1 to 25 of 127 Permanent Data Science Jobs in the City of London

its project funding, and the necessity to secure your next full-time or promotional opportunity with Mars before December 31, 2026 . This role is a key member of data science component of the Manufacturing D&A team. We are searching for a highly experienced data scientist to help deliver Pet Nutrition's digital transformation objectives. The … within a multi-disciplinary D&A team and focuses on managing and delivering projects, identifying and implementing strategic opportunities and working with the business to extract value from their data assets. This will demand rapidly learning about the data we have, the business needs/challenges and applying expertise in analytics and data science delivery to … turn this into great insight that is ultimately actionable and leads to valuable outcomes for the business. What are we looking for? Degree or equivalent in Data Science, Mathematics, Statistics, or other numerate discipline. Nice to have - Master's/PhD with computing, scientific, statistical, or mathematical component. 10+ years' experience working as a Data Scientist. 5+ More ❯

Mid-Level Data Scientist Up to 65,000 West London (Hybrid, 3 days onsite per week) Company: This data-first property tech startup empowers businesses to make smarter decisions by turning complex data into clear, actionable insights. Leveraging rich UK property data and advanced data science, they provide deep customer insights, predict behaviour, and … enable hyper-targeted marketing. Responsibilities: Collaborate to develop data science solutions and outputs supporting the organisation’s product offerings Recognise opportunities to use data science or ML to solve product problems Develop data pipelines to support data science experimentation Show an understanding of the organisation and the benefits of data science Develop, deploy and support science models in live production products Confidently talk about the benefits of data science approaches to existing and potential customers Requirements: 2/3 years in data science or a related field, or a Master’s degree. Proficient in Python (core skill), with strong experience in SQL, AWS, and CI More ❯

Chief Data Scientist Up to £120,000 West London (Hybrid, 3 days onsite per week) Company: This data-first property tech startup empowers businesses to make smarter decisions by turning complex data into clear, actionable insights. Leveraging rich UK property data and advanced data science, they provide deep customer insights, predict behaviour, and enable … hyper-targeted marketing. Responsibilities: Lead the organization’s data science initiatives, developing advanced analytics strategies, and driving innovation through AI and machine learning Develop and implement the company’s data science strategy to drive business growth. Stay ahead of emerging trends in data science, AI, and big data technologies. Challenge the status quo … and always look for ways to improve data science Oversee the development, deployment, and optimisation of AI/ML models. Partner with business leaders to identify key challenges and opportunities. Requirements: PhD or Master’s degree in Data Science, Computer Science, Statistics, Mathematics, or a related field Proven leadership experience in a data science More ❯

Chief Data Scientist London – Hybrid (3 days a week in Chelsea) Up to £120,000 + Benefits The Opportunity We are excited to be working with a long standing partner of ours on a new Chief Data Scientist position. You will be joining an organisation where data drives strategic decision-making within the property space. You’ll … lead the data science vision while remaining hands-on with AI and machine learning initiatives that have real business impact. This is ideal for someone who enjoys blending leadership, strategy, and technical depth. This would be a great opportunity for someone looking to take a step up in their career - I.e. Someone at the Principal, Manager, Head of … Data Science level. Key Responsibilities Define and deliver the data science strategy to unlock business value. Identify AI/ML opportunities and develop impactful, scalable solutions. Lead and mentor a cross-functional team of scientists and engineers. Stay hands-on where needed, guiding model design, code reviews, and architecture decisions. Promote ethical, responsible AI and ensure More ❯

Junior Data Scientist – Master’s Graduate Role Location: London (Hybrid) Salary: £35,000 – £45,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior Data Scientist to join a fast-growing, forward-thinking team working at the forefront of data science, machine learning, and applied AI. … to apply their academic expertise to solving real-world challenges—whether it’s predicting customer behaviour, optimising operations, or identifying patterns in complex datasets. You’ll collaborate with experienced data scientists, machine learning engineers, and subject-matter experts to design, develop, and deploy models that deliver meaningful impact across a variety of industries. What You’ll Be Doing: Designing … and building machine learning models to solve real-world problems Carrying out full data science workflows: from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and AI techniques to generate actionable insights Contributing to experimental research, model prototyping, and A/B testing Presenting findings clearly to both technical and non-technical stakeholders Collaborating More ❯

