26 to 50 of 139 Senior Data Scientist Jobs

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 J13004 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 ❯

R- Description We are currently seeking a Senior Data Scientist who can turn raw data into actionable insights that guide business decisions and drive strategic initiatives. You'll leverage advanced statistical methods, machine learning, and cross-functional collaboration to innovate and inform the organization. As a Senior Data Scientist, you will lead the … development of Data Science solutions for our Data Science capabilities within the Leidos National Security Sector. This position will support multiple programs and projects as well as being responsible for defining and maturing the organization's processes and building/supervising a core group of software engineers. Primary Responsibilities: Design and develop methods, processes, and systems to consolidate … and analyze data sets. Develop and use advanced statistical concepts, algorithms, querying and automated processes to clean, model, integrate and evaluate complex datasets. Contribute to complex data-driven development projects involving diverse data types using modern ML architectures. Can act as SME for program engagements or proposal efforts. Translate complex findings into user-friendly reports, dashboards, and More ❯

The Red Gate Group is seeking a Senior Data Scientist to support the Defense Threat Reduction Agency (DTRA) in Reston, VA. In this role, you'll combine technical expertise with leadership skills to solve some of the nation's most critical challenges. You'll work directly with clients to uncover their toughest questions, explore complex datasets, and … design advanced algorithms that deliver clear, actionable insights. As a Senior Data Scientist, you'll not only build and deploy cutting-edge models-you'll also mentor teammates, shape best practices, and lead efforts to translate data into mission impact. This is an opportunity to turn complex, high-volume data streams into meaningful intelligence that … drives real-world decisions. Key Responsibilities Lead the design and implementation of machine learning models for classification, extraction, summarization, and search. Work with clients to frame problems, identify data sources, and develop analytic strategies. Build end-to-end ML workflows, from data preparation and exploration to deployment and evaluation. Manage large-scale, production-level systems processing millions 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 ❯

Senior Data Scientist - Manchester or London We are working on an exciting role with a scale up SaaS company who are seeking a Senior Data Scientist in Manchester or London. The Role We're seeking a skilled professional with a background in data science and machine learning to contribute to the development of … reliability of ML systems Skills Required Proven experience with ML in production environments Strong skills in Python, SQL, and AWS (SageMaker, Lambda, etc.) Familiarity with MLOps and real-time data applications A pragmatic mindset and strong problem-solving ability Background in adtech or fraud detection is a bonus Desired Skills and Experience Data Science, Machine Learning, Python, Deployment More ❯

Senior Data Scientist - Manchester or London We are working on an exciting role with a scale up SaaS company who are seeking a Senior Data Scientist in Manchester or London. The Role We're seeking a skilled professional with a background in data science and machine learning to contribute to the development of … reliability of ML systems Skills Required Proven experience with ML in production environments Strong skills in Python, SQL, and AWS (SageMaker, Lambda, etc.) Familiarity with MLOps and real-time data applications A pragmatic mindset and strong problem-solving ability Background in adtech or fraud detection is a bonus Desired Skills and Experience Data Science, Machine Learning, Python, Deployment More ❯

Senior Data Scientist - Manchester or London We are working on an exciting role with a scale up SaaS company who are seeking a Senior Data Scientist in Manchester or London. The Role We're seeking a skilled professional with a background in data science and machine learning to contribute to the development of … reliability of ML systems Skills Required Proven experience with ML in production environments Strong skills in Python, SQL, and AWS (SageMaker, Lambda, etc.) Familiarity with MLOps and real-time data applications A pragmatic mindset and strong problem-solving ability Background in adtech or fraud detection is a bonus Desired Skills and Experience Data Science, Machine Learning, Python, Deployment More ❯

Senior Data Scientist (Optimisation) Hybrid (2/3 office split) | London £80k–£90k + Share options + Additional benefits The business This is a fast-growing AI technology company of around 15 people, building cutting-edge predictive and optimisation solutions for real-world operational challenges. The data team you'll be joining is at the centre … of their platform which powers smarter workforce planning, scheduling and supply chain decisions for the clients they support. The role They're looking for a Senior Data Scientist with a passion for optimisation and operations research to help take the platform to the next level. There is a strong focus on mathematical modelling and utilising ML and … models and optimisers (beyond standard ML approaches) Evolve the existing optimiser into a scalable, production-ready system Write production-quality Python code and collaborate closely with engineers and other data scientists What they're looking for Strong Python skills (critical) Hands-on experience with optimisation/operations research/mathematical modelling Background in supply chain or workforce planning (desirable 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 ❯

