1 to 25 of 83 Permanent Senior Data Scientist Jobs in the UK

Senior Data & AI Scientist page is loaded Senior Data & AI Scientistlocations: Bristoltime type: Full timeposted on: Posted Todaytime left to apply: End Date: October 24, 2025 (30 days left to apply)job requisition id: 139255 End Date Thursday 23 October 2025 Salary Range £70,929 - £78,810 Flexible Working Options Job Share Job Description Summary … . Job Description JOB TITLE: Senior Data & AI Scientist SALARY: £70,929 - £78,810 per annum LOCATION: Bristol HOURS: Full-time WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our office sites.We're expanding the Conversation Experience Team with a Senior Data & AI Scientist to help develop an AI Agent framework that demonstrates the latest AI, automation, and cloud technologies at Lloyds Banking Group. About this opportunity The Analytics & AI Services Platform employs modern technology while partnering with diverse teams across the Group to solve complex business challenges.Within the Analytics & AI Services Platform, the Conversation Experience Team are More ❯

Senior Data Scientist – High-Growth Fintech SaaS | Strategic AI & ML Role We’re supporting a fast-scaling fintech SaaS company backed by tier-one investors to find a Senior Data Scientist to take a lead role in shaping their data science capability. This is a high-impact position where you’ll combine deep … technical expertise with strategic product influence, embedding AI and ML at the heart of next-generation financial data products. The Opportunity As Senior Data Scientist, you’ll be both a leading individual contributor and a mentor. You’ll drive excellence across the data science stack, champion technical best practice, and influence product direction with a … deep understanding of financial data ecosystems. This role sits at the intersection of AI innovation, product strategy, and engineering culture , giving you the freedom to deliver solutions that scale globally. What You’ll Be Doing Acting as a technical leader and mentor, raising the bar for data science capability Using domain knowledge of financial data to shape More ❯

Senior Data Scientist – High-Growth Fintech SaaS | Strategic AI & ML Role We’re supporting a fast-scaling fintech SaaS company backed by tier-one investors to find a Senior Data Scientist to take a lead role in shaping their data science capability. This is a high-impact position where you’ll combine deep … technical expertise with strategic product influence, embedding AI and ML at the heart of next-generation financial data products. The Opportunity As Senior Data Scientist, you’ll be both a leading individual contributor and a mentor. You’ll drive excellence across the data science stack, champion technical best practice, and influence product direction with a … deep understanding of financial data ecosystems. This role sits at the intersection of AI innovation, product strategy, and engineering culture , giving you the freedom to deliver solutions that scale globally. What You’ll Be Doing Acting as a technical leader and mentor, raising the bar for data science capability Using domain knowledge of financial data to shape More ❯

Senior Data Scientist – High-Growth Fintech SaaS | Strategic AI & ML Role We’re supporting a fast-scaling fintech SaaS company backed by tier-one investors to find a Senior Data Scientist to take a lead role in shaping their data science capability. This is a high-impact position where you’ll combine deep … technical expertise with strategic product influence, embedding AI and ML at the heart of next-generation financial data products. The Opportunity As Senior Data Scientist, you’ll be both a leading individual contributor and a mentor. You’ll drive excellence across the data science stack, champion technical best practice, and influence product direction with a … deep understanding of financial data ecosystems. This role sits at the intersection of AI innovation, product strategy, and engineering culture , giving you the freedom to deliver solutions that scale globally. What You’ll Be Doing Acting as a technical leader and mentor, raising the bar for data science capability Using domain knowledge of financial data to shape More ❯

Senior Data Scientist – High-Growth Fintech SaaS | Strategic AI & ML Role We’re supporting a fast-scaling fintech SaaS company backed by tier-one investors to find a Senior Data Scientist to take a lead role in shaping their data science capability. This is a high-impact position where you’ll combine deep … technical expertise with strategic product influence, embedding AI and ML at the heart of next-generation financial data products. The Opportunity As Senior Data Scientist, you’ll be both a leading individual contributor and a mentor. You’ll drive excellence across the data science stack, champion technical best practice, and influence product direction with a … deep understanding of financial data ecosystems. This role sits at the intersection of AI innovation, product strategy, and engineering culture , giving you the freedom to deliver solutions that scale globally. What You’ll Be Doing Acting as a technical leader and mentor, raising the bar for data science capability Using domain knowledge of financial data to shape More ❯

