51 to 75 of 86 Senior Data Scientist Jobs

Principal Associate, Data Scientist - LLM Customization Team Data is at the center of everything we do. As a startup, we disrupted the credit card industry by individually personalizing every credit card offer using statistical modeling and the relational database, cutting edge technology in 1988! Fast-forward … years, and this little innovation and our passion for data has skyrocketed us to a Fortune 200 company and a leader in the world of data-driven decision-making. As a Data Scientist at Capital One, you'll be part of a team that's leading ...

Make a real difference with your engineering and analytical skills. At SheerID, we're building the future of secure, data-driven marketing with our innovative Audience Data Platform. Our mission is to deliver a seamless verification experience for millions of users monthly, ensuring that exclusive offers reach … right people while proactively identifying and neutralizing sophisticated fraud. As a Principal Data Scientist, you'll play a critical role in architecting, developing, and deploying cutting‐edge fraud detection and prevention systems within our SaaS solutions. You will have a direct impact on SheerID’s growth by safeguarding ...

enterprise adoption. The team is small, high-calibre, and working directly with customers on high-impact, real-world problems. This role is a foundational Senior Data Scientist hire, focused on defining how AI systems are evaluated and validated. You will combine deep statistical expertise with product thinking ...

Principal Data Scientist Location: London Mode of working: Hybrid. Minimum 3 days/week in office. Objective: Above Role: The Principal Data Scientist/AI Technical Lead works with established and highly capable ML teams to advance their technical maturity. This role provides deep technical leadership … frameworks Support: A/B testing Model comparison strategies Reproducibility and governance Strengthen scientific rigour in ML delivery Act as a credible peer to senior and PhD‐level data scientists Confidently challenge and influence technical decisions Balance innovation with business practicality Must‐have skills: Expert‐level Python ...

Principal Data Scientist London - UK Wide Travel Expected If you're a hands-on Data Science/AI specialist who loves solving real operational problems, this role puts you right at the heart of client delivery. You'll shape the problems, design and build the solutions … POCs. THE COMPANY This fast-growing consulting firm helps organisations across the public sector, defence and commercial markets deliver measurable improvements in performance through data, AI and digital solutions. They are building a modern AI & Digital capability that sits at the front of transformation programmes, working shoulder-to-shoulder ...

About The Role As a Principal Data Scientist, you will enhance PEI's growth and achievement by improving the customer experience with intelligent, customized solutions. You will leverage the latest AI and ML technologies to ensure our customer offerings are not only enjoyable and seamless but also … cutting edge of industry innovation. In this role, you will shape the principles and practice of Data Science delivery at PEI. You will build models that drive impact for customers and impact your peers through mentoring and the dissemination of your ideas and principles. We are embarking upon ...

world's money. For everyone, everywhere. More about our mission and what we offer . Job Description We’re looking for a Lead Data Scientist to join our growing Trust & Safety Team in London. This role is a unique opportunity to work behind the scenes of company transactions … seamless service they deserve. What you build will have a direct impact on Wise’s mission and millions of our customers. As a Lead Data Scientist in the Trust & Safety team, you will leverage your expertise in data science to innovate and deploy models that detect ...

pioneering biotech firm in Greater London is seeking a Senior/Principal Data Scientist to develop AI systems that drive scientific discovery. You will work in an interdisciplinary environment focusing on large language models and machine learning, translating complex biological questions into computational tools. The ideal candidate ...

Principal Data Scientist page is loaded## Principal Data Scientistremote type: Hybridlocations: London, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: R0020855## What You'll Do* Lead high-impact data science initiatives end-to-end, including problem framing, methodology selection, experiment development, implementation partnership … Drive scalable experimentation with A/B and Multi-armed bandit testing frameworks, power analysis, variance reduction, and online-offline alignment.* Work together with Data Engineering, MLOps, and Game Tech teams to guarantee dependable data foundations, feature accessibility, and model deployment pathways.* Build internal data products ...

leading analytics company in London is seeking a Senior Principal Data Scientist to provide technical leadership in advanced analytics and machine learning. This role involves mentoring fellow data scientists and collaborating with cross-functional teams to deliver data-driven solutions, with a focus … aviation sector. Ideal candidates will have expertise in data management, strong programming skills in Python and SQL, and the ability to communicate complex ideas effectively. This position offers generous company benefits and opportunities for personal growth. #J-18808-Ljbffr ...

leading analytics firm in London seeks a Senior Principal Data Scientist to drive advanced analytics in the aviation sector. This pivotal role emphasizes mentorship, technical leadership, and hands-on development of innovative data-driven solutions. Ideal candidates should be proficient in Python and SQL, experienced ...

