1 to 25 of 28 Permanent Senior Data Scientist Jobs in the South East

Lead Data Scientist LondonPrivate Equity£140,000 - £150,000 + benefits Harnham is working with a tech firm in the Private Equity space and hiring a few positions across Data Science, Machine Learning Engineering and Data Engineering. The company have an impressive founding team and hold a strong reputation within the Data & AI and Private … purpose of creating value. Often working in ambiguous and greenfield environments, you will collaborate with a strong team of technical people across multiple industries to solve complex commercial and data problems, delivering key data science initiatives that drive performance and revenue. In this role you will lead the technical teams that deliver value. The Role - Lead Data Scientist You will be: Working on multiple engagements within portfolio companies across various different industry sectors Delivering key Data Science/AI initiatives that drive value for customers. Shaping how projects are delivered, driving performance and working closely with C-level execs. Providing technical leadership across the business, with a focus on end-to-end machine learning More ❯

Senior Data Scientist London – Hybrid Up to £80,000 + Benefits About the Role Join a fast-scaling AI-first SaaS company that’s helping major consumer brands turn first-party data into real commercial value. As a Senior Data Scientist, you’ll own the end-to-end delivery of machine learning models … customer segmentation, and commercial uplift—delivering solutions that are accurate, explainable, and production-ready. Key Responsibilities Build machine learning models for forecasting, propensity scoring, and segmentation Own workflows from data wrangling and feature engineering through to deployment and monitoring Operationalise models using MLOps tools in a cloud-native environment Architect datasets by merging structured and semi-structured data … clients to align models with business needs Present insights in a clear, creative, and commercially relevant way Contribute to best practices in experimentation, reproducibility, and code quality Mentor junior data scientists and support the growth of the team We’re looking for someone with: 3–5 years’ experience in a Data Science, AI, or ML-related role Experience More ❯

Senior Data Scientist London – Hybrid Up to £80,000 + Benefits About the Role Join a fast-scaling AI-first SaaS company that’s helping major consumer brands turn first-party data into real commercial value. As a Senior Data Scientist, you’ll own the end-to-end delivery of machine learning models … customer segmentation, and commercial uplift—delivering solutions that are accurate, explainable, and production-ready. Key Responsibilities Build machine learning models for forecasting, propensity scoring, and segmentation Own workflows from data wrangling and feature engineering through to deployment and monitoring Operationalise models using MLOps tools in a cloud-native environment Architect datasets by merging structured and semi-structured data … clients to align models with business needs Present insights in a clear, creative, and commercially relevant way Contribute to best practices in experimentation, reproducibility, and code quality Mentor junior data scientists and support the growth of the team We’re looking for someone with: 3–5 years’ experience in a Data Science, AI, or ML-related role Experience More ❯

Senior Data Scientist Up to £80,000 + 15% bonus Hybrid – 3 days per week in office (London) We’ve partnered with an innovative Data Start-up who are looking to hire a passionate Senior Data Scientist. This consultancy provides innovative SAAS and AI solutions to their household name clients and is an excellent … Experience with building machine learning models and deploying at scale 2:1 or above in Mathematics or STEM Degree from a Top UK university 3 years' experience in a Data Scientist or relevant field Interview Process: SQL and Python Test Technical interview (1 hour) In person Team Fit (2 hours More ❯

Senior Data Scientist Up to £80,000 + 15% bonus Hybrid – 3 days per week in office (London) We’ve partnered with an innovative Data Start-up who are looking to hire a passionate Senior Data Scientist. This consultancy provides innovative SAAS and AI solutions to their household name clients and is an excellent … Experience with building machine learning models and deploying at scale 2:1 or above in Mathematics or STEM Degree from a Top UK university 3 years' experience in a Data Scientist or relevant field Interview Process: SQL and Python Test Technical interview (1 hour) In person Team Fit (2 hours More ❯

Senior Data Scientist Up to £80,000 + 15% bonus Hybrid – 3 days per week in office (London) We’ve partnered with an innovative Data Start-up who are looking to hire a passionate Senior Data Scientist. This consultancy provides innovative SAAS and AI solutions to their household name clients and is an excellent … Experience with building machine learning models and deploying at scale 2:1 or above in Mathematics or STEM Degree from a Top UK university 3 years' experience in a Data Scientist or relevant field Interview Process: SQL and Python Test Technical interview (1 hour) In person Team Fit (2 hours More ❯

