1 to 25 of 35 Permanent Principal Data Scientist Jobs

think big and bring your ambition to work every day, which is why, at British Airways the sky is never the limit. The role: Principal Data Scientist - Finance & Transformation As a senior leader within the Data & AI function, reporting to the Head of Data Delivery … Principal Data Scientist is accountable for the end-to-end delivery and lifecycle management of high-value data science products or initiatives that support or automate decision-making across critical business areas. Operating within Agile cross-functional squads, they lead teams to scope, design, build, deploy ...

think big and bring your ambition to work every day, which is why, at British Airways the sky is never the limit. The role: Principal Data Scientist - Finance & TransformationAs a senior leader within the Data & AI function, reporting to the Head of Data Delivery … Principal Data Scientist is accountable for the end-to-end delivery and lifecycle management of high-value data science products or initiatives that support or automate decision-making across critical business areas. Operating within Agile cross-functional squads, they lead teams to scope, design, build, deploy ...

vibrant place to work. We might not be for everyone, but we could be perfect for you. About the job We are seeking a Principal Data Scientist who will play a crucial role in driving Autotrader's transformation into a data science-driven organisation. … Principal Data Scientist you will be responsible for the direction of Data Science at Autotrader. You will join a cross-functional collaborative squad focussed around a set of products or a services. With your experience and research skills you will spot the opportunities for Data ...

vibrant place to work. We might not be for everyone, but we could be perfect for you. About the job We are seeking a Principal Data Scientist who will play a crucial role in driving Autotrader's transformation into a data science-driven organisation. … Principal Data Scientist you will be responsible for the direction of Data Science at Autotrader. You will join a cross-functional collaborative squad focussed around a set of products or a services. With your experience and research skills you will spot the opportunities for Data ...

Description - Principal Data Scientist - Optimisation Engineering (17233) Job Description Principal Data Scientist - Optimisation Engineering ( 17233 ) Description Principal Data Scientist - Optimization Engineering We are easyJet – a FTSE-250 listed, £multi-billion low-cost airline that serves tens of millions of customers every … complex disruption-management and crew/roster optimisation challenges. You’ll translate operational problems into scalable software and optimisation solutions, partnering closely with product, data/operations research (OR), and customer stakeholders. The role blends people leadership with hands‐on technical direction across architecture, delivery, quality, and reliability. Requirements ...

Principal Data Scientist Salary £85,000 (Depending on skills and experience) Aviva are looking for a dynamic Principal Data Scientist to support our Retail team. An exciting opportunity has arisen to join our high-profile data science team. The insurance industry is evolving … investing in strengthening machine learning and analytics as a distinctive capability. The team is recognised as a centre of excellence in our Global Data Science Department – providing new data-driven insights that improve decision making across the Aviva Group. A bit about the job: You will ...

Principal Data Scientist page is loaded## Principal Data Scientistremote type: Hybridlocations: London, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: R0020855## What You'll Do* Lead high-impact data science initiatives end-to-end, including problem framing, methodology selection, experiment development, implementation … Drive scalable experimentation with A/B and Multi-armed bandit testing frameworks, power analysis, variance reduction, and online-offline alignment.* Work together with Data Engineering, MLOps, and Game Tech teams to guarantee dependable data foundations, feature accessibility, and model deployment pathways.* Build internal data products ...

Principal Data Scientist - Precision Biomarkers in Skin Health July 21, 2026 Share this post: Company description Mitra Bio is building the future of skincare through epigenetics, longevity science, and data. Backed by Khosla Ventures, Illumina, and Innovate UK, we help people better understand their skin over time … using simple, non-invasive skin sampling and advanced data analysis. Our goal is to make highly personalised skincare more effective, accessible, and science-driven. As we continue to grow, we're looking for a Principal Data Scientist - Precision Biomarkers in Skin Health to play a pivotal ...

everyone has access to healthcare today and for generations to come. Join Roche, where every voice matters. The Position This role is in Analytical Data Science, a core function within Product Development Data Sciences (PDD) that provides strategic leadership and scientific rigor across Development at Roche. PDD Analytical … Data Science teams are mobilized across the portfolio to generate data-driven insights, identify opportunities for scale, and implement impactful solutions. PDD Analytical Data Science is recognized as a leading hub for top industry talent, operating as an agile workforce to deliver regulatory commitments across the portfolio. ...

Role overview The Principal Data Scientist will lead significant data science work across AWTG and client programmes, shaping technical direction, standards and delivery approaches. The role requires deep expertise in data science, strong leadership and the ability to turn advanced analytics into organisational impact. … will work with multidisciplinary teams across data, AI, software engineering, product, QA and delivery to create practical outcomes for clients and end users. Key responsibilities Lead the scoping, design and delivery of complex data science products, models and analytical solutions. Set standards for modelling, validation, reproducibility, coding, documentation ...

hands-on data scientist with deep expertise in NLP and LLMs, strong Python coding skills, and a track record of deploying models to production? Do you thrive in building real-world AI solutions that are used by actual customers? If so, we'd love to talk … ROLE SUMMARY: As a Principal Data Scientist (individual contributor), you will play a hands-on role in designing, building, and deploying scalable AI solutions that go beyond prototypes and are actively used in production. You'll work closely with collaborative teams to co-develop innovative products ...

AWTG Ltd. in the United Kingdom is looking for a Principal Data Scientist to lead data science efforts across multiple programmes. This role demands expertise in data science, leadership, and the capability to turn analytics into impactful business results. The ideal candidate will excel … designing scalable data science solutions while collaborating with cross-functional teams. Strong skills in machine learning and stakeholder communication are essential. #J-18808-Ljbffr ...