Senior Data Scientist – High-Growth Fintech SaaS | Strategic AI & ML Role We’re supporting a fast-scaling fintech SaaS company backed by tier-one investors to find a Senior Data Scientist to take a lead role in shaping their data science capability. This is a high-impact position where you’ll combine deep … technical expertise with strategic product influence, embedding AI and ML at the heart of next-generation financial data products. The Opportunity As Senior Data Scientist, you’ll be both a leading individual contributor and a mentor. You’ll drive excellence across the data science stack, champion technical best practice, and influence product direction with a … deep understanding of financial data ecosystems. This role sits at the intersection of AI innovation, product strategy, and engineering culture , giving you the freedom to deliver solutions that scale globally. What You’ll Be Doing Acting as a technical leader and mentor, raising the bar for data science capability Using domain knowledge of financial data to shape More ❯

Job Title Senior Data Scientist Location London - hybrid working (2/3 days in City offices) Salary To c£75,000 negotiable DoE Job ReferenceJ13015 POSITION OVERVIEW We are super excited to be partnering with one of the largest global lifestyle brands at a pivotal stage in their data journey. As they bring CRM and customer … insight capability 'in house' and roll out a new customer data platform, this role will be central to shaping how data science is delivered, working closely with Data Science teams and IT partners to build for the future, not maintain the past. Job Title Senior Data Scientist Location London - hybrid working (2/… negotiable DoE Job ReferenceJ13015 POSITION OVERVIEW We are super excited to be partnering with one of the largest global lifestyle brands at a pivotal stage in their data journey. As they bring CRM and customer insight capability 'in house' and roll out a new customer data platform, this role will be central to shaping how data science More ❯

Job Description Summary In this role, you will understand complex and critical business problems, formulates integrated analytical approach to mine data sources, employ statistical methods and machine learning algorithms to contribute solving unmet medical needs in neuroscience, discover actionable insights and automate process for reducing effort and time for repeated use. Moreover, you will manage the implementation and adherence … to the overall data lifecycle of enterprise data from data acquisition or creation through enrichment, consumption, retention, and retirement, enabling the availability of useful, clean, and accurate data throughout its lifecycle. You have proven record of working across various business domains and integrating presentations, smart visualization tools and contextual storytelling to translate findings back to business … and help give people with disease and their families a brighter future to look forward to. Apply today and welcome to where we thrive together! The Role As a Senior Principal Data Scientist in the Advanced Quantitative Scientists group you will be responsible for the discussion and implementation of data science and high-dimensional modelling methodologies More ❯

Overview We're seeking a Senior Data Scientist to lead the development of advanced analytics and AI/ML solutions that unlock real value across our business. This is a contract role for 6 months . In this contract role, you'll work with proprietary and B2B research datasets to design, deliver, and scale data-driven … Product, Research, and Technology, you'll help turn strategic ideas into working MVPs-ensuring high standards of methodology, quality, and business relevance throughout. You'll also help shape the data science environment by working alongside our tech teams to support a robust and flexible infrastructure, including sandbox environments for onboarding and evaluating new data sources. This is a … great opportunity for a self-driven, impact-oriented data scientist who thrives in a fast-paced, cross-functional setting-and is eager to deliver meaningful results in a short time frame. Main Duties and Responsibilities Spearhead and execute complex data science projects using a combination of open-source and cloud tools, driving innovation and delivering actionable insights. More ❯

Senior Data Scientist £95,000 GBP Hybrid WORKING Location: Cardiff, Bristol, Birmingham, West Midlands - United Kingdom Type: Permanent Overview Our client is seeking an experienced Senior Data Scientist to join their Defence business unit. In this role, you will lead project teams delivering bespoke algorithms across the defence and national security sector. You'll … be responsible for defining the data science approach, designing supporting software architectures, and ensuring best practices are applied throughout. This is a client-facing role with significant scope to shape technical direction, influence future projects, and strengthen stakeholder relationships. You will also play a key part in mentoring and developing other data scientists, while contributing to broader knowledge … sharing initiatives across the business. Key Responsibilities Lead project teams to design and deliver bespoke data science solutions. Define project scope and ensure technical feasibility during early commercial engagement. Build and maintain strong relationships with clients, advising on current and future projects. Mentor and support data scientists, providing targeted development opportunities. Contribute to the organisation's thought leadership More ❯

