26 to 50 of 166 Senior Data Scientist Jobs in London

Job Title: Senior Data Scientist (AI & ML) Location: London hybrid Salary: £80-90K + Equity About the Company: A super interesting start-up that is on a mission to take on some of the most complex challenges in the field of predictive models, fraud detection, and … AI-powered insights. What You’ll Do: As a Senior Data Scientist, you will own the product and lead the development of AI features. You’ll be a hands-on “do-er” who’s comfortable rolling up your sleeves and executing. This role is ideal for an … datasets and cutting-edge technologies. You’ll be responsible for: Building and optimising machine learning models using NLP and graph vector DBs Leveraging big data efficiently to create actionable insights Working with large documents, data infrastructure, and containerization Investigating fraud and ethics reports, transforming raw data into More ❯

Job Title: Senior Data Scientist (AI & ML) Location: London hybrid Salary: £80-90K + Equity About the Company: A super interesting start-up that is on a mission to take on some of the most complex challenges in the field of predictive models, fraud detection, and … AI-powered insights. What You’ll Do: As a Senior Data Scientist, you will own the product and lead the development of AI features. You’ll be a hands-on “do-er” who’s comfortable rolling up your sleeves and executing. This role is ideal for an … datasets and cutting-edge technologies. You’ll be responsible for: Building and optimising machine learning models using NLP and graph vector DBs Leveraging big data efficiently to create actionable insights Working with large documents, data infrastructure, and containerization Investigating fraud and ethics reports, transforming raw data into More ❯

Lead Data Scientist London Up to £95,000 + bonus + benefits Our Client We're helping a global ecommerce marketplace build out their Data & Analytics teams. With over 20,000 employees in 41 locations around the world, our client traverses a number of consumer industries. They … leave a positive impact on all stakeholders including employees, customers and partners, helping to build sustainable local communities on a global scale. The role Data Scientists are hands-on with building models that allow our client to hyper-personalise their customer experience. In addition this, at a leadership level … Data Scientists work as internal consultants within the business, advising executive teams on all things concerning predictive analytics and machine learning. What a Lead Data Scientist role will involve A hybrid role which is both hands-on with building models and involves consulting throughout the wider business More ❯

Senior Data Scientist- Pensions We are currently recruiting for a Senior Data Scientist with workplace pension experience to join one of our Insurance clients on a 6-month contract. Inside IR35 Hybrid Responsibilities: Own the development and implementation of data models, analytics frameworks … and experimentation strategies across the platform. Analyze user journeys and behavioral data across tenants to uncover insights that inform product and engagement strategies. Develop segmentation and predictive models to support personalization and proactive member engagement based on demographics, behavior, and interaction activities etc. Design and analyze experiments (A/… performance, and identify growth opportunities. Create dashboards and self-serve analytics tools to empower internal teams with real-time insights. Mentor and coach junior data team members, fostering their growth in analytics, modeling, and communication. Contribute to and uphold best practices in data quality, governance, and compliance, especially More ❯

Senior Data Scientist- Pensions We are currently recruiting for a Senior Data Scientist with workplace pension experience to join one of our Insurance clients on a 6-month contract. Inside IR35 Hybrid Responsibilities: Own the development and implementation of data models, analytics frameworks … and experimentation strategies across the platform. Analyze user journeys and behavioral data across tenants to uncover insights that inform product and engagement strategies. Develop segmentation and predictive models to support personalization and proactive member engagement based on demographics, behavior, and interaction activities etc. Design and analyze experiments (A/… performance, and identify growth opportunities. Create dashboards and self-serve analytics tools to empower internal teams with real-time insights. Mentor and coach junior data team members, fostering their growth in analytics, modeling, and communication. Contribute to and uphold best practices in data quality, governance, and compliance, especially More ❯