About our Team Data Science Life Sciences is a diverse team focusing on GenAI, ML, NLP. We mainly develop best-in-class enrichment pipelines for Elsevier’s life science .com products such as Reaxys, Embase and Pharmapendium. About the Role As Principal Data Scientist (AI/… Generative AI), you will provide technical and thought leadership across multiple data science teams, shaping how we design and deliver advanced AI, NLP, and generative AI solutions for knowledge discovery and decision support. Your focus is on setting technical standards, quality, and governance across teams, representing data science ...

## Principal Data Scientist & Machine Learning ResearcherApplylocations: Gloucester, South Gloucestershire: Manchester, Lancashire: London, Londontime type: Full timeposted on: Posted 30+ Days Agojob requisition id: 01804570**Date Posted:**2026-02-23**Country:**United Kingdom**Location:**Gloucester, South Gloucestershire**Position Role Type:**Unspecified**Gloucester, London or Manchester****Hybrid role … safer and more connected world.**About the role:** This role is within the Strategic Research Group (SRG). The SRG are a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focussed problems. In this role you will work with high levels ...

## Principal Data Scientist & Machine Learning ResearcherApplylocations: Gloucester, South Gloucestershire: Manchester, Lancashire: London, Londontime type: Full timeposted on: Posted 30+ Days Agojob requisition id: 01804570**Date Posted:**2026-02-23**Country:**United Kingdom**Location:**Gloucester, South Gloucestershire**Position Role Type:**Unspecified**Gloucester, London or Manchester****Hybrid role … safer and more connected world.**About the role:** This role is within the Strategic Research Group (SRG). The SRG are a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focussed problems. In this role you will work with high levels ...

## Principal Data Scientist & Machine Learning ResearcherApplylocations: Gloucester, South Gloucestershire: Manchester, Lancashire: London, Londontime type: Full timeposted on: Posted 30+ Days Agojob requisition id: 01804570**Date Posted:**2026-02-23**Country:**United Kingdom**Location:**Gloucester, South Gloucestershire**Position Role Type:**Unspecified**Gloucester, London or Manchester****Hybrid role … safer and more connected world.**About the role:** This role is within the Strategic Research Group (SRG). The SRG are a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focussed problems. In this role you will work with high levels ...

Wyatt Partners are engaged to find a Principal Data Scientist for one of the most recognisable brands on the planet. This an opportunity to have a tangible impact on the company, and also make your mark in the way the company approaches data science from … paradoxes to some extent in that for such a recognised global brand, there is a complete blank canvas when it comes to utilising data science for business solutions – therefore we are looking for an individual that would thrive in that ‘greenfield’ environment, charting their own course, with great potential ...

British Airways is seeking a Principal Data Scientist for the Finance & Transformation function to drive end-to-end data science products. You will lead Agile squads, build production-ready models, and mentor teams while aligning with business goals and governance. You will steer data-driven ...

leading gaming company in London is looking for a Principal Data Scientist to lead high-impact data science initiatives. The role involves building machine learning solutions that drive player engagement and retention. Candidates should have a PhD or MSc and over 5 years of experience delivering … data products in the gaming industry. The position offers a hybrid work model and opportunities for professional growth in a supportive environment. #J-18808-Ljbffr ...

that will improve how we diagnose and treat brain disorders, ultimately improving and saving the lives of patients across the world. The Role The Data Science team at CoMind develops the algorithms and machine learning systems that transform raw optical interference signals from CoMind One into continuous, clinically meaningful … photonics, physiology, and applied ML, the team's work directly determines what CoMind One can measure, how accurately, and under what clinical conditions. As Principal Data Scientist, you will be a technical authority for CoMind's data science function, setting methodological direction for signal condition ...

opportunity for meaningful innovation and are proud to set the gold‐standard for marrying technical excellence with safe deployment. About the role As a Principal Data Scientist at Faculty, you will serve as a technical leader and domain expert who owns and drives the delivery … most technically complex, high‐impact projects and programmes for our most important clients. You also will set the technical direction for the data science team, mentor, and develop them so our data scientists remain best in class. This position focuses on deep individual contribution and technical excellence, influencing ...

Tripadvisor Group is seeking a Principal Data Scientist to lead experimentation standards across the organisation and raise measurement quality. You will shape tooling, protocols and platforms so teams can experiment with confidence and speed. You will collaborate with Product, Engineering and Data Platform teams, owning complex … measurement challenges and mentoring the wider data science community to raise overall decision quality. #J-18808-Ljbffr ...

travel is data. We slice it, we dice it, and we use it to empower our decision making. What You will do: As a Principal Data Scientist you will be a leading individual contributor responsible for how experimentation works across the organisation. You will lead through technical … well, where traffic is thin or the outcomes that matter take months to appear. You will: Set the technical standard for experimentation across Product Data Science, from conventional A/B testing to quasi-experimental and Bayesian methods, and make it practical through protocols, frameworks and tooling. Partner with ...

Tripadvisor seeks a Principal Data Scientist in London to lead experimentation strategy and measurement standards across products. You will set technical direction, mentor teams, and partner with Product, Engineering and Data Platform to raise speed and rigor in experiments. You will own complex measurement questions, develop ...

leading consulting firm is seeking a Principal Data Scientist to innovate within a prestigious brand. This role offers a unique chance to shape the approach to data science in a greenfield environment, impacting the organization significantly. Ideal candidates have fluency in Python and proven experience ...