Data Scientist – Quantitative Hybrid (3 days in London office) | Full-time | Permanent You need to have a core background in statistical analysis of survey data and experience of working in a research agency. An exciting opportunity has opened up at a fast-growing insight and strategy consultancy for an experienced Data Scientist to lead the … development of their in-house data science capabilities. This is a newly created role where you'll shape the future of how the team integrates advanced analytics, diverse datasets, and machine learning into high-impact client projects across sectors such as media, tech, and entertainment. You’ll be joining a collaborative, supportive environment with around 60 consultants, strategists, and … analysts – all passionate about delivering actionable insight and tackling complex questions. The consultancy is known for its bespoke, high-quality approach and is now expanding into deeper data-led offerings. The Role This is a hands-on, strategic position reporting into a senior leader within the Quant team. You'll work across a mix of project delivery, innovation More ❯

Data Scientist – Quantitative Hybrid (3 days in London office) | Full-time | Permanent You need to have a core background in statistical analysis of survey data and experience of working in a research agency. An exciting opportunity has opened up at a fast-growing insight and strategy consultancy for an experienced Data Scientist to lead the … development of their in-house data science capabilities. This is a newly created role where you'll shape the future of how the team integrates advanced analytics, diverse datasets, and machine learning into high-impact client projects across sectors such as media, tech, and entertainment. You’ll be joining a collaborative, supportive environment with around 60 consultants, strategists, and … analysts – all passionate about delivering actionable insight and tackling complex questions. The consultancy is known for its bespoke, high-quality approach and is now expanding into deeper data-led offerings. The Role This is a hands-on, strategic position reporting into a senior leader within the Quant team. You'll work across a mix of project delivery, innovation More ❯

Data Scientist – Quantitative Hybrid (3 days in London office) | Full-time | Permanent You need to have a core background in statistical analysis of survey data and experience of working in a research agency. An exciting opportunity has opened up at a fast-growing insight and strategy consultancy for an experienced Data Scientist to lead the … development of their in-house data science capabilities. This is a newly created role where you'll shape the future of how the team integrates advanced analytics, diverse datasets, and machine learning into high-impact client projects across sectors such as media, tech, and entertainment. You’ll be joining a collaborative, supportive environment with around 60 consultants, strategists, and … analysts – all passionate about delivering actionable insight and tackling complex questions. The consultancy is known for its bespoke, high-quality approach and is now expanding into deeper data-led offerings. The Role This is a hands-on, strategic position reporting into a senior leader within the Quant team. You'll work across a mix of project delivery, innovation More ❯

Senior Data Scientist £75000 GBP Onsite WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Senior Consultant (SCON) - Data Science - DV Cleared Location: London, Bristol, Manchester Clearance: MOD DV Senior Consultants are delivery leads and technical architects. You'll shape solutions, manage teams, and drive innovation across defence programmes. This role blends leadership … with hands-on expertise in secure data environments. Key Responsibilities Own delivery of high-impact data science projects Lead multidisciplinary teams and mentor emerging talent Design scalable, deployable models for defence applications Influence senior stakeholders and contribute to strategic direction Requirements Active DV clearance 4+ years in data science, ideally in defence or consulting Proven leadership More ❯

About the Opportunity: We are seeking a Data Scientist with 4+ years of experience to lead the Data Science team for a fast-growing technology company. You’ll work on large, complex datasets to uncover behavioural patterns, build predictive models, and drive data-led strategies that directly influence product and business decisions. What You’ll Be … Doing: Designing and deploying predictive models, machine learning solutions, and advanced statistical analyses Executing end-to-end data science workflows: from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and ML techniques to identify insights from millions of behavioural data points Working closely with product and business teams to translate findings into actionable outcomes … Measuring and improving platform and product performance through experimentation and analytics What We’re Looking For: 4+ years of experience in a Data Scientist or applied analytics role Proficiency in SQL and strong programming skills (Python, R, or similar) Hands-on experience with machine learning, predictive modelling, regression, hypothesis testing, and time-series analysis Ability to manage and More ❯

