1 to 25 of 92 Senior Data Scientist Jobs in London

Senior Data Scientist - Computer Vision Salary: £70,000 - £100,000 Data Idols are working with a high-growth InsurTech to hire a Senior Data Scientist who will lead the design and delivery of computer vision data products. This is a rare zero-to-one build opportunity, where your expertise will directly shape … the company's future data capabilities and have a measurable impact on business performance. About the Role We are seeking a Senior Data Scientist with strong expertise in computer vision to design and deploy models that solve complex, real-world image challenges. This is a hands-on role where you'll experiment, build, and scale machine … Responsibilities Develop and deploy computer vision models, with a focus on image classification and quality scoring Apply machine learning techniques such as supervised learning and anomaly detection to visual data problems Work with large-scale, complex image datasets to create production-ready solutions Collaborate cross-functionally to ensure models are effectively integrated and deliver measurable impact Key Skills & Experience More ❯

Senior Data Scientist Hybrid: Once per week into London We are seeking a Senior Data Scientist to provide oversight and hands-on expertise for the build of an AI Agent within an automated insurance workflow . The project involves prompt engineering of LLMs, API development and integration , and deploying solutions in line with a … defined solution design. The successful contractor will also provide day-to-day oversight and mentorship to a junior Data Scientist on the project. Role & Responsibilities The Senior Data Scientist will be responsible for: Designing, building, and deploying AI Agent solutions within an insurance workflow. Developing and refining prompt engineering approaches for large language models (LLMs … testing, and integrating API calls to meet solution design specifications. Deploying containerised applications in Azure (or other cloud environments) . Providing technical leadership, support, and oversight to a junior Data Scientist . Collaborating with solution architects, developers, and stakeholders to ensure seamless integration. Preparing performance evaluation reports and recommendations for next-phase development. Skills & Experience Essential: Strong expertise More ❯

Senior Data Scientist - Consumer Lending Hybrid working - London Offices Negotiable to £75,000 DEO + Benefits Reference - J12979 Our client is an innovative UK based consumer finance business, with a digital credit card launched in 2018, and a pipeline of consumer finance solutions in the making. They are on a mission to redefine the consumer finance experience … a chance to make a real impact in a growing business on a mission to change the face of the consumer finance industry forever. About The Role As a Senior Data Scientist your role will span across the whole lifecycle of model development. That means you are someone who enjoys in equal measures the data wrangling … You'll develop and deploy machine learning models that power real-world decisions - from underwriting to fraud detection to optimise customer conversion. This is an end-to-end role: data wrangling, model development, evaluation, and performance monitoring. As a Data Scientist, you'll play a key role in the end-to-end lifecycle of their advanced machine More ❯

Senior Data Scientist Location: London (Hybrid) Practice Area : Data & Analytics Type: Permanent Shape intelligent solutions. Lead with insight. Drive data innovation. The Role We are looking for a Senior Data Scientist to join Capco's growing UK Data Practice. You will play a leading role in designing and implementing cutting-edge … data science solutions across financial services. This is an opportunity to build intelligent systems that drive commercial and customer outcomes - while mentoring others and collaborating in a dynamic, multi-disciplinary environment. What You'll Do Lead the end-to-end delivery of data science solutions including PoCs, MVPs and production deployments Develop and prototype ML models to solve … complex business challenges using modern techniques and tooling Collaborate closely with engineers, domain experts, and business teams to translate requirements into deliverables Guide and coach data science pods, supporting skill development and solution design Act as a subject matter expert on ML architecture, model calibration and productionisation What We're Looking For Hands-on experience building and deploying data More ❯

Job Title Senior Data Scientist/Analyst Location and Details Location: Freemarket offers a hybrid working model. You should be able to attend the office in London Bridge when required, on average twice per week. Department: Data/Engineering Reports To: Head of Data Employment Type: Permanent, Full-Time About FreemarketFX Freemarket is a provider … success is driven by our commitment to core behaviours that shape how we work and deliver value. We take accountability , ensuring outcomes are met with urgency and transparency. Our data-driven approach blends rigorous analysis with intuition to guide sound decision-making. We encourage innovation by being curious learners , always seeking new knowledge, skills, and perspectives. We act as … run through everything we do, enabling us to exceed expectations and support our clients' growth effectively. About the Role We're looking for a highly capable and commercially minded Senior Data Scientist/Analyst with deep fintech or payments experience and a passion for leveraging network-driven insights. This role bridges raw data and strategic intelligence More ❯

