1 to 25 of 37 Senior Data Scientist Jobs in the City of London

Senior Data Scientist – London Portas Consulting is the leading management consulting firm dedicated to sport. We believe in the power of sport and physical activity to transform lives, communities and nations. We provide inspirational leadership to power this transformation, having fun and showing the passion for doing what we love. We are expanding our Data & AI … team and are looking for a Senior Data Scientist to join the team. You will lead analytical workstreams on client projects, help productionise workflows and mentor more junior members of the team. As part of a fast-growing area, you will get the opportunity to play a central role in developing new IP and shaping the frameworks … performance, commercial and operations. We are looking for someone proactive, excited by the opportunity of working in a growing team, and who loves sport. What you’ll do: Lead data science workstreams on client projects, managing analysts and collaborating with consultants. Develop and deploy statistical models and core IP. Build reusable tools to streamline analysis and visualisation. Communicate insights More ❯

Social network you want to login/join with: Senior CRM Data Scientist, london (city of london) col-narrow-left Client: BettingJobs 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: BettingJobs is currently recruiting for … CRM Data Scientist for a leading gambling provider based in London. Key Responsibilities: Analyze large datasets to uncover patterns and insights related to customer behavior. Develop predictive models to forecast customer activities and trends. Collaborate with cross-functional teams to implement data-driven strategies. Define and track key performance indicators (KPIs). Utilize machine learning techniques to … campaign optimization. Communicate findings and recommendations to stakeholders in a clear and concise manner. Requirements: Master's or PhD degree in a quantitative field. Proven experience of large-scale data analysis and hypothesis testing. Strong proficiency in statistical analysis and predictive modeling. Proficient in Python (pandas, scipy, numpy, scikit-learn) or R (tidyverse/data.table), along with SQL. Excellent More ❯

I am looking for Lead Data Scientist role for a fast-growing finance start up on a mission to transform how individuals and businesses interact with financial data. Backed by top-tier investors, they're building intelligent, data-driven products that empower smarter financial decisions. Title - Lead Data Scientist Hybrid - 3 days onsite Location - London … Key Responsibilities Lead the development and deployment of machine learning models and advanced analytics solutions. Collaborate cross-functionally to identify and prioritize data science opportunities. Build and mentor a high-performing data science team. Establish best practices for experimentation, model validation, and deployment. Communicate complex data insights to technical and non-technical stakeholders. Stay current with trends … in data science, machine learning, and financial technologies. Requirements Bachelor’s degree in Computer Science, Data Science, Statistics, or a related field. 5–10 years of experience in data science, with at least 2 years in a leadership or senior role. Proven experience in a startup or fast-paced environment. Strong proficiency in Python, SQL, and More ❯

Social network you want to login/join with: Lead Data Scientist - Finance, london (city of london) col-narrow-left Client: Opus Recruitment Solutions 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: I am looking for … Lead Data Scientist role for a fast-growing finance start up on a mission to transform how individuals and businesses interact with financial data. Backed by top-tier investors, they're building intelligent, data-driven products that empower smarter financial decisions. Hybrid - 3 days onsite Location - London Key Responsibilities Lead the development and deployment of machine learning … models and advanced analytics solutions. Collaborate cross-functionally to identify and prioritize data science opportunities. Build and mentor a high-performing data science team. Establish best practices for experimentation, model validation, and deployment. Communicate complex data insights to technical and non-technical stakeholders. Stay current with trends in data science, machine learning, and financial technologies. Requirements More ❯

a culture and environment where everyone feels empowered and more importantly comfortable enough to bring their full, authentic selves to work. Job Description We’re hiring for a Lead Data Scientist! You will play a crucial role in shaping and driving innovation through the development of data science tools and solutions. You’ll be responsible for designing … developing, and maintaining cutting-edge machine learning and AI prototypes, mentoring junior team members, and collaborating across teams to scale impactful data-driven products. This work directly supports our mission to deliver audience intelligence and creativity that fuels growth for our clients and the Saatchi & Saatchi brand. If this interests you, please keep reading below for more information. Responsibilities … Design, develop and maintain machine learning, deep learning, and AI prototype tools (including LLM and RAG products)• Collaborate with Audience Strategists to solve business problems using data science• Lead and mentor junior data scientists and analysts• Work with Publicis Groupe technology teams to scale prototypes into robust, Groupe-wide solutions• Build scalable infrastructure and ensure compliance with security More ❯

