19 of 19 Principal Data Scientist Jobs in London

Principal Product Data Scientist Contract Length : 12 Months Location : Hybrid - 3 days a week at Heathrow Airport IR35 Status : Insid3 About the Role We are looking for a Principal Product Data Scienti st to drive the next generation of data-driven decision making across … customer experiences. This role combines advanced analytics, experimentation, machine learning, optimisation, and strategic leadership to solve complex business problems at scale. As a Principal Data Scientist, you will shape product strategy, influence executive decision-making, and lead high-impact initiatives from ideation through deployment. You will partner ...

## 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 … building 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 ...

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 You'll be part of our Data & AI Delivery team, acting as a technical leader for the application … data science, machine learning, and AI across the organisation. This team plays a critical role in enabling secure, scalable and high performing data and AI products that underpin data driven decision making across British Airways. What you'll do: Lead the end to end delivery and lifecycle ...

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 You’ll be part of our Data & AI Delivery team, acting as a technical leader for the application … data science, machine learning, and AI across the organisation. This team plays a critical role in enabling secure, scalable and high‐performing data and AI products that underpin data‐driven decision‐making across British Airways. What you’ll do: Lead the end‐to‐end delivery and lifecycle ...

Build a brilliant future with Hiscox. As a Principal Data Scientist you will be an integral part of a dynamic technical team, strategically focused on leveraging data science across our diverse business functions. Your expertise will transform underwriting capabilities and extend through the entire insurance value … chain, championing a multi-disciplinary approach to complex problem‐solving. You will lead the end‐to‐end delivery of our most significant and complex data science initiatives, driving technical strategy, architecture, and best practices. You will mentor and coach junior and mid‐level colleagues, elevate the overall team capability ...

regulators. A core component of our measurement approach is panel-based methodologies, leveraging household and individual panels to ensure accurate, representative audience insights. Census data is integrated across several solutions to further enhance measurement quality. Job Description As a Principal Data Scientist, you shape high‐impact … client‐relevant Data Science concepts and ensure strategic coherence across teams and domains. This role is a perfect playground for highly experienced, concept‐driven minds who enjoy influencing direction, clarifying complexity, and shaping how Data Science creates value at scale. You will work on analytics, Data Science ...

ensures you can deliver impactful work and drive change. Explore our Culture Handbook to find out more. Move our mission, and your career, forward. Data Science at Marshmallow Our Data Science team partners across the business to turn data into better decisions, smarter products, and simpler customer … closely with Product, Engineering, and Operations to build and ship models and AI systems that are reliable in production and deliver measurable impact. Within Data Science, this role sits in Claims , supporting Claims Fraud and the broader ambition to automate more of the claims journey. Claims ...

curious, tenacious people win and grow together. If that sounds motivating, this could be the place for you. London (hybrid, 3 days in office) Data Science at Marshmallow Our Data Science team partners across the business to turn data into better decisions, smarter products, and simpler customer … closely with Product, Engineering, and Operations to build and ship models and AI systems that are reliable in production and deliver measurable impact. Within Data Science, this role sits in Claims , supporting the function and the broader ambition to automate more of the claims journey. Claims ...

complex challenges, uncovering insights, and driving innovation with advanced analytics? If so, we could have the perfect opportunity for you! We’re seeking a Principal Data Scientist to join our award-winning digital team at Stantec. You will be working alongside leading Analysts and Data Engineering … High Wycombe or London offices, with hybrid working allowing for a mix of in-office and home working. What You’ll Be Doing Leading Data Science Initiatives – apply your expertise in data modelling, cleansing, and analytics to create innovative solutions that drive digital transformation. Deriving Powerful Insights ...

Hiscox Underwriting Group Services Ltd (HUGS) is seeking a Principal Data Scientist to lead complex data science initiatives and transform underwriting capabilities. You will mentor junior data scientists and collaborate with various business functions to maximize value across the insurance value chain. The ideal candidate … will have a degree in a quantitative field and substantial experience in data science, particularly in machine learning and statistical modeling. A strong ability to communicate complex findings to diverse audiences is essential, alongside proficiency in Python and SQL. #J-18808-Ljbffr ...

CoMind, located in Greater London, seeks a Principal Data Scientist to lead data science initiatives in the development of neuromonitoring technology. You will take ownership of signal processing methodologies and ML model development in a hybrid work setting. The role requires 15+ years of experience … data science, with a focus on physiological data. Benefits include company equity, comprehensive insurance, and an unlimited holiday allowance. #J-18808-Ljbffr ...

that will improve how we diagnose and treat brain disorders, ultimately improving and saving the lives of patients across the world. The Role: The Data Science team at CoMind develops the algorithms and machine learning systems that transform raw optical interference signals from CoMind One into continuous, clinically meaningful … photonics, physiology, and applied ML, the team's work directly determines what CoMind One can measure, how accurately, and under what clinical conditions. As Principal Data Scientist, you will be the technical authority for CoMind's data science function, setting methodological direction for signal extraction ...

Stantec Consulting International Ltd. is seeking a Principal Data Scientist to join their digital team in the UK, focusing on innovative solutions for the water sector. The position offers hybrid working from their High Wycombe or London offices. The ideal candidate will excel in Python, data visualisations, and have experience with machine learning and cloud deployment. This role requires leadership in data science projects and collaboration with clients to deliver impactful results. #J-18808-Ljbffr ...

Principal Data Scientist – AI London, United Kingdom Posted 11 months ago Tech Stack TypeScript Java Artificial Intelligence Python Requirements Proficiency in Python, with experience building and maintaining AI systems, not just analyses. Experience working in Java or TypeScript environments beneficial. Experience with Claude, OpenAI, Bedrock is nice ...

Dormont Manufacturing Co is looking for a Principal Data Scientist to lead technical initiatives in the Claims Fraud team, turning data into impactful strategies. This role requires significant experience with end-to-end machine learning solutions and the ability to influence cross-functional teams effectively. ...

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. ...

Java Script Works is seeking a Principal Data Scientist to leverage AI technologies in legal tech solutions based in London. The ideal candidate will possess strong proficiency in Python and should have experience with AI systems. Additional experience with Java or TypeScript is beneficial. This full-time ...

plays a critical role in driving our global success. We enable our customers, from the world’s most innovative startups to the la... thoughtworks Principal Product Manager (Banking/Fintech/Consulting) Technology the company partners with clients to build impactful digital products which deliver extraordinary customer experiences. ...

A career without limits As the nation's flag carrier, we take great pride in connecting Britain with the world and the world with Britain. It's something we've been doing for over 100 ...