Senior Data Scientist Jobs in London

76 to 100 of 173 Senior Data Scientist Jobs in London

Principal Data Scientist (Remote)

london (west end), south east england, United Kingdom
Hybrid / WFH Options
Datatech Analytics
Principal Data Scientist - Remote Remote Working - UK Home-based with very occasional travel into the office £52,737 - £66,197 (National Framework) or £58,409- £71,869 (London Framework – if you are London office based or homebased and live within the boundary of the M25) Plus an additional … with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating … cross-functionally the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstratable experience of Python coding and clouding computing is required coupled with fantastic communication skills to problem solve and More ❯
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Senior Marketing Data Scientist

London Area, United Kingdom
Hybrid / WFH Options
ECM Talent
Senior Marketing Data Scientist/MMM Specialist Location: London (Hybrid Working) Duration: Minimum 6 month contract + long term extensions - Project scope scheduled for the next 2/3 years. Start Date: ASAP We have an excellent opportunity for a Senior Marketing Data Scientist … multinational FMCG brand in London. Hybrid working, initial 6 month contract + opportunity to extend long-term & start date May 2025. Role Summary: Lead data activities including extraction, transformation, analysis, and validation to support Marketing Mix Modelling (MMM). Build, enhance, and validate models to analyze KPIs and guide … modeling, statistical and ML techniques . Experience with probabilistic programming, Bayesian methods, and MCMC. Proficient in SQL and/or Spark for large-scale data mining. Solid understanding of statistical foundations and mathematical modelling. Familiarity with cloud-based frameworks; Azure preferred. Advanced degree (MS/PhD) in Data More ❯
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Senior Marketing Data Scientist

london, south east england, United Kingdom
Hybrid / WFH Options
ECM Talent
Senior Marketing Data Scientist/MMM Specialist Location: London (Hybrid Working) Duration: Minimum 6 month contract + long term extensions - Project scope scheduled for the next 2/3 years. Start Date: ASAP We have an excellent opportunity for a Senior Marketing Data Scientist … multinational FMCG brand in London. Hybrid working, initial 6 month contract + opportunity to extend long-term & start date May 2025. Role Summary: Lead data activities including extraction, transformation, analysis, and validation to support Marketing Mix Modelling (MMM). Build, enhance, and validate models to analyze KPIs and guide … modeling, statistical and ML techniques . Experience with probabilistic programming, Bayesian methods, and MCMC. Proficient in SQL and/or Spark for large-scale data mining. Solid understanding of statistical foundations and mathematical modelling. Familiarity with cloud-based frameworks; Azure preferred. Advanced degree (MS/PhD) in Data More ❯
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Senior Data Scientist

London Area, United Kingdom
Harnham
SENIOR DATA SCIENTIST Up to £90,000 Hybrid - London COMPANY: We are working with a leading technology company focused on how athletes enhance their performance. Their platform leverages advanced data analytics to provide personalized insights, helping users make smarter decisions and improve their game. Additionally, they … support major sports leagues and organizations by offering comprehensive data and analytics tools. ROLE: Lead the development of data science models, integrating them into product features. Optimize and deploy machine learning models, ensuring performance and scalability. Monitor and improve model performance post-deployment. Collaborate with product teams to … metrics and analyze user behavior. Design and implement A/B tests to evaluate new features and improvements. Stay updated with the latest in data science and drive research initiatives. Write clean, maintainable code, enforcing coding standards and best practices. Conduct code reviews to ensure technical quality. Present complex More ❯
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Senior Data Scientist

London Area, United Kingdom
Hybrid / WFH Options
MarkJames Search
Job Title: Senior Data Scientist Location: Stratford, London (Hybrid, -3 days per week onsite) Contract Length: 6 months Rate: £400–£500 per day (Inside IR35) Industry: Financial Services Are you passionate about bridging the gap between machine learning and software engineering? We're looking for a Full … Stack Data Scientist to join our clients innovative team in Stratford, London , where you'll play a pivotal role in delivering scalable, production-ready AI/ML solutions. Responsibilities Collaborate across Data Science and DevOps to turn experimental ML models into deployed applications. Package and deploy ML … pipelines using Jenkins, Maven, and more. Support the full ML lifecycle including monitoring, governance, and reproducibility. Requirements Degree (or equivalent experience) in Computer Science, Data Science, Mathematics, or a technical field. Proficiency in Python (or R), with hands-on experience in ML and statistical modeling. End-to-end experience More ❯
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Senior Data Scientist