lending decisions? Have you worked on customer prediction problems like pricing, forecasting, or segmentation? Are you ready to join a fast-paced fintech where Data Science sits at the core of the business? We’re hiring a Data Scientist (1–2 years experience) for a well-established … consumer fintech operating across lending and credit products. The business is profitable, highly data-driven, and known for its strong engineering and modelling standards. With continued international growth, there is significant opportunity to work on impactful, production-level problems. This is not a reporting or BI role. ...

technology company in the United Kingdom is seeking a Principal Data Scientist to architect and deploy innovative fraud detection systems. You will lead in building scalable models and mentor a high-performing team. The ideal candidate has over 20 years of experience in data science, especially ...

pladis Foods Limited in High Wycombe is seeking a Senior Data & Modelling Scientist to drive innovation through advanced modeling and analytics. The successful candidate will build predictive models, enhance ingredient understanding, and collaborate with product developers. A degree in a relevant field and experience with AI/ ...

Firmwide Chief Data Office is responsible for maximizing the value and impact of data globally, in a highly governed way. It consists of several teams focused on accelerating JPMorgan Chase’s data, analytics, and AI journey, including data strategy, data impact optimization, privacy, data governance, transformation, and talent. We are looking for a team member to help support the strategy for how we make data available to power everything from new product development to Artificial Intelligence models. This team member will join the team responsible for supporting the Firmwide data publishing ...

think big and bring your ambition to work every day, which is why, at British Airways the sky is never the limit. Principal Data Scientist You’ll be part of the Operations Delivery Intelligence (ODI) directorate, leading the delivery of high‐value data science products that support … automate decision‐making across critical business areas. This team plays a vital role in unlocking value from data, driving optimisation and enabling evidence‐based decisions across the airline. What you’ll do: Lead the end‐to‐end delivery and lifecycle management of data science products and initiatives Scope ...

significant impact on the gaming industry? At Aristocrat, we aim to bring happiness to life through the power of play. We seek a Principal Data Scientist to help us reach our ambitious goals. You will have a vital role in enhancing gameplay, boosting player engagement, and improving business … outcomes with your advanced data expertise. This opportunity allows you to work on innovative projects, collaborate with diverse teams, and guide critical initiatives that will develop the future of our leading games. What You'll Do Lead high-impact data science initiatives end-to-end, including problem framing ...

Description Kainos is recognised as one of the UK’s leading AI and data businesses, with a decade-long track record of delivering impactful, production-grade AI solutions for clients across government, healthcare, defence, and commercial sectors. Kainos is at the forefront of AI innovation, trusted by Microsoft … others to deliver advanced AI and data solutions at citizen scale. Our 150-strong AI and Data Practice brings together deep expertise in machine learning, generative AI, agentic AI and data. We are pioneers in responsible AI, having authored the UK government’s AI Cyber Security Code ...

Lead Data Scientist Up to £125,000 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 ...

global insurance company is looking for a Principal Data Scientist to lead complex data science initiatives in London or York. You will manage the delivery of impactful data science projects and mentor fellow data scientists. Your role is pivotal in enhancing underwriting capabilities and influencing ...

Cognizant is seeking a Principal Data Scientist in London to lead advanced machine learning initiatives and provide technical leadership. This hybrid role requires expertise in Python, deep learning, and MLOps, along with strong communication and problem-solving skills. The successful candidate will guide complex ML projects and support ...

site Salary: Up to 67000 + 30 Days Holiday + Performance Bonus Sector: Independent National Standards & Research The Opportunity They are seeking a Lead Data Scientist to join a high-impact Directorate of Data Science and AI at the heart of Great Britain's national infrastructure. This … development of digital products and decision-support tools that directly improve the safety, efficiency, and sustainability of a major national network. As a senior practitioner, you will bridge the gap between technical delivery and senior leadership. You will be the technical heartbeat of the team - ensuring high-quality ...

Description White Collar Factory (95009), United Kingdom, London, London Lead Data Scientist - Deep Learning Practitioner About this role Our Data Science team focuses on the development of Machine Learning and Deep Learning solutions, to solve business problems and deliver actionable insights. We are a talented, collaborative … enthusiastic group, who use our expertise to derive insights from complex data, working in close collaboration with our business partners. This role will primarily focus on leading the development of proprietary deep learning models to address critical business challenges in underwriting. The role will also involve supporting our business ...

Description White Collar Factory (95009), United Kingdom, London, London Lead Data Scientist - Deep Learning Practitioner About this role Our Data Science team focuses on the development of Machine Learning and Deep Learning solutions, to solve business problems and deliver actionable insights. We are a talented, collaborative … enthusiastic group, who use our expertise to derive insights from complex data, working in close collaboration with our business partners. This role will primarily focus on leading the development of proprietary deep learning models to address critical business challenges in underwriting. The role will also involve supporting our business ...

Engineer/Data Scientist 3 days in Leeds or Nottingham We are working with a leading data and analytics organisation supporting banks and lenders by analysing large-scale consumer and transactional data. The Role You'll join a specialist AI & Machine Learning team building modern credit risk ...