101 to 125 of 165 Senior Data Scientist Jobs in London

times and working either from home or our Old street office for the rest of your time. What you'll be doing: As a Senior Data Scientist in our Defence business unit you will lead project teams that deliver bespoke algorithms to our clients across the defence … and national security sector. You will be responsible for conceiving the data science approach, for designing the associated software architecture, and for ensuring that best practices are followed throughout. You will help our excellent commercial team build strong relationships with clients, shaping the direction of both current and future … You will play an important role in the development of others at Faculty by acting as the designated mentor of a small number of data scientists, and by supporting the professional growth of data scientists on the project team. The latter includes giving targeted support where needed, and More ❯

a vision to be more than an advertising platform, it's a hub of innovation, imagination, and creativity. We are searching for a talented Data Scientist to join our engineering team as we continue to expand our data science efforts. Our platform is connected to thousands of … result, we're dealing with millions of requests each second, making billions of decisions. We utilize the latest technologies to solve challenges in traffic, data storage, machine learning, and scalability. StackAdapt is a Remote First company, and we are open to candidates located anywhere in the UK for this … algorithms, to improvements on state-of-the-art methods, to development using a deep understanding of classic methods. Write production code, sometimes collaborating with Data Engineers, to implement the novel ML algorithms. Prototype potential algorithms and pipelines, test them using historical data, and iterate to modify based on More ❯

cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity. What We do/The Team The FX Data Analytics & AI Technology team, within Citi's FX Technology organization, seeks a highly motivated Full Stack Data Scientist/Data Engineer. … The FX Data Analytics & Gen AI Technology team provides data, analytics, and tools to Citi FX sales and trading globally and is responsible for defining and executing the overall data strategy for FX. The successful candidate will be responsible for developing and implementing data-driven models … and engineering robust data and analytics pipelines, to unlock actionable insights from our vast amount of global FX data. The role will be instrumental in executing the overall data strategy for FX and will benefit from close interaction with a wide range of stakeholders across sales, trading, and More ❯

handles over 500 billion requests every day (for comparison Google serves an estimated 9 billion searches a day), all running in our own global data centers. Every member of our technology team has an enormous amount of autonomy in building and managing our systems to support and enable our … drive to deliver software products and platforms that enable and empower industries at a global scale. About The Role: We're looking for a Senior Data Scientist who can bring their depth and breadth of experience in applied data science and optimization at industry scale to … and to drive pragmatic execution and iterative improvement of the same. Index's scale spans the globe, our transactions happen 24x7 in our global data centers, and every second that passes millions of requests are evaluated across our exchange. In order to achieve our mission, global efficiency and reliability More ❯

Location: Remote (1 Day per month in London office) Department: Data Reports to: Director of Data Type: Full-time About Petlab Co. PetLab Co. is the world's fastest-growing pet supplement business. Launching in 2018, we successfully achieved a 9-figure revenue in 2024 without any external … the ideal place for an ambitious, hardworking animal lover who wants to progress their career rapidly. About the Role We're looking for a Senior Data Scientist to join our Growth team and play a key role in maximizing both customer acquisition and retention across the business. … and forecasting. This is a high-visibility role where your work will directly influence business strategy, growth initiatives, and long-term customer value. Our data warehouse is hosted in Big Query and we use Power BI as our visualisation tool. We move and think fast so it's important More ❯

world while gaining meaningful experience across a variety of disciplines. About the Team The Core Analytics Team is a centralized function dedicated to providing data-driven insights to drive business and product success. We work closely with our Product and Engineering teams to deliver exceptional experiences to our customers … of three days per week at the designated office. This is an essential aspect of the position. About the Role Roku is seeking a Senior Data Scientist to join the Core Analytics team supporting CoreOS engineering team. In this role, you will harness data analytics to … ideal candidate is detail-oriented, highly analytical, and passionate about solving complex challenges. What You'll Be Doing: Designing and maintaining dashboards, reports, and data visualizations to monitor key metrics for operational and system performance. Analyzing both structured and unstructured data to uncover insights, identify trends, and support More ❯

planning to sophisticated user experiences that guide our team members on the ground. About the role As a highly operational business, we rely on data science to guide how every parcel moves through our network - from when it enters the system to when it's delivered at the doorstep. … We're hiring a Senior Data Scientist to help us design, test, and improve the algorithms that power routing across Relay's first, middle, and last mile. This role sits at the intersection of operations research and applied data science; it's well-suited to someone … enjoys turning real-world routing challenges into scalable, production-ready solutions. You'll work directly in a cross-functional squad which includes Operations, Engineering, Data Analytics, and other Data Scientists, to improve how parcels are grouped, sequenced, and routed across the network. You'll also play a key More ❯

