1 to 25 of 63 Senior Data Scientist Jobs in the City of 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 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 ❯

Senior Data Scientist | Lead Data Scientist | Data Engineering | Machine Learning | Cloud Computing | SC Cleared or Clearable | 2 days a week | £85,000 plus 15% bonus I am currently working with a brilliant consultancy with deep expertise in their field of Data and Cyber Security solutions, predominantly with Central Government organisations but they also … years and as a result they are involved in some of the most challenging yet rewarding large scale technical projects in the country. They are currently looking for a Senior or Lead Data Scientist, this will be a blend of client facing skills aka, the ability to understand business problems, create a novel models/solutions to More ❯

Senior Data Scientist | Lead Data Scientist | Data Engineering | Machine Learning | Cloud Computing | SC Cleared or Clearable | 2 days a week | £85,000 plus 15% bonus I am currently working with a brilliant consultancy with deep expertise in their field of Data and Cyber Security solutions, predominantly with Central Government organisations but they also … years and as a result they are involved in some of the most challenging yet rewarding large scale technical projects in the country. They are currently looking for a Senior or Lead Data Scientist, this will be a blend of client facing skills aka, the ability to understand business problems, create a novel models/solutions to 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 ❯

Lead Data Scientist | London | Multiple Sectors 📍 London (Hybrid) 💰 Up to £115,000 + 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 £115,000 + 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. We’re looking for a commercially minded Senior Data Scientist with a passion for building risk models. If you’re the kind … of data scientist who doesn’t just tweak existing models but creates them from scratch, this is your chance to make a real impact! What you’ll be doing This role is all about risk (we can’t stress that enough!). We’re looking for someone technically strong (likely a data scientist or similar) with … ll thrive on building and enhancing models from the ground up, bridging the gap between complex statistical techniques and clear, actionable insights for stakeholders. You’ll work closely with senior leaders, collaborate across functions, and play a key role in strategic projects. Sound like you? Apply now! What experience you’ll need Strong background in risk modelling and using 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 contract London, hybrid We’re looking for an experienced Senior Data Scientist (contractor) to lead the development of an AI-powered chatbotwithin a dynamic membership ecosystem for iOS and Android. If you're passionate about Generative AI, conversational systems, and scalable tech – this role is for you. What You’ll Be … Ensure solutions are scalable, secure, and deliver a seamless user experience. Collaborate with product stakeholders to align AI strategy with business objectives. Provide mentorship and technical guidance to junior data scientists. Work hands-on in an Agile/Kanban team alongside Backend, Mobile, QA, DevOps, and Business Analysts. What We’re Looking For 5+ years of Data Science More ❯

Senior Data Scientist contract London, hybrid We’re looking for an experienced Senior Data Scientist (contractor) to lead the development of an AI-powered chatbotwithin a dynamic membership ecosystem for iOS and Android. If you're passionate about Generative AI, conversational systems, and scalable tech – this role is for you. What You’ll Be … Ensure solutions are scalable, secure, and deliver a seamless user experience. Collaborate with product stakeholders to align AI strategy with business objectives. Provide mentorship and technical guidance to junior data scientists. Work hands-on in an Agile/Kanban team alongside Backend, Mobile, QA, DevOps, and Business Analysts. What We’re Looking For 5+ years of Data Science 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 Consultant/Scientist – KPI Dashboarding (Contract) 📍 Hybrid (Remote + 1 day/week in Heathrow) 💰 £800/day (Inside IR35) 🕒 Start Date: Week commencing 17th November 2025 📆 Duration: 8 weeks About the Role Our client is launching a new engineering workstream focused on building a KPI dashboard to support transformation initiatives. They are seeking a … Senior Data Consultant/Scientist for a short-term contract to lead the dashboard development and embed it into an existing programme. Key Responsibilities Design and build KPI dashboards using Power BI or Tableau Integrate backend data sources (Excel and others) into visual outputs Define KPIs, identify data sources, scope dashboard requirements, and iterate with … stakeholders Ensure data quality through modelling, cleaning, and verification Collaborate with engineering teams to understand operational metrics and reporting needs Required Skills Expert-level proficiency in SQL , Power BI , and Tableau Strong experience in data visualisation and dashboarding Solid understanding of data modelling , data cleaning , and data verification Ability to work independently and embed into More ❯

Senior Data Consultant/Scientist – KPI Dashboarding (Contract) 📍 Hybrid (Remote + 1 day/week in Heathrow) 💰 £800/day (Inside IR35) 🕒 Start Date: Week commencing 17th November 2025 📆 Duration: 8 weeks About the Role Our client is launching a new engineering workstream focused on building a KPI dashboard to support transformation initiatives. They are seeking a … Senior Data Consultant/Scientist for a short-term contract to lead the dashboard development and embed it into an existing programme. Key Responsibilities Design and build KPI dashboards using Power BI or Tableau Integrate backend data sources (Excel and others) into visual outputs Define KPIs, identify data sources, scope dashboard requirements, and iterate with … stakeholders Ensure data quality through modelling, cleaning, and verification Collaborate with engineering teams to understand operational metrics and reporting needs Required Skills Expert-level proficiency in SQL , Power BI , and Tableau Strong experience in data visualisation and dashboarding Solid understanding of data modelling , data cleaning , and data verification Ability to work independently and embed into More ❯