london, south east england, United Kingdom
Hybrid / WFH Options
MarkJames Search
Job Title: Senior Data Scientist Location: Stratford, London (Hybrid, -3 days per week onsite) Contract Length: 6 months Rate: £400–£500 per day (Inside IR35) Industry: Financial Services Are you passionate about bridging the gap between machine learning and software engineering? We're looking for a Full … Stack Data Scientist to join our clients innovative team in Stratford, London , where you'll play a pivotal role in delivering scalable, production-ready AI/ML solutions. Responsibilities Collaborate across Data Science and DevOps to turn experimental ML models into deployed applications. Package and deploy ML … pipelines using Jenkins, Maven, and more. Support the full ML lifecycle including monitoring, governance, and reproducibility. Requirements Degree (or equivalent experience) in Computer Science, Data Science, Mathematics, or a technical field. Proficiency in Python (or R), with hands-on experience in ML and statistical modeling. End-to-end experience More ❯
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Senior Data Scientist

London Area, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
Net Zero | London | Senior Data Science We're looking for a Senior Data Scientist to join a fast-growing Energy Tech startup building the critical infrastructure to accelerate net-zero goals. Backed by top VCs and angel investors (previously invested in Meta, BeReal, Slack, and … minds in tech $10M+ in funding - early-stage impact with financial stability. Greenfield projects building scalable, real-time energy solutions 🚀 Your Role: Use Python & Data Science to drive innovation in energy optimization Build 0-1 solutions in a mission-driven team You are passionate about joining a high-growth More ❯
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Senior Data Scientist

London Area, United Kingdom
Harnham
Senior Data Scientist London – Hybrid (3 days a week) £70,000 - £90,000 + Benefits Our client is a precision marketing agency, leveraging data, technology, and creativity to fuel client growth. As part of their Marketing Sciences Data Science Team, you’ll play a pivotal … role in revolutionising marketing strategies through cutting-edge Data Science and Machine Learning solutions. What You’ll Do Build predictive models for campaign optimisation, forecasting, and price elasticity analysis. Support junior data scientists while contributing to high-impact projects. Create and implement AI-driven solutions that personalise customer … experiences and maximise marketing performance. Use A/B testing and advanced analytics to assess the real-world impact of data-driven strategies. Present findings to technical and non-technical stakeholders, driving data-led decision-making. What We’re Looking For A strong academic background in Computer Science More ❯
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Senior Data Scientist

london, south east england, United Kingdom
Harnham
Senior Data Scientist London – Hybrid (3 days a week) £70,000 - £90,000 + Benefits Our client is a precision marketing agency, leveraging data, technology, and creativity to fuel client growth. As part of their Marketing Sciences Data Science Team, you’ll play a pivotal … role in revolutionising marketing strategies through cutting-edge Data Science and Machine Learning solutions. What You’ll Do Build predictive models for campaign optimisation, forecasting, and price elasticity analysis. Support junior data scientists while contributing to high-impact projects. Create and implement AI-driven solutions that personalise customer … experiences and maximise marketing performance. Use A/B testing and advanced analytics to assess the real-world impact of data-driven strategies. Present findings to technical and non-technical stakeholders, driving data-led decision-making. What We’re Looking For A strong academic background in Computer Science More ❯
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Senior Data Scientist

London, United Kingdom
Hybrid / WFH Options
Elliptic Enterprises Ltd
Senior Data Scientist Department: Intelligence Collection Employment Type: Full Time Location: London, UK Reporting To: Stephen Hazelton Description Do you want to be part of the future of value transfer? Are you excited about solving problems that have never been solved before? Are you looking for a … models to build. Prioritise based on efficiency, unit economics and value to our business. Work in a highly collaborative environment with engineers, blockchain analysts, data scientists, researchers. Your shared goal is creating intelligence, you contribute in different ways. Be deeply opinionated about where we're spending our time (as … You will be a great fit here if you: Are highly curious and sceptical. Have experience digging into huge datasets, spotting quirks in the data and pulling the thread - finding the truth. Can focus only on analysis or models which will be useful for our business - cut through the More ❯
Employment Type: Permanent
Salary: GBP Annual
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Senior Data Scientist - MTA/Marketing Mix Modelling