Senior Data Scientist - Recommendation Systems London x3 days in office Xcede are delighted to be partnering with a very exciting scale-up. The company is operating on a need-to-know basis right now, so if you want to learn more about this one please get in … the company's core platform. Help to define the company's Product strategy through creating impactful tools for customers/members. Mentor junior engineering & data science hires. Requirements Strong academic background in a relevant field (Statistics, Computer Science, etc.) Years of commercial experience working on and deploying recommendation engines More ❯

Senior Data Scientist - Recommendation Systems London x3 days in office Xcede are delighted to be partnering with a very exciting scale-up. The company is operating on a need-to-know basis right now, so if you want to learn more about this one please get in … the company's core platform. Help to define the company's Product strategy through creating impactful tools for customers/members. Mentor junior engineering & data science hires. Requirements Strong academic background in a relevant field (Statistics, Computer Science, etc.) Years of commercial experience working on and deploying recommendation engines More ❯

learning algorithms and AI are at the heart of how we will deliver an unrivalled customer experience and unlock operational efficiencies through automation. Our Data Science (DS) and Machine Learning Engineering (MLE) teams are currently focused on delivering Personalisation products, with future scope to develop sportsbook specific Reward products … and collaborate with our Quant team to develop trading automation solutions. We are recruiting a Senior Data Scientist to join our product-led team and contribute to the success of our Kindred Sportsbook Platform. This role will report into our Personalisation team. What you will do Actively … contribute to product development, able to interpret requirements and deliver independently. Work closely with business stakeholders to translate business requirements into data science use cases, proactively reaching out in ambiguous situations, adapting to feedback and generating insights/solutions backed by data to drive the decisions. Collaborate with More ❯

You will join us as our new Senior Data Scientist who will help us optimise our user acquisition efforts within the mobile gaming space. Your primary focus will be in doing statistical analysis, building time-series models and using causal inference. You will be working closely with … User Acquisition team to advise them on optimal budget allocation. What You'll Do An opportunity for you to work with large and complex data sets, with the autonomy to make a huge impact on the success of our hit mobile games. You will work as part of an … experienced and highly skilled team of 20+ data scientists globally with opportunities to learn and develop. What Will You Be Doing? Use simple analytics, causal inference, machine learning or any other techniques to understand our user behaviour and assess effectiveness of multiple marketing channels. Build or improve existing forecasting More ❯

Press Tab to Move to Skip to Content Link Select how often (in days) to receive an alert: Senior Data Scientist/AI Engineer About The Job You're Considering We work with our clients to fully exploit their data using the power of AI & Analytics … and Barring Service) Your Role We are looking for people with strong technical knowledge in areas such as machine learning, GenAI, computer vision, and data science, combined with solid solution architecture and software engineering skills, that will allow us to design and build solutions which can be deployed at … everyone. Your Skills and Experience Capabilities in a range of AI techniques (e.g. supervised and un-supervised machine learning techniques, GenAI, deep learning, graph data analytics, statistical analysis, time series, geospatial, NLP, sentiment analysis, pattern detection, etc.). Strong communication skills - able to compellingly present work to clients, disseminating More ❯

techniques, including Predictive AI, LLMs, and other algorithms to identify security-relevant attributes within application responses. Role & Responsibilities We're looking for an experienced Data Scientist to join our automated red teaming product team to enhance data insights and accuracy. In this role you will: Analyze the … approaches identified by the team. Identify and develop further improved methods for classifying results and identifying vulnerabilities. Identify new insights and visualisations from our data that would benefit our customers. Design and implement improvements to data pipelines and labelling systems that facilitate ongoing quality. Advise the engineering team … on good data engineering and data science practices. Work with the wider engineering team to implement your proposals. Clearly communicate complex data insights to less technical colleagues. Skills & Experience We're looking for people who are: Highly competent at statistical analysis. Experienced in Data Science and More ❯

