26 to 50 of 57 Senior Data Scientist Jobs in the City of London

Senior Data Scientist London - hybrid Competitive Salary This dynamic and fast-paced global investment firm are looking for a Senior Data Scientist to join their existing team of experts, reporting into their Head of Data Science. This person will work closely with senior stakeholders and other team members focusing on due diligence. … THE ROLE As a Senior Data Scientist for the business you will: • Scope data science projects within the due diligence and value creation teams • Oversee projects, working with more junior data scientists in the team to use technical expertise to solve business problems • Build and deploy machine learning models using Python and cloud technologies SKILLS … AND EXPERIENCE • Master’s Degree in a relevant subject • Several years of commercial experience in Data Science, specifically within the PE or Strategy Consulting industries • Experience deploying models into production • Good communication skills • Tech: Python, SQL, Cloud-tech SALARY AND BENEFITS • Competitive salary • Hybrid working – London office x4 days per week • Performance based Bonus and Benefits package HOW TO More ❯

Social network you want to login/join with: Senior Marketing Data Scientist, london (city of london) col-narrow-left Client: Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: Job Title: Senior Marketing Data Scientist Salary: Up to £75,000 Location: West London (Hybrid) The Company Join a global leader in customer data science that helps businesses unlock the power of data to drive growth, innovation, and customer-centric decision making. With a strong focus on actionable insights, this company supports a wide range of clients in transforming their marketing … strategies through advanced analytics and data science. The Role As a Senior Marketing Data Scientist , you’ll play a critical role in solving complex business challenges through data. From shaping the problem to delivering data-driven solutions and insights, you'll collaborate closely with clients and internal stakeholders to drive measurable impact. Projects span a More ❯

Senior Data Scientist Hybrid - London 1 day per week Up to £80,000 About the Role We are working with a high-growth performance marketing and technology company who are looking for a new Senior 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 high-impact projects across areas such as customer lifetime value, predictive modelling, bidding optimisation, 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 More ❯

Senior Data Scientist Location: London Salary: Up to £80,000 About the Company Our client is one of the UK’s fastest-growing fintech companies, revolutionizing consumer finance by making it faster, cheaper, and more transparent. Backed by leading investors and loved by customers, they’ve rebuilt key financial products like loans, credit cards, and car finance … the ground up. With a strong foothold in the UK and US markets, they are challenging big banks and outdated systems with cutting-edge technology. The Role As a Senior Data Scientist, you’ll be at the heart of the business, developing state-of-the-art credit risk models to underpin loan and credit card products. You … serves deployments and monitoring, without reliance on a separate ML engineering team. Key Responsibilities Develop proprietary risk models to improve underwriting quality and enhance decision-making. Understand the products, data, and strategies to effectively inform risk modelling. Translate business problems into data-driven solutions and clearly communicate insights. Collaborate with stakeholders and contribute to the team’s growing More ❯

A fast-growing, fintech is seeking a Senior Data Scientist to join their expanding team as they embark on an exciting new project. Backed by leading investors, this business is tackling meaningful, real-world challenges through data-driven decision-making. Its collaborative, fast-paced environment offers the chance to tackle complex commercial, product, and data … strategy. Contributing to the company’s customer-first attitude, you will work as part of a supportive, ambitious team dedicated to creating a positive impact worldwide. The role: Use data insights to define and evolve pricing approaches Partner with stakeholders to run and analyse effective pricing experiments Collaborate with product, marketing, finance and ops teams Directly shape pricing infrastructure … monetisation analytics at a top-tier company Strong SQL and Python skills with confidence working with large-scale datasets A customer-centric mindset and a passion for problem-solving Data science foundation with experience in modelling, ML experimentation, or advance analytics techniques Experience in a fast-paced start-up or scale-up environment (bonus) Background in payments, FX or More ❯

Social network you want to login/join with: Principal Data Scientist, London (City of London) Client: Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 Job Description: 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 Drive machine learning projects across recommenders, segmentation, forecasting, and marketing spend optimization Work on advanced projects involving GenAI and NLP Collaborate closely with an Engineering team while remaining … full stack in your projects Report to the Head of Data Science Drive commercial value in partnership with senior stakeholders Opportunity to upskill and mentor within a strong team of 8 Skills And Experience Strong fundamental knowledge in Data Science and Statistics Experience with recommenders, forecasting, pricing, churn, marketing, etc. — a generalist role! Exposure to GenAI, NLP More ❯