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 a real opportunity to participate in the upside of something meaningful from the ground up. About Measure Measure is building the world's first ethical and transparent human data marketplace. The world we live in is awash in data: what we watch and wear, who we know, what we do, and how we live our lives. Unfortunately More ❯

Senior Data Scientist – £75–80k + Benefits 📍 London | Hybrid (2–3 days office) We’re looking for a Senior Data Scientist to step into a hands-on leadership role within a fast-growing consultancy environment. You’ll combine advanced technical depth with team leadership, mentoring junior scientists, and shaping client solutions at scale. 🔎 The … Role Lead and mentor a small team of junior Data Scientists & Analysts. Deliver advanced machine learning and predictive analytics projects end-to-end. Engage with clients to define problems and build data-driven strategies. Ensure best practices in reproducibility, coding standards, and scalable pipelines. Translate complex insights into actionable outcomes for non-technical stakeholders. ✅ What We’re Looking … For 5+ years’ industry experience in Data Science, ideally with consulting exposure. Strong academic background (MSc/PhD in Data Science, Computer Science, Statistics, or similar). Experience managing or mentoring junior talent. Excellent skills in Python, SQL, cloud (AWS/GCP/Azure), and ML frameworks. A confident communicator able to influence across technical and executive teams. More ❯

Senior Data Scientist – £75–80k + Benefits 📍 London | Hybrid (2–3 days office) We’re looking for a Senior Data Scientist to step into a hands-on leadership role within a fast-growing consultancy environment. You’ll combine advanced technical depth with team leadership, mentoring junior scientists, and shaping client solutions at scale. 🔎 The … Role Lead and mentor a small team of junior Data Scientists & Analysts. Deliver advanced machine learning and predictive analytics projects end-to-end. Engage with clients to define problems and build data-driven strategies. Ensure best practices in reproducibility, coding standards, and scalable pipelines. Translate complex insights into actionable outcomes for non-technical stakeholders. ✅ What We’re Looking … For 5+ years’ industry experience in Data Science, ideally with consulting exposure. Strong academic background (MSc/PhD in Data Science, Computer Science, Statistics, or similar). Experience managing or mentoring junior talent. Excellent skills in Python, SQL, cloud (AWS/GCP/Azure), and ML frameworks. A confident communicator able to influence across technical and executive teams. More ❯

Senior Data Scientist – £75–80k + Benefits 📍 London | Hybrid (2–3 days office) We’re looking for a Senior Data Scientist to step into a hands-on leadership role within a fast-growing consultancy environment. You’ll combine advanced technical depth with team leadership, mentoring junior scientists, and shaping client solutions at scale. 🔎 The … Role Lead and mentor a small team of junior Data Scientists & Analysts. Deliver advanced machine learning and predictive analytics projects end-to-end. Engage with clients to define problems and build data-driven strategies. Ensure best practices in reproducibility, coding standards, and scalable pipelines. Translate complex insights into actionable outcomes for non-technical stakeholders. ✅ What We’re Looking … For 5+ years’ industry experience in Data Science, ideally with consulting exposure. Strong academic background (MSc/PhD in Data Science, Computer Science, Statistics, or similar). Experience managing or mentoring junior talent. Excellent skills in Python, SQL, cloud (AWS/GCP/Azure), and ML frameworks. A confident communicator able to influence across technical and executive teams. More ❯

Senior Data Scientist – £75–80k + Benefits 📍 London | Hybrid (2–3 days office) We’re looking for a Senior Data Scientist to step into a hands-on leadership role within a fast-growing consultancy environment. You’ll combine advanced technical depth with team leadership, mentoring junior scientists, and shaping client solutions at scale. 🔎 The … Role Lead and mentor a small team of junior Data Scientists & Analysts. Deliver advanced machine learning and predictive analytics projects end-to-end. Engage with clients to define problems and build data-driven strategies. Ensure best practices in reproducibility, coding standards, and scalable pipelines. Translate complex insights into actionable outcomes for non-technical stakeholders. ✅ What We’re Looking … For 5+ years’ industry experience in Data Science, ideally with consulting exposure. Strong academic background (MSc/PhD in Data Science, Computer Science, Statistics, or similar). Experience managing or mentoring junior talent. Excellent skills in Python, SQL, cloud (AWS/GCP/Azure), and ML frameworks. A confident communicator able to influence across technical and executive teams. More ❯

