Senior Data Scientist Job Vacancies

426 to 450 of 466 Senior Data Scientist Jobs

Principal Data Scientist - AI

London, England, United Kingdom
Hybrid / WFH Options
Opus 2
We're looking for a Principal Data Scientist to lead the design of AI systems that can support complex, multi-step tasks, use tools, adapt to context, and make intelligent decisions. You'll work closely with product and engineering to architect LLM-powered features that are robust, useful, and production-ready not just impressive demos. This role is … ideal for someone who not only understands data and AI deeply but also brings strong software engineering instincts. Someone who can design intelligent systems that operate reliably and scalably within a complex product environment. What you'll be doing You will explore and implement RAG or Graph RAG approaches to improve retrieval quality and reasoning in LLM workflows, including … to reason about multi-hop question answering, graph traversal, and integrating structured retrieval with LLM prompts. Performance over time. 5+ years experience in applied AI, machine learning systems, or data science roles with production responsibility. Proficiency in Python, with experience building and maintaining AI systems, not just analyses. Experience working in Java or TypeScript environments beneficial. Experience with Claude More ❯
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Principal Data Scientist

United Kingdom
Hybrid / WFH Options
Made Tech Limited
Our Principal Data Scientists are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients. We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership and a clear vision of lasting and effective change in a public sector environment. … We expect our Principal Data Scientist to bring all of that and enthuse our delivery teams with the same passion. The successful candidate will lead the Data Science aspects of our client engagements while overseeing the wider delivery within the account (or industry) when appropriate. They will coach and develop team members on their engagements providing them … with detailed performance feedback, as well as monitoring overall delivery to achieve the highest levels of client satisfaction. In addition, our Principal Data Scientists are responsible for engaging with our clients to understand their challenges and build lasting, trusted advisor relationships. They will also oversee multiple, concurrent client deliveries to help ensure quality and drive the sharing of best More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Data Scientist

London, England, United Kingdom
Hybrid / WFH Options
Made Tech Limited
Our Principal Data Scientists are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients. We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership and a clear vision of lasting and effective change in a public sector environment. … We expect our Principal Data Scientist to bring all of that and enthuse our delivery teams with the same passion. The successful candidate will lead the Data Science aspects of our client engagements while overseeing the wider delivery within the account (or industry) when appropriate. They will coach and develop team members on their engagements providing them … with detailed performance feedback, as well as monitoring overall delivery to achieve the highest levels of client satisfaction. In addition, our Principal Data Scientists are responsible for engaging with our clients to understand their challenges and build lasting, trusted advisor relationships. They will also oversee multiple, concurrent client deliveries to help ensure quality and drive the sharing of best More ❯
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Senior Data Scientist PhD - Canary Wharf

London, United Kingdom
Jas Gujral
Senior Data Scientist PhD - Canary Wharf We urgently require a Senior Data Scientist with at least 5 to 10 years proven track record as Data Scientist. Must have a PhD ideally in Maths or Physics and an excellent understanding of data analytics. The Client would also like to see experience of managing … and leading a team of Data Scientists. Should have experience of SCALA/SPARK and Hadoop. Initially this is a 3 month contract assignment in Canary Wharf - with likelihood that it will go on beyond that point. Location is Canary Wharf London. Please send your CV to us in Word format along with daily rate. More ❯
Employment Type: Permanent
Salary: GBP Annual
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Senior Data Scientist PhD - Canary Wharf

Canary Wharf, Greater London, England
Nexus Jobs Limited
Senior Data Scientist PhD ?" Canary Wharf We urgently require a Senior Data Scientist with at least 5 to 10 years proven track record as Data Scientist. Must have a PhD ideally in Maths or Physics and an excellent understanding of data analytics. The Client would also like to see experience of managing … and leading a team of Data Scientists. Should have experience of SCALA/SPARK and Hadoop. Initially this is a 3 month contract assignment in Canary Wharf ?" with likelihood that it will go on beyond that point. Location is Canary Wharf London. Please send your CV to us in Word format along with daily rate. More ❯
Employment Type: Permanent
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Senior Data Scientist