LEAD DATA SCIENTIST - Insurance HYBRID - London £80,000 - £100,000 We are working with a household name in the UK insurance space on the search for a Lead Data Scientist. They are looking for someone to help spearhead their Machine Learning Initiatives. In this role, you will have the opportunity to be either a technical lead, or … implementation of ML/AI models Develop and deploy Large Language Models (LLMs) and/or internal chatbot systems. Collaborate with cross-functional teams to identify opportunities for leveraging data-driven insights. Mentor and develop a team of data scientists, fostering a collaborative and innovative work environment. Stay ahead of industry trends and emerging data technologies, bringing … fresh perspectives and solutions to the organization. REQUIREMENTS: 4+ years in data science, with a strong preference for experience in the insurance or financial services sector. Experience working with LLMs and NLP frameworks such as Hugging Face or OpenAI is a strong advantage. Proven experience managing and mentoring a team of data professionals, with a commitment to fostering More ❯

Social network you want to login/join with: Lead Data Scientist, london (city of london) col-narrow-left Client: Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: Lead Data Scientist Up to … 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 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 high-impact projects across areas such as customer lifetime value, predictive modelling, bidding optimisation, 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 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 machine learning … in tools like Jupyter notebooks, Pandas, and PyTorch. Expertise in cloud platforms (AWS, Databricks, Snowflake) and containerisation tools (Docker, Kubernetes). Strong leadership skills with experience mentoring and managing data science teams. Deep knowledge of media measurement techniques, such as media mix modelling. Experience with advanced AI techniques, including NLP, GenAI, and CausalAI. Familiarity with MLFlow, API design (FastAPI More ❯

Social network you want to login/join with: Senior Data Scientist (Recommender Systems), london (city of london) col-narrow-left Client: Xcede Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: Senior Data Scientist x2 days a week in office Xcede is thrilled to be partnering with one of the world's leading tech companies as they expand their Data Science team. With millions of customers using their products daily, data is at the heart of everything they do. The Head of Data, a highly skilled Data Scientist with a track record of building exceptional teams, is now focused on assembling another world-class group of experts. As part of this expansion, the company is looking to onboard a Senior Data Scientist with strong commercial experience in building Recommender Systems. Experience in designing and deploying Graph Models or Graph Neural Networks would More ❯

Data Scientist/Senior Data Scientist - Credit Risk London – Hybrid Up to £80,000 + Benefits Our client is a high-growth fintech revolutionising consumer finance through cutting-edge technology and data science. Backed by top investors and consistently rated as a market leader, they are transforming the way loans, credit cards, and financial … products are delivered - offering customers faster, more transparent, and seamless experiences. As a Senior Data Scientist, you’ll play a pivotal role in developing proprietary risk models that drive strategic decision-making and product innovation. Working within a multidisciplinary team, you’ll apply advanced machine learning techniques to improve underwriting quality and enhance financial product offerings. Key … Responsibilities Build and refine credit risk models using state-of-the-art ML techniques. Translate business challenges into data-driven solutions. Deploy and monitor models autonomously, without reliance on a separate ML engineering team. Clearly communicate insights and recommendations to stakeholders. What We’re Looking For Strong Python experience, with knowledge of ML techniques. Familiarity with non linear modelling. More ❯

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 … cases. Build and deploy models that support personalisation, customer segmentation, lifetime value prediction, churn prevention, and marketing attribution. Partner closely with CRM, Digital Marketing, and eCommerce teams to deliver data-driven improvements across the customer journey. Leverage advanced analytics to understand customer behaviour and optimise marketing spend and engagement. Ensure data quality and scalable infrastructure for marketing and More ❯

Lead Data Scientist 📍 London (Hybrid – 3 days onsite) | 💼 Full-time | 💰 up to £110K + Equity About Us My client is a fast-moving finance start up building smart, data-driven tools to reshape how people manage money. Backed by top investors, we’re growing fast—and we need a data leader to help drive that growth. … What You’ll Do Build and deploy machine learning models that power our core products Lead and grow the data science team Collaborate across teams to turn insights into action Set best practices for experimentation and model governance What You’ll Bring 5–10 years in data science, including leadership experience Bachelor’s in Computer Science or related More ❯