The Business: This is not just another data consultancy—we're a team of curious minds using AI and statistical modelling to help organisations solve real-world problems and make smarter, faster decisions. Whether it’s uncovering insights from vast datasets or building predictive tools to shape future strategies, we believe data science should make a difference … a significant one. With clients spanning sectors from finance to media, we work on projects that matter. We’re growing fast and now looking for a Data Science Graduate to join us on our journey. The Job: We are hiring a Data Science Graduate to join our growing team and support the increasing demand for our … analytical services. As a Data Science Graduate you’ll: Support the delivery of quantitative research and statistical analysis projects Learn and apply techniques such as conjoint analysis , MaxDiff , segmentation , and key drivers analysis Work alongside experienced data scientists and gradually take on more responsibility Deliver smaller projects independently and contribute to larger projects as part of a More ❯

Data Science Manager London (2–3 days per week) Up to £120,000 A leading e-commerce brand in the circular economy space is seeking a hands-on Data Science Manager to scale its pricing and optimisation capabilities across UK and US markets. The business is committed to sustainability and innovation, operating across direct-to-consumer … re on a mission to reinvent how pre-owned products are bought and sold. This is a role, balancing individual contribution with team leadership. What You’ll Do Lead data science projects focused on pricing optimisation and revenue management. Manage and mentor a small international team of data scientists (UK and US based). Build statistical and … outcomes. Develop and run rigorous experimentation frameworks (A/B, MAB, causal inference). Work cross-functionally with engineering, product, and commercial teams to deliver real-world impact. Lead data strategy for pricing across inbound and outbound flows. What We’re Looking For Proven data science experience, ideally focused on pricing and revenue optimisation. Proven leadership in More ❯

Senior Data & Analytics Consultant - Tech For Good - Up to £70k + Bonus Location: London - Hybrid Use Data to Drive Social Impact and Transform Public Services This scaling tech for good are on a mission to reduce societal inequality by helping local authorities use data more effectively. Their AI-driven platform empowers frontline workers with the insights they … to prevent complex issues like homelessness or children being taken into care - before they happen. Looking to grow by 30% this year they are looking to hire multiple Senior Data & Analytics Consultants to join the team. The Role As a Senior Data & Analytics Consultant, you will be a key member of the Data & Analytics Consulting team, responsible … for the technical configuration and deployment of the platform. Working directly with clients to deliver seamless software implementation, data extraction, data engineering, data science, product configuration, and data visualisation. You will independently manage all technical aspects of client deployments and support clients throughout the process. Collaboration is essential - you will work closely with Business Consultants More ❯

Senior Marketing Data Scientist Up to £75,000 Hybrid - London A great opportunity to join a leading customer data science company as a Senior Marketing Data Scientist THE BUSINESS The business is a global leader in customer data science, empowering businesses to compete and thrive in the modern-data driven economy always putting … the customer first. Enabling businesses to grow and diversify by utilising and understanding data and ensuring the customer is put first. Joining the business as a Senior Marketing Data Scientist, you'd be helping to scope out business problems, creating data science solutions for these problems and then delivering insights and recommendations of the back of … it. THE ROLE AND RESPONSIBILITIES Understanding business problems, creating data science solutions and delivering insights and recommendations Working directly with clients and helping the team to give recommendations and answer questions Working on projects across clustering, propensity modelling, regression and more Building data visualisations and dashboards for clients YOUR SKILLS AND EXPERIENCE Strong technical experience in SQL More ❯

collaborate with top talent and work on exciting campaigns for prestigious brands such as the Financial Times, The Independent or Experian. This is a pivotal role for an experienced data scientist or marketing analyst ready to drive real-world business outcomes across growth marketing, CRM, media optimisation, and beyond. Get a better feel for who we are on our … website: https://indigital.marketing/Who we’re looking for – at a glance: Expert in marketing-focused data science, comfortable developing LTV, attribution, and propensity models Hands-on experience building robust data pipelines, BI dashboards, and clean reporting layers Passionate about connecting the dots between data, customer behaviour, and strategic decisions Skilled communicator with experience … looking for someone with deep skills in some areas, and interest in learning others. The full scope of the role will flex depending on your strengths. Key responsibilities: Modelling & Data Science: Develop LTV, propensity and attribution models to support growth, customer experience, and paid media Build MMM and bespoke models in response to client needs Ensure outputs are More ❯

