11 of 11 Principal Data Scientist Jobs in the City of London

Principal Data Scientist Location: London (3 days per week on-site) Salary: ~£100,000 - £130,000 About the Company A global education group backed by a leading private equity firm is embarking on an ambitious technology transformation. With a network of premium schools across more than 80 locations and over 100,000 students worldwide, the organisation is … learning. Having modernised its technology stack and introduced digital platforms for parents and teachers, the group is now turning its attention to the next frontier: unlocking the power of data to drive smarter decisions, enhance student experiences, and support its global growth. The Opportunity We’re looking for a Principal Data Scientist to build and own … the organisation’s data science capability from the ground up. This is a newly created role at the centre of the company’s digital and data strategy — working closely with the CIO and senior leadership team to define where and how data can deliver the most value. You’ll help the organisation move from descriptive reporting to More ❯

Principal Data Scientist Location: London (3 days per week on-site) Salary: ~£100,000 - £130,000 About the Company A global education group backed by a leading private equity firm is embarking on an ambitious technology transformation. With a network of premium schools across more than 80 locations and over 100,000 students worldwide, the organisation is … learning. Having modernised its technology stack and introduced digital platforms for parents and teachers, the group is now turning its attention to the next frontier: unlocking the power of data to drive smarter decisions, enhance student experiences, and support its global growth. The Opportunity We’re looking for a Principal Data Scientist to build and own … the organisation’s data science capability from the ground up. This is a newly created role at the centre of the company’s digital and data strategy — working closely with the CIO and senior leadership team to define where and how data can deliver the most value. You’ll help the organisation move from descriptive reporting to More ❯

Principal Data Scientist - Financial Services - London/Flexible 2 days a week in the Central London office expected, the rest from home Up to 110k per annum plus excellent benefits and flexibility Principal Data Scientist required for a well-known organisation progressing through exciting transformation and investment in its systems and data. Fantastic opportunity … rapidly growing business if you have the following experience & knowledge: Ideally you will have experience leading/mentoring a team, but ideally you will still be a hands-on data scientist, particularly with experience in model validation & setting up risk frameworks. Preferably you will have a background working in the financial services industry , either institutional or regulatory side … Credit scoring and predictive modelling for financial institutions. If you’re interested in finding out more, please apply and your application will be reviewed by Ian Tittley at Investigo! Principal Data Scientist – Financial Services - London/Flexible More ❯

Principal Data Scientist - Financial Services - London/Flexible 2 days a week in the Central London office expected, the rest from home Up to 110k per annum plus excellent benefits and flexibility Principal Data Scientist required for a well-known organisation progressing through exciting transformation and investment in its systems and data. Fantastic opportunity … rapidly growing business if you have the following experience & knowledge: Ideally you will have experience leading/mentoring a team, but ideally you will still be a hands-on data scientist, particularly with experience in model validation & setting up risk frameworks. Preferably you will have a background working in the financial services industry , either institutional or regulatory side … Credit scoring and predictive modelling for financial institutions. If you’re interested in finding out more, please apply and your application will be reviewed by Ian Tittley at Investigo! Principal Data Scientist – Financial Services - London/Flexible More ❯

Principal Data Scientist (Hybrid work in London - roughly 1/2 days a week in London) We’re partnered with a well-established, tech-driven company that’s redefining how data science supports product innovation and customer experience across its domain. With a strong focus on automation, personalisation, and intelligent decisioning, this organisation is placing data … moving, high-ownership culture. Their environment encourages experimentation, cross-functional collaboration, and the freedom to shape what “great” looks like in machine learning at scale. The Role As a Principal Data Scientist, you’ll play a pivotal role in shaping the company’s ML capability, both technically and culturally. Working alongside a collaborative data science team … real-time modelling infrastructure. This is a hybrid hands-on/leadership role, ideal for someone who thrives at the intersection of applied research, platform integration, and engineering-minded data science. What You’ll Be Doing Build and deploy a wide variety of models spanning classification, regression, propensity scoring, and LLM-based use cases Spearhead the entire company’s More ❯

Principal Data Scientist (Hybrid work in London - roughly 1/2 days a week in London) We’re partnered with a well-established, tech-driven company that’s redefining how data science supports product innovation and customer experience across its domain. With a strong focus on automation, personalisation, and intelligent decisioning, this organisation is placing data … moving, high-ownership culture. Their environment encourages experimentation, cross-functional collaboration, and the freedom to shape what “great” looks like in machine learning at scale. The Role As a Principal Data Scientist, you’ll play a pivotal role in shaping the company’s ML capability, both technically and culturally. Working alongside a collaborative data science team … real-time modelling infrastructure. This is a hybrid hands-on/leadership role, ideal for someone who thrives at the intersection of applied research, platform integration, and engineering-minded data science. What You’ll Be Doing Build and deploy a wide variety of models spanning classification, regression, propensity scoring, and LLM-based use cases Spearhead the entire company’s More ❯