London Area, United Kingdom
Hybrid / WFH Options
Freshminds
Senior Data Scientist - Multi Touch Attribution/Marketing Mix Modelling About the job Our client is a leading global company specializing in premium lifestyle products across various categories, including apparel, accessories, and home. They are currently seeking an experienced Data Scientist with specific marketing modelling … to join their team. Responsibilities: Leverage econometric and MTA methodologies to assess marketing effectiveness and provide strategic recommendations Oversee data collection, including extraction, manipulation, analysis, and validation, ensuring proper use of KPIs in modelling. Build MTA models to analyse operations and drive actionable insights. Utilise Excel, SQL, and Python … to process, transform, and create models, while presenting findings to stakeholders at all levels. Requirements: 5+ years of experience in Data Science, with expertise in Snowflake, SQL, Python, and R. Demonstrable MTA/MMM modelling experience. Strong understanding of customer journeys from a quantitative perspective and experience in Data More ❯
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Senior Data Scientist - MTA/Marketing Mix Modelling

london, south east england, United Kingdom
Hybrid / WFH Options
Freshminds
Senior Data Scientist - Multi Touch Attribution/Marketing Mix Modelling About the job Our client is a leading global company specializing in premium lifestyle products across various categories, including apparel, accessories, and home. They are currently seeking an experienced Data Scientist with specific marketing modelling … to join their team. Responsibilities: Leverage econometric and MTA methodologies to assess marketing effectiveness and provide strategic recommendations Oversee data collection, including extraction, manipulation, analysis, and validation, ensuring proper use of KPIs in modelling. Build MTA models to analyse operations and drive actionable insights. Utilise Excel, SQL, and Python … to process, transform, and create models, while presenting findings to stakeholders at all levels. Requirements: 5+ years of experience in Data Science, with expertise in Snowflake, SQL, Python, and R. Demonstrable MTA/MMM modelling experience. Strong understanding of customer journeys from a quantitative perspective and experience in Data More ❯
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Senior Data Scientist - Middle Mile & Pitstops

London, United Kingdom
Hybrid / WFH Options
relaytech.co
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 power nearly every part of our network - from forecasting parcel volumes, to pricing and planning courier capacity, to understanding and improving the … economics of our operation. We're hiring a Senior Data Scientist to help us optimise our middle mile operation and model the growth, performance, and economics of our pitstop network. This role spans across domains, touching forecasting, operations, and commercial planning, and is ideal for someone who … focus on middle mile optimisation, pitstop expansion, and understanding the long-term financial value of our physical network . You'll also bring together data from across the business, often fragmented or messy, and use smart tooling, automation, and AI to transform it into usable insight. You'll need More ❯
Employment Type: Permanent
Salary: GBP Annual
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Senior Data Scientist / Machine Learning Engineer

London, England, United Kingdom
Harnham
Contract Senior Data Scientist/ML Engineer £600-800/day | Outside IR35 | Hybrid (Central London, 2 days/week) We're working with a specialist consultancy delivering high-impact machine learning solutions to private equity-backed businesses. They are looking for an experienced Data Scientist … a live project, applying classical machine learning to solve tangible, high-value problems. You will be joining a small, collaborative team of engineers and data scientists on-site 2 days per week in Central London. The work focuses on traditional ML use cases, such as: Optimisation modelling to improve More ❯
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Senior Data Scientist / Machine Learning Engineer

london, south east england, United Kingdom
Harnham
Contract Senior Data Scientist/ML Engineer £600-800/day | Outside IR35 | Hybrid (Central London, 2 days/week) We're working with a specialist consultancy delivering high-impact machine learning solutions to private equity-backed businesses. They are looking for an experienced Data Scientist … a live project, applying classical machine learning to solve tangible, high-value problems. You will be joining a small, collaborative team of engineers and data scientists on-site 2 days per week in Central London. The work focuses on traditional ML use cases, such as: Optimisation modelling to improve More ❯
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Senior Economist or Data Scientist