DATA SCIENTIST LONDON (HYBRID - 3 Days Per Week) UP to £60,000 COMPANY: This company is a global leader in Customer Data Science, who work across customer analytics and loyalty working as a consultancy services giving you’re the opportunity to work with market leading business & retailers! They are looking for a Data Scientist to join … their Data Science team! RESPONSIBILITIES: Work on designing and building advanced ML models - including propensity and clustering Apply machine learning, statistical, and econometric methods to a range of other customer data science problems Working closely within a team to understand, troubleshoot, and maintain machine learning models Maintain and enhance existing ML models, ensuring all models are … monitored. Stay updated with the latest developments in ML/AI, and related fields to keep the company at the forefront of technological advancements REQUIREMENTS: PhD Degree in Computer Science, Artificial Intelligence, Mathematics, Statistics or related fields. Proven experience in clustering and propensity Strong coding skills in Python, R or MATLAB Excellent communication skills Knowledge of databases and SQL More ❯

Principal Data Scientist London, UK (Hybrid) Up to £135,000 About the Company We’re working with a next-generation private markets firm that is redefining value creation by combining deep industry expertise with advanced AI and data science. This is a unique opportunity to join a company that partners directly with portfolio companies to drive measurable operational … and financial performance—powered by data. They’re now hiring a Principal Data Scientist to lead high-impact analytics and machine learning projects across a wide variety of real-world domains - from manufacturing to customer experience and commercial optimisation. Working closely with a multidisciplinary team, you’ll have the autonomy to shape technical approaches while staying closely tied to … commercial outcomes. This role is ideal for someone who enjoys solving complex, ambiguous business problems using data science, and wants to work at the intersection of technology, investment, and strategy. Key Responsibilities Translate complex business problems into measurable data science solutions that deliver commercial value Lead the design, development, and deployment of predictive and optimisation models More ❯

Data Science Manager Up to £120,000 London (Remote/Hybrid) Company: Join a global marketplace redefining how pre-owned goods are collected, reused, and redistributed. Founded in the UK, they’ve built a scalable, tech-enabled platform that intercepts millions of unwanted items every year, transforming them from landfill-bound to re-loved by new owners. Responsibilities … Lead and deliver scalable statistical models and analyses that drive business decisions Own end-to-end delivery of data science projects, from identifying and integrating data sources to experimentation, model deployment, and pricing strategy optimization Define and implement best practices in modelling, automation, and process improvements, ensuring the right tools and approaches are used for each problem. … to both technical and non-technical audiences, including senior executives, with a strong focus on commercial impact. Collaborate cross-functionally with product managers, engineers, and other stakeholders to align data science work with broader strategic goals under a “One Team” approach. Requirements: MSc or PhD Degree in Computer Science, Artificial Intelligence, Mathematics, Statistics or related fields. Strong More ❯

Lead Data Scientist London – Hybrid (3 days a week) £90,000 - £115,000 + 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. This is still a largely hands on role, with around 20% team leadership. What You’ll Do Oversee data science projects, guide junior team members, and drive innovation. Build predictive models for campaign optimisation, customer segmentation, and price elasticity. Design and implement AI-powered solutions to solve complex marketing challenges. Use machine learning … and improve business outcomes. Work with cross-functional teams and present insights to technical and non-technical stakeholders. What We’re Looking For A strong academic background in Computer Science, Mathematics, Physics, or a related field. Proven experience in machine learning applications such as recommendations, segmentation, forecasting, and marketing spend optimisation. Proficiency in Python, SQL, and Git, with hands More ❯

Head of Data Science - Credit Risk/Lending Up to £130,000 + Bonus London (2/3 days onsite) Company: A long term client of ours, operating within the Credit/Lending space is looking to bring in a new Head of Data Science. Focused on Credit Cards and Loans, the company uses a digital-first … platform and smart analytics to assess affordability fairly and lend responsibly. Backed by a trusted brand, it’s making credit clear, accessible, and ethical. Responsibilities: Lead a Data Science team to build and embed top credit models supporting growth and customer outcomes. Develop and deploy segmented credit models for unsecured consumer lending. Improve data and analytics by … identifying opportunities and encouraging rapid testing. Work with Analytics to optimise portfolio value through data and modelling adjustments. Communicate insights to stakeholders, monitor model performance, and collaborate across teams and external partners. Requirements: MSc or PhD Degree in Computer Science, Artificial Intelligence, Mathematics, Statistics or related fields. Experience working with models in the Credit Risk/Lending space More ❯