Senior Data Scientist – £75–80k + Benefits 📍 London | Hybrid (2–3 days office) We’re looking for a Senior Data Scientist to step into a hands-on leadership role within a fast-growing consultancy environment. You’ll combine advanced technical depth with team leadership, mentoring junior scientists, and shaping client solutions at scale. 🔎 The … Role Lead and mentor a small team of junior Data Scientists & Analysts. Deliver advanced machine learning and predictive analytics projects end-to-end. Engage with clients to define problems and build data-driven strategies. Ensure best practices in reproducibility, coding standards, and scalable pipelines. Translate complex insights into actionable outcomes for non-technical stakeholders. ✅ What We’re Looking … For 5+ years’ industry experience in Data Science, ideally with consulting exposure. Strong academic background (MSc/PhD in Data Science, Computer Science, Statistics, or similar). Experience managing or mentoring junior talent. Excellent skills in Python, SQL, cloud (AWS/GCP/Azure), and ML frameworks. A confident communicator able to influence across technical and executive teams. More ❯

Senior Data Scientist (Optimisation) Hybrid (Av. 2 days office pw) | London 📍 £80k–£90k + Share options + Additional benefits The business This is a fast-growing AI technology company of around 15 people, building cutting-edge predictive and optimisation solutions for real-world operational challenges. The data team you'll be joining is at the centre … of their platform which powers smarter workforce planning, scheduling and supply chain decisions for the clients they support. The role They're looking for a Senior Data Scientist with a passion for optimisation and operations research to help take the platform to the next level. There is a strong focus on mathematical modelling and utilising ML and … models and optimisers (beyond standard ML approaches) Evolve the existing optimiser into a scalable, production-ready system Write production-quality Python code and collaborate closely with engineers and other data scientists Mentor and coach junior data scientists whilst maintaining best practice. What they're looking for Strong Python skills (critical) Hands-on experience with optimisation/operations research More ❯

Senior Data Scientist (Optimisation) Hybrid (Av. 2 days office pw) | London 📍 £80k–£90k + Share options + Additional benefits The business This is a fast-growing AI technology company of around 15 people, building cutting-edge predictive and optimisation solutions for real-world operational challenges. The data team you'll be joining is at the centre … of their platform which powers smarter workforce planning, scheduling and supply chain decisions for the clients they support. The role They're looking for a Senior Data Scientist with a passion for optimisation and operations research to help take the platform to the next level. There is a strong focus on mathematical modelling and utilising ML and … models and optimisers (beyond standard ML approaches) Evolve the existing optimiser into a scalable, production-ready system Write production-quality Python code and collaborate closely with engineers and other data scientists Mentor and coach junior data scientists whilst maintaining best practice. What they're looking for Strong Python skills (critical) Hands-on experience with optimisation/operations research More ❯

Senior Data Scientist (Optimisation) Hybrid (Av. 2 days office pw) | London 📍 £80k–£90k + Share options + Additional benefits The business This is a fast-growing AI technology company of around 15 people, building cutting-edge predictive and optimisation solutions for real-world operational challenges. The data team you'll be joining is at the centre … of their platform which powers smarter workforce planning, scheduling and supply chain decisions for the clients they support. The role They're looking for a Senior Data Scientist with a passion for optimisation and operations research to help take the platform to the next level. There is a strong focus on mathematical modelling and utilising ML and … models and optimisers (beyond standard ML approaches) Evolve the existing optimiser into a scalable, production-ready system Write production-quality Python code and collaborate closely with engineers and other data scientists Mentor and coach junior data scientists whilst maintaining best practice. What they're looking for Strong Python skills (critical) Hands-on experience with optimisation/operations research More ❯

