1 to 25 of 29 Permanent Principal Data Scientist Jobs

Principal Data Scientist & Machine Learning Researcher Gloucester | London | Manchester Working with a leading National Security and Cyber organisation, you will help develop advanced AI and machine learning solutions that support critical national security missions. Operating within a mature Agile environment, you'll collaborate closely with customers, engineers … researchers and data scientists to solve complex real-world challenges using cutting-edge AI, machine learning and data science techniques. We have opportunities at all levels from Associate, Senior and Principal levels. Roles can be based in Gloucester, Manchester or London, with hybrid working available (typically ...

Role overview The Principal Data Scientist will lead significant data science work across AWTG and client programmes, shaping technical direction, standards and delivery approaches. The role requires deep expertise in data science, strong leadership and the ability to turn advanced analytics into organisational impact. … will work with multidisciplinary teams across data, AI, software engineering, product, QA and delivery to create practical outcomes for clients and end users. Key responsibilities Lead the scoping, design and delivery of complex data science products, models and analytical solutions. Set standards for modelling, validation, reproducibility, coding, documentation ...

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 ...

Principal Data Scientist Senior AI leadership role at one of the UK's leading AI and Data businesses Cutting-edge work across machine learning, generative AI and agentic AI at enterprise scale Belfast based hybrid working with UK-wide client engagement Salary … with a decade-long track record of delivering production-grade AI solutions across government, healthcare, defence and commercial sectors. Their 150-strong AI and Data Practice is trusted by Microsoft, AWS and others to deliver advanced solutions at citizen scale. Pioneers in responsible AI, this is a genuinely exciting ...

hands-on data scientist with deep expertise in NLP and LLMs, strong Python coding skills, and a track record of deploying models to production? Do you thrive in building real-world AI solutions that are used by actual customers? If so, we'd love to talk … 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 and are actively used in production. You'll work closely with collaborative teams to co-develop innovative products ...

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 ...

AWTG Ltd. in the United Kingdom is looking for a Principal Data Scientist to lead data science efforts across multiple programmes. This role demands expertise in data science, leadership, and the capability to turn analytics into impactful business results. The ideal candidate will excel … designing scalable data science solutions while collaborating with cross-functional teams. Strong skills in machine learning and stakeholder communication are essential. #J-18808-Ljbffr ...

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 ...

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 ...

## Principal Data Scientist & Machine Learning ResearcherApplylocations: Gloucester, South Gloucestershire: Manchester, Lancashire: London, Londontime type: Full timeposted on: Posted 30+ Days Agojob requisition id: 01804570**Date Posted:**2026-02-23**Country:**United Kingdom**Location:**Gloucester, South Gloucestershire**Position Role Type:**Unspecified**Gloucester, London or Manchester****Hybrid role … safer and more connected world.**About the role:** This role is within the Strategic Research Group (SRG). The SRG are a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focussed problems. In this role you will work with high levels ...

## Principal Data Scientist & Machine Learning ResearcherApplylocations: Gloucester, South Gloucestershire: Manchester, Lancashire: London, Londontime type: Full timeposted on: Posted 30+ Days Agojob requisition id: 01804570**Date Posted:**2026-02-23**Country:**United Kingdom**Location:**Gloucester, South Gloucestershire**Position Role Type:**Unspecified**Gloucester, London or Manchester****Hybrid role … safer and more connected world.**About the role:** This role is within the Strategic Research Group (SRG). The SRG are a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focussed problems. In this role you will work with high levels ...

## Principal Data Scientist & Machine Learning ResearcherApplylocations: Gloucester, South Gloucestershire: Manchester, Lancashire: London, Londontime type: Full timeposted on: Posted 30+ Days Agojob requisition id: 01804570**Date Posted:**2026-02-23**Country:**United Kingdom**Location:**Gloucester, South Gloucestershire**Position Role Type:**Unspecified**Gloucester, London or Manchester****Hybrid role … safer and more connected world.**About the role:** This role is within the Strategic Research Group (SRG). The SRG are a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focussed problems. In this role you will work with high levels ...

growing team An exciting opportunity to work for a leading company with a significant presence globally as part of a growing London-based Data Science team. The company is known for their specialization in complex fields and they have built a reputation for using data science and analytics … decision‐making across the whole organisation. The role You will be an integral part of a skilled technical team with a focus on leveraging data science to support a wide range of business functions. As a Principal Data Scientist, you will be responsible for leading ...

Stantec Consulting International Ltd. is looking for a Principal Data Scientist to join their team in High Wycombe or London. The role involves leading data science initiatives, developing data-driven insights, and mentoring junior colleagues. Candidates should excel in Python, machine learning, and cloud solutions. ...

opportunity for meaningful innovation and are proud to set the gold‐standard for marrying technical excellence with safe deployment. About the role As a Principal Data Scientist at Faculty, you will serve as a technical leader and domain expert who owns and drives the delivery … most technically complex, high‐impact projects and programmes for our most important clients. You also will set the technical direction for the data science team, mentor, and develop them so our data scientists remain best in class. This position focuses on deep individual contribution and technical excellence, influencing ...

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. ...

Search Place Limited seeks a Principal Data Scientist to lead technical initiatives in the Claims Fraud team. The role emphasizes turning data into impactful strategies while working in dynamic environments. The ideal candidate will possess significant experience with end-to-end machine learning solutions ...

Technology Partners are working with a Private Equity backed property operations business based in London who are looking to appoint a highly skilled Principal Data Scientist, focused on improving, automating and driving efficiency in the existing finance processes, as the business looks to modernise. You will … partner with key business stakeholders and be expected to quickly understand the existing processes and procedures in place, before utilising a highly analytical data driven approach to design, plan and execute significant process upgrades across the Finance function in conjunction with the CFO. You will be expected to lean ...

people, who are relentlessly resourceful to solve problems and find smarter solutions than the status quo Build the best technology in-house , using new data sources, machine learning and AI to make machines do the heavy lifting About the role We are looking for the first data scientist to own the data science strategy for non-lending products. You will partner with the managing directors to define what to build from a data science perspective and lead the delivery of the data science projects. So far, we have successfully re-engineered our 'Big Three ...

leading AI consultancy in Greater London is looking for a Principal Data Scientist to lead complex projects and mentor a talented team. The ideal candidate has a strong background in machine learning, particularly in Generative AI, and extensive experience within financial services. Responsibilities include serving ...

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 ...