1 to 25 of 93 Senior Data Scientist Jobs in London

Senior Data Scientist 📍 Central London - remote first, meet up twice a month 💰 £70,000-£80,000 + 10% bonus ⚒️ Python, Cloud, Independent Model Creation As the Senior Data Scientist , you will play a pivotal role in shaping how data-driven insights inform key commercial decisions across a dynamic and evolving business. You will … have full ownership over independent model ideation/creation, with the immediate focus being to help deliver pricing models (no prior experience needed), utilising guest data, and then will introduce the latest AI features/tools as well as other greenfield models/projects. You'll need experience creating a variety of models. The position offers flexibility, with the … team typically meeting in London twice a month . Applicants across the UK are welcome, provided they can travel to London for these collaborative sessions. The Role As the Senior Data Scientist, you will apply advanced data science techniques to enhance pricing strategies and forecasting accuracy. You will take ownership of developing, implementing and refining variable More ❯

Senior Data Scientist 📍 Central London - remote first, meet up twice a month 💰 £70,000-£80,000 + 10% bonus ⚒️ Python, Cloud, Independent Model Creation As the Senior Data Scientist , you will play a pivotal role in shaping how data-driven insights inform key commercial decisions across a dynamic and evolving business. You will … have full ownership over independent model ideation/creation, with the immediate focus being to help deliver pricing models (no prior experience needed), utilising guest data, and then will introduce the latest AI features/tools as well as other greenfield models/projects. You'll need experience creating a variety of models. The position offers flexibility, with the … team typically meeting in London twice a month . Applicants across the UK are welcome, provided they can travel to London for these collaborative sessions. The Role As the Senior Data Scientist, you will apply advanced data science techniques to enhance pricing strategies and forecasting accuracy. You will take ownership of developing, implementing and refining variable More ❯

Senior Data Scientist - Asset Risk Modelling London - Hybrid, 3 days in office£85,000 - £90,000 + Bonus + Great Pension + Private Healthcare + 28 days Holiday + Hybrid Working This is a brilliant opportunity for a Senior Data Scientist with strong experience in model risk management, pricing, and insurance to join a … forecasting key financial risks such as Residual Value, SMR, Insurance Lease Pricing, Economic Capital, and Customer Pricing. As part of their continued expansion, they are now seeking a talented Senior Data Scientist to join the Asset Risk Modelling Team and help shape the future of their modelling capabilities.In this role, you will take ownership of developing, maintaining … models that underpin critical business decisions. Working closely with the Modelling Manager and wider stakeholders, you'll ensure the robustness and transparency of all models, while continuously improving methodologies, data use, and analytical processes. You will also play a key role in delivering the model risk management framework across the Asset Risk function.The ideal candidate will be an experienced More ❯

Senior Data Scientist - Asset Risk Modelling London - Hybrid, 3 days in office £85,000 - £90,000 + Bonus + Great Pension + Private Healthcare + 28 days Holiday + Hybrid Working This is a brilliant opportunity for a Senior Data Scientist with strong experience in model risk management, pricing, and insurance to join a … forecasting key financial risks such as Residual Value, SMR, Insurance Lease Pricing, Economic Capital, and Customer Pricing. As part of their continued expansion, they are now seeking a talented Senior Data Scientist to join the Asset Risk Modelling Team and help shape the future of their modelling capabilities. In this role, you will take ownership of developing … models that underpin critical business decisions. Working closely with the Modelling Manager and wider stakeholders, you'll ensure the robustness and transparency of all models, while continuously improving methodologies, data use, and analytical processes. You will also play a key role in delivering the model risk management framework across the Asset Risk function. The ideal candidate will be an More ❯

