176 to 196 of 196 Senior Data Scientist Jobs in the UK

Principal Data Scientist 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 models … 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 ❯

Lead/Principal Data Scientist 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 learning … 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 ❯

pricing models, we build the driving intelligence that feeds them. Our mission is to drive safer roads and fairer insurance through data. The Telematics team transforms raw phone sensor data into meaningful insights about how people drive. Using advanced signal processing and machine learning, we process high-frequency data to extract behavioural signals that power our understanding of … driving quality, context, and risk. About the Role As a Lead Data Scientist, you'll drive the technical direction of our behavioural modelling work. You'll lead the development of telematics features from idea to production, including exploratory analysis, signal design, risk evaluation, and scalable deployment. This is a hands-on leadership role where you'll design solutions … mentor other scientists, influence architecture across systems, and guide decision-making in uncertain or complex contexts. We're looking for an applied scientist - someone who thrives on getting things into production, values strong engineering, and has opinions on building reliable, scalable systems. What you will be doing Drive the development of telematics features from mobile sensor data, including More ❯

Job Description Lead/Principal Data Scientist 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, youll 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 Youll 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 learning … 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 ❯

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—ideal for … 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 ❯

and every organization on the planet to achieve more. Microsoft believes that artificial intelligence will play a critical role in accomplishing that mission. We're looking for a Principal Data Scientist to help shape the future of Microsoft 365 Copilot, with a focus on Search, Chat and Research experiences.This role sits within the Microsoft Search, Assistant, and Intelligence … MSAI) organization, which powers the intelligence behind M365 Copilot by combining cutting-edge advances in generative AI with personalized search and recommendation systems. As a Principal Scientist in MSAI, you will work in an exciting and fast-paced, collaborative environment. You'll bring deep expertise in large language models (LLMs), information retrieval, and machine learning to improve the quality … 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 More ❯

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: Lead the development of Data Science within Product, producing statistical models that directly impact the insights and recommendations that drive the product and customer experience. Use your knowledge and experience to help scale the … impact of the Product Analytics team through data science. Creating automation, self service model capability, improve experimentation velocity, and drive efficiency. Architect and implement sophisticated statistical models (predictive, classification, clustering, etc.) to enhance product features like personalization and recommendations. Exploration of new tooling, product and approaches including Agentic AI and AI Agents, to identify opportunity areas, explore through POC … to then drive to adoption. Partner with Product Managers, Designers, and Engineers to identify high-impact opportunities where data science can solve customer problems and improve the product. Champion experimentation by designing and analyzing complex AB tests, causal inference models, and uplift modeling to inform product decisions. Guide and mentor other product analysts in best practices for experimentation, modeling More ❯

Our Experian Software Solution's Analytics Services Team supports analytic and generative AI products for decisioning, analytics, and fraud and identity globally. As a Lead Data Scientist, you will use your coding expertise (Python, SAS), model risk management and Gen AI knowledge and experience, and analytic consulting skills to lead client and internal engagements for Experian's new … global product launch and early client success efforts. Responsibilities: Collaborate with Engineering and Data Science teams in the design and implementation of Machine Learning, Dashboarding, Ad Hoc Analysis and AI applications in a cloud-native big data platform. Partner with Leaders, Analytic Consultants, Engineers, Account Executives, Product Managers, and external partners to bring new innovative solutions to market … regulatory requirements. Stay informed about regulatory changes, technological advancements, and model risk management processes and controls to ensure the technology stack meets all compliance requirements. Research and integrate new data assets from different sources into Experian's ML and AI platform. Develop and assess analytic tools developed internally and externally. Gather feedback from internal and external clients to guide More ❯