London, United Kingdom
Career Moves Group
Senior Data Scientist or Senior Economist Location: UK, London Length: Start: Asap - End: 15/01/2026 Rate: £135k Annually (Inside IR35) Hours: 9am-6pm Overview The Global Affairs Consumer Insights pod is part of the Conversation Consumer Insights team and sits within the broader … Data & Insights organization within. Our pod serves as a strategic partner to the Global Affairs team (made of the Communications and Public Policy teams) and leverages data and economic analysis, as well as market research to produce the analysis and evidence underpinning and enhancing our external positions. Our … work also contributes to strengthening relationships and building credibility with regulators and key stakeholders. The Senior Economist role focuses on economic impact modeling, applying economic principles and analysis to policy issues and research. Responsibilities: Develop a roadmap for economic research spanning key policy issues and serving Public Policy teams More ❯
Employment Type: Permanent
Salary: GBP Annual
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Senior Data Scientist Cardiff, London or Remote (UK)

London, United Kingdom
Hybrid / WFH Options
Monzo
creating magical moments for our customers! We're not about selling products - we want to solve problems and change lives through Monzo. About our Data Science Team: We're looking for a Senior Product Data Scientist excited to help build the bank of the future. You … the UK, with over 100,000 new people joining every month. Enable Monzo to Make Better Decisions, Faster We have a strong culture of data-driven decision making across the whole company. And we're great believers in powerful, real-time analytics and empowerment of the wider business. All … our data lives in one place and is super easy to use. 90% of day-to-day data-driven decisions are covered by self-serve analytics through Looker which gives data scientists the headspace to focus on more impactful business questions and analyses. What you'll be More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Data Scientist

London Area, United Kingdom
Harnham
Lead Data Scientist Hybrid - London (3 days a week) Up to £80,000 We are working with ahousehold fashion brand. They are on the lookout for a Principal Data Scientist to join its growing Data & Analytics team. With a presence across a thriving eCommerce platform … mobile app, and 300+ retail stores, this is your chance to join an exciting team. As Principal Data Scientist, you’ll lead the data science function, supporting customer understanding, marketing effectiveness, and personalisation. From optimising campaign performance to driving loyalty and segmentation strategies, you’ll help put … data at the heart of every customer interaction. The Role: Lead, mentor, and grow a team of Data Scientists and Analysts focused on customer and marketing use cases. Build and deploy models that support personalisation, customer segmentation, lifetime value prediction, churn prevention, and marketing attribution. Partner closely with More ❯
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Senior Data Scientist

London, England, United Kingdom
Hybrid / WFH Options
Pear Bio
exposure, and identifies effective treatments for that patient. This technology acts as a translational model and clinical development tool for drug discovery. Our patient data, biobank and biomarker technology have led to the creation of an in-house drug discovery pipeline for cancers with high unmet need. We are … a VC-backed start-up based in London, England and Natick, Massachusetts. To grow our company, we’re looking for a Senior Data Scientist with experience in biotech to join our early-stage team. Will you be the one? Job Description This role offers an opportunity to … apply your expertise in data science, machine learning, and statistical modeling to oncology-focused target identification and drug discovery . You will work with diverse datasets, from different sources including genomics, transcriptomics, proteomics, and high-content imaging data, to support the identification of cancer targets and the development More ❯
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Senior Data Scientist

london, south east england, United Kingdom
Hybrid / WFH Options
Pear Bio
exposure, and identifies effective treatments for that patient. This technology acts as a translational model and clinical development tool for drug discovery. Our patient data, biobank and biomarker technology have led to the creation of an in-house drug discovery pipeline for cancers with high unmet need. We are … a VC-backed start-up based in London, England and Natick, Massachusetts. To grow our company, we’re looking for a Senior Data Scientist with experience in biotech to join our early-stage team. Will you be the one? Job Description This role offers an opportunity to … apply your expertise in data science, machine learning, and statistical modeling to oncology-focused target identification and drug discovery . You will work with diverse datasets, from different sources including genomics, transcriptomics, proteomics, and high-content imaging data, to support the identification of cancer targets and the development More ❯
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Senior Data Scientist - Trading