Edinburgh, Scotland, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Data Scientist – 5 Month Contract Spinks are partnered with a leading UK Consultancy who are looking for an experienced Data Scientist to join on an exciting project in the early stages of its journey. This project works closely with a leading Entertainment platform, aiming to … improve and optimise the search engine function. You will work with other Data Scientists to build and optimise ML Models that improve the accuracy and efficiency of the search engine. Experience in a similar project is extremely beneficial for this position. Python, AWS, Sage Maker, A/B Testing AI/ML Search Engine projects Effective communication & working under More ❯
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Senior Data Scientist

Cheltenham, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Data Scientist – 5 Month Contract Spinks are partnered with a leading UK Consultancy who are looking for an experienced Data Scientist to join on an exciting project in the early stages of its journey. This project works closely with a leading Entertainment platform, aiming to … improve and optimise the search engine function. You will work with other Data Scientists to build and optimise ML Models that improve the accuracy and efficiency of the search engine. Experience in a similar project is extremely beneficial for this position. Python, AWS, Sage Maker, A/B Testing AI/ML Search Engine projects Effective communication & working under More ❯
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Senior Data Scientist

Southampton, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Data Scientist – 5 Month Contract Spinks are partnered with a leading UK Consultancy who are looking for an experienced Data Scientist to join on an exciting project in the early stages of its journey. This project works closely with a leading Entertainment platform, aiming to … improve and optimise the search engine function. You will work with other Data Scientists to build and optimise ML Models that improve the accuracy and efficiency of the search engine. Experience in a similar project is extremely beneficial for this position. Python, AWS, Sage Maker, A/B Testing AI/ML Search Engine projects Effective communication & working under More ❯
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Senior Data Scientist - London - Hybrid Working

London Area, United Kingdom
Hybrid / WFH Options
Oliver Bernard
Senior Data Scientist - London - Hybrid Working Salaries - £75 - 100k Central London - 2 - 3 days onsite The client A leading online travel company, this business specialises in affordable, flexible holiday packages by combining low-cost flights with a wide range of hotel options. They operate primarily as a digital platform, allowing customers to tailor their trips easily, with … at production scale. Good understanding of SQL. Experience with Deep Learning. Happy leading end-to-end projects. Knowledge of GCP is nice-to-have. If you are a passionate data scientist, who enjoys solving challenging problems in a fast-paced environment then this could be a great fit. Join the team to make a difference today. London … days onsite Salaries - £75 - 100k Senior Data Scientist - ML, Python, SQL, PyTorch, TensorFlow, GCP If this is of interest please apply or reach out to will.semple@oliverbernard.com. More ❯
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Senior Data Scientist - London - Hybrid Working

City of London, London, United Kingdom
Hybrid / WFH Options
Oliver Bernard
Senior Data Scientist - London - Hybrid Working Salaries - £75 - 100k Central London - 2 - 3 days onsite The client A leading online travel company, this business specialises in affordable, flexible holiday packages by combining low-cost flights with a wide range of hotel options. They operate primarily as a digital platform, allowing customers to tailor their trips easily, with … at production scale. Good understanding of SQL. Experience with Deep Learning. Happy leading end-to-end projects. Knowledge of GCP is nice-to-have. If you are a passionate data scientist, who enjoys solving challenging problems in a fast-paced environment then this could be a great fit. Join the team to make a difference today. London … days onsite Salaries - £75 - 100k Senior Data Scientist - ML, Python, SQL, PyTorch, TensorFlow, GCP If this is of interest please apply or reach out to will.semple@oliverbernard.com. More ❯
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Senior Data Scientist - London - Hybrid Working