Senior Data Scientist (Full-Stack ML & LLMs) Location: Hybrid - Remote/London (UK) Reporting to: Technical Lead (Senior Data Scientist) About Us We are a high-growth, venture-backed health tech startup on a mission to transform how healthcare assessments are understood and utilized. Founded by health economics academics and backed by leading investors … we are building a novel, data-driven platform that will become the definitive source of intelligence for Health Technology Assessment (HTA) and Market Access (MA) reports globally. This is a rare opportunity to get in on the ground floor and play a pivotal role in shaping the core technology and data foundation of our company. The Role: Build … Deploy, and Innovate We are looking for a Senior Data Scientist who is as passionate about building robust, scalable data systems as they are about innovating with cutting-edge machine learning. You will be the second data science hire, working hand-in-hand with our Technical Lead to architect and execute the data strategy More ❯

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 Data Idols are proud to be working with an iconic UK brand to assist them in building out their data team as they undertake a data-driven journey that will transform the business. The Opportunity This opportunity for a Senior Data Scientist will focus on setting technical standards … and leadership. You will work on a variety of projects focused on delivering high quality data science to predict, measure and interpret business trends and commercial impact. Within this role, they are looking for someone who is able to coach and support junior members of the team and help contribute to their development. Skills and Experience SQL Python Experience … maintaining models Strong stakeholder management Ability to mentor other members of the team What's in it for you? £85K - £95K Bonus Please send your CV for more information. Senior Data Scientist More ❯

Senior Data Scientist Paying up to £85,000 + bonus Hybrid in London AI/ML-Driven PropTech I am currently working with start/scale up within the PropTech sector looking to hire a Data Scientist to work on high-impact predictive modelling projects in a fast-growing company. This role offers the opportunity … to work end-to-end on ML models, helping to revolutionise the property industry by leveraging data-driven insights. As a Data Scientist, you’ll be building and optimising predictive models to understand trends in the property market, such as likelihood of sale and customer retention. You’ll work closely with Data Engineers and Product teams … Be Doing: Developing predictive models to forecast property trends and customer behavior. Leveraging MLOps best practices to ensure efficient model deployment and monitoring. Working end-to-end across the data pipeline – from data extraction to model evaluation. Collaborating with cross-functional teams to turn insights into actionable business decisions. Tech Stack & requirements: Python | SQL | Snowflake | DBT | Tableau | Dataiku More ❯

Senior Data Scientist Paying up to £85,000 + bonus Hybrid in London AI/ML-Driven PropTech I am currently working with start/scale up within the PropTech sector looking to hire a Data Scientist to work on high-impact predictive modelling projects in a fast-growing company. This role offers the opportunity … to work end-to-end on ML models, helping to revolutionise the property industry by leveraging data-driven insights. As a Data Scientist, you’ll be building and optimising predictive models to understand trends in the property market, such as likelihood of sale and customer retention. You’ll work closely with Data Engineers and Product teams … Be Doing: Developing predictive models to forecast property trends and customer behavior. Leveraging MLOps best practices to ensure efficient model deployment and monitoring. Working end-to-end across the data pipeline – from data extraction to model evaluation. Collaborating with cross-functional teams to turn insights into actionable business decisions. Tech Stack & requirements: Python | SQL | Snowflake | DBT | Tableau | Dataiku More ❯

We are working with Fyxer AI, the UK's fastest-growing tech company in the UK, to hire a Senior Data Scientist. Fyxer are building the Cursor for email. Since launching in May 2024, they have gone from $0 to $20m in ARR and raised a $30m Series B from top investors. Hiring small numbers of exceptional people … Fyxer’s next vital hire is a Senior Data Scientist who will take on ownership of key predictive modelling. Job Description As Fyxer’s Senior Data Scientist, you will not only own the company’s data science and analytics capabilities - you’ll set the roadmap for high-impact business areas like marketing and … retention, implement scalable solutions, and ensure stakeholders use data to make confident commercial decisions. You’ll join a team of 2 Analytics Engineers and a Data Engineer, and will collaborate with the wider engineering team composed of Growth Engineering, Product Engineering, and Product Reliability Engineering. One example of an immediate priority for the Senior Data Scientist More ❯

