1 to 25 of 54 Principal Data Scientist Jobs in London

Principal Data Scientist – Operational Research, Simulation & ML Join to apply for the Principal Data Scientist – Operational Research, Simulation & ML role at British Airways Principal Data Scientist – Operational Research, Simulation & ML Join to apply for the Principal Data Scientist … inspired to think big and bring your ambition to work every day, which is why, at British Airways the sky is never the limit. Principal Data Scientist – Operational Research, Simulation & ML Optimisation Join the Operational Decision Support (ODS) team at British Airways, where we build and deploy … and embed predictive and prescriptive analytics into production systems to improve operational performance. Collaborate with stakeholders and software engineers to co-develop and deploy data science products in production. Prioritise and manage a portfolio of data science and optimisation projects within an agile delivery model. Translate complex technical More ❯

by RedTech Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Principal Data Scientist - NLP A brilliant opportunity for a Data & AI specialist with strong NLP knowledge to work in an established AI … Machine Learning and Natural Language Processing innovation for the UK Location: London – Hybrid working available - 1 day a week minimum in office Requirements for Principal Data Scientist - NLP: Solid commercial working experience in an AI/ML/NLP role Experience mentoring or leading junior team members … analytical skills Ability to work with autonomy and as part of a team Great communication skills with fluent spoken and written English Responsibilities for Principal Data Scientist - NLP: Working on a range of exciting UK innovation projects responsibilities will include: Take the lead on projects focused on More ❯

Join to apply for the Principal Data Scientist role at RELX 2 weeks ago Be among the first 25 applicants Join to apply for the Principal Data Scientist role at RELX Are you looking to develop your Data Scientist career? Would you … we deliver these results.We are proud to directly support and serve these innovators in their endeavors to better humankind. About The Role As a Principal Data Scientist, you will be a key member of the LNIP Technology Team. Your primary responsibility will be to drive the strategic … vision of Data Science and Machine Learning initiatives across the organization, ensuring alignment with organizational goals. You will lead development teams in research, design, and software development projects, providing direct input to plans, schedules, and methodologies Responsibilities Lead the development and implementation of advanced data analytics and machine More ❯

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 Scientists and Analysts focused on customer and marketing use cases. Build and deploy models that support personalisation, customer segmentation, lifetime value prediction, churn prevention, and marketing attribution. More ❯

Principal Data Scientist - Remote Remote Working - UK Home-based with very occasional travel into the office 52,737 - 66,197 (National Framework) or 58,409- 71,869 (London Framework - if you are London office based or homebased and live within the boundary of the M25) Plus an … those with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating cross-functionally the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstratable experience of Python coding and clouding computing is required coupled with fantastic communication skills to More ❯

Principal Data Scientist Hybrid - London (3 days a week) Up to £80,000 We are working with a household 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 Scientists and Analysts focused on customer and marketing use cases. Build and deploy models that support personalisation, customer segmentation, lifetime value prediction, churn prevention, and marketing More ❯

PRINCIPAL DATA SCIENTIST – HYBRID (London, 3 days a week) £100,000–£125,000+ based on experience THE COMPANY Join a high-impact data science team at a global marketing and customer experience company. As a Principal Data Scientist, you’ll lead the development … still get stuck into code. You’ll partner closely with engineers, strategists, and creatives in a genuinely cross-functional setting. THE ROLE As a Principal Data Scientist, you will: Lead the design, implementation, and deployment of advanced ML solutions across the full stack — from data engineering … steer high-impact projects from ideation to delivery, aligning technical strategy with business objectives Serve as a technical mentor to mid-level and junior data scientists Represent the data science function in client conversations and cross-functional planning Maintain a high bar for clean, testable code and scalable More ❯

PRINCIPAL DATA SCIENTIST – HYBRID (London, 3 days a week) £100,000–£125,000+ based on experience THE COMPANY Join a high-impact data science team at a global marketing and customer experience company. As a Principal Data Scientist, you’ll lead the development … still get stuck into code. You’ll partner closely with engineers, strategists, and creatives in a genuinely cross-functional setting. THE ROLE As a Principal Data Scientist, you will: Lead the design, implementation, and deployment of advanced ML solutions across the full stack — from data engineering … steer high-impact projects from ideation to delivery, aligning technical strategy with business objectives Serve as a technical mentor to mid-level and junior data scientists Represent the data science function in client conversations and cross-functional planning Maintain a high bar for clean, testable code and scalable More ❯

