51 to 63 of 63 Senior Data Scientist Jobs in the City of London

Lead Data Scientist | Biotech & Machine Learning | London (3/4 days per week onsite) About Excited to apply advanced machine learning to real-world biomedical discovery? This fast-growing biotech startup is building breakthrough algorithms that extract insight from complex, noisy time-series data - and they’re looking for a Senior Data Scientist to … from research to deployment Flexible working, high autonomy, and a clear scientific mission 🚀 What they value: Curiosity and rigour in tackling complex scientific challenges A passion for transforming noisy data into meaningful insight Strong collaboration across technical and scientific disciplines A mindset focused on reproducibility, clarity, and impact They’re open to a range of ML and scientific backgrounds More ❯

Areti is currently seeking five Senior Data Scientists/Analysts to join one of the UK’s fastest-growing Series A-funded tech startups based in London . This is an exciting opportunity to be part of a dynamic, mission-driven company working on high-impact Defence and Government projects. Extensive training provided – including Palantir – making this a … career-defining role . 🌳🌳🌳 The Role: You will work within a tight-knit, agile team tackling real-world problems using cutting-edge data science and engineering techniques. Key Responsibilities: Develop and deploy machine learning models Solve complex data problems in a big data environment Build scalable data pipelines and APIs Ideal Candidate Will Have: Previous experience … as a Data Scientist or Data Engineer Strong command of Python (including libraries such as scikit-learn, NumPy, matplotlib) Experience in deep learning frameworks such as TensorFlow or PyTorch Knowledge of SQL and relational databases; experience with Big Data environments Familiarity with API development and NoSQL databases Understanding of CI/CD practices , AWS , and GIT More ❯

Areti is currently seeking five Senior Data Scientists/Analysts to join one of the UK’s fastest-growing Series A-funded tech startups based in London . This is an exciting opportunity to be part of a dynamic, mission-driven company working on high-impact Defence and Government projects. Extensive training provided – including Palantir – making this a … career-defining role . 🌳🌳🌳 The Role: You will work within a tight-knit, agile team tackling real-world problems using cutting-edge data science and engineering techniques. Key Responsibilities: Develop and deploy machine learning models Solve complex data problems in a big data environment Build scalable data pipelines and APIs Ideal Candidate Will Have: Previous experience … as a Data Scientist or Data Engineer Strong command of Python (including libraries such as scikit-learn, NumPy, matplotlib) Experience in deep learning frameworks such as TensorFlow or PyTorch Knowledge of SQL and relational databases; experience with Big Data environments Familiarity with API development and NoSQL databases Understanding of CI/CD practices , AWS , and GIT More ❯

Lead Data Scientist Initial 6 month Contract | 4 days onsite (London) 1 day remote We currently are looking for a Lead Data Scientist to join an exciting project with our consultancy client. You’ll combine deep energy market expertise with advanced data science and machine learning techniques to design and deliver data-driven trading … quality ML models (Python, ML frameworks, MLOps). Proven experience in utilities, power, or energy trading; familiarity with trading mechanisms and asset classes. Demonstrated ability to lead cross-functional data science projects, mentor peers, and set standards in a collaborative environment. Expertise in time series modelling, back testing, and extracting insights from complex multi-dimensional data. Hands on experience More ❯

Lead Data Scientist Initial 6 month Contract | 4 days onsite (London) 1 day remote We currently are looking for a Lead Data Scientist to join an exciting project with our consultancy client. You’ll combine deep energy market expertise with advanced data science and machine learning techniques to design and deliver data-driven trading … quality ML models (Python, ML frameworks, MLOps). Proven experience in utilities, power, or energy trading; familiarity with trading mechanisms and asset classes. Demonstrated ability to lead cross-functional data science projects, mentor peers, and set standards in a collaborative environment. Expertise in time series modelling, back testing, and extracting insights from complex multi-dimensional data. Hands on experience More ❯

Principal Data Scientist Logistics AI Company (Up to £120,000 per annum) London (4 days per week in office) La Fosse have partnered with a ambitious AI company transforming how businesses in the logistics sector operate. La Fosse are supporting this rapidly expanding AI business in preparing for an international launch, we’re now looking for a Senior and Principal Data Scientist. What you’ll be doing: Build, deploy, and scale machine learning systems that forecast demand, optimise staffing, and improve operational performance across thousands of venues. Lead projects end-to-end, from data design and modelling through to validation, deployment, and monitoring. Develop AI systems across areas such as computer vision, forecasting, optimisation, and … emerging generative or agentic models. Partner with engineers to design scalable ML pipelines, APIs, and real-time infrastructure. About you: Background in Computer Science, Mathematics, Data Science, or AI (Master’s or PhD preferred). 5+ years’ experience developing and deploying ML models in production environments. Strong Python skills, with experience in frameworks like PyTorch, TensorFlow, or Hugging Face. More ❯