We are working with Fyxer AI, the UK's fastest-growing tech company in the UK, to hire a Senior Data Scientist. Fyxer are building the Cursor for email. Since launching in May 2024, they have gone from $0 to $20m in ARR and raised a $30m Series B from top investors. Hiring small numbers of exceptional people … Fyxer’s next vital hire is a Senior Data Scientist who will take on ownership of key predictive modelling. Job Description As Fyxer’s Senior Data Scientist, you will not only own the company’s data science and analytics capabilities - you’ll set the roadmap for high-impact business areas like marketing and … retention, implement scalable solutions, and ensure stakeholders use data to make confident commercial decisions. You’ll join a team of 2 Analytics Engineers and a Data Engineer, and will collaborate with the wider engineering team composed of Growth Engineering, Product Engineering, and Product Reliability Engineering. One example of an immediate priority for the Senior Data Scientist More ❯

Job Title Senior Data Scientist Location London - hybrid working (2/3 days in City offices) Salary To c£75,000 negotiable DoE Job ReferenceJ13015 POSITION OVERVIEW We are super excited to be partnering with one of the largest global lifestyle brands at a pivotal stage in their data journey. As they bring CRM and customer … insight capability 'in house' and roll out a new customer data platform, this role will be central to shaping how data science is delivered, working closely with Data Science teams and IT partners to build for the future, not maintain the past. Job Title Senior Data Scientist Location London - hybrid working (2/… negotiable DoE Job ReferenceJ13015 POSITION OVERVIEW We are super excited to be partnering with one of the largest global lifestyle brands at a pivotal stage in their data journey. As they bring CRM and customer insight capability 'in house' and roll out a new customer data platform, this role will be central to shaping how data science More ❯

Senior Data Scientist – Personalisation London – Hybrid Up to £65,000 About the Role We’re working with a growing fintech organisation that’s redefining how people save and invest. Their mission is to make financial wellbeing simple, transparent, and accessible - helping customers feel confident about their money through technology, insight, and great user experience. As a Senior Data Scientist, you’ll focus on customer analytics and applied data science - using data to understand behaviour, identify opportunities, and guide strategic decisions across marketing, product, and personalising customer experience. Key Responsibilities Translate business challenges into analytical questions and deliver data-led insights that drive customer growth and retention. Analyse customer behaviour, lifecycle patterns … and engagement to uncover opportunities for product and marketing optimisation. Develop and maintain advanced analytical models to forecast customer outcomes and measure impact. Present clear, data-driven recommendations to senior stakeholders, influencing strategy and decision-making. Work closely with Data Engineering and BI teams to ensure data quality, accessibility, and scalability across the organisation. What We More ❯

Senior Data Scientist – Personalisation London – Hybrid Up to £65,000 About the Role We’re working with a growing fintech organisation that’s redefining how people save and invest. Their mission is to make financial wellbeing simple, transparent, and accessible - helping customers feel confident about their money through technology, insight, and great user experience. As a Senior Data Scientist, you’ll focus on customer analytics and applied data science - using data to understand behaviour, identify opportunities, and guide strategic decisions across marketing, product, and personalising customer experience. Key Responsibilities Translate business challenges into analytical questions and deliver data-led insights that drive customer growth and retention. Analyse customer behaviour, lifecycle patterns … and engagement to uncover opportunities for product and marketing optimisation. Develop and maintain advanced analytical models to forecast customer outcomes and measure impact. Present clear, data-driven recommendations to senior stakeholders, influencing strategy and decision-making. Work closely with Data Engineering and BI teams to ensure data quality, accessibility, and scalability across the organisation. What We More ❯

Overview We're seeking a Senior Data Scientist to lead the development of advanced analytics and AI/ML solutions that unlock real value across our business. This is a contract role for 6 months . In this contract role, you'll work with proprietary and B2B research datasets to design, deliver, and scale data-driven … Product, Research, and Technology, you'll help turn strategic ideas into working MVPs-ensuring high standards of methodology, quality, and business relevance throughout. You'll also help shape the data science environment by working alongside our tech teams to support a robust and flexible infrastructure, including sandbox environments for onboarding and evaluating new data sources. This is a … great opportunity for a self-driven, impact-oriented data scientist who thrives in a fast-paced, cross-functional setting-and is eager to deliver meaningful results in a short time frame. Main Duties and Responsibilities Spearhead and execute complex data science projects using a combination of open-source and cloud tools, driving innovation and delivering actionable insights. More ❯