Senior Data Scientist - Consumer Behaviour - exciting scale up' proposition London office hybrid 3 days per week Salary negotiable dep on experience to £90,000 + stock options Job Reference J12960 Please note this client is unable to offer sponsorship so please ensure you have full UK working rights. Measure Protocol are looking for a smart, creative and … dynamic Senior Data Scientist to help shape and mould their approach and products to build the best-in-class consumer data company. At Measure Protocol, they believe in building a team of true owners. That's why they offer stock options to all employees as part of their compensation package, so you share in the value … you a real opportunity to participate in the upside of something meaningful from the ground up. About Measure Measure is building the world's first ethical and transparent human data marketplace. The world we live in is awash in data: what we watch and wear, who we know, what we do, and how we live our lives. Unfortunately More ❯

Lead Data Scientist London Up to £95,000 + bonus + benefits Our Client We're helping a global ecommerce marketplace build out their Data & Analytics teams. With over 20,000 employees in 41 locations around the world, our client traverses a number of consumer industries. They are passionate about transforming the ecommerce sector by investing in … their business; they aim to leave a positive impact on all stakeholders including employees, customers and partners, helping to build sustainable local communities on a global scale. The role Data Scientists are hands-on with building models that allow our client to hyper-personalise their customer experience. In addition this, at a leadership level, Data Scientists work as … internal consultants within the business, advising executive teams on all things concerning predictive analytics and machine learning. What a Lead Data Scientist role will involve A hybrid role which is both hands-on with building models and involves consulting throughout the wider business, serving as the Data Science SME for the core customer-facing platform. Collaborating with More ❯

Senior Data Scientist Hybrid - London 1 day per week Up to £80,000 About the Role We are working with a high-growth performance marketing and technology company who are looking for a new Senior 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 key clients, owning More ❯

Senior Data Scientist Hybrid - London 1 day per week Up to £80,000 About the Role We are working with a high-growth performance marketing and technology company who are looking for a new Senior 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 key clients, owning More ❯

Associate Director/Senior Data Scientist London, United Kingdom Consulting Hybrid Company Description STRAT7 Bonamy Finch is a data science, AI, and segmentation consultancy. We use data, insights, and proprietary technology to create customer-centric strategies that drive real business impact. We have a long history of innovation in machine learning, natural language processing, and … insight and customer analytics group. STRAT7 specializes in customer-centric growth, helping many of the world's most ambitious brands understand, predict, and act on change through technology-powered data and insight solutions. Headquartered in London, the group comprises six dynamic agencies with 400 employees across 12 locations in Europe, US, and APAC. Position Our primary focus is segmentation … which constitutes our largest volume of work, while AI and analysis of unstructured data are our fastest-growing areas. We seek a Senior Data Scientist skilled in cluster analysis, preferably with knowledge of natural language processing, to consult on our specialized projects involving advising, designing, conducting, and leading survey analytics projects. This role offers an exciting More ❯

Lead Data Scientist LondonPrivate Equity£140,000 - £150,000 + benefits Harnham is working with a tech firm in the Private Equity space and hiring a few positions across Data Science, Machine Learning Engineering and Data Engineering. The company have an impressive founding team and hold a strong reputation within the Data & AI and Private … purpose of creating value. Often working in ambiguous and greenfield environments, you will collaborate with a strong team of technical people across multiple industries to solve complex commercial and data problems, delivering key data science initiatives that drive performance and revenue. In this role you will lead the technical teams that deliver value. The Role - Lead Data Scientist You will be: Working on multiple engagements within portfolio companies across various different industry sectors Delivering key Data Science/AI initiatives that drive value for customers. Shaping how projects are delivered, driving performance and working closely with C-level execs. Providing technical leadership across the business, with a focus on end-to-end machine learning More ❯

Lead Data Scientist London Private Equity £140,000 - £150,000 + benefits Harnham is working with a tech firm in the Private Equity space and hiring a few positions across Data Science, Machine Learning Engineering and Data Engineering. The company have an impressive founding team and hold a strong reputation within the Data & AI and … purpose of creating value. Often working in ambiguous and greenfield environments, you will collaborate with a strong team of technical people across multiple industries to solve complex commercial and data problems, delivering key data science initiatives that drive performance and revenue. In this role you will lead the technical teams that deliver value. The Role - Lead Data Scientist You will be: Working on multiple engagements within portfolio companies across various different industry sectors Delivering key Data Science/AI initiatives that drive value for customers. Shaping how projects are delivered, driving performance and working closely with C-level execs. Providing technical leadership across the business, with a focus on end-to-end machine learning More ❯

Senior Data Scientist London – Hybrid Up to £80,000 + Benefits About the Role Join a fast-scaling AI-first SaaS company that’s helping major consumer brands turn first-party data into real commercial value. As a Senior Data Scientist, you’ll own the end-to-end delivery of machine learning models … customer segmentation, and commercial uplift—delivering solutions that are accurate, explainable, and production-ready. Key Responsibilities Build machine learning models for forecasting, propensity scoring, and segmentation Own workflows from data wrangling and feature engineering through to deployment and monitoring Operationalise models using MLOps tools in a cloud-native environment Architect datasets by merging structured and semi-structured data … clients to align models with business needs Present insights in a clear, creative, and commercially relevant way Contribute to best practices in experimentation, reproducibility, and code quality Mentor junior data scientists and support the growth of the team We’re looking for someone with: 3–5 years’ experience in a Data Science, AI, or ML-related role Experience More ❯