Our Principal Data Scientists are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients. We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership and a clear vision of lasting and effective change in a public sector environment. … We expect our Principal Data Scientist to bring all of that and enthuse our delivery teams with the same passion. The successful candidate will lead the Data Science aspects of our client engagements while overseeing the wider delivery within the account (or industry) when appropriate. They will coach and develop team members on their engagements providing them … with detailed performance feedback, as well as monitoring overall delivery to achieve the highest levels of client satisfaction. In addition, our Principal Data Scientists are responsible for engaging with our clients to understand their challenges and build lasting, trusted advisor relationships. They will also oversee multiple, concurrent client deliveries to help ensure quality and drive the sharing of best More ❯

Senior Data Scientist UK – Hybrid Up to £80,000 The Company A leading UK telecoms company is expanding its Product and Marketing Data Science teams and is looking for a Senior Data Scientist to help drive data-driven decision-making. This is a great opportunity to work on high-impact projects that … directly influence customer engagement, marketing effectiveness, and business growth. The Role As a Senior Data Scientist, you will: Develop and deploy predictive models to enhance customer targeting and engagement. Work on churn prediction to help improve customer retention strategies. Apply customer segmentation techniques to optimise marketing campaigns. Build marketing attribution models to measure and improve campaign performance. … Collaborate with stakeholders across the business to translate insights into actionable strategies. Your Skills & Experience We’re looking for a Data Scientist with: Strong experience in predictive modeling, customer analytics, or marketing data science. Proficiency in Python (Pandas, NumPy, Sci-Kit Learn) or similar tools. A proven track record of delivering impactful, data-driven solutions. Strong More ❯

Social network you want to login/join with: Senior Data Scientist (Marketing Mix Modelling/Python/Pymc) - £688 (Inside IR35) - London, london (city of london) col-narrow-left Client: Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 … col-wide Job Description: Leading pharmaceutical client now requires a Senior Data Scientist to drive marketing effectiveness via marketing mix modelling and other models. This role will oversee data collection, extraction, manipulation, analysis and validation ensuring data is ready for modelling. You will work closely with the Data Science team to build base models … Regression based models in an MMM context. Strong understanding of statistical modelling/Machine Learning techniques. Experience with probabilistic programming and Bayesian methods Good working knowledge of cloud-based data science frameworks. This is a 6 month contract position which provides a daily rate of £688 (Inside IR35). In terms of working structure, this role is hybrid with More ❯

Leading pharmaceutical client now requires a Senior Data Scientist to drive marketing effectiveness via marketing mix modelling and other models. This role will oversee data collection, extraction, manipulation, analysis and validation ensuring data is ready for modelling. You will work closely with the Data Science team to build base models according to project specifications … Regression based models in an MMM context. Strong understanding of statistical modelling/Machine Learning techniques. Experience with probabilistic programming and Bayesian methods Good working knowledge of cloud-based data science frameworks. This is a 6 month contract position which provides a daily rate of £688 (Inside IR35). In terms of working structure, this role is hybrid with More ❯

Senior Data Scientist – Econometrics & Advanced Attribution Senior Data Scientist – Econometrics & Advanced Attribution This range is provided by Datatech Analytics. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Datatech Analytics Managing Consultant at Datatech Analytics Senior Data Scientist – Econometrics & Advanced Attribution Location: London/Hybrid – UK remote a possible option Type: Full-Time/Permanent Job Reference : J12971 About the Company Our client are a fast-growing Data Science, Machine Learning, and AI Consultancy supporting some of the UK and Europe’s leading private equity firms and high-growth businesses. Their work … spans strategic data science engagements, AI product development, and long-term technology partnerships. As they scale, their ambition is to evolve into the UK’s first data-native investment firm—raising their own fund and co-investing alongside leading private equity partners using advanced analytics and AI to drive differentiated returns. Projects range from bespoke consulting and modelling More ❯