clear vision. Our mission is to build products that customers love by harnessing cutting-edge AI to transform their shopping experience. About the Job We are looking for a Senior Data Scientist with experience in bringing advanced machine learning and data science systems to production to work with our team of industry leading domain experts and … engineers. You'll be working across our entire data science stack, from advanced recommender systems to comprehensive performance analytics. Key Responsibilities: Design and implement scalable machine learning for complex data analysis, optimised recommendations, and predictive modelling. Translate the latest advances in machine learning into impactful solutions and products, from rapid MVPs to fully deployed, production-ready systems. Bring … your models to production and optimise for inference in edge computing environments. Essential Qualifications: 3-5+ years implementing advanced data science solutions in a commercial setting. MSc in Computer Science, Machine Learning, or a related field. Experience building data pipelines (realtime or batch) & data quality using modern toolchain (e.g., Apache Spark, Kafka, Airflow, dbt). Strong More ❯

Social network you want to login/join with: Senior Data Scientist - Consumer Behaviour – exciting ‘scale up’ proposition, 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: 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 J12960 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 More ❯

Lead Data Scientist - Optimisation Location: Hybrid (1 day a week in Reading or Central London) Salary: £80,000-£110,000+ £6K Car Allowance + 10% Bonus + Excellent Benefits We’re recruiting on behalf of one of the UK’s largest and most influential automotive groups for a Lead Data Scientist . This is an outstanding … opportunity for an experienced data scientist and people leader to shape operational strategy using cutting-edge optimisation techniques across a high-impact, data-rich organisation. With a remit covering everything from vehicle logistics to refurbishment optimisation , this role is perfect for someone who’s passionate about delivering measurable business value through advanced modelling and hands-on leadership. … The Role As Lead Data Scientist for the Operations team , you will lead a growing group of data scientists focused on solving real-world operational challenges. Your team will design and deploy advanced models, applying advanced mathematical optimisation techniques (e.g., Linear Programming , Scheduling , Graph Theory ) to complex business problems, with the goal of improving supply chain efficiency More ❯

Senior Data Scientist | ~£90,000-£110,000+ Package | Hybrid (3 Days London) My client is a respected consultancy delivering high-impact intelligence, research, and data-led services to both public and private sector organisations. As demand for their expertise grows, they are expanding their data science capability and looking for a capable Data Scientist to join the team. This is an excellent opportunity for someone with hands-on experience in data science who is ready to apply their skills to meaningful, real-world challenges. You will be working on complex, sensitive projects within a high-trust environment, with the opportunity to grow alongside an experienced and supportive team. Key Responsibilities: Design and … implement scalable data workflows across secure cloud and on-premise environments Combine structured, unstructured, and geospatial data to build models and extract actionable insights Apply statistical techniques, machine learning, and AI to solve domain-specific problems Collaborate with engineers, analysts, and stakeholders to develop robust data-driven solutions Support the optimisation and maintenance of data pipelines More ❯

We’re working with a leading insights consultancy in the food and drink space, known for its high-quality, subscription-based data tools used by global brands. They’re now hiring a Senior Data Scientist to shape and execute the company’s data strategy and develop AI-driven features that elevate their platform. The Role … You’ll lead on the full data lifecycle - from pipeline development to deploying machine learning models. Working closely with product and commercial teams, you’ll drive innovation through LLMs and advanced analytics, while mentoring a small team and aligning data solutions with business growth. Key Responsibilities Build and optimise data pipelines and infrastructure Design and deploy ML … models, including LLM-powered features Mentor junior data scientists and foster team development Align data science with product and business strategy Identify opportunities for automation and platform enhancements About You Strong experience delivering end-to-end data science solutions Skilled in Python, SQL, and cloud platforms (Azure preferred) Familiar with LLMs, embeddings, or vector search Confident communicating More ❯