Job Title: Senior Data Scientist Location(s): Springfield, VA Workplace: On-site Clearance Required: TS/SCI with willingness to sit for CI Polygraph Position Overview: We are seeking a talented and motivated Senior Data Scientist with expertise in statistical analysis, artificial intelligence and machine learning, to join our team. In this role, you … will be responsible for developing advanced algorithms and data-driven solutions that address complex challenges for our customers within the U.S. Intelligence Community. In addition, were looking for someone interested in growing as a leader. Roles and Responsibilities: Support client strategies through the creation of automated collection models, dynamic analytic models, workflow automations, and any other automation processes and … products as assigned. Refine, enhance, and improve the operational performance of any automated solution through the evaluation of performance data, regular customer interaction, and a standardized maintenance cycle. Apply data science and visual programming tradecraft to support and streamline analysis tasks as identified by stakeholders and the government. Enhance technical solutions to problems related to IC intelligence integration More ❯

ManTech seeks a motivated, career and customer-oriented Senior Data Scientist to join our team in Chantilly, VA. Responsibilities include but are not limited to: Creating new innovative methodologies through collaboration with data visualization experts, analyst personnel, and leadership to detect threats as the insider threat landscape evolves. Utilizing cutting-edge technologies for in-depth analysis … of threat data and development of algorithms that directly support analysts for proactive insider risk detection. Providing data expertise and building custom data pipelines of large data sets using commercial and/or open-source data science tools in support of big data frameworks. Developing tools and methodologies to ensure the vast amount of … data, both structured and unstructured, is properly categorized, extracted, transformed, loaded, translated, integrated, visualized, and presented to the analysts in an efficient manner. Staying current on all data science methodologies, developments and industry best practices and applying those, as appropriate. Evaluating and recommending new methodologies and techniques to further develop the Insider Threat Program. Utilizing Artificial Intelligence/ More ❯

As a Principal Data Scientist, you will be part of a team bringing AI and Data Science into the forefront of SB. We are looking for an experienced, technical, but pragmatic Staff Data Scientist to enable our wider team to deliver value quickly. The role will report into Josh Dawson, our Head of Analytics and … Data Science, and sit alongside our talented Data Science team. As our Principal Data Scientist, you'll: work closely with cross-functional development teams to build, test, and maximize the value of a suite of models ranging from LLM's to propensity, classification, and regression models contribute to end-to-end development and deployment of ML … and AI models define best practices for a team of highly talented and experienced Data Scientists have the opportunity to work with stakeholders in a high-pace, agile environment that encourages autonomy and growth create best practices for the technical side of Data Science at SB and drive value into SB in partnership with multiple stakeholders We're 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 ❯

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 ❯

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 Remote (quarterly travel to London) Up to £75,000 We are working with a well-established media group with a diverse portfolio of household brands spanning publishing, entertainment, and digital products. The business is investing heavily in analytics and data, with the aim of transforming how customers experience their products and services. You … ll be the first Data Scientist to join a team currently made up of analysts and Data Engineers , reporting directly into the CDO. This is a role with real scope for impact - delivering high-value projects across multiple brands, helping prove the case for data science, and laying the groundwork for a team that will grow … around you. What you’ll be doing Apply data science to varied datasets across multiple brands and business areas. Lead on projects such as: Content personalisation – enriching and tagging large content libraries with AI to deliver smarter recommendations. Customer segmentation & clustering – building behavioural insights to improve targeting and retention. CRM optimisation – shaping push notifications, email, and advertising strategies with More ❯

About The Role FDM is a global business and technology consultancy seeking a Senior Data Scientist to work for our client within the energy sector. This is initially a 6-month contract with the potential to extend and will be a hybrid role based in London. Our client is seeking a Senior Data Scientist … oil markets Develop and maintain fundamental balance and pricing models, leveraging advanced statistical techniques and industry best practices Engage closely with traders, analysts, and market strategists to translate complex data into actionable insights that drive trading performance Identify and automate repetitive processes, creating scalable, reusable modules across analytics projects Monitor developments in internal statistical techniques and external market dynamics … knowledge and building capability across the trading analytics community Present analysis and recommendations to stakeholders, influencing high-impact commercial decisions About You Requirements Minimum of 3 years' experience in data science, ideally within a commercial or trading environment Proficiency in time series analysis, regression modelling, and forecasting techniques Strong experience with Python and core libraries for data science More ❯