Contract - Senior Data Scientist - Econometrics & Advanced Attribution Initial project commitment: 10 days per month/1 year Location: London/Hybrid - UK remote a possible option Type: Part-time/Contract Day Rate: Outside IR35 Job Reference: J12972 About the Company Our client is a fast-growing Data Science, Machine Learning, and AI Consultancy supporting some … of the UK's and Europe's leading private equity firms and high-growth businesses. Their work includes strategic data science engagements, AI product development, and long-term technology partnerships. As they scale, their ambition is to evolve into the UK's first data-native investment firm—raising their own fund and co-investing alongside leading private equity … returns. Projects range from bespoke consulting and modelling engagements to the development of scalable AI-enabled solutions across marketing, operations, and investment analytics. The Role They are seeking a Senior Data Scientist with deep expertise in econometrics and advanced attribution modelling to lead a flagship client engagement with a prominent education business. This individual will take end More ❯

Senior Data Scientist - Econometrics & Advanced Attribution Location: London/Hybrid - UK remote a possible option Type: Full-Time/Permanent Salary: Negotiable DoE £70,000 - £100,000 plus good bonus Job Reference: J12971 About the Company Our client are a fast-growing Data Science, Machine Learning, and AI Consultancy supporting some of the UK and Europe … s leading private equity firms and high-growth businesses. Their work spans strategic data science engagements, AI product development, and long-term technology partnerships. As they scale, their ambition is to evolve into the UK's first data-native investment firm-raising their own fund and co-investing alongside leading private equity partners using advanced analytics and AI … returns. Projects range from bespoke consulting and modelling engagements to the development of scalable AI-enabled solutions across marketing, operations, and investment analytics. The Role They are seeking a Senior Data Scientist with deep expertise in econometrics and advanced attribution modelling to lead a flagship client engagement with one of the world's most prominent education businesses. More ❯

Senior Data Scientist - Early stage AI driven start-up Salary : Up to £90,000 plus equity package Location : Remote first (ability to travel to London on occasion) Type : Permanent Are you ready to take on a pivotal role in building a cutting-edge AI-driven platform? I'm partnered with an ambitious new venture revolutionising how businesses … leverage data and video technologies, and they are looking for an experienced Senior Data Scientist to join them at a critical stage of growth. This is a unique opportunity to be an early member of the team in a dynamic and fast-paced environment. You’ll work alongside a talented and dedicated leadership team to create … a next-generation data and video platform, integrating AI and machine learning at its core. With no legacy technology to hold them back, they are focused on innovation - leveraging tools like computer vision and LLM's to solve complex challenges and redefine how businesses manage and measure data performance. You’ll be instrumental in shaping the MVP into More ❯

Data Science Lead Location: London Salary: £100,000 About the Company Our client is a leading organisation with a long-standing history of serving the retirement, investment, and protection needs of individuals, families, and businesses. Focused on innovation and customer-centric solutions, they are dedicated to building better futures for their clients, colleagues, and communities. The Role As the … Data Science Lead, you will take charge of a high-performing team of data scientists, shaping and driving the organisation’s data strategy. You’ll deliver cutting-edge solutions such as propensity models, segmentation, LTV predictions, and AI-driven insights, all while fostering a culture of innovation and collaboration. Your work will enable data to become … a key driver of strategic decisions, creating tangible value for both customers and the business. Key Responsibilities Develop and deliver the data science strategy and roadmap, prioritising impactful use cases. Collaborate with key stakeholders to embed data-driven decision-making across functions. Lead and mentor a team of data scientists, ensuring consistent innovation and high-quality outputs. More ❯

Lead Data Scientist £100,000-£120,000 Share options Hybrid/remote working opportunities Superb range of benefits Are you looking for your next data science opportunity within the insure-tech space? This is your chance to work as part of super high quality AI team, with the chance to work on some complex problems which will … a service that any of us can use. Ideally we would like someone who has worked for a product lead, technology business who have had an emphasis on using Data Science, Machine Learning and AI to drive that. This isn't a traditional lead, you will take charge of a team of up to four within the wider team More ❯

Job Title: Data Scientist Location: London, UK (Hybrid) Job Type: Permanent Job Description: Experience: Minimum of 8+ years. Skilled Required: LLM, RAG, Finetuning, NLP, Text Summarisation, ML, Feature Engineering Llamaindex, LangChain, LangSmith Vector DB, Vector Search, FAISS Embeddings Experience with OCR, layout models PDF and text file parsing, along with various other file types Experience with REST API More ❯