Principal Data Scientist - Remote Remote Working - UK Home-based with very occasional travel into the office £52,737 - £66,197 (National Framework) or £58,409- £71,869 (London Framework – if you are London office based or homebased and live within the boundary of the M25) Plus an … those with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating cross-functionally the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstratable experience of Python coding and clouding computing is required coupled with fantastic communication skills to More ❯

Principal Data Scientist - Remote Remote Working - UK Home-based with very occasional travel into the office £52,737 - £66,197 (National Framework) or £58,409- £71,869 (London Framework – if you are London office based or homebased and live within the boundary of the M25) Plus an … those with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating cross-functionally the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstratable experience of Python coding and clouding computing is required coupled with fantastic communication skills to More ❯

Principal Data Scientist - Remote Remote Working - UK Home-based with very occasional travel into the office £52,737 - £66,197 (National Framework) or £58,409- £71,869 (London Framework – if you are London office based or homebased and live within the boundary of the M25) Plus an … those with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating cross-functionally the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstratable experience of Python coding and clouding computing is required coupled with fantastic communication skills to More ❯

Principal Data Scientist - Remote Remote Working - UK Home-based with very occasional travel into the office £52,737 - £66,197 (National Framework) or £58,409- £71,869 (London Framework – if you are London office based or homebased and live within the boundary of the M25) Plus an … those with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating cross-functionally the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstratable experience of Python coding and clouding computing is required coupled with fantastic communication skills to More ❯

Principal Data Scientist - Remote Remote Working - UK Home-based with very occasional travel into the office £52,737 - £66,197 (National Framework) or £58,409- £71,869 (London Framework – if you are London office based or homebased and live within the boundary of the M25) Plus an … those with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating cross-functionally the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstratable experience of Python coding and clouding computing is required coupled with fantastic communication skills to More ❯

Principal Data Scientist - Remote Remote Working - UK Home-based with very occasional travel into the office £52,737 - £66,197 (National Framework) or £58,409- £71,869 (London Framework – if you are London office based or homebased and live within the boundary of the M25) Plus an … those with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating cross-functionally the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstratable experience of Python coding and clouding computing is required coupled with fantastic communication skills to More ❯

Principal Data Scientist - Remote Remote Working - UK Home-based with very occasional travel into the office £52,737 - £66,197 (National Framework) or £58,409- £71,869 (London Framework – if you are London office based or homebased and live within the boundary of the M25) Plus an … those with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating cross-functionally the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstratable experience of Python coding and clouding computing is required coupled with fantastic communication skills to More ❯

Principal Data Scientist - Remote Remote Working - UK Home-based with very occasional travel into the office £52,737 - £66,197 (National Framework) or £58,409- £71,869 (London Framework – if you are London office based or homebased and live within the boundary of the M25) Plus an … those with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating cross-functionally the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstratable experience of Python coding and clouding computing is required coupled with fantastic communication skills to More ❯

Principal Data Scientist - Remote Remote Working - UK Home-based with very occasional travel into the office £52,737 - £66,197 (National Framework) or £58,409- £71,869 (London Framework – if you are London office based or homebased and live within the boundary of the M25) Plus an … those with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating cross-functionally the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstratable experience of Python coding and clouding computing is required coupled with fantastic communication skills to More ❯

Job Description PRINCIPAL DATA SCIENTIST – HYBRID (London, 3 days a week) £100,000–£125,000+ based on experience THE COMPANY Join a high-impact data science team at a global marketing and customer experience company. As a Principal Data Scientist, you’ll lead … still get stuck into code. You’ll partner closely with engineers, strategists, and creatives in a genuinely cross-functional setting. THE ROLE As a Principal Data Scientist, you will: Lead the design, implementation, and deployment of advanced ML solutions across the full stack — from data engineering … steer high-impact projects from ideation to delivery, aligning technical strategy with business objectives Serve as a technical mentor to mid-level and junior data scientists Represent the data science function in client conversations and cross-functional planning Maintain a high bar for clean, testable code and scalable More ❯