Principal Data Scientist Logistics AI Company (Up to £120,000 per annum) London (4 days per week in office) La Fosse have partnered with a ambitious AI company transforming how businesses in the logistics sector operate. La Fosse are supporting this rapidly expanding AI business in preparing for an international launch, we’re now looking for a Senior and Principal Data Scientist. What you’ll be doing: Build, deploy, and scale machine learning systems that forecast demand, optimise staffing, and improve operational performance across thousands of venues. Lead projects end-to-end, from data design and modelling through to validation, deployment, and monitoring. Develop AI systems across areas such as computer vision, forecasting, optimisation, and … emerging generative or agentic models. Partner with engineers to design scalable ML pipelines, APIs, and real-time infrastructure. About you: Background in Computer Science, Mathematics, Data Science, or AI (Master’s or PhD preferred). 5+ years’ experience developing and deploying ML models in production environments. Strong Python skills, with experience in frameworks like PyTorch, TensorFlow, or Hugging Face. More ❯

Lead Data Scientist Up to £100,000 London (2-3 days onsite per week - client travel) Company: Join a management consultancy that has been disrupting the industry for over a decade. They work across sectors including Defence, Retail, Government, and Healthcare, delivering bespoke Data Science and Machine Learning solutions. By combining strategy, innovation, and execution, they help … organizations turn bold ideas into real-world impact Responsibilities: Own the end-to-end delivery of complex data science and machine learning projects Define and drive data science strategies that align with client goals and broader organizational objectives. Develop tailored models and algorithms to solve unique client problems to deliver real business value. Stay at the forefront of More ❯

Principal Data Scientist Up to £150,000 London (2-3 days onsite per week - client travel) Company: Join a management consultancy that has been disrupting the industry for over a decade. They work across sectors including Defence, Retail, Government, and Healthcare, delivering bespoke Data Science and Machine Learning solutions. By combining strategy, innovation, and execution, they help … organizations turn bold ideas into real-world impact Responsibilities: Own the end-to-end delivery of complex data science and machine learning projects Define and drive data science strategies that align with client goals and broader organizational objectives. Develop tailored models and algorithms to solve unique client problems to deliver real business value. Stay at the forefront of More ❯

Lead Data Scientist Up to £125,000 London (Hybrid, 2-3 days onsite per week) Company: This private equity and investment start-up are focused on streamlining and improving performance by reimagining value creation capabilities. They are utilising cutting-edge AI to generate performance insights on each aspect of the investment lifecycle. Responsibilities: Build machine learning predictive models … a fast-paced, collaborative environment. How to Apply: Please register your interest by sending your CV to Emily Burgess via the Apply link on this page. Keywords: Machine Learning, Data Science, start-up, Investment, Equity More ❯

Lead/Principal Data Scientist x2/3 days a week in the office About the Role & Company This is a leadership opportunity at a fast-scaling AI consultancy known for its technical excellence and track record in delivering real-world impact across some of the most important companies globally. The team helps major clients in the Retail … sector apply cutting-edge data science in complex operational environments, balancing innovation with reliability and rigour. You’ll join a deeply technical, collaborative group working on custom AI and machine learning solutions that support automation, forecasting, and decision intelligence. The focus is on strategic value creation: solving ambiguous problems with clarity, and delivering tools that embed into the heart … of client systems. What You’ll Be Doing Set the technical direction on multi-disciplinary data science & AI projects, from approach selection to architecture design Take ownership of full solution pipelines, leading hands-on development and supporting others to do the same Work closely with senior client stakeholders to shape project scope, track value delivery, and communicate findings More ❯

Remote Role – Central London Office This is a fully remote role but you MUST be UK based and not require a visa to work. Lead R Data Scientist - Sustainability The Organisation Our client develops cutting-edge navigator software for the global agricultural sector, helping farmers transition toward more sustainable practices through science-backed analytics. Their software provides direct … findings into practical models for farmers and land managers, enabling them to understand their systems better and build more sustainable, profitable operations. Position Overview We're seeking an experienced Data Engineer to join our client's Sustainability team as the lead technical specialist in our R-focused Research Software Engineering group. You'll create and maintain the technical infrastructure … that enables our sustainability experts and data scientists to develop innovative agricultural sustainability solutions. Core Functions Lead technical best practices across R package design, code architecture, documentation, and dependency management Establish and oversee versioning and CI/CD systems to enhance team workflows Guide team members in code architecture, development standards, and deployment processes Serve as the technical authority More ❯

Lead & Principal – AI, Data Science (Consulting) We are supporting a consultancy that is building an advanced AI, data science, and simulation capability. The organisation is recruiting experienced Leads and Principals to help shape and deliver real-world, measurable impact through applied AI and data solutions. This is a chance to join a growing consulting practice at an … to improve public health outcomes. About the roles Leads and Principals will play a key role in developing and delivering projects that combine machine learning, generative AI, simulation, and data science. The work requires strong consulting capability, technical depth, and the ability to translate data solutions into tangible business outcomes. Leads typically bring around three to five years … client partners to design and sell effective solutions. What we’re looking for The consultancy is interested in individuals who: Have delivered measurable impact through AI, machine learning, or data-driven solutions Combine technical expertise with consulting experience and strong client influence Are curious, independent thinkers who bring fresh ideas and challenge conventional approaches Thrive in collaborative teams and More ❯