London, United Kingdom
Hybrid / WFH Options
Field Energy
Senior Data Scientist - Trading Department: Technology Employment Type: Permanent - Full Time Location: UK - London Reporting To: Beth Rice Compensation: £110,000 - £130,000/year Description At Field, we have spent the last few years developing our automated energy trading platform, Gaia. We deployed Gaia to trade … hats, and you will have a tangible impact shaping how we increase revenue. You will be working with people across the organisation: platform engineers, data scientists, the executive team, commercial operations, and more. This is an operational role and the candidate will need to be flexible regarding their working … real-time, mission-critical software Develop the ability to inform and/or override algorithmic decisions in volatile market conditions Present trading results to senior management Identify gaps in our trading strategy from backtests and competitor analysis, and improve and iterate on our trading strategies Drive the development of More ❯
Employment Type: Permanent
Salary: GBP Annual
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Senior Data Scientist

London, United Kingdom
Hybrid / WFH Options
Arthur J. Gallagher & Co
providing them the confidence to make strategic decisions that transform industries. As a team member, you'll be at the forefront of innovation, translating data into impactful solutions and taking the reins of your career like never before. We believe that every candidate brings something special to the table … even if you feel that you're close but not an exact match, we encourage you to apply. Overview We are seeking a talented Senior Data Scientist to join our Data Science team at Gallagher Re and help lead our Data Science work. You will … be joining a newly established Data Science & AI Centre of Excellence within our Digital Products team. We are looking for expertise in Python and Azure Machine Learning to develop data-driven solutions to address business challenges and create innovative digital products. The role is commercially focused and you More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Data Scientist

London Area, United Kingdom
Harnham
SENIOR DATA SCIENTIST UP TO £80,000 LONDON This is an exciting opportunity to take ownership of the pricing models ensuring this business are offering the most competitive prices in the market. THE COMPANY This company are a leader in the home insurance industry. They are an … incredibly fast-paced data driven insur-tech using innovative techniques. They have hundreds of thousands of customers and are rapidly growing. THE ROLE You will be doing the following daily: Take ownership of pricing models, including conversion rate and market dynamics. Evaluate how pricing changes influence customer demand across … improve market positioning. Play a key role in ensuring offerings are not only visible but also highly competitive on key aggregator platforms. Maintain a data-driven approach to optimise presence and performance. YOUR SKILLS AND EXPERIENCE Previous pricing model development (conversion rate models/GBMs/GLMs) Experience in More ❯
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Senior Data Scientist

London, United Kingdom
Remitly, Inc
with purpose and connection with our customers while having a positive impact on millions of people around the globe. About the Role: As a Senior Data Scientist you will be part of Remitly's Global Analytics organisation and you will report to our manager of Data Science. The Data Science team supports forecasting, data models, and experimentation across several different partner teams, including Marketing, Pricing, Customer Success, and Product. In this role, you will apply your expertise in forecasting, data modelling, measurement, and experimentation, with a primary focus on trend forecasting and … marketing analytics (e.g., media mix modelling, geo testing). You will have the opportunity to shape the team's data science roadmap and tackle some of the most impactful challenges at Remitly. This is a hybrid role (2-3 days a week) based in our London office. You Will More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Data Scientist - Marketing

London Area, United Kingdom
Harnham
PRINCIPAL DATA SCIENTIST – HYBRID (London, 3 days a week) £100,000–£125,000+ based on experience THE COMPANY Join a high-impact data science team at a global marketing and customer experience company. As a Principal Data Scientist, you’ll lead the development of end … get stuck into code. You’ll partner closely with engineers, strategists, and creatives in a genuinely cross-functional setting. THE ROLE As a Principal Data Scientist, you will: Lead the design, implementation, and deployment of advanced ML solutions across the full stack — from data engineering and modelling … steer high-impact projects from ideation to delivery, aligning technical strategy with business objectives Serve as a technical mentor to mid-level and junior data scientists Represent the data science function in client conversations and cross-functional planning Maintain a high bar for clean, testable code and scalable More ❯
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Senior Data Scientist
London
10th Percentile
£46,500
25th Percentile
£73,750
Median
£85,000
75th Percentile
£96,250
90th Percentile
£106,250