power to create their own destiny and make a positive contribution to the world of banking and society. THE ROLE We are seeking a visionary and hands-on Principal Data Scientist to lead the design, development, and deployment of cutting-edge AI/ML solutions across our Banking AI portfolio. This role is central to Temenos AI strategy … operate and serve their customers. You will work closely with product managers, engineers, and domain experts to build scalable, ethical, and high-performing AI systems. You will also mentor data scientists, contribute to AI governance, and drive innovation in areas such as GenAI, LLMs, and predictive analytics. OPPORTUNITIES AI Strategy & Innovation Lead research and prototyping of novel AI techniques … models into scalable, cloud-native and on-prem systems. Establish best practices for model monitoring, retraining, and lifecycle management. Technical Leadership & Mentorship Provide technical direction and mentorship to junior data scientists and engineers. Review code, model architectures, and experiments to ensure scientific rigor and quality. Contribute to the development of internal AI frameworks, tools, and reusable components. Stakeholder Engagement More ❯

We're looking for a Principal Data Scientist to lead the design of AI systems that can support complex, multi-step tasks, use tools, adapt to context, and make intelligent decisions. You'll work closely with product and engineering to architect LLM-powered features that are robust, useful, and production-ready not just impressive demos. This role is … ideal for someone who not only understands data and AI deeply but also brings strong software engineering instincts. Someone who can design intelligent systems that operate reliably and scalably within a complex product environment. What you'll be doing You will explore and implement RAG or Graph RAG approaches to improve retrieval quality and reasoning in LLM workflows, including … to reason about multi-hop question answering, graph traversal, and integrating structured retrieval with LLM prompts. Performance over time. 5+ years experience in applied AI, machine learning systems, or data science roles with production responsibility. Proficiency in Python, with experience building and maintaining AI systems, not just analyses. Experience working in Java or TypeScript environments beneficial. Experience with Claude More ❯

This research team is looking for an experienced engineer or post-doctoral scientist to help them explore the use of modern ML techniques for solving problems across defence related domains such as RF, edge AI and AI security. They work collaboratively within their team as well as with other teams working on similar problems spread across the country. Their More ❯

Explore AI/ML solutions to tough physics problems in the Defence domain This research team is looking for an experienced engineer or post-doctoral scientist to help them explore the use of modern ML techniques for solving problems across defence related domains such as RF, edge AI and AI security. They work collaboratively within their team as well More ❯

evolving digital landscape, delivering cutting-edge products to over one million digital subscribers daily. Our growth relies on a diverse, dedicated and dynamic group of product, tech, delivery and data specialists. With a supportive culture, entrepreneurial spirit and opportunities at every turn, there are no limits to where your FT career can take you. Build a newsworthy career at … are committed to removing barriers for everyone, with a focus on addressing those faced by underrepresented groups. The Role This is a unique opportunity for someone with experience managing data science projects and leading data scientists. You'll head a team focused on growing our subscriber base and supporting our award-winning journalism. You'll collaborate across cross … functional teams of data scientists, ML engineers, developers, product managers, marketers and journalists to shape and deliver impactful projects. These range from personalising content recommendations to churn prediction and subscription optimisation. If you're passionate about applying data science to business challenges in a creative, collaborative way, we'd love to hear from you. Key Responsibilities Manage and More ❯

Lead Consultant - Data Science Technology-led Management Consultancy 💸 £80k - £120k 🏠 Hybrid/London office/Travel required I’m currently partnered with a leading consulting firm specializing in providing technology consultancy and business process outsourcing services. With a global presence and a reputation for supporting their employees with growth, training and professional development, they partner with clients to embed … technology led solutions and achieve improved business performance. You will be designing and executing data science solutions to solve a variety of business problems and enhance business performance for a wide array of clients. You will project lead teams of Data Scientists, collaborating closely with cross-functional teams to deliver innovative machine learning and AI projects. You will … leverage advanced technical skills in coding and modelling as well as nurturing client relationships and identifying further commercial opportunities for data science and AI work. Naturally at this grade, you will have the chance to employ and flex senior leadership qualities, working in harmony with clients to empathise, understand and dissect their challenges, as well as pull on More ❯