Senior Data Scientist – Epigenetics Location: London (Hybrid, 2 days remote) Type: Full-time | Competitive Salary + Share Options A stealth-mode biotech startup is seeking a Senior Data Scientist to drive innovation. You’ll work on cutting-edge omics and machine learning projects using … non-invasive epigenetic data to develop predictive diagnostics and personalized treatments. Key Responsibilities: Develop ML models for epigenetic data Analyze DNA methylation and integrate clinical/phenotypic data Build and scale analysis pipelines on AWS Collaborate with a cross-functional R&D team Present findings and contribute … to strategic decisions Requirements: MSc/PhD or equivalent in Bioinformatics, Biochemistry, CS, or related field +2 years’ experience in Data Science outside of Academia Strong Python and cloud computing (AWS/GCP/Azure) skills Experience with NGS data, version control, and CI/CD Bonus Skills More ❯

Senior Data Scientist – Epigenetics Location: London (Hybrid, 2 days remote) Type: Full-time | Competitive Salary + Share Options A stealth-mode biotech startup is seeking a Senior Data Scientist to drive innovation. You’ll work on cutting-edge omics and machine learning projects using … non-invasive epigenetic data to develop predictive diagnostics and personalized treatments. Key Responsibilities: Develop ML models for epigenetic data Analyze DNA methylation and integrate clinical/phenotypic data Build and scale analysis pipelines on AWS Collaborate with a cross-functional R&D team Present findings and contribute … to strategic decisions Requirements: MSc/PhD or equivalent in Bioinformatics, Biochemistry, CS, or related field +2 years’ experience in Data Science outside of Academia Strong Python and cloud computing (AWS/GCP/Azure) skills Experience with NGS data, version control, and CI/CD Bonus Skills More ❯

Senior Data Scientist - Python - SQL - Blockchain - Hybrid (London) - £75k-£95k (Equity Offered) Currently working with a client in the Crypto industry who is looking for a motivated senior data scientist to join their team and help prevent financial crimes and allow cryptocurrencies to be … used for good. Responsibilities: Work in a highly collaborative environment with engineers, blockchain analysts, data scientists, researchers. Your shared goal is creating intelligence, you contribute in different ways. Be deeply opinionated about where we're spending our time, and how we can increase the value of our intelligence. Own … powerful model? Participate in a collegiate group of blockchain experts, share your knowledge across our business wherever it is effective. Requirements: Is comfortable querying data with SQL and Python. Can optimise queries for huge datasets. Has a solid understanding of blockchain ecosystem elements like DeFi, Exchanges, Wallets, Smart Contracts More ❯

Senior Data Scientist - Python - SQL - Blockchain - Hybrid (London) - £75k-£95k (Equity Offered) Currently working with a client in the Crypto industry who is looking for a motivated senior data scientist to join their team and help prevent financial crimes and allow cryptocurrencies to be … used for good. Responsibilities: Work in a highly collaborative environment with engineers, blockchain analysts, data scientists, researchers. Your shared goal is creating intelligence, you contribute in different ways. Be deeply opinionated about where we're spending our time, and how we can increase the value of our intelligence. Own … powerful model? Participate in a collegiate group of blockchain experts, share your knowledge across our business wherever it is effective. Requirements: Is comfortable querying data with SQL and Python. Can optimise queries for huge datasets. Has a solid understanding of blockchain ecosystem elements like DeFi, Exchanges, Wallets, Smart Contracts More ❯

team is the driving force behind our role as our customers' personal holiday expert - the smart way to get away. About the team: Our Data Science team comprises seven members, including two Senior Data Scientists, four Data Scientists, and the Head of Data Science. We … documentation and knowledge sharing. Our tech stack includes GCP, Python, GitHub, PyTorch, TensorFlow, Scikit-learn, and XGBoost. With mature infrastructure and dedicated teams for Data Engineering, Analytics, and Platform Engineering, our Data Scientists enjoy high autonomy. We tackle interesting datasets, set up large-scale experiments, and implement growth … OKR planning ensures that priorities are clearly defined and teams are aligned on objectives. The impact you'll have: Reporting to the Head of Data Science, the Senior Data Scientist will play a pivotal role in propelling loveholidays forward. Positioned within a team of passionate data More ❯