About the Opportunity: We are seeking a Data Scientist with 4+ years of experience to lead the Data Science team for a fast-growing technology company. You’ll work on large, complex datasets to uncover behavioural patterns, build predictive models, and drive data-led strategies that directly influence product and business decisions. What You’ll Be … Doing: Designing and deploying predictive models, machine learning solutions, and advanced statistical analyses Executing end-to-end data science workflows: from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and ML techniques to identify insights from millions of behavioural data points Working closely with product and business teams to translate findings into actionable outcomes … Measuring and improving platform and product performance through experimentation and analytics What We’re Looking For: 4+ years of experience in a Data Scientist or applied analytics role Proficiency in SQL and strong programming skills (Python, R, or similar) Hands-on experience with machine learning, predictive modelling, regression, hypothesis testing, and time-series analysis Ability to manage and More ❯

About the Opportunity: We are seeking a Data Scientist with 4+ years of experience to lead the Data Science team for a fast-growing technology company. You’ll work on large, complex datasets to uncover behavioural patterns, build predictive models, and drive data-led strategies that directly influence product and business decisions. What You’ll Be … Doing: Designing and deploying predictive models, machine learning solutions, and advanced statistical analyses Executing end-to-end data science workflows: from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and ML techniques to identify insights from millions of behavioural data points Working closely with product and business teams to translate findings into actionable outcomes … Measuring and improving platform and product performance through experimentation and analytics What We’re Looking For: 4+ years of experience in a Data Scientist or applied analytics role Proficiency in SQL and strong programming skills (Python, R, or similar) Hands-on experience with machine learning, predictive modelling, regression, hypothesis testing, and time-series analysis Ability to manage and More ❯

SENIOR PRICING DATA SCIENTIST £80,000 LONDON Really exciting role here with a small and dynamic Insurtech who are going through an exciting period of change. This role offers the chance to work on their end-to-end model process, working in a fast-paced and challenging environment where you can take ownership for business performance. THE … predictive models using Python and Machine Learning techniques Work on end-to-end ownership of these models, including work on implementation, deployment and enhancement Analyse large sets of customer data to drive insight and commercial performance Share insight with the wider team and helping to improve profitability across the business on ad hoc project work YOUR SKILLS AND EXPERIENCE More ❯

New Role: Data Science Engineer (LLM Focus) Salary: £55,000-£75,000 + share options Hybrid/Remote: Flexible but with regular London meetings? Location: UK-based (preferably London) We're looking for a Data Science Engineer to join a fast-moving team working on NLP pipelines and data at scale. This is a great opportunity for … someone passionate about impactful data work and modern AI tools. What We're Looking For: 1+ years' experience in data science or engineering.? Strong Python skills and experience with LLMs/NLP.? Experience building scalable data pipelines.? Bonus: GCP, Docker, geospatial data, Postgres/PostGIS If you're a hands-on data scientist/… from you. Interested? Apply now! Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website. More ❯

Lead Data Scientist - ML Focused Hybrid- UK Up to £90,000 + Benefits About the Role We're hiring a Lead Data Scientist to join a fast-growing, specialist data consultancy delivering high-impact solutions across sectors such as energy, public sector, manufacturing, and health. You'll play a key role in solving complex challenges … client-facing capacity. This is a leadership position, ideal for someone who thrives in a consultancy environment and wants to deliver real-world impact. Key Responsibilities Design and deliver data science solutions end-to-end, from discovery through deployment. Lead project teams, mentor junior colleagues, and manage delivery standards across multiple workstreams. Communicate complex findings clearly to senior stakeholders and clients. Support business development through proposal writing and pre-sales work. We're looking for someone with: Proven experience delivering data science projects in a consultancy setting. Strong Python skills with experience in ML or GenAI (e.g. LLMs, prompt engineering, optimisation). Excellent communication and stakeholder management abilities. A track record of managing teams and shaping More ❯

Lead Data Scientist – Credit Risk/Pricing A fast-growing fintech is searching for a Lead Data Scientist to spearhead their next phase of AI and analytics innovation. You’ll combine hands-on modelling with leadership responsibilities, guiding a small team while shaping the company’s long-term data science strategy. This role will put … in credit, fraud and pricing modelling. Advanced skills in Python, SQL, and ML frameworks. Proven ability to design, deploy, and monitor models in production. Leadership experience - mentoring or managing data science teams. Confidence in regulated environments: model governance, monitoring. Excellent communicator who can influence senior stakeholders. The Opportunity Lead and develop a small data science team. Build … and enhance credit risk, fraud, and pricing models. Explore and implement advanced ML techniques. Translate complex analytics into clear recommendations for senior leadership. Act as the organisation’s AI/ML thought leader, keeping ahead of emerging trends. More ❯