Slough, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Senior Data Scientist - London - Hybrid Working Client: Oliver Bernard Location: Slough, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 6 Posted: 26.06.2023 Expiry Date: 10.08.2023 Job Description: Senior Data Scientist - London - Hybrid Working Location: Central London - 2 to 3 days onsite Client: A leading online travel company specializing in affordable … at production scale Good understanding of SQL Experience with Deep Learning Ability to lead end-to-end projects Knowledge of GCP (nice-to-have) If you are passionate about data science and enjoy solving challenging problems in a fast-paced environment, this could be a great fit. Join the team to make a difference today. Location: London - 2 to More ❯
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Senior Data Scientist (Recommender Systems)

London, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Data Scientist (Recommender Systems), London Client: Xcede Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 28.04.2025 Expiry Date: 12.06.2025 Job Description: Senior Data Scientist - Recommendation Systems London, 3 days in the office per week Xcede is … Recommender System that powers the company's core platform. Contribute to defining the company's Product strategy by creating impactful tools for customers/members. Mentor junior engineering and data science team members. Requirements Strong academic background in Statistics, Computer Science, or related fields. Experience in developing and deploying recommendation engines in a commercial setting. Excellent skills in Machine More ❯
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Senior Data Scientist (Recommender Systems)

Slough, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Data Scientist (Recommender Systems), slough col-narrow-left Client: Xcede Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Data Scientist - Recommendation Systems London x3 … the Recommender System that powers the company's core platform. Help to define the company's Product strategy through creating impactful tools for customers/members. Mentor junior engineering & data science hires. Requirements Strong academic background in a relevant field (Statistics, Computer Science, etc.) Years of commercial experience working on and deploying recommendation engines Excellent Machine Learning and Deep More ❯
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Contract Senior Data Scientist - Econometrics & Advanced Attribution

London, United Kingdom
Hybrid / WFH Options
Datatech Analytics
Contract - Senior Data Scientist - Econometrics & Advanced Attribution Initial project commitment: 10 days per month/1 year Location: London/Hybrid - UK remote possible Type: Part time/Contract Day Rate: Outside IR35 Job Reference: J12972 About the Company Our client is a fast-growing Data Science, Machine Learning, and AI Consultancy supporting leading private equity … firms and high-growth businesses in the UK and Europe. Their work includes strategic data science, AI product development, and long-term technology partnerships. They aim to evolve into the UK's first data-native investment firm, raising their own fund and co-investing with private equity partners using advanced analytics and AI to drive returns. Projects range … from bespoke consulting and modelling to scalable AI solutions in marketing, operations, and investment analytics. The Role Seeking a Senior Data Scientist with expertise in econometrics and advanced attribution modelling to lead a key client engagement with a prominent education business. Responsibilities include end-to-end ownership of Marketing Mix Modelling (MMM), working with senior stakeholders More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Data Scientist (Recommender Systems)

London, England, United Kingdom
ZipRecruiter
Job Description Senior Data Scientist - Recommendation Systems London x3 days in office Xcede are delighted to be partnering with a very exciting scale-up. The company is operating on a need-to-know basis right now, so if you want to learn more about this one please get in touch! Responsibilities Help to build the Recommender System … that powers the company's core platform. Help to define the company's Product strategy through creating impactful tools for customers/members. Mentor junior engineering & data science hires. Requirements Strong academic background in a relevant field (Statistics, Computer Science, etc.) Years of commercial experience working on and deploying recommendation engines Excellent Machine Learning and Deep Learning skills Experience More ❯
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Principal Applied Data Scientist

London, England, United Kingdom
RELX Group plc
and developing novel materials in ever more sustainable ways. We enable evidence-based decision making and improved productivity through our unique expertise in curating, enriching, integrating and harmonizing scientific data assets. Our team values trust, respect, collaboration, agility, and quality. About the role The Principal Data Scientist will drive fast-moving Proof of Concepts (PoCs) and collaborate … closely with both commercial and other data science teams to gather customer feedback, shape technology strategy and take responsibility for the design and delivery of AI solutions. This role forms part of the CM Architecture & Innovation team, reporting to the Senior Director. Responsibilities: Collaboration: Connect across Elsevier to understand current data science, technology, and data capabilities. … Engage across the Corporate Markets Business Unit to understand business goals and identify opportunities to collaborate. Innovation: Innovate hands-on with solution experiments and PoCs using diverse technologies and data science methods. Form short-lived, cross-functional teams to validate ideas with customers and inform strategy and roadmaps. Delivery: As a technology leader, work with Product, Data Science More ❯
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Lead Data Engineer/Scientist