Senior Data Scientist (Optimisation) Hybrid (Av. 2 days office pw) | London 📍 £80k–£90k + Share options + Additional benefits The business This is a fast-growing AI technology company of around 15 people, building cutting-edge predictive and optimisation solutions for real-world operational challenges. The data team you'll be joining is at the centre … of their platform which powers smarter workforce planning, scheduling and supply chain decisions for the clients they support. The role They're looking for a Senior Data Scientist with a passion for optimisation and operations research to help take the platform to the next level. There is a strong focus on mathematical modelling and utilising ML and … models and optimisers (beyond standard ML approaches) Evolve the existing optimiser into a scalable, production-ready system Write production-quality Python code and collaborate closely with engineers and other data scientists Mentor and coach junior data scientists whilst maintaining best practice. What they're looking for Strong Python skills (critical) Hands-on experience with optimisation/operations research More ❯

Senior Data Scientist Ai ML Python MML Japanese & English Speaking Working Pattern: Hybrid (12 days per week in office) Location: London The Data Science function plays a pivotal role in delivering advanced Artificial Intelligence capabilities across the organisation. This position focuses on designing, developing, and deploying production-grade machine learning solutions while contributing to the strategic … advanced machine learning models and algorithms into production. Lead technical development within cross-functional teams, providing guidance on ML solution design and implementation. Translate business problems into clearly defined data science solutions and deliver end-to-end ML pipelines. Support proof-of-value initiatives and contribute to product roadmap development from a Data Science perspective. Drive continuous improvement … within the Data Science function and promote best practices in model development and deployment. Stay current with emerging research, tools, and trends in Artificial Intelligence. ---------------------------------------- Skills, Knowledge, and Experience Strong proficiency in Python and experience writing scalable, production-ready code. Hands-on experience with PyTorch, Transformer architectures, and Large Language Models (LLMs). Demonstrated success delivering Computer Vision and More ❯

Senior Data Scientist - Manchester or London We are working on an exciting role with a scale up SaaS company who are seeking a Senior Data Scientist in Manchester or London. The Role We're seeking a skilled professional with a background in data science and machine learning to contribute to the development of … reliability of ML systems Skills Required Proven experience with ML in production environments Strong skills in Python, SQL, and AWS (SageMaker, Lambda, etc.) Familiarity with MLOps and real-time data applications A pragmatic mindset and strong problem-solving ability Background in adtech or fraud detection is a bonus Desired Skills and Experience Data Science, Machine Learning, Python, Deployment More ❯

Senior Data Scientist - Manchester or London We are working on an exciting role with a scale up SaaS company who are seeking a Senior Data Scientist in Manchester or London. The Role We're seeking a skilled professional with a background in data science and machine learning to contribute to the development of … reliability of ML systems Skills Required Proven experience with ML in production environments Strong skills in Python, SQL, and AWS (SageMaker, Lambda, etc.) Familiarity with MLOps and real-time data applications A pragmatic mindset and strong problem-solving ability Background in adtech or fraud detection is a bonus Desired Skills and Experience Data Science, Machine Learning, Python, Deployment More ❯

Senior Data Scientist - Manchester or London We are working on an exciting role with a scale up SaaS company who are seeking a Senior Data Scientist in Manchester or London. The Role We're seeking a skilled professional with a background in data science and machine learning to contribute to the development of … reliability of ML systems Skills Required Proven experience with ML in production environments Strong skills in Python, SQL, and AWS (SageMaker, Lambda, etc.) Familiarity with MLOps and real-time data applications A pragmatic mindset and strong problem-solving ability Background in adtech or fraud detection is a bonus Desired Skills and Experience Data Science, Machine Learning, Python, Deployment More ❯

Senior Data Scientist (Optimisation) Hybrid (2/3 office split) | London £80k–£90k + Share options + Additional benefits The business This is a fast-growing AI technology company of around 15 people, building cutting-edge predictive and optimisation solutions for real-world operational challenges. The data team you'll be joining is at the centre … of their platform which powers smarter workforce planning, scheduling and supply chain decisions for the clients they support. The role They're looking for a Senior Data Scientist with a passion for optimisation and operations research to help take the platform to the next level. There is a strong focus on mathematical modelling and utilising ML and … models and optimisers (beyond standard ML approaches) Evolve the existing optimiser into a scalable, production-ready system Write production-quality Python code and collaborate closely with engineers and other data scientists What they're looking for Strong Python skills (critical) Hands-on experience with optimisation/operations research/mathematical modelling Background in supply chain or workforce planning (desirable More ❯