WeDiscover was founded with the belief that when you combine performance marketing experts with data scientists and engineers, amazing things can happen. Our mission is to build the most innovative and profitable performance marketing campaigns in the world using bespoke, custom-built technology. We are a young company - founded … to make those crucial early hires that will set a solid foundation for years to come and ensure we achieve excellence. As a Lead Data Scientist, you will play a pivotal role in shaping our data science function, ensuring we deliver best-in-class machine learning, optimisation … advanced & predictive analytics, and experimentation & measurement solutions. This is a unique opportunity to take ownership of our data science efforts, influence the direction of the team, and set new standards for excellence. Reporting directly to the Director of Data, you will oversee the execution of high-impact projects More ❯

WeDiscover was founded with the belief that when you combine performance marketing experts with data scientists and engineers, amazing things can happen. Our mission is to build the most innovative and profitable performance marketing campaigns in the world using bespoke, custom-built technology. We are a young company - founded … to make those crucial early hires that will set a solid foundation for years to come and ensure we achieve excellence. As a Lead Data Scientist, you will play a pivotal role in shaping our data science function, ensuring we deliver best-in-class machine learning, optimisation … advanced & predictive analytics, and experimentation & measurement solutions. This is a unique opportunity to take ownership of our data science efforts, influence the direction of the team, and set new standards for excellence. Reporting directly to the Director of Data, you will oversee the execution of high-impact projects More ❯

industry-leading flexibility and last-minute availability, making any day extraordinary. Viator. One app, 300,000+ experiences you'll remember. Role Overview As a Senior Data Scientist within the Experimentation Platform Team, you will develop and maintain our in-house experimentation platform that runs all experiments at … Responsibilities Identify opportunities to improve experimentation methodologies, ensuring adherence to industry best practices. Apply advanced statistical techniques to validate experimental findings. Build and maintain data pipelines for experiment analysis. Utilize causal inference techniques to address business problems. Work with stakeholders to define requirements for a world-class experimentation platform. … Key Requirements Postgraduate degree in statistics, machine learning, or equivalent experience across the data science lifecycle. Deep knowledge of statistical hypothesis testing and ML modeling techniques. Proficiency in Python (Numpy, Pandas, Scikit-learn) and SQL. Effective communication skills across diverse audiences. Experience with A/B testing in e More ❯

Principal Data Scientist Up to £85,000 London (Hybrid, 3 days onsite per week) Company: Join one of the world’s biggest high street fashion brands, who has been leading the industry for the past 55 years. They are looking for a Principal Data Scientist to … lead and scale their data science strategy, helping to unlock insights, optimise performance, and shape the future! They are on a mission to make a real impact - for our customers and our people. With a strong presence both online and offline, we're committed to driving innovation, embracing inclusivity … and creating meaningful experiences through the power of data. Responsibilities: Own the data science strategy and roadmap across the business Build, mentor, and scale a high-performing team of data scientists and analysts Create scalable solutions to solve real-world challenges like demand forecasting, personalisation, and customer segmentation More ❯

guiding us to deliver impact how and where it matters most. Connect to your opportunity Our Tax and Legal Ventures team is expanding its Data analytics and Artificial Intelligence capabilities. The Data and AI studio supports the Tax and Legal business in researching, building, and delivering analytics and … drive exciting and innovative growth opportunities. You'll work as part of a multi-disciplinary team of industry, tax and legal SMEs, technology, and data specialists to provide specialist data science expertise and support on a diverse range of projects with both an internal and client focus. Your … role will be as a Lead Data Scientist within our expanding AI & Data Studio, responsible for leading the design, development of early-stage concepts and scalable deployment of next-gen (Gen) AI solutions for the Tax & Legal business. You will also be responsible for leading a high More ❯

Principal Data Scientist London - Hybrid (3 days a week) Up to £125,000 + benefits This is a great opportunity for a Principal Data Scientist to join an exciting marketing consultancy - in an 80% hands-on, 20% technical leadership/management role. THE ROLE In this … on advanced projects across GenAI and NLP Work closely with an Engineering team, whilst remaining full stack in your projects Report into Head of Data Science Driving commercial value closely with senior stakeholders Have a chance to upskill and mentor/manage, within a strong team of … Skills And Experience Strong Data Science/Statistical fundamental knowledge is required Experience across some of recommenders, forecasting, pricing, churn, marketing etc. - this is a role for a generalist! Exposure to some of GenAI, NLP, Computer Vision is a bonus MSc in a STEM subject (Maths, Physics, Data More ❯