Senior Data Scientist x3 days a week in South-West London About the Company Xcede are delighted to be working with a market leader in the entertainment space with one of the strongest Data Science programmes in its sector. With an ambitious roadmap and strong investment … in AI, data science, and engineering, this business is focused on building the most advanced, personalised customer experiences in the industry. With a dynamic culture rooted in product innovation, agile methodologies, and continuous learning, this is the ideal environment for experienced data professionals who want to shape next … generation predictive and personalisation systems at scale. About the Role This is a fantastic opportunity for a Senior Data Scientist to take on a key role within a collaborative, forward-thinking Data Science function. Sitting within the personalisation team, you’ll be working alongside machine learning More ❯

SENIOR DATA SCIENTIST UP TO £75,000 HYBRID – LONDON – 3 days a week in the office THE COMPANY This Data Science consultancy works with some huge consumer brands in the UK and globally and they are now growing out their team due to growth and success … THE ROLE As a Senior Data Scientist, you can expect to be involved in the following: Running projects and taking responsibility for leading relationships with clients Scoping out business problems, creating data science solutions, and delivering insights off the back of this Mentoring other data 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 … 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 … 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 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 … 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 … 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 More ❯

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 … 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 More ❯

Senior Data Scientist | London | Decarbonize the grid I'm searching for a Senior Data Scientist to join a fast-growing Energy Tech startup that are building the critical infrastructure to accelerate our transition to net-zero and underpin a decarbonised energy system! They are … backed by top VCs & Angel Investors (previously invested in Meta, BeReal, Slack, and more!) The team are hiring data scientists with a strong quantitative & algorithmic background to optimise energy usage in a net-zero electricity grid. This predicts and balances energy needs in real time and shifts electricity consumption More ❯

Senior Data Scientist | London | Decarbonize the grid I'm searching for a Senior Data Scientist to join a fast-growing Energy Tech startup that are building the critical infrastructure to accelerate our transition to net-zero and underpin a decarbonised energy system! They are … backed by top VCs & Angel Investors (previously invested in Meta, BeReal, Slack, and more!) The team are hiring data scientists with a strong quantitative & algorithmic background to optimise energy usage in a net-zero electricity grid. This predicts and balances energy needs in real time and shifts electricity consumption More ❯

Senior Data Scientist - Loyalty Salary: £80k - £90k Location: London, Hybrid Data Idols are working with one of the top global retail companies to expand its data capabilities by hiring a Senior Data Scientist within its loyalty scheme department. The Opportunity You will … be working on various projects across loyalty, including customer segmentation, customer retention, customer profiling, and customer marketing to help them leverage their data to increase customer sign-up. You will be helping to create and build various data science models using numerous technologies. Coach and support junior members More ❯

A world class Tech Organisation are looking for a Senior Data Scientist (MLOps) to join their division in London on a hybrid basis - opportunity to join a really innovative environment where you'll work with cutting edge technologies. The company: The organisation have been running very successfully … as so many of their staff members have long and successful careers with the business. The role: You'll be joining a multi-disciplinary Senior squad of roughly 6 consisting of Principle and Senior Software Engineers, Data Engineers and Data Scientists, and will be tasked with … with the ML platform team advocating for effective use of tools like feature stores and model registries. This role acts as the glue between data science and platform engineering teams, fostering MLOps best practices, addressing bottlenecks in inference and retraining pipelines, and resolving production issues to enhance system robustness More ❯

A world-class Tech Organisation is looking for a Senior Data Scientist (MLOps) to join their division in London on a hybrid basis. This is an opportunity to work in an innovative environment with cutting-edge technologies. The company: The organization has been successful for over twenty … and welcoming culture, resulting in low attrition rates and long, successful careers for many staff members. The role: You will join a multi-disciplinary senior squad of about 6 members, including Principal and Senior Software Engineers, Data Engineers, and Data Scientists. Your main responsibilities will include … team will be essential, especially advocating for effective use of tools like feature stores and model registries. This role acts as a bridge between data science and platform engineering teams, promoting MLOps best practices, resolving bottlenecks in inference and retraining pipelines, and addressing production issues to improve system robustness More ❯