Manchester, North West, United Kingdom
Hybrid / WFH Options
We Are Dcoded Limited
Lead Data Engineer/Scientist Python, AI, LLM Remote First Lead Data Engineer/Scientist Salary: £85,000 Location: Fully Remote (UK-Based Only) dcoded. is proud to be working on behalf of a trailblazing organisation operating at the forefront of data, AI, and large language model (LLM) innovation. We're searching for a Lead … Data Engineer/Scientist to take on a pivotal leadership and technical role, helping shape and deliver cutting-edge AI and data solutions. This role is all about balance: deep technical know-how with strategic leadership. Youll lead engineering efforts, shape data architecture, mentor multi-disciplinary teams, and stay ahead of emerging AI trends particularly in … on experience with LLMs, embeddings, vector databases, or NLP Proven track record of technical team leadership and delivery ownership Passion for AI innovation and solving real-world challenges through data Youll be joining a remote-first, high-impact team where autonomy and technical excellence are the norm. The business is growing fast and looking for someone ready to lead More ❯
Employment Type: Permanent, Work From Home
Salary: £85,000
Posted:

Principal Data Scientist

City of London, London, United Kingdom
Harnham
Principal 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 ❯
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Principal Data Scientist

London Area, United Kingdom
Harnham
Principal 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 ❯
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Lead Data Scientist

London Area, United Kingdom
Harnham
Lead Data Scientist – Competitions team London – Hybrid Up to £80,000 About the Role We’re working with one of Europes largest media businesses as they look to expand a best-in-class data function. They’re now hiring a Lead Data Scientist to join their Competitions team - a high-impact, fast-moving group focused … on driving listener engagement, participation, and revenue through interactive competitions and consumer promotions. Role: Lead full-lifecycle data science projects within the Competitions domain — from discovery and modelling to deployment and business adoption. Design and implement models to forecast participation, optimise pricing and prize strategies, and segment audiences based on engagement patterns. Work closely with stakeholders in Consumer Promotions … modelling into how the team runs campaigns and measures impact. Support the team with clear, explainable insights that can inform creative, operational, and compliance decisions. Mentor analysts and junior data scientists, and contribute to the wider data science capability across the business. Write clean, well-documented Python and SQL code, and collaborate with engineering teams to productionise models More ❯
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Lead Data Scientist

City of London, London, United Kingdom
Harnham
Lead Data Scientist – Competitions team London – Hybrid Up to £80,000 About the Role We’re working with one of Europes largest media businesses as they look to expand a best-in-class data function. They’re now hiring a Lead Data Scientist to join their Competitions team - a high-impact, fast-moving group focused … on driving listener engagement, participation, and revenue through interactive competitions and consumer promotions. Role: Lead full-lifecycle data science projects within the Competitions domain — from discovery and modelling to deployment and business adoption. Design and implement models to forecast participation, optimise pricing and prize strategies, and segment audiences based on engagement patterns. Work closely with stakeholders in Consumer Promotions … modelling into how the team runs campaigns and measures impact. Support the team with clear, explainable insights that can inform creative, operational, and compliance decisions. Mentor analysts and junior data scientists, and contribute to the wider data science capability across the business. Write clean, well-documented Python and SQL code, and collaborate with engineering teams to productionise models More ❯
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Lead Data Scientist