Lead Consultant - Data Science Technology-led Management Consultancy 💸 £80k - £120k 🏠 Hybrid/London office/Travel required I’m currently partnered with a leading consulting firm specializing in providing technology consultancy and business process outsourcing services. With a global presence and a reputation for supporting their employees with growth, training and professional development, they partner with clients to embed … technology led solutions and achieve improved business performance. You will be designing and executing data science solutions to solve a variety of business problems and enhance business performance for a wide array of clients. You will project lead teams of Data Scientists, collaborating closely with cross-functional teams to deliver innovative machine learning and AI projects. You will … leverage advanced technical skills in coding and modelling as well as nurturing client relationships and identifying further commercial opportunities for data science and AI work. Naturally at this grade, you will have the chance to employ and flex senior leadership qualities, working in harmony with clients to empathise, understand and dissect their challenges, as well as pull on 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 ❯

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 ❯

The Company A fast-scaling RegTech startup is looking for a Senior AI Engineer to help shape and scale its next-generation regulatory change management platform, powered by GenAI and automation. Backed by a major global bank and already working with several high-profile financial institutions, the company combines start-up agility with enterprise-grade ambition and infrastructure. Currently More ❯

has the power to create their own destiny andmake a positive contribution to the world of banking and society. THE ROLE We are seeking a visionary and hands-onPrincipal Data Scientistto lead the design, development, and deployment of cutting-edgeAI/ML solutionsacross our Banking AI portfolio. This role is central to Temenos' AI strategy, delivering responsible, high-impact … operate and serve their customers. You will work closely with product managers, engineers, and domain experts to build scalable, ethical, and high-performing AI systems. You will also mentor data scientists, contribute to AI governance, and drive innovation in areas such as GenAI, LLMs, and predictive analytics. OPPORTUNITIES AI Strategy & Innovation Lead research and prototyping of novel AI techniques … models into scalable, cloud-native and on-prem systems. Establish best practices for model monitoring, retraining, and lifecycle management. Technical Leadership & Mentorship Provide technical direction and mentorship to junior data scientists and engineers. Review code, model architectures, and experiments to ensure scientific rigor and quality. Contribute to the development of internal AI frameworks, tools, and reusable components. Stakeholder Engagement More ❯

curiosity, and a willingness to challenge how things have always been done. Thats exactly the mindset this rapidly expanding European tech company is looking for in its next Principal Data Scientist. As they continue to scale off the back of real success, their mission is clear: make AI more accessible and impactful for businesses everywhere. Their intelligent products help … organisations tap into the power of data to drive smarter decisions, uncover hidden opportunities, and transform operations, and youll play a key role in making that happen. In this role, youll be responsible for leading a talented team of data scientists and ML engineers, helping to architect, build, and refine intelligent systems from the ground up. Guiding them … and experimentation to production deployment and performance monitoring. Setting high standards while creating space to learn and grow through trial and iteration. Youll bring a deep understanding of modern data science and machine learning techniques and know when to apply the right tools, whether thats deep learning, statistical modelling, or classical ML methods. Your toolkit includes Python, SQL, and More ❯

building robust Generative AI and Machine Learning capabilities that shape the future of customer engagement, business intelligence, and innovation. You will technically drive your team to deliver world-class data science and AI capabilities across RBS and the Group. Our strategic focus is on positioning the Group at the forefront of AI innovation, delighting our customers at every interaction … Agentic AI. What Youll Do: Set and communicate a clear AI vision aligned with business goals. Lead the development of innovative solutions to complex challenges using advanced AI and data science. Stay ahead of industry trends by applying new technologies and research. Provide strategic and technical leadership across AI projects, ensuring excellence in delivery. Collaborate with top AI and … data science talent to build a high-performance culture. Partner with internal teams and external experts to share knowledge and drive AI-led impact. Expand the use of Generative and Agentic AI to improve customer experiences and simplify operations. Upskill teams in Gen AI techniques like prompt design, RAG, fine-tuning, and agentic frameworks. Build reusable Gen AI frameworks More ❯