Who We're Looking For (Position Overview:) Spry Methods is seeking a Senior Data Scientist to support national security initiatives by delivering actionable data-driven insights. You will collaborate directly with investigators and analysts to understand complex data challenges, apply advanced analytical methods, and deliver results that impact critical missions. What Your Day-To-Day … term project growth and success. Functions as a technical expert across multiple project assignments. May supervise others. Collaborate with non-technical, national security investigators and analysts to understand their data science needs, suggest solutions, and complete the work in a timely manner. Lead and/or design machine learning (ML), statistical analysis, and data analysis tasks. Leverage existing … and/or conduct custom Extract Transform Load (ETL) work to aggregate data from multiple repositories and condition the data to provide novel insights. Interpret data, identify features and model variables, assess the quality of model outputs, generate alternatives, and conduct remediation. Find and design new approaches to handling, analyzing, and using large volumes of data More ❯

generous company match • Training and Development Opportunities • Award Programs • Variety of Company Sponsored Events Requires an active TS/SCI Security Clearance Position Summary: We are looking for a Senior Data Scientist, with experience processing and analyzing large datasets, who will use their technical knowledge, experience, and customer-centric focus to create and deliver world-class analytic … processes, scripting solutions, and data modeling content. This is a mission-driven opportunity to support the DoD and Intelligence Community. The Data Scientist will coordinate with our clients to understand questions and issues involving the client's datasets, then determine the best method and approach to create data-driven solutions within program guidelines. This position will … be relied upon as a Subject Matter Expert (SME), and be expected to lead/assist in the development of automated processes, architect data science solutions, automated workflows, conduct analysis, use available tools to analyze data, remain adaptable to mission requirements, and identify patterns to help solve some of the complex problems that face the DoD and Intelligence More ❯

Senior Data Scientist - Remote We are working with a publishing company who have expanded into digital platforms and subscription-based businesses. They are focused on building personalised media experiences and improving user engagement across their platforms. They are now hiring their first Data Scientist to join a team of analysts and engineers. This is a … tagging. Work on user experience optimisation, such as improving content recommendations and personalisation strategies across web, CRM and app platforms. Partner with the analytics and engineering teams to define data science best practices, tooling, and workflow. Desired Skills and Experience Data Science, Segmentation, Subscriptions More ❯

Data Scientist - Customer Experience Location: London (2 days per week on site) Contract Length: 3 months initially, scope to extend Day Rate: £615 per day (Inside IR35) Overview A leading organisation is seeking an experienced Data Scientist to join their Customer Experience and Fraud Compensation team. This role will focus on developing and refining models that … service outcomes. Support the expansion and adaptation of existing models from international teams. Translate complex analytical outputs into clear, actionable insights for non-technical stakeholders. Develop visualisations and concise data stories to communicate findings to senior leaders. Ensure models remain robust, interpretable, and commercially relevant , avoiding unnecessary complexity. Required Skills and Experience Proven experience as a Data Scientist within a customer, marketing, or consumer analytics environment. Strong proficiency in Python for data manipulation, analysis, and model development. Experience working with Vertex AI Solid understanding of predictive modelling , causal inference , optimisation , or uplift modelling . Demonstrated ability to simplify technical work for senior business audiences. Collaborative mindset with the ability to take on feedback More ❯

solutions that transform the way people and businesses interact with data. With a strong focus on AI, machine learning, and advanced analytics, they are tackling complex challenges and driving data-led decision-making across their industry. The Opportunity: We are partnering with our client to find a talented Senior Data Scientist who is passionate about using … data to deliver real business impact. This is a fantastic opportunity to join a collaborative team where you'll work alongside engineers, product managers, and business stakeholders to shape data-driven products and strategies. Key Responsibilities: Develop and implement machine learning models and algorithms to solve real-world business challenges. Collaborate with cross-functional teams to identify opportunities … where data science can create value. Conduct statistical analysis and data mining to extract insights from large, diverse datasets. Translate complex data findings into clear and actionable recommendations for both technical and non-technical audiences. Ensure data quality and integrity while building scalable solutions. Stay current with the latest developments in AI, machine learning, and data More ❯

Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time. Principal Data Scientist - why this role matters to you: Work for Delta Defense, the private company that provides Marketing, Operations and Customer Service for the U.S. Concealed Carry Association. The … USCCA safeguards life, freedom, and finances for responsible American protectors. Learn more about the USCCA at As Principal Data Scientist, you'll lead the design and deployment of advanced analytics, machine learning, and AI solutions that directly enhance member services, strengthen operational decision-making, and drive responsible gun ownership awareness. This role combines high-level strategy with deep … the forefront of applied AI innovation. You'll have the freedom to experiment, prototype, and deploy solutions that push the boundaries of what's possible in our industry. Principal Data Scientist - Essential Duties & Responsibilities: Leadership and Strategy: Collaborate with the Director of Advanced Analytics to define and advance the data science vision and roadmap, ensuring alignment with More ❯