Data Scientist Hybrid – London (3 days a week) Up to £75,000 + Pension + Share Scheme About the Role We’re working with a professional services firm undergoing a major data transformation, now looking to bring on board their first in-house Data Scientist . Reporting directly into the CFO, you’ll take the lead on … developing and managing the firm’s data infrastructure, starting with the continued build-out and integration of their data lake. You’ll work on high-impact reporting and analytics projects, and long-term, deliver commercially focused data science solutions such as price optimisation and revenue forecasting. This is a hands-on role in a people-first … business, ideal for someone eager to take ownership, collaborate cross-functionally, and uncover opportunities to use data more effectively across the organisation. Key Responsibilities Build and manage data pipelines and infrastructure, including a developing data lake Support reporting projects and ongoing Power BI development Deliver commercial data science solutions (e.g., forecasting, optimisation) Integrate data More ❯

of strategic growth and transformation. With a strong track record of success and ambitious plans for the future, they are building a new generation of leaders to drive their Data & AI capabilities, particularly within the UK market. This is an exceptional opportunity for a dynamic and commercially astute individual to blend deep technical expertise with a sharp business mind … shaping how organisations leverage data and artificial intelligence (AI) to achieve competitive advantage. The Role: As a Data & AI Transformation Leader, you will play a critical role in bridging the gap between cutting-edge technology and tangible business value. You will be instrumental in identifying, developing, and delivering high-impact Data & AI solutions for our clients across … understanding, client engagement skills, and commercial drive. Key Responsibilities: Business Translation & Value Realisation: Act as a key interface between business stakeholders and technical teams, translating complex business challenges into Data & AI opportunities and articulating the clear ROI of proposed solutions. Client Engagement & Development: Lead client engagements, build strong relationships, identify new business opportunities, and contribute to the growth of More ❯

Lead/Principal Data Scientist London – Hybrid (3 days a week) £90,000 - £115,000 + 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. This is still a largely hands on role, with around 20% team leadership. What You’ll Do Oversee data science projects, guide junior team members, and drive innovation. Build predictive models for campaign optimisation, customer segmentation, and price elasticity. Design and implement AI-powered solutions to solve complex marketing challenges. Use … and improve business outcomes. Work with cross-functional teams and present insights to technical and non-technical stakeholders. What We’re Looking For A strong academic background in Computer Science, Mathematics, Physics, or a related field. Proven experience in machine learning applications such as recommendations, segmentation, forecasting, and marketing spend optimisation. Proficiency in Python, SQL, and Git, with hands More ❯

An exciting opportunity has arisen to join a well established organisation in the insurance space, in a challenging Data Engineer role. There will be a lot of stakeholder engagement, so the ideal candidate will have both hands on and business facing experience. Preferably in the insurance sector. Key responsibilities: Design Data Lake and Data Warehouse solutions. Design … Data Models using Data Vault and Dimensional modelling methods Implement automated, reusable and efficient batch data pipelines and streaming data pipelines Work closely with Governance and Quality teams to ensure metadata, catalogue, lineage and known solutions to data issues are optimised Work closely with other data specialists and technicians in the organisation, such as … Actuarial and Finance, to help with their data presentation requirements and help deliver data for visualisation solutions, such as Power BI Key skills required: Expertise in Python, Java, Scala, or other programming languages used to build data pipelines, implement data transformations, and automate data workflows. Strong knowledge of Power BI Strong SQL experience. Familiarity with More ❯

Role : Junior Data Scientist Location : London, UK (Hybrid) Salary : £35k-£45k (DOE) Are you passionate about data and finance? Join a revolutionary financial services company in the heart of London, where you'll help over 200,000 businesses across the UK and Europe navigate challenges and boost profitability. My client is looking for a Junior Data Scientist … eager to apply their analytical and modeling skills to provide insight and drive impactful business decisions. Your Responsibilities: Analyse complex datasets: Work with large volumes of financial data to identify trends, patterns, and insights that drive strategic decisions. Support predictive modeling: Collaborate on the development of machine learning models to forecast financial outcomes and optimise business processes. Develop data … solutions: Create algorithms and tools that automate and enhance decision-making across the company. Collaborate with cross-functional teams: Work closely with finance, product, and technology teams to align data science initiatives with business goals. Visualise data insights: Build and maintain interactive dashboards and visualisations that provide clear, actionable insights for stakeholders. Requirements : Bachelor’s degree in More ❯