Principal Data Scientist London - Hybrid (3 days a week) Up to £125,000 + benefits This is a great opportunity for a Principal Data Scientist to join an exciting marketing consultancy - in an 80% hands-on, 20% technical leadership/management role. THE ROLE In this … on advanced projects across GenAI and NLP Work closely with an Engineering team, whilst remaining full stack in your projects Report into Head of Data Science Driving commercial value closely with senior stakeholders Have a chance to upskill and mentor/manage, within a strong team of … Skills And Experience Strong Data Science/Statistical fundamental knowledge is required Experience across some of recommenders, forecasting, pricing, churn, marketing etc. - this is a role for a generalist! Exposure to some of GenAI, NLP, Computer Vision is a bonus MSc in a STEM subject (Maths, Physics, Data More ❯

Principal Data Scientist Up to £125,000 London (Hybrid, 3 days onsite per week) Company: A leading marketing and analytics agency is seeking a Lead Data Scientist to develop and deploy end-to-end AI solutions. You'll work on machine learning models for retention, price … tools like SQL, Spark, and Databricks. Apply clustering, classification, regression, time series modelling, NLP, and deep learning. Develop recommendation engines and leverage third-party data enhancements. Implement MLOps/DevOps practices in cloud environments (AWS, Azure, GCP). Ensure explainability, bias detection, and algorithmic fairness in models. Collaborate with … stakeholders to translate business challenges into data-driven solutions. Requirements: MSc or PhD Degree in Computer Science, Artificial Intelligence, Mathematics, Statistics or related fields. Strong Python skills (bonus: C++, SQL, Spark) Experience in ML algorithms (XGBoost, clustering, regression) Expertise in Time Series, NLP, Computer Vision, MLOps Knowledge of AWS More ❯

and beyond to make them feel seen and heard in everything we do. About the Role We're looking for a Lead Risk Pricing Data Scientist who will lead the development of our credit risk and pricing systems. This is a unique opportunity to shape a new system … from the ground up, unencumbered by legacy systems or constraints. The Lead Risk Pricing Data Scientist will be a hands-on builder and help us develop a team over time. They will be part of a small team of engineers and product people, working independently from the wider … country migrants. Developing and owning robust risk monitoring and reporting processes to ensure we stay within appetite as we scale. Being a champion of data and solidifying data-driven processes within the team. Building a team of analysts and data scientists as we scale, and setting a More ❯

Principal Data Scientist - 6 Month Contract Remote - £525 - 575/day Inside IR35 Spinks are partnered with a leading UK Consultancy who are looking for an experienced Data Scientist to join on an exciting project in the early stages of its journey. This project works closely … with a leading Entertainment platform, aiming to improve and optimise the search engine function. You will work with other Data Scientists to build and optimise ML Models that improve the accuracy and efficiency of the search engine. Experience in a similar project is extremely beneficial for this position. Essential More ❯

Principal Data Scientist - 6 Month Contract Remote - £(Apply online only)/day Inside IR35 Spinks are partnered with a leading UK Consultancy who are looking for an experienced Data Scientist to join on an exciting project in the early stages of its journey. This project works … closely with a leading Entertainment platform, aiming to improve and optimise the search engine function. You will work with other Data Scientists to build and optimise ML Models that improve the accuracy and efficiency of the search engine. Experience in a similar project is extremely beneficial for this position. More ❯

dunnhumby is the global leader in Customer Data Science, empowering businesses everywhere to compete and thrive in the modern data-driven economy. We always put the Customer First. Our mission: to enable businesses to grow and reimagine themselves by becoming advocates and champions for their Customers. With deep … heritage and expertise in retail - one of the world's most competitive markets, with a deluge of multi-dimensional data - dunnhumby today enables businesses all over the world, across industries, to be Customer First. We're looking for a Senior Applied Data Scientist who expects more … problems into compelling insights using the best of machine learning and human creativity to deliver effective and impactful solutions for clients. Joining our advanced data science team, you'll investigate, develop, implement and deploy a range of complex applications and components while working alongside super-smart colleagues challenging and More ❯