Senior Data Scientist London – Hybrid Up to £80,000 + Benefits About the Role Join a fast-scaling AI-first SaaS company that’s helping major consumer brands turn first-party data into real commercial value. As a Senior Data Scientist, you’ll own the end-to-end delivery of machine learning models … customer segmentation, and commercial uplift—delivering solutions that are accurate, explainable, and production-ready. Key Responsibilities Build machine learning models for forecasting, propensity scoring, and segmentation Own workflows from data wrangling and feature engineering through to deployment and monitoring Operationalise models using MLOps tools in a cloud-native environment Architect datasets by merging structured and semi-structured data … clients to align models with business needs Present insights in a clear, creative, and commercially relevant way Contribute to best practices in experimentation, reproducibility, and code quality Mentor junior data scientists and support the growth of the team We’re looking for someone with: 3–5 years’ experience in a Data Science, AI, or ML-related role Experience More ❯

Senior Data Scientist - Forecasting, Propensity and Segmentation London – Hybrid Up to £80,000 + Benefits About the Role Join a fast-scaling AI-first SaaS company that’s helping major consumer brands turn first-party data into real commercial value. As a Senior Data Scientist, you’ll own the end-to-end delivery … customer segmentation, and commercial uplift—delivering solutions that are accurate, explainable, and production-ready. Key Responsibilities Build machine learning models for forecasting, propensity scoring, and segmentation Own workflows from data wrangling and feature engineering through to deployment and monitoring Operationalise models using MLOps tools in a cloud-native environment Architect datasets by merging structured and semi-structured data … clients to align models with business needs Present insights in a clear, creative, and commercially relevant way Contribute to best practices in experimentation, reproducibility, and code quality Mentor junior data scientists and support the growth of the team We’re looking for someone with: 3–5 years’ experience in a Data Science, AI, or ML-related role Experience More ❯

Senior Data Scientist - Forecasting, Propensity and Segmentation London – Hybrid Up to £80,000 + Benefits About the Role Join a fast-scaling AI-first SaaS company that’s helping major consumer brands turn first-party data into real commercial value. As a Senior Data Scientist, you’ll own the end-to-end delivery … customer segmentation, and commercial uplift—delivering solutions that are accurate, explainable, and production-ready. Key Responsibilities Build machine learning models for forecasting, propensity scoring, and segmentation Own workflows from data wrangling and feature engineering through to deployment and monitoring Operationalise models using MLOps tools in a cloud-native environment Architect datasets by merging structured and semi-structured data … clients to align models with business needs Present insights in a clear, creative, and commercially relevant way Contribute to best practices in experimentation, reproducibility, and code quality Mentor junior data scientists and support the growth of the team We’re looking for someone with: 3–5 years’ experience in a Data Science, AI, or ML-related role Experience More ❯

Senior Data Scientist Up to £80,000 + 15% bonus Hybrid – 3 days per week in office (London) We’ve partnered with an innovative Data Start-up who are looking to hire a passionate Senior Data Scientist. This consultancy provides innovative SAAS and AI solutions to their household name clients and is an excellent … Experience with building machine learning models and deploying at scale 2:1 or above in Mathematics or STEM Degree from a Top UK university 3 years' experience in a Data Scientist or relevant field Interview Process: SQL and Python Test Technical interview (1 hour) In person Team Fit (2 hours More ❯

Senior Data Scientist Up to £80,000 + 15% bonus Hybrid – 3 days per week in office (London) We’ve partnered with an innovative Data Start-up who are looking to hire a passionate Senior Data Scientist. This consultancy provides innovative SAAS and AI solutions to their household name clients and is an excellent … Experience with building machine learning models and deploying at scale 2:1 or above in Mathematics or STEM Degree from a Top UK university 3 years' experience in a Data Scientist or relevant field Interview Process: SQL and Python Test Technical interview (1 hour) In person Team Fit (2 hours More ❯

Senior Data Scientist Up to £80,000 + 15% bonus Hybrid – 3 days per week in office (London) We’ve partnered with an innovative Data Start-up who are looking to hire a passionate Senior Data Scientist. This consultancy provides innovative SAAS and AI solutions to their household name clients and is an excellent … Experience with building machine learning models and deploying at scale 2:1 or above in Mathematics or STEM Degree from a Top UK university 3 years' experience in a Data Scientist or relevant field Interview Process: SQL and Python Test Technical interview (1 hour) In person Team Fit (2 hours More ❯