Job Description - Lead Data Scientist (15928) Lead Data Scientist ( 15928 ) Lead Data Scientist Luton Hybrid About Us: When it comes to innovation and achievement there are few organisations with a better track record. Join us and you'll be able to play a big … people. Its big-scale stuff and we're still growing . Role Overview: At easyJet, we are committed to becoming a leading data-driven airline with the ambitious goal of achieving a mid-term target of £1 billion in profit. Joining our Data Analytics & Intelligence (DA&I) team … means you will play a pivotal role in enabling robust and scalable data science solutions that will unlock significant revenue and cost-saving opportunities. We are seeking a Lead Data Scientist to backfill a critical position within our team. This role focuses on the training and enablement More ❯

At Hastings Direct, storing your data securely is very important to us. Please see our Data Protection Statement and Job Application Terms & Conditions here for details on how your information will be stored. Job Requisition ID: Welcome to Hastings Direct - From our Group HR Director Pam Angel We … a digital insurance provider with ambitious plans to become The Best and Biggest in the UK market. We've made huge investments in our data and tech capabilities over the past few years, along with nurturing our 4Cs culture. We're proud of the journey we're on as … a company and know that our continued success will rely on the contribution of our talented colleagues. We are seeking a highly skilled Senior Data Scientist to join our Market Models team. You will play a critical role in developing, enhancing, and maintaining market models that drive More ❯

Job Band Job number 21462 Principal Senior Data Scientist - NLP Salary range: Up to £118,000 depending on relevant skills, knowledge and experience. The expected salary range for this role reflects internal benchmarking and external market insights. Contract type: permanent contract Location: London or Salford based Benefits … and Artificial Intelligence across the BBC. AI Research works closely with other BBC R&D Applied Research Areas, BBC Product and Technology Groups and senior business stakeholders across the BBC to accelerate Machine Learning based innovation. Reporting to the Head of AI Research, the Senior Principal Data Scientist will lead a team of machine learning researchers focusing on natural language processing. As a Senior Principal Data Scientist, you will play a key role in driving technical excellence and innovation. You will lead a team of machine learning scientists, providing mentorship and technical More ❯

Senior Pricing Data Scientist (FTC - With the view to go permanent) UK – Remote Up to £75,000 We are working with an exciting scale up within the insurance space, who aim to revolutionise the industry through Machine Learning and advanced pricing strategies. They are seeking a Pricing … Data Scientist to develop sophisticated pricing models, optimize predictive capabilities, and enhance automation processes. This is an excellent opportunity for a data-driven professional eager to make a significant impact in a cutting-edge environment. As a Pricing Data Scientist, you will play a crucial … machine learning techniques to optimize pricing accuracy. Automate and streamline pricing model deployment for continuous improvement. Collaborate with key stakeholders across engineering, product, and data teams. Monitor and assess model performance, iterating as needed to drive business value. Conduct A/B testing and impact analysis to assess pricing More ❯

Senior Data Scientist Location : Central London (Hybrid) Package : Up to £80k + Bonus An award winning organisation reshaping the future of digital advertising with cutting-edge AI-powered solutions that make video ad targeting smarter, safer, and more effective. By leveraging advanced contextual data, they connect … brands with their ideal audiences while delivering transparency and performance at scale. Their products and services rely on intelligent features, in depth data analysis, and trained AI models. They even partner with industry leaders like Warner Bros, Pokémon, & Asics. We’re looking for a Sr. Data Scientist who can help develop our analytics and enrichment capabilities to drive data-led decision making and build industry leading data products. Responsibilities: Build new solutions from prototypes to production feature to solve business problems using machine learning and statistical analysis Maintain and build upon our existing ML More ❯