Lead Data Scientist | London | Multiple Sectors 📍 London (Hybrid) 💰 Up to £120,000 + Equity + Private Health Machine Learning | Data Science Libraries | Deep Learning Frameworks | AI I’m currently looking for: 1 x Lead Data Scientist (Financial Services) 1 x Lead Data Scientist (Retail) 1 x Lead Data Scientist (SaaS) Our … client partners with some of the world’s most recognisable brands to deliver innovative, data-driven solutions that transform customer experience, strategy, and performance. From global enterprises to digital-first disruptors, they help businesses harness the power of advanced analytics, machine learning, and AI to stay competitive in a rapidly changing market. If you’re looking for an opportunity … to shape the future of applied AI across exciting industry sectors, this is your chance. ROLES: Lead Data Scientist (Project Lead, Mentoring, Technical Lead) We are seeking Lead Data Scientists to take pivotal roles across a variety of industries. These are senior technical and leadership positions — perfect for people who want to influence the direction of More ❯

Lead Data Scientist | London | Multiple Sectors 📍 London (Hybrid) 💰 Up to £120,000 + Equity + Private Health Machine Learning | Data Science Libraries | Deep Learning Frameworks | AI I’m currently looking for: 1 x Lead Data Scientist (Financial Services) 1 x Lead Data Scientist (Retail) 1 x Lead Data Scientist (SaaS) Our … client partners with some of the world’s most recognisable brands to deliver innovative, data-driven solutions that transform customer experience, strategy, and performance. From global enterprises to digital-first disruptors, they help businesses harness the power of advanced analytics, machine learning, and AI to stay competitive in a rapidly changing market. If you’re looking for an opportunity … to shape the future of applied AI across exciting industry sectors, this is your chance. ROLES: Lead Data Scientist (Project Lead, Mentoring, Technical Lead) We are seeking Lead Data Scientists to take pivotal roles across a variety of industries. These are senior technical and leadership positions — perfect for people who want to influence the direction of More ❯

Senior Data Scientist Ai ML Python MML Japanese & English Speaking Working Pattern: Hybrid (12 days per week in office) Location: London The Data Science function plays a pivotal role in delivering advanced Artificial Intelligence capabilities across the organisation. This position focuses on designing, developing, and deploying production-grade machine learning solutions while contributing to the strategic … advanced machine learning models and algorithms into production. Lead technical development within cross-functional teams, providing guidance on ML solution design and implementation. Translate business problems into clearly defined data science solutions and deliver end-to-end ML pipelines. Support proof-of-value initiatives and contribute to product roadmap development from a Data Science perspective. Drive continuous improvement … within the Data Science function and promote best practices in model development and deployment. Stay current with emerging research, tools, and trends in Artificial Intelligence. ---------------------------------------- Skills, Knowledge, and Experience Strong proficiency in Python and experience writing scalable, production-ready code. Hands-on experience with PyTorch, Transformer architectures, and Large Language Models (LLMs). Demonstrated success delivering Computer Vision and More ❯

Build models across credit, insurance, pricing, and more. Leading model development from the ground up to drive business impact. A great next step for a data scientist who thrives in the modelling space. Were looking for a commercially minded Senior Data Scientist with a passion for building risk models. If youre the kind of data scientist who doesnt just tweak existing models but creates them from scratch, this is your chance to make a real impact! What youll be doing This role is all about risk (we cant stress that enough!). Were looking for someone technically strong (likely a data scientist or similar) with a proven background in modelling risk … more. Youll thrive on building and enhancing models from the ground up, bridging the gap between complex statistical techniques and clear, actionable insights for stakeholders. Youll work closely with senior leaders, collaborate across functions, and play a key role in strategic projects. Sound like you? Apply now! What experience youll need Strong background in risk modelling and using these More ❯