Senior Data Scientist Up to £80,000 + 15% bonus Hybrid – 3 days per week in office (London) We’ve partnered with an innovative Data Start-up who are looking to hire a passionate Senior Data Scientist. This consultancy provides innovative SAAS and AI solutions to their household name clients and is an excellent … Experience with building machine learning models and deploying at scale 2:1 or above in Mathematics or STEM Degree from a Top UK university 3 years' experience in a Data Scientist or relevant field Interview Process: SQL and Python Test Technical interview (1 hour) In person Team Fit (2 hours More ❯

Senior Data Scientist - Credit Risk London – Hybrid Up to £80,000 + Benefits Our client is a high-growth fintech revolutionising consumer finance through cutting-edge technology and data science. Backed by top investors and consistently rated as a market leader, they are transforming the way loans, credit cards, and financial products are delivered - offering customers … faster, more transparent, and seamless experiences. As a Senior Data Scientist, you’ll play a pivotal role in developing proprietary risk models that drive strategic decision-making and product innovation. Working within a multidisciplinary team, you’ll apply advanced machine learning techniques to improve underwriting quality and enhance financial product offerings. Key Responsibilities Build and refine credit … risk models using state-of-the-art ML techniques. Translate business challenges into data-driven solutions. Deploy and monitor models autonomously, without reliance on a separate ML engineering team. Clearly communicate insights and recommendations to stakeholders. What We’re Looking For Strong Python experience, with knowledge of ML techniques. Familiarity with the credit industry, financial products, and data More ❯

Senior Data Scientist - Credit Risk London – Hybrid Up to £80,000 + Benefits Our client is a high-growth fintech revolutionising consumer finance through cutting-edge technology and data science. Backed by top investors and consistently rated as a market leader, they are transforming the way loans, credit cards, and financial products are delivered - offering customers … faster, more transparent, and seamless experiences. As a Senior Data Scientist, you’ll play a pivotal role in developing proprietary risk models that drive strategic decision-making and product innovation. Working within a multidisciplinary team, you’ll apply advanced machine learning techniques to improve underwriting quality and enhance financial product offerings. Key Responsibilities Build and refine credit … risk models using state-of-the-art ML techniques. Translate business challenges into data-driven solutions. Deploy and monitor models autonomously, without reliance on a separate ML engineering team. Clearly communicate insights and recommendations to stakeholders. What We’re Looking For Strong Python experience, with knowledge of ML techniques. Familiarity with the credit industry, financial products, and data More ❯

leading enterprise fraud and authentication platform is used by thousands of financial institutions around the world to protect millions of customer accounts and billions of transactions annually. Leveraging proven data science, including our proprietary consortium data, our customers use our risk-based, machine learning platform to deliver the highest fraud detection rates, lowest false positive rates, and lowest … customer intervention in the industry. We stop fraud, not customers. See what others can't at What you'll achieve As a Senior Data Scientist you will develop and implement machine learning models, perform advanced data analysis, and identify patterns and trends to improve the efficiency and usability of our products and services. You will also … be responsible for creating insightful reports and dashboards to support data-driven decision-making across the organization. Responsibilities Understand business problems and conduct statistical analysis independently. Break down hard problems. Communicate effectively to senior stakeholders. Deliver value end-to-end. Self-serve data engineering and infrastructure as required. Make recommendations on best practice in terms of analysis More ❯

A brand new vacancy for a Senior Data Scientist with an incredible biotech start-up has become available, based at state of the art offices and labs in West London (W12) . The Senior Data Scientist will design algorithms for data analysis of protein sequencing data. Key Responsibilities Research, design, and implement algorithms … for analyzing time-series data from our core technologies Collaborate with data scientists and engineers to integrate models into pipelines and tools. Stay current with academic and industry advances in temporal modeling and deep learning. Document methods and support reproducibility, validation, and publication where appropriate. Essential Requirements Strong programming and modeling skills in Python (NumPy, PyTorch or TensorFlow More ❯

As a Principal Data Scientist at Hiscox, you will play a pivotal role as a critical thinker for Hiscox, applying your deep expertise to address our most intricate business challenges and uncover significant opportunities within our data landscape. You will utilise your technical skills and innovative mindset to tackle complex business problems and identify opportunities for growth. … Additionally, you will provide ad hoc analysis and develop predictive and prescriptive models to foster a data-driven culture within Hiscox. You will act as a technical mentor and guide to our team members, fostering best practices, elevating coding standards, and driving advanced analytical techniques across the team. Your ability to translate complex technical findings into clear, actionable insights … and specific business needs. Operating within a dynamic and evolving environment, you will play a key role in continuously advancing our technical capabilities and ensuring the effective application of data science across the insurance value chain. The role As a Principal Data Scientist, you will be an integral part of a dynamic technical team, strategically focused on More ❯