Lead/Principal Data Scientist London - 3 days a week Up to £135,000 About the Company We’re working with a next-generation private markets firm that is redefining value creation by combining deep industry expertise with data science and machine learning. This is a unique opportunity to join a company that partners directly with … portfolio companies to drive measurable operational and financial performance. They’re now hiring a Lead/Principal Data Scientist to lead machine learning projects across a wide variety of real-world domains. Working closely with a multidisciplinary team, you’ll have the autonomy to shape technical approaches while staying closely tied to commercial outcomes. This role is … ideal for someone who enjoys solving complex, ambiguous business problems using data science, and wants to work at the intersection of technology, investment, and strategy. Key Responsibilities Translate complex business problems into measurable data science solutions that deliver commercial value Lead the design, development, and deployment of predictive and optimisation models across multiple industries Own the end-to More ❯

Lead/Principal Data Scientist London - 3 days a week Up to £135,000 About the Company We’re working with a next-generation private markets firm that is redefining value creation by combining deep industry expertise with data science and machine learning. This is a unique opportunity to join a company that partners directly with … portfolio companies to drive measurable operational and financial performance. They’re now hiring a Lead/Principal Data Scientist to lead machine learning projects across a wide variety of real-world domains. Working closely with a multidisciplinary team, you’ll have the autonomy to shape technical approaches while staying closely tied to commercial outcomes. This role is … ideal for someone who enjoys solving complex, ambiguous business problems using data science, and wants to work at the intersection of technology, investment, and strategy. Key Responsibilities Translate complex business problems into measurable data science solutions that deliver commercial value Lead the design, development, and deployment of predictive and optimisation models across multiple industries Own the end-to More ❯

Principal Data Scientist Logistics AI Company (Up to £120,000 per annum) London (4 days per week in office) La Fosse have partnered with a ambitious AI company transforming how businesses in the logistics sector operate. La Fosse are supporting this rapidly expanding AI business in preparing for an international launch, we’re now looking for a … Senior and Principal Data Scientist. What you’ll be doing: Build, deploy, and scale machine learning systems that forecast demand, optimise staffing, and improve operational performance across thousands of venues. Lead projects end-to-end, from data design and modelling through to validation, deployment, and monitoring. Develop AI systems across areas such as computer vision, forecasting, optimisation … and emerging generative or agentic models. Partner with engineers to design scalable ML pipelines, APIs, and real-time infrastructure. About you: Background in Computer Science, Mathematics, Data Science, or AI (Master’s or PhD preferred). 5+ years’ experience developing and deploying ML models in production environments. Strong Python skills, with experience in frameworks like PyTorch, TensorFlow, or Hugging More ❯

Principal Data Scientist Up to £150,000 London (2-3 days onsite per week - client travel) Company: Join a management consultancy that has been disrupting the industry for over a decade. They work across sectors including Defence, Retail, Government, and Healthcare, delivering bespoke Data Science and Machine Learning solutions. By combining strategy, innovation, and execution, they … help organizations turn bold ideas into real-world impact Responsibilities: Own the end-to-end delivery of complex data science and machine learning projects Define and drive data science strategies that align with client goals and broader organizational objectives. Develop tailored models and algorithms to solve unique client problems to deliver real business value. Stay at the forefront More ❯

Lead/Principal Data Scientist x2/3 days a week in the office About the Role & Company This is a leadership opportunity at a fast-scaling AI consultancy known for its technical excellence and track record in delivering real-world impact across some of the most important companies globally. The team helps major clients in the … Retail sector apply cutting-edge data science in complex operational environments, balancing innovation with reliability and rigour. You’ll join a deeply technical, collaborative group working on custom AI and machine learning solutions that support automation, forecasting, and decision intelligence. The focus is on strategic value creation: solving ambiguous problems with clarity, and delivering tools that embed into the … heart of client systems. What You’ll Be Doing Set the technical direction on multi-disciplinary data science & AI projects, from approach selection to architecture design Take ownership of full solution pipelines, leading hands-on development and supporting others to do the same Work closely with senior client stakeholders to shape project scope, track value delivery, and communicate findings More ❯