis skills and a good grasp of applied statistics. Particularly, expertise in developing or applying predictive analytics, statistical modelling, data mining, or machine learning algorithms, especially at scale More ❯