Senior Applied Researcher/Data Scientist – Computer Vision Paying up to £110k + 7.5% Bonus + $10,000 Shares (Yearly) London office – remote first policy but ideally 1 day a week. Leading SportsTech Business I am working with a global leader in sports technology that’s redefining how coaches, athletes, and fans experience the game. From grassroots … to elite professional teams, this company’s products empower users to capture, analyse, and share video and data to improve performance and create deeper engagement. They have recently been recognised as one of the most loved workplaces, this company is known for its collaborative culture, cutting-edge technology, and mission-driven impact on the world of sport. The Opportunity … They are now looking for a Senior Applied Researcher/Data Scientist to join a high-performing Machine Learning team that’s building AI solutions at scale for real-world applications in sports. You'll apply state-of-the-art techniques in computer vision and deep learning to solve complex challenges, deliver meaningful insights, and shape the More ❯

Senior Applied Researcher/Data Scientist – Computer Vision Paying up to £110k + 7.5% Bonus + $10,000 Shares (Yearly) London office – remote first policy but ideally 1 day a week. Leading SportsTech Business I am working with a global leader in sports technology that’s redefining how coaches, athletes, and fans experience the game. From grassroots … to elite professional teams, this company’s products empower users to capture, analyse, and share video and data to improve performance and create deeper engagement. They have recently been recognised as one of the most loved workplaces, this company is known for its collaborative culture, cutting-edge technology, and mission-driven impact on the world of sport. The Opportunity … They are now looking for a Senior Applied Researcher/Data Scientist to join a high-performing Machine Learning team that’s building AI solutions at scale for real-world applications in sports. You'll apply state-of-the-art techniques in computer vision and deep learning to solve complex challenges, deliver meaningful insights, and shape the More ❯

x Senior Data Scientists | London | Financial Services 📍 London (Hybrid) 💰 Up to £100,000 + Equity + Private Health 🧑 💻 Machine Learning | Data Science Libraries | Deep Learning Frameworks | AI Our client partners with some of the world’s leading financial institutions to deliver innovative, data-driven solutions that transform decision-making and operational performance. From major banks and … stay competitive in a rapidly evolving industry. *If you’re looking for an opportunity to shape the future of applied AI in this sector, this is your chance.* ROLE: Senior Data Scientist We’re looking for 3 x Senior Data Scientists to shape solutions, guide project teams, and drive innovation across financial services clients. You … ll set technical direction, design scalable architectures, and ensure delivery of robust, production-ready AI. You’ll also act as a trusted advisor to clients, working closely with senior stakeholders to shape strategy and deliver measurable business outcomes. What You’ll Bring 🔥Deep knowledge of ML/statistical methods (e.g. supervised/unsupervised, Bayesian, time-series). ⚙️Strong Python More ❯

x Senior Data Scientists | London | Financial Services 📍 London (Hybrid) 💰 Up to £100,000 + Equity + Private Health 🧑 💻 Machine Learning | Data Science Libraries | Deep Learning Frameworks | AI Our client partners with some of the world’s leading financial institutions to deliver innovative, data-driven solutions that transform decision-making and operational performance. From major banks and … stay competitive in a rapidly evolving industry. *If you’re looking for an opportunity to shape the future of applied AI in this sector, this is your chance.* ROLE: Senior Data Scientist We’re looking for 3 x Senior Data Scientists to shape solutions, guide project teams, and drive innovation across financial services clients. You … ll set technical direction, design scalable architectures, and ensure delivery of robust, production-ready AI. You’ll also act as a trusted advisor to clients, working closely with senior stakeholders to shape strategy and deliver measurable business outcomes. What You’ll Bring 🔥Deep knowledge of ML/statistical methods (e.g. supervised/unsupervised, Bayesian, time-series). ⚙️Strong Python More ❯

Job Title Senior Data Scientist - CRM Location London – hybrid working (2/3 days in City offices) Salary To c£75,000 negotiable DoE Job Reference J13015 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. They are looking for a passionate and experienced Senior Data Scientist … and regional marketing teams to align with campaign goals and customer segmentation strategies Own the full ML lifecycle—from model design to deployment and monitoring. Partner with engineering and data teams to ensure scalable solutions. Continuously monitor and improve model performance using data insights and feedback. REQURIED SKILLS & EXPERIENCE Proven experience in machine learning, particularly in recommendation systems More ❯

Job Title Senior Data Scientist - CRM Location London – hybrid working (2/3 days in City offices) Salary To c£75,000 negotiable DoE Job Reference J13015 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. They are looking for a passionate and experienced Senior Data Scientist … and regional marketing teams to align with campaign goals and customer segmentation strategies Own the full ML lifecycle—from model design to deployment and monitoring. Partner with engineering and data teams to ensure scalable solutions. Continuously monitor and improve model performance using data insights and feedback. REQURIED SKILLS & EXPERIENCE Proven experience in machine learning, particularly in recommendation systems More ❯

Senior Data Scientist Office x4 days a week This is an opportunity to join one of the most innovative firms in the global insurance market, specialising in climate-related parametric risk. Backed by world-leading (re)insurers and operating in over 15 countries, this company merges actuarial science, data science, and cutting-edge technology to address … complex climate risk exposures for corporates and governments. Following a $100M+ Series B and full-stack insurance licensing, they are expanding their London presence. As a Senior Scientist, you’ll operate at the intersection of data, modelling, and market strategy, supporting bespoke coverage for weather-related events. You’ll collaborate with commercial, technical, and research teams to … shape tailored, data-led insurance products for clients worldwide. Key Responsibilities Underwrite parametric insurance policies with a deep understanding of client needs and climate risk exposures Work with brokers and internal teams to structure, price, and deliver bespoke coverage solutions Develop and improve pricing models to monitor risk and portfolio performance Lead client-facing underwriting conversations within the London More ❯