Senior Data Scientist Series A E-commerce Tech Start-Up £90k - £120k plus equity & benefits Hybrid/London Office 3 days ✅Innovative, collaborative culture, business driven by AI ✅Inspiring leader, passionate about this disruptive proposition with strong green impact ✅Chance to own shares in scaling organisation, drive towards exit and IPO Omnis Partners are exclusively partnered with … innovative start-up that is transforming e-commerce through AI-driven solutions. With significant funding and ambitious expansion plans, they are now hiring exceptional talent to build out their Data Science team. Founded by industry experts, this fast-scaling London-based company leverages machine learning software to ecommerce, reducing costs and enhancing efficiency. Backed by significant funding, they are … rapidly expanding their infrastructure and AI-driven platform. You will operate as part of a highly collaborative, innovative team to deliver data science solutions, under the leadership and guidance of an inspiring thought leader, in your Data Science Director. We are hiring for two Senior Data Scientists with a range of skills across the following areas More ❯

Senior Data Scientist/AI Engineer Hybrid working: The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time. … record check (known as Disclosure and Barring Service) Your Role We are looking for people with strong technical knowledge in areas such as machine learning, GenAI, computer vision, and data science, combined with solid solution architecture and software engineering skills, that will allow us to design and build solutions which can be deployed at scale. We seek individuals to … inclusive and welcoming environment, for everyone. Your Skills and Experience Capabilities in a range of AI techniques (e.g. supervised and un-supervised machine learning techniques, GenAI, deep learning, graph data analytics, statistical analysis, time series, geospatial, NLP, sentiment analysis, pattern detection, etc.). Strong communication skills - able to compellingly present work to clients, disseminating complex information in an easy More ❯

Senior Data Scientist £45,000-£65,000 London (Remote) iO Associates have partnered with a fast-growing data & AI product company. They are expanding their team and hiring a Senior Data Scientist to own technically rich projects, mentor junior team members, and drive the development of scalable, production-ready machine learning models. This … able to communicate insights clearly to both technical and non-technical audiences. Requirements: Advance Python (Pandas, NumPy, Scikit-learn, TensorFlow, and PyTorch) & SQL skills. (Snowflake a plus) Experience with Data warehousing and database technologies Solid machine learning experience (modelling to deployment) Cloud exposure (GCP/AWS/Azure) Excellent communication & stakeholder skills Leadership or mentoring experience in a dynamic …/start-up environment Responsibilities: Lead and deliver end-to-end data science projects Mentor and support junior data scientists Build and deploy scalable ML models Translate complex data into strategic insights Collaborate across teams to integrate data-driven solutions If you're ready to take a lead role in building data science that scales More ❯

Ready to lead the next generation of AI-powered solutions? We’re looking for a Senior Data Scientist to join our ambitious, impact-driven team based in London. You’ll play a key role in designing and deploying advanced machine learning systems that solve complex real-world challenges across a wide range of industries—from climate risk … product offerings. Flexible & Balanced : Competitive salary, hybrid working options, and a culture that supports your wellbeing and personal growth. What We’re Looking For: 3+ years of experience in data science, machine learning, or applied AI roles. Strong background in statistics, predictive modeling, and advanced machine learning techniques. Proven ability to lead end-to-end AI projects—from data More ❯

Social network you want to login/join with: Senior Data Scientist, London (City of London) Client: Liberty Towers 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: About the Role This is a hands-on role focused on applying AI … techniques to both geospatial and non-geospatial data, 3D workflows, and internal datasets to drive automation, insights, and new product capabilities. This presents an opportunity to contribute to novel research into developing spatial intelligence models, as well as the practical application of existing cutting-edge techniques. Responsibilities Collaborate with cross-functional teams including Product, Engineering, and Data Engineering … business challenges into scalable ML solutions. Collaborate with external AI specialists to deliver larger-scale projects. Explore, clean, and transform large datasets for training, validation, and inference, including geospatial data types. Design, test, and deploy predictive models and recommendation systems into production environments. Identify and develop opportunities for AI-powered automation and decision-making tools. Contribute to the architecture More ❯

A small and rapidly growing Consultancy are looking for a Lead Data Scientist to join their expanding team - this is a hybrid role, requiring around 2-3 days per week either in the office or on client site, depending on requirements. Many of their clients are in the Public Sector, meaning you must be eligible for SC Clearance … in order to apply for this role. In this role, you will lead on client projects and provide them with subject matter expertise - you'll proactively identify opportunities for data science to be used to help solve their unique challenges, and will action this appropriately. This will involve working with varied data sources, and designing and implementing various … data science and machine learning techniques and algorithms, both on-premises and on the cloud, depending on what's best for each particular client. You'll communicate your findings and insight to the client, getting involved in presentations to uncover the "story" the data is telling, and therefore what action can be taken. This role would be well 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