Senior Data Scientist - Contract 🧪 📍 Location: Hybrid 1-2 days per week onsite in London 📅 Start: 1st December - 1st April initially 💰 Day Rate: Outside IR35 - £500-600 - depending on experience. An established consultancy is seeking a Senior Data Scientist (Contract) to lead and deliver a series of high-impact machine learning proof-of-concept and … public sector client. You’ll play a key role in shaping the technical direction of these projects, providing both hands-on expertise and leadership to a small team of data scientists, supported by engineers. The work will involve a balance of technical delivery, client engagement and strategic oversight. Role Responsibilities Act as technical lead and mentor for junior data … Define and guide the machine learning strategy and direction for assigned projects. Lead the design, training and validation of models and algorithms. Maintain hands-on involvement. Work collaboratively with data engineers (note: MLOps responsibilities are handled by the engineering team). Contribute to broader AI and ML strategy development within the engagement. Required Skills & Experience 6+ years’ experience in More ❯

Senior Data Scientist - Contract 🧪 📍 Location: Hybrid 1-2 days per week onsite in London 📅 Start: 1st December - 1st April initially 💰 Day Rate: Outside IR35 - £500-600 - depending on experience. An established consultancy is seeking a Senior Data Scientist (Contract) to lead and deliver a series of high-impact machine learning proof-of-concept and … public sector client. You’ll play a key role in shaping the technical direction of these projects, providing both hands-on expertise and leadership to a small team of data scientists, supported by engineers. The work will involve a balance of technical delivery, client engagement and strategic oversight. Role Responsibilities Act as technical lead and mentor for junior data … Define and guide the machine learning strategy and direction for assigned projects. Lead the design, training and validation of models and algorithms. Maintain hands-on involvement. Work collaboratively with data engineers (note: MLOps responsibilities are handled by the engineering team). Contribute to broader AI and ML strategy development within the engagement. Required Skills & Experience 6+ years’ experience in More ❯

Senior Data Scientist | Biotech & Machine Learning | London (3/4 days per week onsite) About Excited to apply advanced machine learning to real-world biomedical discovery? This fast-growing biotech startup is building breakthrough algorithms that extract insight from complex, noisy time-series data - and they’re looking for a Senior Data Scientist … from research to deployment Flexible working, high autonomy, and a clear scientific mission 🚀 What they value: Curiosity and rigour in tackling complex scientific challenges A passion for transforming noisy data into meaningful insight Strong collaboration across technical and scientific disciplines A mindset focused on reproducibility, clarity, and impact They’re open to a range of ML and scientific backgrounds More ❯

Senior Data Scientist - BioTech - London A pioneering London-based biotech company are looking for a Senior Data Scientist to join their team. What will I be doing? Drive breakthrough algorithm development that's never been done before. You'll be the technical powerhouse behind revolutionary nanopore technology, transforming impossibly noisy time-series data … of proteomics - your algorithms will directly enable discoveries that could revolutionize drug development and diagnostics. What are we looking for? PhD (or MSc + equivalent experience) in Computer Science, Data Science, Mathematics, Physics, or Bioinformatics 5+ years post-qualification experience tackling complex technical challenges Expert-level Python programming (NumPy, PyTorch/TensorFlow, SciPy, pandas) Deep expertise in time-series More ❯

Senior Data Scientist - BioTech - London A pioneering London-based biotech company are looking for a Senior Data Scientist to join their team. What will I be doing? Drive breakthrough algorithm development that's never been done before. You'll be the technical powerhouse behind revolutionary nanopore technology, transforming impossibly noisy time-series data … of proteomics - your algorithms will directly enable discoveries that could revolutionize drug development and diagnostics. What are we looking for? PhD (or MSc + equivalent experience) in Computer Science, Data Science, Mathematics, Physics, or Bioinformatics 5+ years post-qualification experience tackling complex technical challenges Expert-level Python programming (NumPy, PyTorch/TensorFlow, SciPy, pandas) Deep expertise in time-series 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 ❯