Lead Data Scientist Jobs in the City of London

12 of 12 Lead Data Scientist Jobs in the City of London

Lead Data Scientist

City of London, London, United Kingdom
Harnham
Lead Data Scientist London - 3 days a week Up to £125,000 About the Company We’re working with a next-generation private markets firm that is redefining value creation by combining deep industry expertise with advanced AI and data science. This is a unique opportunity to join a company that partners directly with portfolio companies … to drive measurable operational and financial performance—powered by data. They’re now hiring a Lead Data Scientist to lead high-impact analytics and 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 More ❯
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Lead Data Scientist

City of London, London, United Kingdom
Harnham
Lead Data Scientist Hybrid - London 1 day per week Up to £85,000 About the Role We are working with a high-growth performance marketing and technology company who are looking for a new Lead Data Scientist to join the team. You'll be working at the intersection of data, technology, and marketing … you’ll lead the delivery of cutting-edge machine learning, optimisation, and analytics solutions that drive measurable business outcomes. Reporting directly to the Director of Data, you’ll take ownership of high-impact projects across areas such as customer lifetime value, predictive modelling, bidding optimisation, and experimentation, whilst also acting as a data lead for major … clients. Initially hands-on, this role will evolve into a more strategic leadership position, with team management responsibilities (starting with three Data Scientists, growing to five within a year) expected within the first six months. Key Responsibilities Lead and deliver data science solutions across predictive modelling, optimisation, and experimentation. Act as a strategic data partner to More ❯
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Lead Data Scientist

City of London, London, United Kingdom
Harnham
Lead Data Scientist Hybrid - London (3 days a week) Up to £80,000 We are working with ahousehold fashion brand. They are on the lookout for a Principal Data Scientist to join its growing Data & Analytics team. With a presence across a thriving eCommerce platform, mobile app, and 300+ retail stores, this is your … chance to join an exciting team. As Principal Data Scientist, you’ll lead the data science function, supporting customer understanding, marketing effectiveness, and personalisation. From optimising campaign performance to driving loyalty and segmentation strategies, you’ll help put data at the heart of every customer interaction. The Role: Lead, mentor, and grow a team … of Data Scientists and Analysts focused on customer and marketing use cases. Build and deploy models that support personalisation, customer segmentation, lifetime value prediction, churn prevention, and marketing attribution. Partner closely with CRM, Digital Marketing, and eCommerce teams to deliver data-driven improvements across the customer journey. Leverage advanced analytics to understand customer behaviour and optimise marketing spend More ❯
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Lead Data Scientist

City of London, London, United Kingdom
Harnham
Lead Data Scientist – Competitions team London – Hybrid Up to £80,000 About the Role We’re working with one of Europes largest media businesses as they look to expand a best-in-class data function. They’re now hiring a Lead Data Scientist to join their Competitions team - a high-impact, fast-moving … group focused on driving listener engagement, participation, and revenue through interactive competitions and consumer promotions. Role: Lead full-lifecycle data science projects within the Competitions domain — from discovery and modelling to deployment and business adoption. Design and implement models to forecast participation, optimise pricing and prize strategies, and segment audiences based on engagement patterns. Work closely with stakeholders … modelling into how the team runs campaigns and measures impact. Support the team with clear, explainable insights that can inform creative, operational, and compliance decisions. Mentor analysts and junior data scientists, and contribute to the wider data science capability across the business. Write clean, well-documented Python and SQL code, and collaborate with engineering teams to productionise models More ❯
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Lead Data Scientist

City of London, London, United Kingdom
Mentmore
Lead Data Scientist £75,000 per annum Hybrid | Central London (2–3 days per week in-office) Permanent | Full-Time We’re working with a leading UK-based law firm that’s investing heavily in digital transformation, innovation, and AI. As part of this, we're recruiting a Lead Data Scientist to help shape … and deliver scalable products that sit at the intersection of data science, software engineering, and DevOps. If you’re a technically curious builder with a track record of delivering software into production - and you're ready to take the lead in a collaborative, fast-paced environment - this could be the ideal next step in your career. Key Responsibilities … Lead the development of innovative digital products from concept through to production Design and build scalable, containerised software solutions that incorporate data science components Make architectural decisions around tooling, frameworks, and development approaches Work with DevOps practices including Docker, Terraform, and cloud deployment (Azure preferred) Collaborate closely with cross-functional teams including product managers, data scientists, and More ❯
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Lead Data Scientist