Lead Data Scientist – Credit Risk/Pricing A fast-growing fintech is searching for a Lead Data Scientist to spearhead their next phase of AI and analytics innovation. You’ll combine hands-on modelling with leadership responsibilities, guiding a small team while shaping the company’s long-term data science strategy. This role will put … in credit, fraud and pricing modelling. Advanced skills in Python, SQL, and ML frameworks. Proven ability to design, deploy, and monitor models in production. Leadership experience - mentoring or managing data science teams. Confidence in regulated environments: model governance, monitoring. Excellent communicator who can influence senior stakeholders. The Opportunity Lead and develop a small data science team. Build … and enhance credit risk, fraud, and pricing models. Explore and implement advanced ML techniques. Translate complex analytics into clear recommendations for senior leadership. Act as the organisation’s AI/ML thought leader, keeping ahead of emerging trends. More ❯

Lead Data Scientist – Credit Risk/Pricing A fast-growing fintech is searching for a Lead Data Scientist to spearhead their next phase of AI and analytics innovation. You’ll combine hands-on modelling with leadership responsibilities, guiding a small team while shaping the company’s long-term data science strategy. This role will put … in credit, fraud and pricing modelling. Advanced skills in Python, SQL, and ML frameworks. Proven ability to design, deploy, and monitor models in production. Leadership experience - mentoring or managing data science teams. Confidence in regulated environments: model governance, monitoring. Excellent communicator who can influence senior stakeholders. The Opportunity Lead and develop a small data science team. Build … and enhance credit risk, fraud, and pricing models. Explore and implement advanced ML techniques. Translate complex analytics into clear recommendations for senior leadership. Act as the organisation’s AI/ML thought leader, keeping ahead of emerging trends. More ❯

agility, innovation, and rapid iteration, this tech-driven organisation thrives on moving fast, learning quickly, and pivoting when needed. As they continue to scale, they're investing heavily in data and AI to drive smarter decision-making and product innovation. Your new role As Lead Data Scientist, you'll take ownership of a small but growing data team, currently consisting of two Analysts and one Data Scientist. Reporting directly to the CTO, you'll be responsible for shaping the data science strategy, implementing scalable processes, and delivering impactful insights across the business. You'll work hands-on with machine learning, AI, and LLMs to solve complex problems, while also mentoring your team and engaging … with senior stakeholders to align data initiatives with business goals. What you'll need to succeed Proven experience in a senior or lead data science role Strong hands-on skills in Python and SQL Solid experience with Machine Learning, AI, and Large Language Models (LLMs) Previous people management experience (ideally managing Analysts/Data Scientists More ❯

into building the ML stack, partnered with leading universities, and trained models on millions of expert-tagged images. Now, they’re scaling globally — and need a world-class Lead Data Scientist to help push the boundaries of computer vision, video analysis, and multimodal LLMs while solving real-world challenges. Role Overview They are looking for an experienced Lead … Data Scientist to spearhead machine-learning initiatives, with particular focus on computer vision, large language models, and production ready ML pipelines in Azure. You will act as the technical lead for the team, setting direction, guiding best practices, and ensuring the successful delivery of high-impact AI solutions. Key Responsibilities · Develop, train, and deploy computer vision models (object … evaluate, and productionise multi-modal LLMs for business applications. · Drive experimentation and prototyping of advanced ML/AI techniques · Provide technical direction, mentoring, and hands-on guidance to the data science team. · Work with engineering, product, and business stakeholders to align ML strategy with business goals. · Architect and productionise end-to-end ML pipelines on Azure, while ensuring scalability More ❯

Lead Data Scientist £100000 GBP Onsite WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Principal Consultant (PC) - Data Science - DV Cleared Location: London, Bristol, Manchester Clearance: MOD DV Principal Consultants set the vision and lead transformation. You'll define strategy, build trusted relationships with senior defence stakeholders, and lead high-performing teams delivering mission … critical data science solutions. Key Responsibilities Shape and deliver strategic data science programmes Lead client engagements and influence policy-level decisions Build internal capability and mentor future leaders Represent the consultancy at the forefront of defence innovation Requirements Active DV clearance 6+ years in data science, with leadership experience Deep understanding of defence data and secure More ❯

Principal Data Scientist Up to £150,000 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 ❯

Principal Data Scientist Up to £150,000 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 ❯

Principal Data Scientist Up to £150,000 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 ❯