Principal Data Scientist - Remote Remote Working - UK Home-based with occasional travel into the office £52,737 - £66,197 (National Framework) or £58,409- £71,869 (London Framework - if you are London office based or homebased and live within the boundary of the M25) Plus an additional … those with current UK working rights for this role, this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and up skill a team of Data Scientists. Collaborating cross-functionally, the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstrable experience of Python coding and cloud computing is required coupled with fantastic communication skills to More ❯

Managing Consultant - AI, Deep Learning and Robotics at Harnham PRINCIPAL DATA SCIENTIST – HYBRID (London, 3 days a week) £100,000–£125,000+ based on experience THE COMPANY Join a high-impact data science team at a global marketing and customer experience company. As a Principal Data Scientist, you’ll lead the development of end-to-end machine learning solutions that drive business transformation across household-name clients. This role is ideal for a hands-on technical leader with the ability to shape strategy, influence stakeholders, and still get stuck into code. You … ll partner closely with engineers, strategists, and creatives in a genuinely cross-functional setting. THE ROLE As a Principal Data Scientist, you will: Lead the design, implementation, and deployment of advanced ML solutions across the full stack — from data engineering and modelling to cloud deployment (AWS More ❯

Job Description Principal Data Scientist - Remote Remote Working - UK Home-based with occasional travel into the office £52,737 - £66,197 (Framework) or £58,409- £71,869 (London Framework – if you are London office based or homebased and live within the boundary of the M25) Plus an … those with current UK working rights for this role; this client cannot offer visa sponsorship. A new and exciting opportunity has arisen for a Principal Data Scientist with a strong background in Advanced AI (Artificial Intelligence) to lead, mentor and upskill a team of Data Scientists. … Collaborating cross-functionally, the role will focus on the delivery of AI and Data Science programmes across the organisation, driving Data Quality, Data Governance and Best Practice. Proven and demonstrable experience of Python coding and cloud computing is required, coupled with fantastic communication skills to problem solve 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 … 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 guidance while ensuring that the team's work aligns with business objectives. This is a hands-on role that involves active hands More ❯

based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Harnham Building Data Science and Machine Learning Teams in the UK | The Talent Driving The Data and AI Revolution Principal Data Scientist Up … to £125,000 London (Hybrid, 3 days onsite per week) Company: A leading marketing and analytics agency is seeking a Lead Data Scientist to develop and deploy end-to-end AI solutions. You'll work on machine learning models for retention, price optimisation, recommendation engines, NLP, and Computer … tools like SQL, Spark, and Databricks. Apply clustering, classification, regression, time series modelling, NLP, and deep learning. Develop recommendation engines and leverage third-party data enhancements. Implement MLOps/DevOps practices in cloud environments (AWS, Azure, GCP). Ensure explainability, bias detection, and algorithmic fairness in models. Collaborate with More ❯

Principal Data Scientist Up to £85,000 London (Hybrid, 3 days onsite per week) Company: Join one of the world’s biggest high street fashion brands, who has been leading the industry for the past 55 years. They are looking for a Principal Data Scientist to lead and scale their data science strategy, helping to unlock insights, optimise performance, and shape the future! They are on a mission to make a real impact - for our customers and our people. With a strong presence both online and offline, we're committed to driving innovation … embracing inclusivity, and creating meaningful experiences through the power of data. Responsibilities: Own the data science strategy and roadmap across the business Build, mentor, and scale a high-performing team of data scientists and analysts Create scalable solutions to solve real-world challenges like demand forecasting, personalisation, and More ❯

Principal Data Scientist (FTC - 24 months), London Client: Greater London Authority Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Reference: 545af006df1b Job Views: 10 Posted: 26.04.2025 Expiry Date: 10.06.2025 Job Description About the role Are you passionate about leveraging data science … to improve London’s safety? We are recruiting multiple roles to build a new Data Science team within the MOPAC Evidence & Insight function. The Mayor’s Office for Policing And Crime (MOPAC) supports the Mayor of London in fulfilling duties as Police and Crime Commissioner. MOPAC works closely with … provides analytics, social research, and public opinion surveys to support evidence-based policy making. Read more about the team here. We seek a talented Principal Data Scientist to lead data-driven insights addressing crime and policing challenges. You will lead a team of Data Scientists More ❯