City of London, London, United Kingdom
Harnham
Lead Data Scientist – ML Focused Remote – UK Up to £90,000 + Benefits About the Role We’re hiring a Lead Data Scientist to join a fast-growing, specialist data consultancy delivering high-impact solutions across sectors such as energy, public sector, manufacturing, and health. You’ll play a key role in solving … client-facing capacity. This is a leadership position, ideal for someone who thrives in a consultancy environment and wants to deliver real-world impact. Key Responsibilities Design and deliver data science solutions end-to-end, from discovery through deployment. Lead project teams, mentor junior colleagues, and manage delivery standards across multiple workstreams. Communicate complex findings clearly to senior … stakeholders and clients. Support business development through proposal writing and pre-sales work. We're looking for someone with: Proven experience delivering data science projects in a consultancy setting. Strong Python skills with experience in ML or GenAI (e.g. LLMs, prompt engineering, optimisation). Excellent communication and stakeholder management abilities. A track record of managing teams and shaping development More ❯
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Lead Data Scientist - Credit Risk/Pricing

City of London, London, United Kingdom
Kinarden Search
Lead Data Scientist – Credit Risk/Pricing A fast-growing fintech is searching for a Lead Data Scientist to spearhead their next phase of AI and analytics innovation. You’ll combine hands-on modelling with leadership responsibilities, guiding a small team while shaping the company’s long-term data science strategy. This role … in credit, fraud and pricing modelling. Advanced skills in Python, SQL, and ML frameworks. Proven ability to design, deploy, and monitor models in production. Leadership experience - mentoring or managing data science teams. Confidence in regulated environments: model governance, monitoring. Excellent communicator who can influence senior stakeholders. The Opportunity Lead and develop a small data science team. Build More ❯
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Lead Data Scientist - Credit Risk/Pricing

london (city of london), south east england, united kingdom
Kinarden Search
Lead Data Scientist – Credit Risk/Pricing A fast-growing fintech is searching for a Lead Data Scientist to spearhead their next phase of AI and analytics innovation. You’ll combine hands-on modelling with leadership responsibilities, guiding a small team while shaping the company’s long-term data science strategy. This role … in credit, fraud and pricing modelling. Advanced skills in Python, SQL, and ML frameworks. Proven ability to design, deploy, and monitor models in production. Leadership experience - mentoring or managing data science teams. Confidence in regulated environments: model governance, monitoring. Excellent communicator who can influence senior stakeholders. The Opportunity Lead and develop a small data science team. Build More ❯
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Lead Data Scientist

City of London, London, United Kingdom
Harnham
Lead Decision/Data Scientist – Credit London, UK – Hybrid Up to £100,000 + Benefits About the Company We are working with a fast-growing fintech scaleup, who are on a mission to reshape access to financial services across underserved markets. With a strong focus on innovation, collaboration, and data-driven decision-making, the company is … building impactful financial products tailored to real customer needs. We’re looking for a Lead Decision Scientist, to lead the development, deployment, and ongoing optimisation of credit risk models. This is a high-impact position at the intersection of data science, risk, and business strategy. You’ll drive lending strategy, own the end-to-end modeling … lifecycle, and guide a growing team of analysts as we scale. This role is perfect for someone who thrives on experimentation, has a deep understanding of credit data, and enjoys working in a fast-paced environment. Key Responsibilities Lead the design, development, and maintenance of credit risk and affordability models using bureau, open banking, and behavioural data More ❯
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Lead Data Scientist

City of London, London, United Kingdom
Hybrid / WFH Options
Harnham
Lead Data Scientist Up to £105,000 Join a fast-growing UK fintech transforming the way people access personal credit through fair, flexible, and data-driven lending. Backed by cutting-edge technology and open banking, they’re making borrowing smarter and more transparent for everyone. Responsibilities: Lead a small team of data scientists, ensuring … delivery of high quality models and analysis. Own the end-to-end lifecycle of models from data sourcing to deployment and monitoring. Drive innovation in modelling approaches, exploring advanced ML techniques while ensuring regulatory compliance. Collaborate closely with stakeholders across Credit Risk, Pricing, Product and Engineering to embed data-driven decision making. Oversee the development of model monitoring More ❯
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Lead Data Scientist

City of London, London, United Kingdom
Harnham
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 of the investment lifecycle. Responsibilities: Build machine learning predictive … 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 ❯
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Lead Data Scientist

City of London, London, United Kingdom
Harnham
Lead Data Scientist – Credit Risk Modelling £80-105,000 (dependent on experience) London THE COMPANY This business are a dynamic and fast-paced lender and are seeking a driven and experienced individual to join their team in building out their predictive models using cutting-edge Machine Learning techniques. This role is an opportunity for someone to be More ❯
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