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 ❯
Job Description 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, 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 … 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 ❯
We're looking for a PrincipalDataScientist 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 … helping shape how we scale LLM usage responsibly across the platform. You bridge product and engineering by embedding AI into user-facing features, not just prototypes. Collaborate closely with Principal Engineer to align AI workflows, system prompts, and model interaction layers. What excites us? We've moved past experimentation. We have live AI features and a strong pipeline of More ❯
the 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 PrincipalDataScientist to lead the design, development, and deployment of cutting-edge AI/ML solutions across our Banking AI portfolio. This role is central to Temenos … 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 ❯
constant 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 PrincipalData 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. … 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 ❯
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 ❯
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 ❯
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 ❯