Senior Data Scientist Up to 70,000 London (Hybrid, 2 days onsite per week) Company: Join a performance marketing and data consultancy that partners with high-growth businesses to scale smarter through data-driven strategy and execution. They combine technical expertise with deep commercial insight and specialise in Paid Search (PPC), Conversion Rate Optimisation (CRO), and Data Engineering. Responsibilities: Own and shape the data science function, setting standards for excellence in machine learning, optimisation, predictive analytics, and experimentation. Lead high-impact projects across areas like customer segmentation, CLV modelling, bidding optimisation, and advanced measurement techniques. Work closely with marketing specialists, analysts, and engineers to deliver end-to-end performance marketing solutions. Apply data science expertise to solve real-world digital marketing challenges, driving smarter budget allocation and measurable outcomes for clients. Requirements: Master’s degree in Data Science, Computer Science, Statistics, Mathematics, or a related field Proficient in Python (core skill), with strong experience in SQL Proven track record of applying analytics in digital media, technology, or consumer More ❯

Kick-start your career in Data Science with real-world impact. We’re on the lookout for a Graduate Data Scientist to join our dynamic London-based team and contribute to data-driven solutions that make a difference from day one! In this role, you’ll work alongside experienced data scientists, engineers, and business stakeholders … every day. Whether you're a recent graduate or bringing some early experience, this is your chance to learn fast, think big, and grow with a company that values data at its core. What’s in it for you? 📊 Meaningful Work : Work on real data challenges across forecasting, customer analytics, risk modelling, and business intelligence. 📈 Learning & Development : Structured … support including mentoring, online courses, internal workshops, and the chance to explore the latest tools in data science. 💡 Culture of Innovation : Be part of a collaborative and diverse environment where experimentation is encouraged and ideas are celebrated. 💰 Competitive Package : £35,000–£40,000 starting salary with clear progression pathways and performance-based bonuses. We’re looking for someone who More ❯

Data Scientist - Property London – Hybrid Up to £65,000 About the Role A leading London-based data and technology company in the property space is looking for a Data Scientist to join their growing product-focused team. This is an exciting opportunity to work as a full stack/end to end Data Scientist, driving real … business impact. You’ll collaborate closely with stakeholders to build and deploy ML models and data-driven tools that are core to the company’s commercial offerings. Key Responsibilities Identify and scope opportunities where machine learning and data science can enhance product offerings. Design and run experiments to test hypotheses and support product development. Develop robust data pipelines to support science experimentation and production. Deploy, maintain, and monitor predictive models in live environments. Communicate findings and technical concepts clearly to both technical and non-technical audiences. Contribute to agile delivery workflows and cross-functional collaboration. What We’re Looking For Solid understanding of core data science techniques, including statistical analysis and machine learning. More ❯

Senior Data Scientist London – Hybrid Up to £70,000 About the Role I’m currently partnered with a global leader in data, insights, and consulting who are looking to bring on a Senior Data Scientist to join their highly respected data team. This is a high-impact opportunity focused on yield optimisation – using data science to drive better consistency, forecast accuracy, and operational efficiency. You’ll work closely with both commercial and technical stakeholders to develop data-driven strategies that improve trading outcomes at scale. The team is well-established and growing, with excellent visibility across the business and a genuine appetite for data innovation. Key Responsibilities Optimise existing yield and matching … models for better consistency and forecasting performance. Use statistical analysis to uncover trends in historical trading data and recommend actionable improvements. Build and deploy scalable data science solutions that drive measurable business impact. Collaborate with developers and commercial leads to implement models into production systems. Present insights in a clear, impactful way to senior non-technical stakeholders. More ❯

Lead Data Scientist Hybrid - London 1 day per week Up to £85,000 About the Role We are working with a high-growth performance marketing and technology company who are looking for a new Lead Data Scientist to join the team. You'll be working at the intersection of data, technology, and marketing, you’ll lead the … delivery of cutting-edge machine learning, optimisation, and analytics solutions that drive measurable business outcomes. Reporting directly to the Director of Data, you’ll take ownership of projects across areas such as customer lifetime value, Propensity, and experimentation, whilst also acting as a data lead for major clients. Initially hands-on, this role will evolve into a more … strategic leadership position, with team management responsibilities (starting with three Data Scientists, growing to five within a year) expected within the first six months. Key Responsibilities Lead and deliver data science solutions across predictive modelling, optimisation, and experimentation. Act as a strategic data partner to key clients, owning technical delivery and ensuring high-quality results. Design More ❯