London Area, United Kingdom
Hybrid / WFH Options
Harnham
LEAD DATA SCIENTIST – CREDIT £90,000 HYBRID – UK This role does not offer sponsorship. This is a fantastic opportunity to lead credit risk decisioning at a fast-growing fintech. You will be the go-to expert for credit strategy, owning model development and deployment, and helping shape the company’s lending performance. THE COMPANY This company is an … ambitious fintech operating in the consumer finance space, providing oversees payments and credit cards. With a strong data-driven culture and a collaborative team structure, they are scaling quickly and investing heavily in their data capabilities to drive better customer and business outcomes. THE ROLE You can expect to be involved in the following day-to-day: Lead … the end-to-end lifecycle of credit and affordability models, from data sourcing to production monitoring. Work with a range of data types, including bureau, open banking, and behavioural data. Own the development and execution of decisioning strategies, including champion/challenger experiments. Analyse portfolio performance and recommend strategic changes based on data insights. Partner with engineering More ❯
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Lead Data Scientist

City of London, London, United Kingdom
Hybrid / WFH Options
Harnham
LEAD DATA SCIENTIST – CREDIT £90,000 HYBRID – UK This role does not offer sponsorship. This is a fantastic opportunity to lead credit risk decisioning at a fast-growing fintech. You will be the go-to expert for credit strategy, owning model development and deployment, and helping shape the company’s lending performance. THE COMPANY This company is an … ambitious fintech operating in the consumer finance space, providing oversees payments and credit cards. With a strong data-driven culture and a collaborative team structure, they are scaling quickly and investing heavily in their data capabilities to drive better customer and business outcomes. THE ROLE You can expect to be involved in the following day-to-day: Lead … the end-to-end lifecycle of credit and affordability models, from data sourcing to production monitoring. Work with a range of data types, including bureau, open banking, and behavioural data. Own the development and execution of decisioning strategies, including champion/challenger experiments. Analyse portfolio performance and recommend strategic changes based on data insights. Partner with engineering More ❯
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Lead Data Scientist

London, South East, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
LEAD DATA SCIENTIST - CREDIT £90,000 HYBRID - UK This role does not offer sponsorship. This is a fantastic opportunity to lead credit risk decisioning at a fast-growing fintech. You will be the go-to expert for credit strategy, owning model development and deployment, and helping shape the company's lending performance. THE COMPANY This company is an … ambitious fintech operating in the consumer finance space, providing oversees payments and credit cards. With a strong data-driven culture and a collaborative team structure, they are scaling quickly and investing heavily in their data capabilities to drive better customer and business outcomes. THE ROLE You can expect to be involved in the following day-to-day: Lead … the end-to-end lifecycle of credit and affordability models, from data sourcing to production monitoring. Work with a range of data types, including bureau, open banking, and behavioural data. Own the development and execution of decisioning strategies, including champion/challenger experiments. Analyse portfolio performance and recommend strategic changes based on data insights. Partner with engineering More ❯
Employment Type: Full-Time
Salary: £80,000 - £100,000 per annum
Posted:

Principal Data Scientist

London, England, United Kingdom
Leeds United
apply: Complete the online applications form using this link: https://forms.office.com/e/FxFGZgxmXy Role Summary The Football Department at Leeds United is working to leverage data to enhance decision making from analysis and recruitment to performance and medicine. We are looking for an individual to build robust pipelines to create a data infrastructure ready … for data science modelling and to support our football platform. Role Responsibilities Data Pipelines & Infrastructure: working with our Football Data Platform Lead, you will maintain and build data pipelines that serve our models, tools and central platform. Data Ingestion: Further develop our central data storage and integrate new data sources Data Standardisation … Leverage SQL to create a standardised layer across our various data types to allow for efficient and scalable data science and analysis. Data Synchronisation: you will enhance integrations between event and tracking datasets Metric Development: you will develop player and team metrics from our event-tracking models Other Responsibilities To take responsibilities for personal performance and the More ❯
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Senior Data Scientist
10th Percentile
£62,000
25th Percentile
£70,000
Median
£85,000
75th Percentile
£90,000
90th Percentile
£97,500